package channels

import (
	"fmt"
	"git.dragon-labs.de/alphyron/group_helper/logic"
	"git.dragon-labs.de/alphyron/group_helper/message"
	"git.dragon-labs.de/alphyron/group_helper/models"
	"git.dragon-labs.de/alphyron/group_helper/obj"
	tgbotapi "github.com/go-telegram-bot-api/telegram-bot-api"
	"log"
	"strconv"
	"time"
)

func CheckUnverifiedUser(ticker *time.Ticker, quitChannel <-chan struct{}, groupHelperService logic.GroupHelperService, bot *tgbotapi.BotAPI, data *obj.VerifyData) {
	for {
		select {
		case <-ticker.C:

			deleteVerifyUser := make([]*obj.VerifyUser, 0)

			groups := make(map[int64]*models.Group, 0)
			users := make(map[int]*models.User, 0)

			for _, user := range data.Users {
				user.LeftTime -= 1
				log.Println(fmt.Sprintf("Verify checker: (%d/%d/%d)", user.GroupID, user.UserID, user.LeftTime))

				if user.LeftTime <= 0 {
					log.Println(len(data.Users))

					if _, ok := groups[user.GroupID]; !ok {
						group, err := groupHelperService.GetGroupByID(user.GroupID)

						if err != nil {
							log.Println("Error while getting the Group in the verifychecker for id " + strconv.FormatInt(user.GroupID, 10))
							log.Println(err)
							continue
						}

						groups[user.GroupID] = group
					}

					if _, ok := users[user.UserID]; !ok {
						user_db, err := groupHelperService.GetUserByID(int64(user.UserID))

						if err != nil {
							log.Println("Error while getting the User in the verifychecker for id " + strconv.Itoa(user.UserID))
							log.Println(err)
							continue
						}

						users[user.UserID] = user_db
					}

					userconfig := tgbotapi.ChatConfigWithUser{
						ChatID: user.GroupID,
						UserID: user.UserID,
					}

					member, _ := bot.GetChatMember(userconfig)
					deleteVerifyUser = append(deleteVerifyUser, user)
					_, err := groupHelperService.UserLeaveGroup(users[user.UserID], groups[user.GroupID])

					if err != nil {
						log.Printf("Error while removing the user from group in db in the verifier (user/group) (%d/%d)", user.UserID, user.GroupID)
						log.Println(err)
					}

					if member.HasLeft() {
						bot.DeleteMessage(tgbotapi.DeleteMessageConfig{
							ChatID:    user.GroupID,
							MessageID: user.MessageID,
						})
						continue
					}

					kickMessage := groups[user.GroupID].UserKickMessage
					kickMessage = message.ReplaceMessage(kickMessage, member.User, groups[user.GroupID])

					_, err = bot.DeleteMessage(tgbotapi.DeleteMessageConfig{
						ChatID:    user.GroupID,
						MessageID: user.MessageID,
					})

					if err != nil {
						log.Println("problem while deleting a message in the verifier:")
						log.Println(err)
					} else {
						msg := tgbotapi.NewMessage(user.GroupID, kickMessage)
						msg.ParseMode = "Markdown"
						_, err = bot.Send(msg)

						if err != nil {
							log.Println("problem while send a message in the verifier:")
							log.Printf("Problem Error Message: %v", err)
						}
					}

					kickConfig := tgbotapi.KickChatMemberConfig{
						ChatMemberConfig: tgbotapi.ChatMemberConfig{
							UserID: user.UserID,
							ChatID: user.GroupID,
						},
					}
					res, _ := bot.KickChatMember(kickConfig)
					if !res.Ok {
						msg := tgbotapi.NewMessage(user.GroupID, "I can't kick @"+member.User.UserName+"\nReason:\n"+res.Description)
						msg.ParseMode = "Markdown"
						_, err = bot.Send(msg)

						if err != nil {
							log.Println("problem while send a message in the verifier:")
							log.Printf("Problem Error Message: %v", err)
						}
					}

				}
			}

			for _, user := range deleteVerifyUser {
				data.RemoveUser(user.UserID, user.GroupID)
			}

		case <-quitChannel:
			ticker.Stop()
			log.Println("ERROR - VerifyChecker channel stopped!!!")
			return
		}
	}
}