# dialogs.py
"""
Handles UI dialogs
"""
import os
import logging, requests, threading
from pytube import YouTube
from html2text import html2text
from gi.repository import Adw, Gtk

logger = logging.getLogger(__name__)
# CLEAR CHAT | WORKS

def clear_chat_response(self, dialog, task):
    if dialog.choose_finish(task) == "clear":
        self.chat_list_box.get_current_chat().clear_chat()

def clear_chat(self):
    if self.bot_message is not None:
        self.show_toast(_("Chat cannot be cleared while receiving a message"), self.main_overlay)
        return
    dialog = Adw.AlertDialog(
        heading=_("Clear Chat?"),
        body=_("Are you sure you want to clear the chat?"),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("clear", _("Clear"))
    dialog.set_response_appearance("clear", Adw.ResponseAppearance.DESTRUCTIVE)
    dialog.set_default_response("clear")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task: clear_chat_response(self, dialog, task)
    )

# DELETE CHAT | WORKS

def delete_chat_response(self, dialog, task, chat_name):
    if dialog.choose_finish(task) == "delete":
        self.chat_list_box.delete_chat(chat_name)

def delete_chat(self, chat_name):
    dialog = Adw.AlertDialog(
        heading=_("Delete Chat?"),
        body=_("Are you sure you want to delete '{}'?").format(chat_name),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("delete", _("Delete"))
    dialog.set_response_appearance("delete", Adw.ResponseAppearance.DESTRUCTIVE)
    dialog.set_default_response("delete")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, chat_name=chat_name: delete_chat_response(self, dialog, task, chat_name)
    )

# RENAME CHAT | WORKS

def rename_chat_response(self, dialog, task, old_chat_name, entry):
    if not entry:
        return
    new_chat_name = entry.get_text()
    if old_chat_name == new_chat_name:
        return
    if new_chat_name and (task is None or dialog.choose_finish(task) == "rename"):
        self.chat_list_box.rename_chat(old_chat_name, new_chat_name)

def rename_chat(self, chat_name):
    entry = Gtk.Entry()
    dialog = Adw.AlertDialog(
        heading=_("Rename Chat?"),
        body=_("Renaming '{}'").format(chat_name),
        extra_child=entry,
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("rename", _("Rename"))
    dialog.set_response_appearance("rename", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("rename")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, old_chat_name=chat_name, entry=entry: rename_chat_response(self, dialog, task, old_chat_name, entry)
    )

# NEW CHAT | WORKS | UNUSED REASON: The 'Add Chat' button now creates a chat without a name AKA "New Chat"

def new_chat_response(self, dialog, task, entry):
    chat_name = _("New Chat")
    if entry is not None and entry.get_text() != "":
        chat_name = entry.get_text()
    if chat_name and (task is None or dialog.choose_finish(task) == "create"):
        self.new_chat(chat_name)


def new_chat(self):
    entry = Gtk.Entry()
    dialog = Adw.AlertDialog(
        heading=_("Create Chat?"),
        body=_("Enter name for new chat"),
        extra_child=entry,
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("create", _("Create"))
    dialog.set_response_appearance("create", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("create")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, entry=entry: new_chat_response(self, dialog, task, entry)
    )

# STOP PULL MODEL | WORKS

def stop_pull_model_response(self, dialog, task, pulling_model):
    if dialog.choose_finish(task) == "stop":
        if len(list(pulling_model.get_parent())) == 1:
            pulling_model.get_parent().set_visible(False)
        pulling_model.get_parent().remove(pulling_model)

def stop_pull_model(self, pulling_model):
    dialog = Adw.AlertDialog(
        heading=_("Stop Download?"),
        body=_("Are you sure you want to stop pulling '{}'?").format(self.convert_model_name(pulling_model.get_name(), 0)),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("stop", _("Stop"))
    dialog.set_response_appearance("stop", Adw.ResponseAppearance.DESTRUCTIVE)
    dialog.set_default_response("stop")
    dialog.choose(
        parent = self.manage_models_dialog,
        cancellable = None,
        callback = lambda dialog, task, model=pulling_model: stop_pull_model_response(self, dialog, task, model)
    )

# DELETE MODEL | WORKS

def delete_model_response(self, dialog, task, model_name):
    if dialog.choose_finish(task) == "delete":
        self.model_manager.remove_local_model(model_name)

def delete_model(self, model_name):
    dialog = Adw.AlertDialog(
        heading=_("Delete Model?"),
        body=_("Are you sure you want to delete '{}'?").format(self.convert_model_name(model_name, 0)),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("delete", _("Delete"))
    dialog.set_response_appearance("delete", Adw.ResponseAppearance.DESTRUCTIVE)
    dialog.set_default_response("delete")
    dialog.choose(
        parent = self.manage_models_dialog,
        cancellable = None,
        callback = lambda dialog, task, model_name = model_name: delete_model_response(self, dialog, task, model_name)
    )

# REMOVE IMAGE | WORKS

def remove_attached_file_response(self, dialog, task, name):
    if dialog.choose_finish(task) == 'remove':
        self.file_preview_dialog.close()
        self.remove_attached_file(name)

def remove_attached_file(self, name):
    dialog = Adw.AlertDialog(
        heading=_("Remove Attachment?"),
        body=_("Are you sure you want to remove attachment?"),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("remove", _("Remove"))
    dialog.set_response_appearance("remove", Adw.ResponseAppearance.DESTRUCTIVE)
    dialog.set_default_response("remove")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, name=name: remove_attached_file_response(self, dialog, task, name)
    )

# RECONNECT REMOTE | WORKS

def reconnect_remote_response(self, dialog, task, url_entry, bearer_entry):
    response = dialog.choose_finish(task)
    if not task or response == "remote":
        self.ollama_instance.remote_url = url_entry.get_text()
        self.ollama_instance.bearer_token = bearer_entry.get_text()
        self.ollama_instance.remote = True
        self.model_manager.update_local_list()
    elif response == "local":
        self.ollama_instance.remote = False
        self.ollama_instance.start()
        self.model_manager.update_local_list()
    elif response == "close":
        self.destroy()

def reconnect_remote(self):
    entry_url = Gtk.Entry(
        css_classes = ["error"],
        text = self.ollama_instance.remote_url,
        placeholder_text = "URL"
    )
    entry_bearer_token = Gtk.Entry(
        css_classes = ["error"] if self.ollama_instance.bearer_token else None,
        text = self.ollama_instance.bearer_token,
        placeholder_text = "Bearer Token (Optional)"
    )
    container = Gtk.Box(
        orientation = 1,
        spacing = 10
    )
    container.append(entry_url)
    container.append(entry_bearer_token)
    dialog = Adw.AlertDialog(
        heading=_("Connection Error"),
        body=_("The remote instance has disconnected"),
        extra_child=container
    )
    dialog.add_response("close", _("Close Alpaca"))
    dialog.add_response("local", _("Use local instance"))
    dialog.add_response("remote", _("Connect"))
    dialog.set_response_appearance("remote", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("remote")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, url_entry=entry_url, bearer_entry=entry_bearer_token: reconnect_remote_response(self, dialog, task, url_entry, bearer_entry)
    )

# CREATE MODEL | WORKS

def create_model_from_existing_response(self, dialog, task, dropdown):
    model = dropdown.get_selected_item().get_string()
    if dialog.choose_finish(task) == 'accept' and model:
        self.create_model(model, False)

def create_model_from_existing(self):
    string_list = Gtk.StringList()
    for model in self.model_manager.get_model_list():
        string_list.append(self.convert_model_name(model, 0))

    dropdown = Gtk.DropDown()
    dropdown.set_model(string_list)
    dialog = Adw.AlertDialog(
        heading=_("Select Model"),
        body=_("This model will be used as the base for the new model"),
        extra_child=dropdown
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("accept", _("Accept"))
    dialog.set_response_appearance("accept", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("accept")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, dropdown=dropdown: create_model_from_existing_response(self, dialog, task, dropdown)
    )

def create_model_from_file_response(self, file_dialog, result):
    try:
        file = file_dialog.open_finish(result)
        try:
            self.create_model(file.get_path(), True)
        except Exception as e:
            logger.error(e)
            self.show_toast(_("An error occurred while creating the model"), self.main_overlay)
    except Exception as e:
        logger.error(e)

def create_model_from_file(self):
    file_dialog = Gtk.FileDialog(default_filter=self.file_filter_gguf)
    file_dialog.open(self, None, lambda file_dialog, result: create_model_from_file_response(self, file_dialog, result))

def create_model_from_name_response(self, dialog, task, entry):
    model = entry.get_text().lower().strip()
    if dialog.choose_finish(task) == 'accept' and model:
        threading.Thread(target=self.model_manager.pull_model, kwargs={"model_name": model}).start()

def create_model_from_name(self):
    entry = Gtk.Entry()
    entry.get_delegate().connect("insert-text", lambda *_ : self.check_alphanumeric(*_, ['-', '.', ':', '_', '/']))
    dialog = Adw.AlertDialog(
        heading=_("Pull Model"),
        body=_("Input the name of the model in this format\nname:tag"),
        extra_child=entry
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("accept", _("Accept"))
    dialog.set_response_appearance("accept", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("accept")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, entry=entry: create_model_from_name_response(self, dialog, task, entry)
    )
# FILE CHOOSER | WORKS

def attach_file_response(self, file_dialog, result):
    file_types = {
        "plain_text": ["txt", "md", "html", "css", "js", "py", "java", "json", "xml"],
        "image": ["png", "jpeg", "jpg", "webp", "gif"],
        "pdf": ["pdf"]
    }
    try:
        file = file_dialog.open_finish(result)
    except Exception as e:
        logger.error(e)
        return
    extension = file.get_path().split(".")[-1]
    file_type = next(key for key, value in file_types.items() if extension in value)
    if not file_type:
        return
    if file_type == 'image' and not self.verify_if_image_can_be_used():
        self.show_toast(_("Image recognition is only available on specific models"), self.main_overlay)
        return
    self.attach_file(file.get_path(), file_type)

def attach_file(self, file_filter):
    file_dialog = Gtk.FileDialog(default_filter=file_filter)
    file_dialog.open(self, None, lambda file_dialog, result: attach_file_response(self, file_dialog, result))

# YouTube caption | WORKS

def youtube_caption_response(self, dialog, task, video_url, caption_drop_down):
    if dialog.choose_finish(task) == "accept":
        buffer = self.message_text_view.get_buffer()
        text = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter(), False).replace(video_url, "")
        buffer.delete(buffer.get_start_iter(), buffer.get_end_iter())
        buffer.insert(buffer.get_start_iter(), text, len(text))

        yt = YouTube(video_url)
        text = "{}\n{}\n{}\n\n".format(yt.title, yt.author, yt.watch_url)
        selected_caption = caption_drop_down.get_selected_item().get_string()
        for event in yt.captions[selected_caption.split('(')[-1][:-1]].json_captions['events']:
            text += "{}\n".format(event['segs'][0]['utf8'].replace('\n', '\\n'))
        if not os.path.exists(os.path.join(self.cache_dir, 'tmp/youtube')):
            os.makedirs(os.path.join(self.cache_dir, 'tmp/youtube'))
        file_path = os.path.join(os.path.join(self.cache_dir, 'tmp/youtube'), f'{yt.title} ({selected_caption.split(" (")[0]})')
        with open(file_path, 'w+', encoding="utf-8") as f:
            f.write(text)
        self.attach_file(file_path, 'youtube')

def youtube_caption(self, video_url):
    yt = YouTube(video_url)
    video_title = yt.title
    captions = yt.captions
    if len(captions) == 0:
        self.show_toast(_("This video does not have any transcriptions"), self.main_overlay)
        return
    caption_list = Gtk.StringList()
    for caption in captions:
        caption_list.append("{} ({})".format(caption.name.title(), caption.code))
    caption_drop_down = Gtk.DropDown(
        enable_search=len(captions) > 10,
        model=caption_list
    )
    dialog = Adw.AlertDialog(
        heading=_("Attach YouTube Video?"),
        body=_("{}\n\nPlease select a transcript to include").format(video_title),
        extra_child=caption_drop_down,
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("accept", _("Accept"))
    dialog.set_response_appearance("accept", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("accept")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, video_url = video_url, caption_drop_down = caption_drop_down: youtube_caption_response(self, dialog, task, video_url, caption_drop_down)
    )

# Website extraction |

def attach_website_response(self, dialog, task, url):
    if dialog.choose_finish(task) == "accept":
        response = requests.get(url)
        if response.status_code == 200:
            html = response.text
            md = html2text(html)
            buffer = self.message_text_view.get_buffer()
            textview_text = buffer.get_text(buffer.get_start_iter(), buffer.get_end_iter(), False).replace(url, "")
            buffer.delete(buffer.get_start_iter(), buffer.get_end_iter())
            buffer.insert(buffer.get_start_iter(), textview_text, len(textview_text))
            if not os.path.exists('/tmp/alpaca/websites/'):
                os.makedirs('/tmp/alpaca/websites/')
            md_name = self.generate_numbered_name('website.md', os.listdir('/tmp/alpaca/websites'))
            file_path = os.path.join('/tmp/alpaca/websites/', md_name)
            with open(file_path, 'w+', encoding="utf-8") as f:
                f.write('{}\n\n{}'.format(url, md))
            self.attach_file(file_path, 'website')
        else:
            self.show_toast(_("An error occurred while extracting text from the website"), self.main_overlay)


def attach_website(self, url):
    dialog = Adw.AlertDialog(
        heading=_("Attach Website? (Experimental)"),
        body=_("Are you sure you want to attach\n'{}'?").format(url),
        close_response="cancel"
    )
    dialog.add_response("cancel", _("Cancel"))
    dialog.add_response("accept", _("Accept"))
    dialog.set_response_appearance("accept", Adw.ResponseAppearance.SUGGESTED)
    dialog.set_default_response("accept")
    dialog.choose(
        parent = self,
        cancellable = None,
        callback = lambda dialog, task, url=url: attach_website_response(self, dialog, task, url)
    )