#
# Cookbook Name:: kosmos-hubot
# Recipe:: botka_freenode
#
# Copyright:: 2019, Kosmos Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
app_name  = "botka_freenode"
app_path  = "/opt/#{app_name}"
app_user  = "hubot"
app_group = "hubot"

build_essential app_name do
  compile_time true
end

include_recipe "kosmos-nodejs"
include_recipe "kosmos-redis"

application app_path do
  data_bag = Chef::EncryptedDataBagItem.load('credentials', app_name)

  owner app_user
  group app_group

  git do
    user       app_user
    group      app_group
    repository "https://github.com/67P/botka.git"
    revision   "master"
  end

  file "#{app_path}/external-scripts.json" do
    mode  "0640"
    owner app_user
    group app_group
    content [
      "hubot-help",
      "hubot-redis-brain",
      "hubot-remotestorage-logger",
      "hubot-web-push-notifications",
    ].to_json
  end

  npm_install do
    user app_user
  end

  execute "systemctl daemon-reload" do
    command "systemctl daemon-reload"
    action :nothing
  end

  template "/lib/systemd/system/#{app_name}.service" do
    source 'nodejs.systemd.service.erb'
    owner 'root'
    group 'root'
    mode '0644'
    variables(
      user: app_user,
      group: app_group,
      app_dir: app_path,
      entry: "#{app_path}/bin/hubot -a irc",
      environment: {
        "HUBOT_LOG_LEVEL"             => node.chef_environment == "development" ? "debug" : "info",
        "HUBOT_IRC_SERVER"            => "irc.freenode.net",
        "HUBOT_IRC_ROOMS"             => "#5apps,#kosmos,#kosmos-dev,#kosmos-random,#remotestorage,#hackerbeach,#unhosted,#sockethub,#opensourcedesign,#openknot,#emberjs,#mastodon,#indieweb,#lnd",
        "HUBOT_IRC_NICK"              => "botka",
        "HUBOT_IRC_NICKSERV_USERNAME" => "botka",
        "HUBOT_IRC_NICKSERV_PASSWORD" => data_bag['nickserv_password'],
        "HUBOT_IRC_UNFLOOD"           => "100",
        "HUBOT_RSS_PRINTSUMMARY"      => "false",
        "HUBOT_RSS_PRINTERROR"        => "false",
        "HUBOT_RSS_IRCCOLORS"         => "true",
        "EXPRESS_PORT"                => node[app_name]['http_port'],
        "HUBOT_AUTH_ADMIN"            => "bkero,derbumi,galfert,gregkare,jaaan,slvrbckt,raucao",
        "HUBOT_HELP_REPLY_IN_PRIVATE" => "true",
        "RS_LOGGER_USER"              => "kosmos@5apps.com",
        "RS_LOGGER_TOKEN"             => data_bag['rs_logger_token'],
        "RS_LOGGER_SERVER_NAME"       => "freenode",
        "RS_LOGGER_PUBLIC"            => "true",
        "GCM_API_KEY"                 => data_bag['gcm_api_key'],
        "VAPID_SUBJECT"               => "https://kosmos.org",
        "VAPID_PUBLIC_KEY"            => data_bag['vapid_public_key'],
        "VAPID_PRIVATE_KEY"           => data_bag['vapid_private_key'],
        "REDIS_URL"                   => "redis://localhost:6379/botka"
      }
    )
    notifies :run, "execute[systemctl daemon-reload]", :delayed
    notifies :restart, "service[#{app_name}]", :delayed
  end

  service app_name do
    action [:enable, :start]
  end
end

#
# Nginx reverse proxy
#
unless node.chef_environment == "development"
  include_recipe "kosmos-base::letsencrypt"
  include_recipe "kosmos-nginx"

  template "#{node['nginx']['dir']}/sites-available/#{node[app_name]['domain']}" do
    source 'nginx_conf_hubot.erb'
    owner node["nginx"]["user"]
    mode 0640
    variables express_port: node[app_name]['http_port'],
              server_name:  node[app_name]['domain'],
              ssl_cert:     "/etc/letsencrypt/live/#{node[app_name]['domain']}/fullchain.pem",
              ssl_key:      "/etc/letsencrypt/live/#{node[app_name]['domain']}/privkey.pem"
    notifies :reload, 'service[nginx]', :delayed
  end

  nginx_site node[app_name]['domain'] do
    action :enable
  end

  nginx_certbot_site node[app_name]['domain']
end