# frozen_string_literal: true

require 'stream-chat/errors'

module StreamChat
  class Channel # rubocop:todo Metrics/ClassLength # rubocop:todo Style/Documentation
    attr_reader :id
    attr_reader :channel_type
    attr_reader :custom_data

    def initialize(client, channel_type, channel_id = nil, custom_data = nil)
      @channel_type = channel_type
      @id = channel_id
      @client = client
      @custom_data = custom_data
      @custom_data = {} if @custom_data.nil?
    end

    def url
      raise StreamChannelException 'channel does not have an id' if @id.nil?

      "channels/#{@channel_type}/#{@id}"
    end

    def send_message(message, user_id)
      payload = { "message": add_user_id(message, user_id) }
      @client.post("#{url}/message", data: payload)
    end

    def send_event(event, user_id)
      payload = { 'event' => add_user_id(event, user_id) }
      @client.post("#{url}/event", data: payload)
    end

    def send_reaction(message_id, reaction, user_id)
      payload = { "reaction": add_user_id(reaction, user_id) }
      @client.post("messages/#{message_id}/reaction", data: payload)
    end

    def delete_reaction(message_id, reaction_type, user_id)
      @client.delete(
        "messages/#{message_id}/reaction/#{reaction_type}",
        params: { "user_id": user_id }
      )
    end

    def create(user_id)
      @custom_data['created_by'] = { "id": user_id }
      query(watch: false, state: false, presence: false)
    end

    def query(**options)
      payload = { "state": true, "data": @custom_data }.merge(options)
      url = "channels/#{@channel_type}"
      url = "#{url}/#{@id}" unless @id.nil?

      state = @client.post("#{url}/query", data: payload)
      @id = state['channel']['id'] if @id.nil?
      state
    end

    def update(channel_data, update_message = nil)
      payload = { "data": channel_data, "message": update_message }
      @client.post(url, data: payload)
    end

    def delete
      @client.delete(url)
    end

    def truncate
      @client.post("#{url}/truncate")
    end

    def add_members(user_ids)
      @client.post(url, data: { "add_members": user_ids })
    end

    def invite_members(user_ids)
      @client.post(url, data: { "invites": user_ids })
    end

    def add_moderators(user_ids)
      @client.post(url, data: { "add_moderators": user_ids })
    end

    def remove_members(user_ids)
      @client.post(url, data: { "remove_members": user_ids })
    end

    def demote_moderators(user_ids)
      @client.post(url, data: { "demote_moderators": user_ids })
    end

    def mark_read(user_id, **options)
      payload = add_user_id(options, user_id)
      @client.post("#{url}/read", data: payload)
    end

    def get_replies(parent_id, **options)
      @client.get("messages/#{parent_id}/replies", params: options)
    end

    def get_reactions(message_id, **options)
      @client.get("messages/#{message_id}/reactions", params: options)
    end

    def ban_user(user_id, **options)
      @client.ban_user(user_id, type: @channel_type, id: @id, **options)
    end

    def unban_user(user_id)
      @client.unban_user(user_id, type: @channel_type, id: @id)
    end

    def hide(user_id)
      @client.post("#{url}/hide", data: { user_id: user_id })
    end

    def show(user_id)
      @client.post("#{url}/show", data: { user_id: user_id })
    end

    def send_file(url, user, content_type = nil)
      @client.send_file("#{self.url}/file", url, user, content_type)
    end

    def send_image(url, user, content_type = nil)
      @client.send_file("#{self.url}/image", url, user, content_type)
    end

    def delete_file(url)
      @client.delete("#{self.url}/file", params: { "url": url })
    end

    def delete_image(url)
      @client.delete("#{self.url}/image", params: { "url": url })
    end

    private

    def add_user_id(payload, user_id)
      payload.merge({ "user": { "id": user_id } })
    end
  end
end