# frozen_string_literal: true

module ESM
  module Discord
    module Event
      class MemberJoin
        def initialize(event)
          @user = event.user
          @server = event.server
          @community = ESM::Community.where(guild_id: @server.id).first_or_create!
        end

        def run!
          return if [email protected]_message_enabled?

          thread = Thread.new do
            if @community.esm_community?
              send_esm_welcome_message
            else
              send_community_welcome_message
            end
          end

          thread.join if ESM.env.test?
        end

        private

        def send_esm_welcome_message
          embed =
            ESM::Embed.build do |e|
              e.set_author(name: ESM.discord_bot.profile.username, url: "https://www.esmbot.com", icon_url: ESM.discord_bot.profile.avatar_url)
              e.title = "Welcome to my Discord!"

              e.description = "We're happy you're here! Please feel free to make yourself at home and be sure to check out our rules in the #welcome-to-esm channel."

              e.add_field(
                name: "Looking to chat or have a non-support related question?",
                value: "Feel free to ask in #general-no-support"
              )

              e.add_field(
                name: "Having an issue that needs fixin'?",
                value: "Let us know in #general-support"
              )
            end

          ESM.discord_bot.deliver(embed, to: @user)
        end

        def send_community_welcome_message
          servers = @community.servers.public_visibility.map { |server| "#{server.server_name} [#{server.server_ip}:#{server.server_port}]\nServer ID: #{server.server_id}" }.join("\n\n")

          description = "First off, let me introduce myself. My name is Exile Server Manager, or ESM for short. My purpose is to give you the ability to interact with aspects of Exile that would normally require you to be in game. This includes getting information about your player, managing your territory (paying, upgrading, add/remove members, etc), XM8 notifications, random fun commands, and so much more!"
          description += "\n\n**A message from this community:**\n#{@community.welcome_message}" if @community.welcome_message.present?

          embed =
            ESM::Embed.build do |e|
              e.set_author(name: ESM.discord_bot.profile.username, url: "https://www.esmbot.com", icon_url: ESM.discord_bot.profile.avatar_url)
              e.title = "Welcome to #{@community.community_name}, #{@user.username}!"
              e.description = description

              e.add_field(name: "This community's ID", value: "```#{@community.community_id}```")
              e.add_field(name: "This community's servers", value: "```#{servers}```") if servers.present?
              e.add_field(name: "New to ESM?", value: "Please check out the Getting Started guide on my website: https://www.esmbot.com/wiki")
              e.add_field(name: "Want to invite ESM to your own Discord?", value: "https://www.esmbot.com/invite")
            end

          ESM.discord_bot.deliver(embed, to: @user)
        end
      end
    end
  end
end