// Fantasy World Zookeeper Helper Bot
// Copyright (c) 2018-2019 Vladimir "fat0troll" Hodakov

package announcesv1

import (
	tdlib "github.com/Arman92/go-tdlib"
	"strings"
)

func fwMessagesFilter(msg *tdlib.TdMessage) bool {
	updateMsg := (*msg).(*tdlib.UpdateNewMessage)
	// We need only messages, created by @FWorldBot
	return updateMsg.Message.ViaBotUserID == 6.74929718e+08
}

// ZookeeperReceiver adds announcement functionality to bot
func ZookeeperReceiver(client *tdlib.Client) {
	// Where to send announces
	announcerID := int64(665790161)
	log.Debug().Msg("Adding receiver for @FWorldBot messages...")
	// Here we can add a receiver to retreive any message type we want
	// We like to get UpdateNewMessage events and with a specific FilterFunc
	receiver := client.AddEventReceiver(&tdlib.UpdateNewMessage{}, fwMessagesFilter, 5)
	log.Debug().Msg("Receiver added")

	go func() {
		for newMsg := range receiver.Chan {
			updateMsg := (newMsg).(*tdlib.UpdateNewMessage)
			// Check if message text contains needed battle data
			msgText := updateMsg.Message.Content.(*tdlib.MessageText)
			if strings.HasPrefix(msgText.Text.Text, "Я встретил") {
				log.Debug().Msgf("%s", msgText.Text.Text)
				battleType := ""
				battleTag := ""
				if strings.Contains(msgText.Text.Text, "Огров") {
					battleType = "Огры!"
				}
				if strings.Contains(msgText.Text.Text, "Буйволов") {
					battleType = "Буйволы!"
				}
				if strings.Contains(msgText.Text.Text, "Кабанов") {
					battleType = "Кабаны!"
				}
				switch updateMsg.Message.ReplyMarkup.(type) {
				case *tdlib.ReplyMarkupInlineKeyboard:
					keyboard := updateMsg.Message.ReplyMarkup.(*tdlib.ReplyMarkupInlineKeyboard)
					if len(keyboard.Rows) > 0 {
						if len(keyboard.Rows[0]) > 0 {
							button := keyboard.Rows[0][0]
							switch button.Type.(type) {
							case *tdlib.InlineKeyboardButtonTypeSwitchInline:
								buttonQuery := button.Type.(*tdlib.InlineKeyboardButtonTypeSwitchInline)
								battleTag = string(buttonQuery.Query)
							default:
								log.Error().Msg("Invalid button type")
							}
						}
					}
				default:
					log.Error().Msg("Invalid keyboard type")
				}
				log.Debug().Msgf("Battle type: %s", battleType)
				log.Debug().Msgf("Battle tag: %s", battleTag)

				replyText := battleType + " " + battleTag

				reply := tdlib.NewInputMessageText(tdlib.NewFormattedText(replyText, nil), true, true)
				_, err := client.SendMessage(announcerID, 0, false, true, nil, reply)
				if err != nil {
					log.Error().Err(err)
				}
			}
		}
	}()
}