# window.py
#
# Copyright 2024 Jeffser
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.
#
# SPDX-License-Identifier: GPL-3.0-or-later

import gi
gi.require_version('GtkSource', '5')
gi.require_version('GdkPixbuf', '2.0')
from gi.repository import Adw, Gtk, Gdk, GLib, GtkSource, Gio, GdkPixbuf
import json, requests, threading, os, re, base64, sys, gettext, locale, webbrowser, subprocess, uuid, shutil, tarfile, tempfile #, docx
from pytube import YouTube
from time import sleep
from io import BytesIO
from PIL import Image
from pypdf import PdfReader
from datetime import datetime
from .available_models import available_models
from . import dialogs, local_instance, connection_handler, update_history

@Gtk.Template(resource_path='/com/jeffser/Alpaca/window.ui')
class AlpacaWindow(Adw.ApplicationWindow):
    config_dir = os.getenv("XDG_CONFIG_HOME")
    data_dir = os.getenv("XDG_DATA_HOME")
    app_dir = os.getenv("FLATPAK_DEST")
    cache_dir = os.getenv("XDG_CACHE_HOME")

    __gtype_name__ = 'AlpacaWindow'

    localedir = os.path.join(os.path.abspath(os.path.dirname(__file__)), 'locale')

    locale.setlocale(locale.LC_ALL, '')
    gettext.bindtextdomain('com.jeffser.Alpaca', localedir)
    gettext.textdomain('com.jeffser.Alpaca')
    _ = gettext.gettext

    #Variables
    run_on_background = False
    remote_url = ""
    run_remote = False
    model_tweaks = {"temperature": 0.7, "seed": 0, "keep_alive": 5}
    local_models = []
    pulling_models = {}
    chats = {"chats": {_("New Chat"): {"messages": {}}}, "selected_chat": "New Chat"}
    attachments = {}

    #Override elements
    override_HSA_OVERRIDE_GFX_VERSION = Gtk.Template.Child()
    override_CUDA_VISIBLE_DEVICES = Gtk.Template.Child()
    override_HIP_VISIBLE_DEVICES = Gtk.Template.Child()

    #Elements
    create_model_base = Gtk.Template.Child()
    create_model_name = Gtk.Template.Child()
    create_model_system = Gtk.Template.Child()
    create_model_template = Gtk.Template.Child()
    create_model_dialog = Gtk.Template.Child()
    temperature_spin = Gtk.Template.Child()
    seed_spin = Gtk.Template.Child()
    keep_alive_spin = Gtk.Template.Child()
    preferences_dialog = Gtk.Template.Child()
    shortcut_window : Gtk.ShortcutsWindow  = Gtk.Template.Child()
    bot_message : Gtk.TextBuffer = None
    bot_message_box : Gtk.Box = None
    bot_message_view : Gtk.TextView = None
    file_preview_dialog = Gtk.Template.Child()
    file_preview_text_view = Gtk.Template.Child()
    welcome_dialog = Gtk.Template.Child()
    welcome_carousel = Gtk.Template.Child()
    welcome_previous_button = Gtk.Template.Child()
    welcome_next_button = Gtk.Template.Child()
    main_overlay = Gtk.Template.Child()
    manage_models_overlay = Gtk.Template.Child()
    chat_container = Gtk.Template.Child()
    chat_window = Gtk.Template.Child()
    message_text_view = Gtk.Template.Child()
    send_button = Gtk.Template.Child()
    stop_button = Gtk.Template.Child()
    attachment_container = Gtk.Template.Child()
    attachment_box = Gtk.Template.Child()
    file_filter_tar = Gtk.Template.Child()
    file_filter_gguf = Gtk.Template.Child()
    file_filter_attachments = Gtk.Template.Child()
    attachment_button = Gtk.Template.Child()
    model_drop_down = Gtk.Template.Child()
    model_string_list = Gtk.Template.Child()
    right_click_menu = Gtk.Template.Child()

    manage_models_dialog = Gtk.Template.Child()
    pulling_model_list_box = Gtk.Template.Child()
    local_model_list_box = Gtk.Template.Child()
    available_model_list_box = Gtk.Template.Child()

    chat_list_box = Gtk.Template.Child()
    add_chat_button = Gtk.Template.Child()

    loading_spinner = None

    background_switch = Gtk.Template.Child()
    remote_connection_switch = Gtk.Template.Child()
    remote_connection_entry = Gtk.Template.Child()

    toast_messages = {
        "error": [
            _("An error occurred"),
            _("Failed to connect to server"),
            _("Could not list local models"),
            _("Could not delete model"),
            _("Could not pull model"),
            _("Cannot open image"),
            _("Cannot delete chat because it's the only one left"),
            _("There was an error with the local Ollama instance, so it has been reset"),
            _("Image recognition is only available on specific models"),
            _("This video does not have any transcriptions"),
            _("This video is not available")
        ],
        "info": [
            _("Please select a model before chatting"),
            _("Chat cannot be cleared while receiving a message"),
            _("That tag is already being pulled"),
            _("That tag has been pulled already"),
            _("Code copied to the clipboard"),
            _("Message copied to the clipboard")
        ],
        "good": [
            _("Model deleted successfully"),
            _("Model pulled successfully"),
            _("Chat exported successfully"),
            _("Chat imported successfully")
        ]
    }

    style_manager = Adw.StyleManager()

    @Gtk.Template.Callback()
    def verify_if_image_can_be_used(self, pspec=None, user_data=None):
        if self.model_drop_down.get_selected_item() == None: return True
        selected = self.model_drop_down.get_selected_item().get_string().split(" (")[0]
        if selected in ['llava', 'bakllava', 'moondream', 'llava-llama3']:
            for name, content in self.attachments.items():
                if content['type'] == 'image':
                    content['button'].set_css_classes(["flat"])
            return True
        else:
            for name, content in self.attachments.items():
                if content['type'] == 'image':
                    content['button'].set_css_classes(["flat", "error"])
            return False

    @Gtk.Template.Callback()
    def stop_message(self, button=None):
        if self.loading_spinner: self.chat_container.remove(self.loading_spinner)
        self.toggle_ui_sensitive(True)
        self.switch_send_stop_button()
        self.bot_message = None
        self.bot_message_box = None
        self.bot_message_view = None

    @Gtk.Template.Callback()
    def send_message(self, button=None):
        if self.bot_message: return
        if not self.message_text_view.get_buffer().get_text(self.message_text_view.get_buffer().get_start_iter(), self.message_text_view.get_buffer().get_end_iter(), False): return
        current_model = self.model_drop_down.get_selected_item().get_string()
        current_model = current_model.replace(' (', ':')[:-1]
        if current_model is None:
            self.show_toast("info", 0, self.main_overlay)
            return
        id = self.generate_uuid()

        attached_images = []
        attached_files = {}
        can_use_images = self.verify_if_image_can_be_used()
        for name, content in self.attachments.items():
            if content["type"] == 'image' and can_use_images: attached_images.append(name)
            else:
                if content["type"] == 'youtube':
                    attached_files[content['path']] = content['type']
                else:
                    attached_files[name] = content['type']
            if not os.path.exists(os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id)):
                os.makedirs(os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id))
            if content["type"] != 'youtube':
                shutil.copy(content['path'], os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id, name))
            content["button"].get_parent().remove(content["button"])
        self.attachments = {}
        self.attachment_box.set_visible(False)

            #{"path": file_path, "type": file_type, "content": content}

        formated_datetime = datetime.now().strftime("%Y/%m/%d %H:%M")

        self.chats["chats"][self.chats["selected_chat"]]["messages"][id] = {
            "role": "user",
            "model": "User",
            "date": formated_datetime,
            "content": self.message_text_view.get_buffer().get_text(self.message_text_view.get_buffer().get_start_iter(), self.message_text_view.get_buffer().get_end_iter(), False)
        }
        if len(attached_images) > 0:
            self.chats["chats"][self.chats["selected_chat"]]["messages"][id]['images'] = attached_images
        if len(attached_files.keys()) > 0:
            self.chats["chats"][self.chats["selected_chat"]]["messages"][id]['files'] = attached_files
        data = {
            "model": current_model,
            "messages": self.convert_history_to_ollama(),
            "options": {"temperature": self.model_tweaks["temperature"], "seed": self.model_tweaks["seed"]},
            "keep_alive": f"{self.model_tweaks['keep_alive']}m"
        }
        self.switch_send_stop_button()
        self.toggle_ui_sensitive(False)

        #self.attachments[name] = {"path": file_path, "type": file_type, "content": content}
        self.show_message(self.message_text_view.get_buffer().get_text(self.message_text_view.get_buffer().get_start_iter(), self.message_text_view.get_buffer().get_end_iter(), False), False, f"\n\n<small>{formated_datetime}</small>", attached_images, attached_files, id=id)
        self.message_text_view.get_buffer().set_text("", 0)
        self.loading_spinner = Gtk.Spinner(spinning=True, margin_top=12, margin_bottom=12, hexpand=True)
        self.chat_container.append(self.loading_spinner)
        bot_id=self.generate_uuid()
        self.show_message("", True, id=bot_id)

        thread = threading.Thread(target=self.run_message, args=(data['messages'], data['model'], bot_id))
        thread.start()

    @Gtk.Template.Callback()
    def manage_models_button_activate(self, button=None):
        self.update_list_local_models()
        self.manage_models_dialog.present(self)

    @Gtk.Template.Callback()
    def welcome_carousel_page_changed(self, carousel, index):
        if index == 0: self.welcome_previous_button.set_sensitive(False)
        else: self.welcome_previous_button.set_sensitive(True)
        if index == carousel.get_n_pages()-1: self.welcome_next_button.set_label(_("Close"))
        else: self.welcome_next_button.set_label(_("Next"))

    @Gtk.Template.Callback()
    def welcome_previous_button_activate(self, button):
        self.welcome_carousel.scroll_to(self.welcome_carousel.get_nth_page(self.welcome_carousel.get_position()-1), True)

    @Gtk.Template.Callback()
    def welcome_next_button_activate(self, button):
        if button.get_label() == "Next": self.welcome_carousel.scroll_to(self.welcome_carousel.get_nth_page(self.welcome_carousel.get_position()+1), True)
        else:
            self.welcome_dialog.force_close()
            if not self.verify_connection():
                self.connection_error()

    @Gtk.Template.Callback()
    def chat_changed(self, listbox, row):
        if row and row.get_name() != self.chats["selected_chat"]:
            self.chats["selected_chat"] = row.get_name()
            self.load_history_into_chat()
            if len(self.chats["chats"][self.chats["selected_chat"]]["messages"].keys()) > 0:
                for i in range(self.model_string_list.get_n_items()):
                    if self.model_string_list.get_string(i) == self.chats["chats"][self.chats["selected_chat"]]["messages"][list(self.chats["chats"][self.chats["selected_chat"]]["messages"].keys())[-1]]["model"]:
                        self.model_drop_down.set_selected(i)
                        break

    @Gtk.Template.Callback()
    def change_remote_url(self, entry):
        self.remote_url = entry.get_text()
        if self.run_remote:
            connection_handler.url = self.remote_url
            if self.verify_connection() == False:
                entry.set_css_classes(["error"])
                self.show_toast("error", 1, self.preferences_dialog)

    @Gtk.Template.Callback()
    def pull_featured_model(self, button):
        action_row = button.get_parent().get_parent().get_parent()
        button.get_parent().remove(button)
        model = f"{action_row.get_title().lower()}:latest"
        action_row.set_subtitle(_("Pulling in the background..."))
        spinner = Gtk.Spinner()
        spinner.set_spinning(True)
        action_row.add_suffix(spinner)
        action_row.set_sensitive(False)
        self.pull_model(model)

    @Gtk.Template.Callback()
    def closing_app(self, user_data):
        if self.get_hide_on_close():
            print("Hiding app...")
        else:
            print("Closing app...")
            local_instance.stop()

    @Gtk.Template.Callback()
    def model_spin_changed(self, spin):
        value = spin.get_value()
        if spin.get_name() != "temperature": value = round(value)
        else: value = round(value, 1)
        if self.model_tweaks[spin.get_name()] is not None and self.model_tweaks[spin.get_name()] != value:
            self.model_tweaks[spin.get_name()] = value
            self.save_server_config()

    @Gtk.Template.Callback()
    def create_model_start(self, button):
        base = self.create_model_base.get_subtitle()
        name = self.create_model_name.get_text()
        system = self.create_model_system.get_text()
        template = self.create_model_template.get_text()
        if "/" in base:
            modelfile = f"FROM {base}\nSYSTEM {system}\nTEMPLATE {template}"
        else:
            modelfile = f"FROM {base}\nSYSTEM {system}"
        self.pulling_model_list_box.set_visible(True)
        model_row = Adw.ActionRow(
            title = name
        )
        thread = threading.Thread(target=self.pull_model_process, kwargs={"model": name, "modelfile": modelfile})
        overlay = Gtk.Overlay()
        progress_bar = Gtk.ProgressBar(
            valign = 2,
            show_text = False,
            margin_start = 10,
            margin_end = 10,
            css_classes = ["osd", "horizontal", "bottom"]
        )
        button = Gtk.Button(
            icon_name = "media-playback-stop-symbolic",
            vexpand = False,
            valign = 3,
            css_classes = ["error"],
            tooltip_text = _("Stop creating '{}'").format(name)
        )
        button.connect("clicked", lambda button, model_name=name : dialogs.stop_pull_model(self, model_name))
        model_row.add_suffix(button)
        self.pulling_models[name] = {"row": model_row, "progress_bar": progress_bar, "overlay": overlay}
        overlay.set_child(model_row)
        overlay.add_overlay(progress_bar)
        self.pulling_model_list_box.append(overlay)
        self.create_model_dialog.close()
        self.manage_models_dialog.present(self)
        thread.start()

    @Gtk.Template.Callback()
    def override_changed(self, entry):
        name = entry.get_name()
        value = entry.get_text()
        if (not value and name not in local_instance.overrides) or (value and value in local_instance.overrides and local_instance.overrides[name] == value): return
        if not value: del local_instance.overrides[name]
        else: local_instance.overrides[name] = value
        self.save_server_config()
        if not self.run_remote: local_instance.reset()

    @Gtk.Template.Callback()
    def link_button_handler(self, button):
        webbrowser.open(button.get_name())

    def check_alphanumeric(self, editable, text, length, position):
        new_text = ''.join([char for char in text if char.isalnum() or char in ['-', '_']])
        if new_text != text: editable.stop_emission_by_name("insert-text")

    def create_model(self, model:str, file:bool):
        name = ""
        system = ""
        template = ""
        if not file:
            response = connection_handler.simple_post(f"{connection_handler.url}/api/show", json.dumps({"name": model}))
            if 'text' in response:
                data = json.loads(response['text'])

                for line in data['modelfile'].split('\n'):
                    if line.startswith('SYSTEM'):
                        system = line[len('SYSTEM'):].strip()
                    elif line.startswith('TEMPLATE'):
                        template = line[len('TEMPLATE'):].strip()
                self.create_model_template.set_sensitive(False)
                name = model.split(':')[0]
        else:
            self.create_model_template.set_sensitive(True)
            template = '"""{{ if .System }}<|start_header_id|>system<|end_header_id|>\n\n{{ .System }}<|eot_id|>{{ end }}{{ if .Prompt }}<|start_header_id|>user<|end_header_id|>\n\n{{ .Prompt }}<|eot_id|>{{ end }}<|start_header_id|>assistant<|end_header_id|>\n{{ .Response }}<|eot_id|>"""'
            name = model.split("/")[-1].split(".")[0]
        self.create_model_base.set_subtitle(model)
        self.create_model_name.set_text(name)
        self.create_model_system.set_text(system)
        self.create_model_template.set_text(template)
        self.manage_models_dialog.close()
        self.create_model_dialog.present(self)


    def show_toast(self, message_type:str, message_id:int, overlay):
        if message_type not in self.toast_messages or message_id > len(self.toast_messages[message_type] or message_id < 0):
            message_type = "error"
            message_id = 0
        toast = Adw.Toast(
            title=self.toast_messages[message_type][message_id],
            timeout=2
        )
        overlay.add_toast(toast)

    def show_notification(self, title:str, body:str, only_when_unfocus:bool, icon:Gio.ThemedIcon=None):
        if not only_when_unfocus or (only_when_unfocus and self.is_active()==False):
            notification = Gio.Notification.new(title)
            notification.set_body(body)
            if icon: notification.set_icon(icon)
            self.get_application().send_notification(None, notification)

    def delete_message(self, message_element):
        id = message_element.get_name()
        del self.chats["chats"][self.chats["selected_chat"]]["messages"][id]
        self.chat_container.remove(message_element)
        if os.path.exists(os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id)):
            shutil.rmtree(os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id))
        self.save_history()

    def copy_message(self, message_element):
        id = message_element.get_name()
        clipboard = Gdk.Display().get_default().get_clipboard()
        clipboard.set(self.chats["chats"][self.chats["selected_chat"]]["messages"][id]["content"])
        self.show_toast("info", 5, self.main_overlay)

    def preview_file(self, file_path, file_type):
        content = self.get_content_of_file(file_path, file_type)
        if content:
            buffer = self.file_preview_text_view.get_buffer()
            buffer.delete(buffer.get_start_iter(), buffer.get_end_iter())
            buffer.insert(buffer.get_start_iter(), content, len(content))
            if file_type == 'youtube':
                self.file_preview_dialog.set_title(YouTube(file_path).title)
            else:
                self.file_preview_dialog.set_title(os.path.basename(file_path))
            self.file_preview_dialog.present(self)

    def convert_history_to_ollama(self):
        messages = []
        for id, message in self.chats["chats"][self.chats["selected_chat"]]["messages"].items():
            new_message = message.copy()
            if 'files' in message and len(message['files']) > 0:
                del new_message['files']
                new_message['content'] = ''
                for name, file_type in message['files'].items():
                    if file_type == 'youtube':
                        file_path = name
                    else:
                        file_path = os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id, name)
                    file_data = self.get_content_of_file(file_path, file_type)
                    if file_data: new_message['content'] += f"```[{name}]\n{file_data}\n```"
                new_message['content'] += message['content']
            if 'images' in message and len(message['images']) > 0:
                new_message['images'] = []
                for name in message['images']:
                    file_path = os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id, name)
                    image_data = self.get_content_of_file(file_path, 'image')
                    if image_data: new_message['images'].append(image_data)
            messages.append(new_message)
        return messages


    def show_message(self, msg:str, bot:bool, footer:str=None, images:list=None, files:dict=None, id:str=None):
        message_text = Gtk.TextView(
            editable=False,
            focusable=True,
            wrap_mode= Gtk.WrapMode.WORD,
            margin_top=12,
            margin_bottom=12,
            margin_start=12,
            margin_end=12,
            hexpand=True,
            css_classes=["flat"],
        )
        message_buffer = message_text.get_buffer()
        message_buffer.insert(message_buffer.get_end_iter(), msg)
        if footer is not None: message_buffer.insert_markup(message_buffer.get_end_iter(), footer, len(footer))

        delete_button = Gtk.Button(
            icon_name = "user-trash-symbolic",
            css_classes = ["flat", "circular", "delete-message-button"],
            tooltip_text = _("Remove message")
        )
        copy_button = Gtk.Button(
            icon_name = "edit-copy-symbolic",
            css_classes = ["flat", "circular", "delete-message-button"],
            tooltip_text = _("Copy message")
        )

        button_container = Gtk.Box(
            orientation=0,
            spacing=6,
            margin_end=6,
            margin_bottom=6,
            valign="end",
            halign="end"
        )

        message_box = Gtk.Box(
            orientation=1,
            halign='fill',
            css_classes=[None if bot else "card"],
            margin_start=0 if bot else 50,
        )
        message_text.set_valign(Gtk.Align.CENTER)

        if images and len(images) > 0:
            image_container = Gtk.Box(
                orientation=0,
                spacing=12
            )
            image_scroller = Gtk.ScrolledWindow(
                margin_top=10,
                margin_start=10,
                margin_end=10,
                hexpand=True,
                height_request = 240,
                child=image_container
            )
            for image in images:
                raw_data = self.get_content_of_file(os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id, image), "image")
                if raw_data:
                    image_data = base64.b64decode(raw_data)
                    loader = GdkPixbuf.PixbufLoader.new()
                    loader.write(image_data)
                    loader.close()
                    pixbuf = loader.get_pixbuf()
                    texture = Gdk.Texture.new_for_pixbuf(pixbuf)
                    image = Gtk.Image.new_from_paintable(texture)
                    image.set_size_request(240, 240)
                    image.set_hexpand(False)
                    image.set_css_classes(["flat"])
                    image_container.append(image)
            message_box.append(image_scroller)

        if files and len(files) > 0:
            file_container = Gtk.Box(
                orientation=0,
                spacing=12
            )
            file_scroller = Gtk.ScrolledWindow(
                margin_top=10,
                margin_start=10,
                margin_end=10,
                hexpand=True,
                child=file_container
            )
            for name, file_type in files.items():
                if file_type == 'youtube':
                    yt = YouTube(name)
                    shown_name=yt.title[:20] + (yt.title[20:] and '..')
                else:
                    shown_name='.'.join(name.split(".")[:-1])[:20] + (name[20:] and '..') + f".{name.split('.')[-1]}"

                button_content = Adw.ButtonContent(
                    label=shown_name,
                    icon_name="play-symbolic" if file_type=='youtube' else "document-text-symbolic"
                )
                button = Gtk.Button(
                    vexpand=False,
                    valign=3,
                    name=name,
                    css_classes=["flat"],
                    tooltip_text=name if file_type != 'youtube' else yt.title,
                    child=button_content
                )
                if file_type == 'youtube':
                    file_path = name
                else:
                    file_path = os.path.join(self.data_dir, "chats", self.chats['selected_chat'], id, name)
                button.connect("clicked", lambda button, file_path=file_path, file_type=file_type: self.preview_file(file_path, file_type))
                file_container.append(button)
            message_box.append(file_scroller)

        message_box.append(message_text)
        overlay = Gtk.Overlay(css_classes=["message"], name=id)
        overlay.set_child(message_box)

        delete_button.connect("clicked", lambda button, element=overlay: self.delete_message(element))
        copy_button.connect("clicked", lambda button, element=overlay: self.copy_message(element))
        button_container.append(delete_button)
        button_container.append(copy_button)
        overlay.add_overlay(button_container)
        self.chat_container.append(overlay)

        if bot:
            self.bot_message = message_buffer
            self.bot_message_view = message_text
            self.bot_message_box = message_box

    def update_list_local_models(self):
        self.local_models = []
        response = connection_handler.simple_get(f"{connection_handler.url}/api/tags")
        for i in range(self.model_string_list.get_n_items() -1, -1, -1):
            self.model_string_list.remove(i)
        if response['status'] == 'ok':
            self.local_model_list_box.remove_all()
            if len(json.loads(response['text'])['models']) == 0:
                self.local_model_list_box.set_visible(False)
            else:
                self.local_model_list_box.set_visible(True)
            for model in json.loads(response['text'])['models']:
                model_row = Adw.ActionRow(
                    title = model["name"].split(":")[0],
                    subtitle = model["name"].split(":")[1]
                )
                button = Gtk.Button(
                    icon_name = "user-trash-symbolic",
                    vexpand = False,
                    valign = 3,
                    css_classes = ["error"],
                    tooltip_text = _("Remove '{}'").format(model["name"])
                )
                button.connect("clicked", lambda button=button, model_name=model["name"]: dialogs.delete_model(self, model_name))
                model_row.add_suffix(button)
                self.local_model_list_box.append(model_row)

                self.model_string_list.append(f"{model['name'].split(':')[0]} ({model['name'].split(':')[1]})")
                self.local_models.append(model["name"])
            self.model_drop_down.set_selected(0)
            self.verify_if_image_can_be_used()
            return
        else:
            self.connection_error()

    def save_server_config(self):
        with open(os.path.join(self.config_dir, "server.json"), "w+") as f:
            json.dump({'remote_url': self.remote_url, 'run_remote': self.run_remote, 'local_port': local_instance.port, 'run_on_background': self.run_on_background, 'model_tweaks': self.model_tweaks, 'ollama_overrides': local_instance.overrides}, f, indent=6)

    def verify_connection(self):
        response = connection_handler.simple_get(connection_handler.url)
        if response['status'] == 'ok':
            if "Ollama is running" in response['text']:
                self.save_server_config()
                self.update_list_local_models()
                return True
        return False

    def add_code_blocks(self):
        text = self.bot_message.get_text(self.bot_message.get_start_iter(), self.bot_message.get_end_iter(), True)
        GLib.idle_add(self.bot_message_view.get_parent().remove, self.bot_message_view)
        # Define a regular expression pattern to match code blocks
        code_block_pattern = re.compile(r'```(\w+)\n(.*?)\n```', re.DOTALL)
        parts = []
        pos = 0
        for match in code_block_pattern.finditer(text):
            start, end = match.span()
            if pos < start:
                normal_text = text[pos:start]
                parts.append({"type": "normal", "text": normal_text.strip()})
            language = match.group(1)
            code_text = match.group(2)
            parts.append({"type": "code", "text": code_text, "language": language})
            pos = end
        # Extract any remaining normal text after the last code block
        if pos < len(text):
            normal_text = text[pos:]
            if normal_text.strip():
                parts.append({"type": "normal", "text": normal_text.strip()})
        bold_pattern = re.compile(r'\*\*(.*?)\*\*') #"**text**"
        code_pattern = re.compile(r'`(.*?)`') #"`text`"
        h1_pattern = re.compile(r'^#\s(.*)$') #"# text"
        h2_pattern = re.compile(r'^##\s(.*)$') #"## text"
        markup_pattern = re.compile(r'<(b|u|tt|span.*)>(.*?)<\/(b|u|tt|span)>') #heh butt span, I'm so funny
        for part in parts:
            if part['type'] == 'normal':
                message_text = Gtk.TextView(
                    editable=False,
                    focusable=True,
                    wrap_mode= Gtk.WrapMode.WORD,
                    margin_top=12,
                    margin_bottom=12,
                    hexpand=True,
                    css_classes=["flat"]
                )
                message_buffer = message_text.get_buffer()

                footer = None
                if part['text'].split("\n")[-1] == parts[-1]['text'].split("\n")[-1]:
                    footer = "\n<small>" + part['text'].split('\n')[-1] + "</small>"
                    part['text'] = '\n'.join(part['text'].split("\n")[:-1])

                part['text'] = part['text'].replace("\n* ", "\n• ")
                #part['text'] = GLib.markup_escape_text(part['text'])
                part['text'] = code_pattern.sub(r'<tt>\1</tt>', part['text'])
                part['text'] = bold_pattern.sub(r'<b>\1</b>', part['text'])
                part['text'] = h1_pattern.sub(r'<span size="x-large">\1</span>', part['text'])
                part['text'] = h2_pattern.sub(r'<span size="large">\1</span>', part['text'])

                position = 0
                for match in markup_pattern.finditer(part['text']):
                    start, end = match.span()
                    if position < start:
                        message_buffer.insert(message_buffer.get_end_iter(), part['text'][position:start])
                    message_buffer.insert_markup(message_buffer.get_end_iter(), match.group(0), len(match.group(0)))
                    position = end

                if position < len(part['text']):
                    message_buffer.insert(message_buffer.get_end_iter(), part['text'][position:])

                if footer: message_buffer.insert_markup(message_buffer.get_end_iter(), footer, len(footer))

                self.bot_message_box.append(message_text)
            else:
                language = GtkSource.LanguageManager.get_default().get_language(part['language'])
                if language:
                    buffer = GtkSource.Buffer.new_with_language(language)
                else:
                    buffer = GtkSource.Buffer()
                buffer.set_text(part['text'])
                if self.style_manager.get_dark():
                    source_style = GtkSource.StyleSchemeManager.get_default().get_scheme('Adwaita-dark')
                else:
                    source_style = GtkSource.StyleSchemeManager.get_default().get_scheme('Adwaita')
                buffer.set_style_scheme(source_style)
                source_view = GtkSource.View(
                    auto_indent=True, indent_width=4, buffer=buffer, show_line_numbers=True,
                    top_margin=6, bottom_margin=6, left_margin=12, right_margin=12
                )
                source_view.set_editable(False)
                code_block_box = Gtk.Box(css_classes=["card"], orientation=1, overflow=1)
                title_box = Gtk.Box(margin_start=12, margin_top=3, margin_bottom=3, margin_end=3)
                title_box.append(Gtk.Label(label=language.get_name() if language else part['language'], hexpand=True, xalign=0))
                copy_button = Gtk.Button(icon_name="edit-copy-symbolic", css_classes=["flat", "circular"], tooltip_text=_("Copy message"))
                copy_button.connect("clicked", self.on_copy_code_clicked, buffer)
                title_box.append(copy_button)
                code_block_box.append(title_box)
                code_block_box.append(Gtk.Separator())
                code_block_box.append(source_view)
                self.bot_message_box.append(code_block_box)
                self.style_manager.connect("notify::dark", self.on_theme_changed, buffer)
        vadjustment = self.chat_window.get_vadjustment()
        vadjustment.set_value(vadjustment.get_upper())
        self.bot_message = None
        self.bot_message_box = None

    def on_theme_changed(self, manager, dark, buffer):
        if manager.get_dark():
            source_style = GtkSource.StyleSchemeManager.get_default().get_scheme('Adwaita-dark')
        else:
            source_style = GtkSource.StyleSchemeManager.get_default().get_scheme('Adwaita')
        buffer.set_style_scheme(source_style)

    def on_copy_code_clicked(self, btn, text_buffer):
        clipboard = Gdk.Display().get_default().get_clipboard()
        start = text_buffer.get_start_iter()
        end = text_buffer.get_end_iter()
        text = text_buffer.get_text(start, end, False)
        clipboard.set(text)
        self.show_toast("info", 4, self.main_overlay)

    def update_bot_message(self, data, id):
        if self.bot_message is None:
            self.save_history()
            sys.exit()
        vadjustment = self.chat_window.get_vadjustment()
        if (id in self.chats["chats"][self.chats["selected_chat"]]["messages"] and self.chats["chats"][self.chats["selected_chat"]]["messages"][id]['role'] == "user") or vadjustment.get_value() + 50 >= vadjustment.get_upper() - vadjustment.get_page_size():
            GLib.idle_add(vadjustment.set_value, vadjustment.get_upper())
        if data['done']:
            formated_datetime = datetime.now().strftime("%Y/%m/%d %H:%M")
            text = f"\n<small>{data['model']}\t{formated_datetime}</small>"
            GLib.idle_add(self.bot_message.insert_markup, self.bot_message.get_end_iter(), text, len(text))
            self.save_history()
        else:
            if id not in self.chats["chats"][self.chats["selected_chat"]]["messages"]:
                GLib.idle_add(self.chat_container.remove, self.loading_spinner)
                self.loading_spinner = None
                self.chats["chats"][self.chats["selected_chat"]]["messages"][id] = {
                    "role": "assistant",
                    "model": data['model'],
                    "date": datetime.now().strftime("%Y/%m/%d %H:%M"),
                    "content": ''
                }
            GLib.idle_add(self.bot_message.insert, self.bot_message.get_end_iter(), data['message']['content'])
            self.chats["chats"][self.chats["selected_chat"]]["messages"][id]['content'] += data['message']['content']

    def toggle_ui_sensitive(self, status):
        for element in [self.chat_list_box, self.add_chat_button]:
            element.set_sensitive(status)

    def switch_send_stop_button(self):
        self.stop_button.set_visible(self.send_button.get_visible())
        self.send_button.set_visible(not self.send_button.get_visible())

    def run_message(self, messages, model, id):
        response = connection_handler.stream_post(f"{connection_handler.url}/api/chat", data=json.dumps({"model": model, "messages": messages}), callback=lambda data, id=id: self.update_bot_message(data, id))
        GLib.idle_add(self.add_code_blocks)
        GLib.idle_add(self.switch_send_stop_button)
        GLib.idle_add(self.toggle_ui_sensitive, True)
        if self.loading_spinner:
            GLib.idle_add(self.chat_container.remove, self.loading_spinner)
            self.loading_spinner = None
        if response['status'] == 'error':
            GLib.idle_add(self.connection_error)

    def pull_model_update(self, data, model_name):
        if model_name in list(self.pulling_models.keys()):
            GLib.idle_add(self.pulling_models[model_name]['row'].set_subtitle, data['status'])
            if 'completed' in data and 'total' in data: GLib.idle_add(self.pulling_models[model_name]['progress_bar'].set_fraction, (data['completed'] / data['total']))
            else: GLib.idle_add(self.pulling_models[model_name]['progress_bar'].pulse)
        else:
            if len(list(self.pulling_models.keys())) == 0:
                GLib.idle_add(self.pulling_model_list_box.set_visible, False)

    def pull_model_process(self, model, modelfile):
        response = {}
        if modelfile:
            data = {"name": model, "modelfile": modelfile}
            response = connection_handler.stream_post(f"{connection_handler.url}/api/create", data=json.dumps(data), callback=lambda data, model_name=model: self.pull_model_update(data, model_name))
        else:
            data = {"name": model}
            response = connection_handler.stream_post(f"{connection_handler.url}/api/pull", data=json.dumps(data), callback=lambda data, model_name=model: self.pull_model_update(data, model_name))
        GLib.idle_add(self.update_list_local_models)

        if response['status'] == 'ok':
            GLib.idle_add(self.show_notification, _("Task Complete"), _("Model '{}' pulled successfully.").format(model), True, Gio.ThemedIcon.new("emblem-ok-symbolic"))
            GLib.idle_add(self.show_toast, "good", 1, self.manage_models_overlay)
            GLib.idle_add(self.pulling_models[model]['overlay'].get_parent().get_parent().remove, self.pulling_models[model]['overlay'].get_parent())
            del self.pulling_models[model]
        else:
            GLib.idle_add(self.show_notification, _("Pull Model Error"), _("Failed to pull model '{}' due to network error.").format(model), True, Gio.ThemedIcon.new("dialog-error-symbolic"))
            GLib.idle_add(self.pulling_models[model]['overlay'].get_parent().get_parent().remove, self.pulling_models[model]['overlay'].get_parent())
            del self.pulling_models[model]
            GLib.idle_add(self.manage_models_dialog.close)
            GLib.idle_add(self.connection_error)
        if len(list(self.pulling_models.keys())) == 0:
            GLib.idle_add(self.pulling_model_list_box.set_visible, False)

    def pull_model(self, model):
        if model in list(self.pulling_models.keys()):
            self.show_toast("info", 2, self.manage_models_overlay)
            return
        if model in self.local_models:
            self.show_toast("info", 3, self.manage_models_overlay)
            return
        self.pulling_model_list_box.set_visible(True)
        model_row = Adw.ActionRow(
            title = model
        )
        thread = threading.Thread(target=self.pull_model_process, kwargs={"model": model, "modelfile": None})
        overlay = Gtk.Overlay()
        progress_bar = Gtk.ProgressBar(
            valign = 2,
            show_text = False,
            margin_start = 10,
            margin_end = 10,
            css_classes = ["osd", "horizontal", "bottom"]
        )
        button = Gtk.Button(
            icon_name = "media-playback-stop-symbolic",
            vexpand = False,
            valign = 3,
            css_classes = ["error"],
            tooltip_text = _("Stop pulling '{}'").format(model)
        )
        button.connect("clicked", lambda button, model_name=model : dialogs.stop_pull_model(self, model_name))
        model_row.add_suffix(button)
        self.pulling_models[model] = {"row": model_row, "progress_bar": progress_bar, "overlay": overlay}
        overlay.set_child(model_row)
        overlay.add_overlay(progress_bar)
        self.pulling_model_list_box.append(overlay)
        thread.start()

    def update_list_available_models(self):
        self.available_model_list_box.remove_all()
        for name, model_info in available_models.items():
            model = Adw.ActionRow(
                title = name,
                subtitle = "Image recognition" if model_info["image"] else None
            )
            link_button = Gtk.Button(
                icon_name = "globe-symbolic",
                vexpand = False,
                valign = 3,
                tooltip_text = _("Visit '{}' website").format(name)
            )
            pull_button = Gtk.Button(
                icon_name = "folder-download-symbolic",
                vexpand = False,
                valign = 3,
                tooltip_text = _("Pull '{}'").format(name)
            )
            link_button.connect("clicked", lambda button=link_button, link=model_info["url"]: webbrowser.open(link))
            pull_button.connect("clicked", lambda button=pull_button, model_name=name: dialogs.pull_model(self, model_name))
            model.add_suffix(link_button)
            model.add_suffix(pull_button)
            self.available_model_list_box.append(model)

    def save_history(self):
        with open(os.path.join(self.data_dir, "chats", "chats.json"), "w+") as f:
            json.dump(self.chats, f, indent=4)

    def load_history_into_chat(self):
        for widget in list(self.chat_container): self.chat_container.remove(widget)
        for key, message in self.chats['chats'][self.chats["selected_chat"]]['messages'].items():
            if message:
                if message['role'] == 'user':
                    self.show_message(message['content'], False, f"\n\n<small>{message['date']}</small>", message['images'] if 'images' in message else None, message['files'] if 'files' in message else None, id=key)
                else:
                    self.show_message(message['content'], True, f"\n\n<small>{message['model']}\t|\t{message['date']}</small>", id=key)
                    self.add_code_blocks()
                    self.bot_message = None

    def load_history(self):
        if os.path.exists(os.path.join(self.data_dir, "chats", "chats.json")):
            try:
                with open(os.path.join(self.data_dir, "chats", "chats.json"), "r") as f:
                    self.chats = json.load(f)
                    if "selected_chat" not in self.chats or self.chats["selected_chat"] not in self.chats["chats"]: self.chats["selected_chat"] = list(self.chats["chats"].keys())[0]
                    if len(list(self.chats["chats"].keys())) == 0: self.chats["chats"][_("New Chat")] = {"messages": {}}
            except Exception as e:
                self.chats = {"chats": {_("New Chat"): {"messages": {}}}, "selected_chat": _("New Chat")}
            self.load_history_into_chat()

    def generate_numbered_name(self, chat_name:str, compare_list:list) -> str:
        if chat_name in compare_list:
            for i in range(len(compare_list)):
                if "." in chat_name:
                    if f"{'.'.join(chat_name.split('.')[:-1])} {i+1}.{chat_name.split('.')[-1]}" not in compare_list:
                        chat_name = f"{'.'.join(chat_name.split('.')[:-1])} {i+1}.{chat_name.split('.')[-1]}"
                        break
                else:
                    if  f"{chat_name} {i+1}" not in compare_list:
                        chat_name = f"{chat_name} {i+1}"
                        break
        return chat_name

    def generate_uuid(self) -> str:
        return f"{datetime.today().strftime('%Y%m%d%H%M%S%f')}{uuid.uuid4().hex}"

    def clear_chat(self):
        for widget in list(self.chat_container): self.chat_container.remove(widget)
        self.chats["chats"][self.chats["selected_chat"]]["messages"] = []
        self.save_history()

    def delete_chat(self, chat_name):
        del self.chats['chats'][chat_name]
        if os.path.exists(os.path.join(self.data_dir, "chats", self.chats['selected_chat'])):
            shutil.rmtree(os.path.join(self.data_dir, "chats", self.chats['selected_chat']))
        self.save_history()
        self.update_chat_list()
        if len(self.chats['chats'])==0:
            self.new_chat()

    def rename_chat(self, old_chat_name, new_chat_name, label_element):
        new_chat_name = self.generate_numbered_name(new_chat_name, self.chats["chats"].keys())
        if self.chats["selected_chat"] == old_chat_name: self.chats["selected_chat"] = new_chat_name
        self.chats["chats"][new_chat_name] = self.chats["chats"][old_chat_name]
        del self.chats["chats"][old_chat_name]
        if os.path.exists(os.path.join(self.data_dir, "chats", old_chat_name)):
            shutil.move(os.path.join(self.data_dir, "chats", old_chat_name), os.path.join(self.data_dir, "chats", new_chat_name))
        label_element.set_label(new_chat_name)
        label_element.get_parent().get_parent().set_name(new_chat_name)
        self.save_history()

    def new_chat(self):
        chat_name = self.generate_numbered_name(_("New Chat"), self.chats["chats"].keys())
        self.chats["chats"][chat_name] = {"messages": {}}
        self.save_history()
        self.new_chat_element(chat_name, True)

    def stop_pull_model(self, model_name):
        self.pulling_models[model_name]['overlay'].get_parent().get_parent().remove(self.pulling_models[model_name]['overlay'].get_parent())
        del self.pulling_models[model_name]

    def delete_model(self, model_name):
        response = connection_handler.simple_delete(f"{connection_handler.url}/api/delete", data={"name": model_name})
        self.update_list_local_models()
        if response['status'] == 'ok':
            self.show_toast("good", 0, self.manage_models_overlay)
        else:
            self.manage_models_dialog.close()
            self.connection_error()

    def chat_click_handler(self, gesture, n_press, x, y):
        chat_row = gesture.get_widget()
        popover = Gtk.PopoverMenu(
            menu_model=self.right_click_menu,
            has_arrow=False,
            halign=1,
        )
        self.right_clicked_chat_row = chat_row
        position = Gdk.Rectangle()
        position.x = x
        position.y = y
        popover.set_parent(chat_row.get_child())
        popover.set_pointing_to(position)
        popover.popup()

    def new_chat_element(self, chat_name:str, select:bool):
        chat_label = Gtk.Label(
            label=chat_name,
            hexpand=True,
            halign=0,
            wrap=True,
            ellipsize=3,
            wrap_mode=2,
            xalign=0
        )
        chat_row = Gtk.ListBoxRow(
            css_classes = ["chat_row"],
            height_request = 45,
            child = chat_label,
            name = chat_name
        )

        gesture = Gtk.GestureClick(button=3)
        gesture.connect("released", self.chat_click_handler)
        chat_row.add_controller(gesture)

        self.chat_list_box.append(chat_row)
        if select: self.chat_list_box.select_row(chat_row)

    def update_chat_list(self):
        self.chat_list_box.remove_all()
        for name, content in self.chats['chats'].items():
            self.new_chat_element(name, self.chats["selected_chat"] == name)

    def show_preferences_dialog(self):
        self.preferences_dialog.present(self)

    def connect_remote(self, url):
        connection_handler.url = url
        self.remote_url = connection_handler.url
        self.remote_connection_entry.set_text(self.remote_url)
        if self.verify_connection() == False: self.connection_error()

    def connect_local(self):
        self.run_remote = False
        connection_handler.url = f"http://127.0.0.1:{local_instance.port}"
        local_instance.start()
        if self.verify_connection() == False: self.connection_error()
        else: self.remote_connection_switch.set_active(False)

    def connection_error(self):
        if self.run_remote:
            dialogs.reconnect_remote(self, connection_handler.url)
        else:
            local_instance.reset()
            self.show_toast("error", 7, self.main_overlay)

    def connection_switched(self):
        new_value = self.remote_connection_switch.get_active()
        if new_value != self.run_remote:
            self.run_remote = new_value
            if self.run_remote:
                connection_handler.url = self.remote_url
                if self.verify_connection() == False: self.connection_error()
                else: local_instance.stop()
            else:
                connection_handler.url = f"http://127.0.0.1:{local_instance.port}"
                local_instance.start()
                if self.verify_connection() == False: self.connection_error()
            self.update_list_available_models()

    def on_replace_contents(self, file, result):
        file.replace_contents_finish(result)
        self.show_toast("good", 2, self.main_overlay)

    def on_export_chat(self, file_dialog, result, chat_name):
        file = file_dialog.save_finish(result)
        if not file: return
        json_data = json.dumps({chat_name: self.chats["chats"][chat_name]}, indent=4).encode("UTF-8")

        with tempfile.TemporaryDirectory() as temp_dir:
            json_path = os.path.join(temp_dir, "data.json")
            with open(json_path, "wb") as json_file:
                json_file.write(json_data)

            tar_path = os.path.join(temp_dir, chat_name)
            with tarfile.open(tar_path, "w") as tar:
                tar.add(json_path, arcname="data.json")
                directory = os.path.join(self.data_dir, "chats", chat_name)
                if os.path.exists(directory) and os.path.isdir(directory):
                    tar.add(directory, arcname=os.path.basename(directory))

            with open(tar_path, "rb") as tar:
                tar_content = tar.read()

            file.replace_contents_async(
                tar_content,
                etag=None,
                make_backup=False,
                flags=Gio.FileCreateFlags.NONE,
                cancellable=None,
                callback=self.on_replace_contents
            )

    def export_chat(self, chat_name):
        file_dialog = Gtk.FileDialog(initial_name=f"{chat_name}.tar")
        file_dialog.save(parent=self, cancellable=None, callback=lambda file_dialog, result, chat_name=chat_name: self.on_export_chat(file_dialog, result, chat_name))

    def on_chat_imported(self, file_dialog, result):
        file = file_dialog.open_finish(result)
        if not file: return
        stream = file.read(None)
        data_stream = Gio.DataInputStream.new(stream)
        tar_content = data_stream.read_bytes(1024 * 1024, None)

        with tempfile.TemporaryDirectory() as temp_dir:
            tar_filename = os.path.join(temp_dir, "imported_chat.tar")

            with open(tar_filename, "wb") as tar_file:
                tar_file.write(tar_content.get_data())

            with tarfile.open(tar_filename, "r") as tar:
                tar.extractall(path=temp_dir)
                chat_name = None
                chat_content = None
                for member in tar.getmembers():
                    if member.name == "data.json":
                        json_filepath = os.path.join(temp_dir, member.name)
                        with open(json_filepath, "r") as json_file:
                            data = json.load(json_file)
                        for chat_name, chat_content in data.items():
                            new_chat_name = self.generate_numbered_name(chat_name, list(self.chats['chats'].keys()))
                            self.chats['chats'][new_chat_name] = chat_content
                            src_path = os.path.join(temp_dir, chat_name)
                            if os.path.exists(src_path) and os.path.isdir(src_path):
                                dest_path = os.path.join(self.data_dir, "chats", new_chat_name)
                                shutil.copytree(src_path, dest_path)


        self.update_chat_list()
        self.save_history()
        self.show_toast("good", 3, self.main_overlay)

    def import_chat(self):
        file_dialog = Gtk.FileDialog(default_filter=self.file_filter_tar)
        file_dialog.open(self, None, self.on_chat_imported)

    def switch_run_on_background(self):
        self.run_on_background = self.background_switch.get_active()
        self.set_hide_on_close(self.run_on_background)
        self.verify_connection()

    def get_content_of_file(self, file_path, file_type):
        if file_type != 'youtube' and not os.path.exists(file_path): return None
        if file_type == 'image':
            try:
                with Image.open(file_path) as img:
                    width, height = img.size
                    max_size = 240
                    if width > height:
                        new_width = max_size
                        new_height = int((max_size / width) * height)
                    else:
                        new_height = max_size
                        new_width = int((max_size / height) * width)
                    resized_img = img.resize((new_width, new_height), Image.LANCZOS)
                    with BytesIO() as output:
                        resized_img.save(output, format="PNG")
                        image_data = output.getvalue()
                    return base64.b64encode(image_data).decode("utf-8")
            except Exception as e:
                self.show_toast("error", 5, self.main_overlay)
        elif file_type == 'plain_text':
            with open(file_path, 'r') as f:
                return f.read()
        elif file_type == 'pdf':
            reader = PdfReader(file_path)
            if len(reader.pages) == 0: return None
            text = ""
            for i, page in enumerate(reader.pages):
                text += f"\n- Page {i}\n{page.extract_text()}\n"
            return text
        elif file_type == 'youtube':
            yt = YouTube(file_path)
            text = "{}\n{}\n\n".format(yt.title, yt.author)
            for event in yt.captions[file_path.split('&caption_lang=')[1]].json_captions['events']:
                text += "{}\n".format(event['segs'][0]['utf8'].replace('\n', '\\n'))
            return text
        #elif file_type == 'docx':
            #document = docx.Document(file_path)
            #if len(document.paragraphs) == 0: return None
            #text = ""
            #for paragraph in document.paragraphs:
                #text += f"{paragraph.text}\n"
            #return text

    def remove_attached_file(self, button):
        del self.attachments[button.get_name()]
        button.get_parent().remove(button)
        if len(self.attachments) == 0: self.attachment_box.set_visible(False)

    def attach_file(self, file_path, file_type):
        if file_type == "youtube":
            name = YouTube(file_path).title
        else:
            name = self.generate_numbered_name(os.path.basename(file_path), self.attachments.keys())
        content = self.get_content_of_file(file_path, file_type)
        if content:
            if file_type == "youtube":
                shown_name=name[:20] + (name[20:] and '..')
            else:
                shown_name='.'.join(name.split(".")[:-1])[:20] + (name[20:] and '..') + f".{name.split('.')[-1]}"
            button_content = Adw.ButtonContent(
                label=shown_name,
                icon_name={
                    "image": "image-x-generic-symbolic",
                    "plain_text": "document-text-symbolic",
                    "pdf": "document-text-symbolic",
                    "youtube": "play-symbolic",
                    #"docx": "document-text-symbolic"
                }[file_type]
            )
            button = Gtk.Button(
                vexpand=True,
                valign=3,
                name=name,
                css_classes=["flat"],
                tooltip_text=name,
                child=button_content
            )

            self.attachments[name] = {"path": file_path, "type": file_type, "content": content, "button": button}
            button.connect("clicked", lambda button: dialogs.remove_attached_file(self, button))
            self.attachment_container.append(button)
            self.attachment_box.set_visible(True)

    def chat_actions(self, action, user_data):
        action_name = action.get_name()
        if self.right_clicked_chat_row:
            chat_row = self.right_clicked_chat_row
        else:
            chat_row = self.chat_list_box.get_selected_row()
        chat_name = chat_row.get_name()
        self.right_clicked_chat_row = None
        if action_name == 'delete_chat':
            dialogs.delete_chat(self, chat_name)
        elif action_name == 'rename_chat':
            dialogs.rename_chat(self, chat_name, chat_row.get_child())
        elif action_name == 'export_chat':
            self.export_chat(chat_name)

    def text_received(self, clipboard, result):
        text = clipboard.read_text_finish(result)
        #Check if text is a Youtube URL
        youtube_regex = re.compile(
            r'(https?://)?(www\.)?(youtube|youtu|youtube-nocookie)\.(com|be)/'
            r'(watch\?v=|embed/|v/|.+\?v=)?([^&=%\?]{11})')
        if youtube_regex.match(text):
            try:
                yt = YouTube(text)
                dialogs.youtube_caption(self, yt.title, text, yt.captions)
            except Exception as e:
                self.show_toast("error", 10, self.main_overlay)

    def on_clipboard_paste(self, textview):
        clipboard = Gdk.Display.get_default().get_clipboard()
        clipboard.read_text_async(None, self.text_received)

    def on_model_dropdown_setup(self, factory, list_item):
        label = Gtk.Label()
        label.set_ellipsize(2)
        label.set_xalign(0)
        list_item.set_child(label)

    def on_model_dropdown_bind(self, factory, list_item):
        label = list_item.get_child()
        item = list_item.get_item()
        label.set_text(item.get_string())
        label.set_tooltip_text(item.get_string())

    def setup_model_dropdown(self):
        factory = Gtk.SignalListItemFactory()
        factory.connect("setup", self.on_model_dropdown_setup)
        factory.connect("bind", self.on_model_dropdown_bind)
        self.model_drop_down.set_factory(factory)

    def __init__(self, **kwargs):
        super().__init__(**kwargs)
        GtkSource.init()
        if not os.path.exists(os.path.join(self.data_dir, "chats")):
            os.makedirs(os.path.join(self.data_dir, "chats"))
        if os.path.exists(os.path.join(self.config_dir, "chats.json")) and not os.path.exists(os.path.join(self.data_dir, "chats", "chats.json")):
            update_history.update(self)
        self.set_help_overlay(self.shortcut_window)
        self.get_application().set_accels_for_action("win.show-help-overlay", ['<primary>slash'])
        self.get_application().create_action('new_chat', lambda *_: self.new_chat(), ['<primary>n'])
        self.get_application().create_action('clear', lambda *_: dialogs.clear_chat(self), ['<primary>e'])
        self.get_application().create_action('send', lambda *_: self.send_message(self), ['Return'])
        self.get_application().create_action('import_chat', lambda *_: self.import_chat(), ['<primary>i'])
        self.get_application().create_action('create_model_from_existing', lambda *_: dialogs.create_model_from_existing(self))
        self.get_application().create_action('create_model_from_file', lambda *_: dialogs.create_model_from_file(self))
        self.get_application().create_action('delete_chat', self.chat_actions)
        self.get_application().create_action('rename_chat', self.chat_actions)
        self.get_application().create_action('export_chat', self.chat_actions)
        self.message_text_view.connect("paste-clipboard", self.on_clipboard_paste)
        self.add_chat_button.connect("clicked", lambda button : self.new_chat())
        self.attachment_button.connect("clicked", lambda button, file_filter=self.file_filter_attachments: dialogs.attach_file(self, file_filter))
        self.create_model_name.get_delegate().connect("insert-text", self.check_alphanumeric)
        self.remote_connection_entry.connect("entry-activated", lambda entry : entry.set_css_classes([]))
        self.remote_connection_switch.connect("notify", lambda pspec, user_data : self.connection_switched())
        self.background_switch.connect("notify", lambda pspec, user_data : self.switch_run_on_background())
        self.setup_model_dropdown()
        if os.path.exists(os.path.join(self.config_dir, "server.json")):
            with open(os.path.join(self.config_dir, "server.json"), "r") as f:
                data = json.load(f)
                self.run_remote = data['run_remote']
                local_instance.port = data['local_port']
                self.remote_url = data['remote_url']
                self.run_on_background = data['run_on_background']
                #Model Tweaks
                if "model_tweaks" in data: self.model_tweaks = data['model_tweaks']
                self.temperature_spin.set_value(self.model_tweaks['temperature'])
                self.seed_spin.set_value(self.model_tweaks['seed'])
                self.keep_alive_spin.set_value(self.model_tweaks['keep_alive'])
                #Overrides
                if "ollama_overrides" in data: local_instance.overrides = data['ollama_overrides']
                for element in [
                        self.override_HSA_OVERRIDE_GFX_VERSION,
                        self.override_CUDA_VISIBLE_DEVICES,
                        self.override_HIP_VISIBLE_DEVICES]:
                    override = element.get_name()
                    if override in local_instance.overrides:
                        element.set_text(local_instance.overrides[override])


                self.background_switch.set_active(self.run_on_background)
                self.set_hide_on_close(self.run_on_background)
                self.remote_connection_entry.set_text(self.remote_url)
                if self.run_remote:
                    connection_handler.url = data['remote_url']
                    self.remote_connection_switch.set_active(True)
                else:
                    self.remote_connection_switch.set_active(False)
                    connection_handler.url = f"http://127.0.0.1:{local_instance.port}"
                    local_instance.start()
        else:
            local_instance.start()
            connection_handler.url = f"http://127.0.0.1:{local_instance.port}"
            self.welcome_dialog.present(self)
        if self.verify_connection() is False: self.connection_error()
        self.update_list_available_models()
        self.load_history()
        self.update_chat_list()