package userbot

import (
	"context"
	"fmt"
	"gitea.russia9.dev/russia9/muskrat/storage"
	"gitea.russia9.dev/russia9/muskrat/types"
	"github.com/go-co-op/gocron"
	"github.com/gotd/td/session"
	"github.com/gotd/td/telegram"
	"github.com/gotd/td/telegram/message"
	"github.com/gotd/td/tg"
	"github.com/rs/zerolog/log"
	"math/rand"
	"os"
	"regexp"
	"strconv"
	"strings"
	"time"
)

type Userbot struct {
	Account   *types.Account
	Client    *telegram.Client
	Sender    *message.Sender
	SW        *message.RequestBuilder
	Closed    bool
	Scheduler *gocron.Scheduler
}

var Userbots map[int64]*Userbot

func (b *Userbot) Start(ctx context.Context) error {
	// Session
	st := session.StorageMemory{}
	err := st.StoreSession(ctx, b.Account.Session)
	if err != nil {
		return err
	}

	// Dispatcher
	dp := tg.NewUpdateDispatcher()
	dp.OnNewChannelMessage(func(c context.Context, e tg.Entities, u *tg.UpdateNewChannelMessage) error {
		m, ok := u.Message.(*tg.Message)
		if !ok {
			return nil
		}

		from, ok := m.FromID.(*tg.PeerUser)
		if !ok {
			return nil
		}

		peer, ok := m.PeerID.(*tg.PeerChannel)
		if !ok {
			return nil
		}

		reportChatID := int64(0)
		pinChatID := int64(0)
		if len(strconv.FormatInt(b.Account.ReportChat, 10)) > 4 {
			reportChatID, _ = strconv.ParseInt(strconv.FormatInt(b.Account.ReportChat, 10)[4:], 10, 64)
		}
		if len(strconv.FormatInt(b.Account.PinChat, 10)) > 4 {
			pinChatID, _ = strconv.ParseInt(strconv.FormatInt(b.Account.PinChat, 10)[4:], 10, 64)
		}

		if (peer.ChannelID == b.Account.PinChat || peer.ChannelID == pinChatID) && b.Account.Pin && rand.Intn(100) <= b.Account.PinChance {
			if from.UserID == 376592453 { // Pin
				rand.Seed(time.Now().UnixNano())
				time.Sleep(time.Duration(rand.Float64()*b.Account.PinDelay) * time.Minute)

				r := regexp.MustCompile("(⚔В атаку на |🛡Все в защиту - )([^a-zA-Z]+)")

				if !r.MatchString(m.Message) {
					return nil
				}

				_, err = b.SW.Text(context.Background(), r.FindAllStringSubmatch(m.Message, -1)[0][2])
				if err != nil {
					fmt.Println(err)
				}

				markup, ok := m.ReplyMarkup.(*tg.ReplyInlineMarkup)
				if !ok {
					return nil
				}

				callback, ok := markup.Rows[0].Buttons[0].(*tg.KeyboardButtonCallback)
				if !ok {
					return nil
				}

				_, err = b.Client.API().MessagesGetBotCallbackAnswer(context.Background(), &tg.MessagesGetBotCallbackAnswerRequest{
					Peer:  &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
					MsgID: m.ID,
					Data:  callback.Data,
				})
				if err != nil {
					fmt.Println(err, "pin")
				}

				_, err = b.Client.API().ChannelsReadHistory(context.Background(), &tg.ChannelsReadHistoryRequest{
					Channel: &tg.InputChannelFromMessage{
						Peer:      &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
						MsgID:     m.ID,
						ChannelID: peer.ChannelID,
					},
					MaxID: m.ID,
				})
				if err != nil {
					fmt.Println(err)
				}
			}

			if from.UserID == 1714476897 || from.UserID == 1806724130 || from.UserID == 613165445 || from.UserID == 739073438 || from.UserID == 629902813 {
				rand.Seed(time.Now().UnixNano())
				time.Sleep(time.Duration(rand.Float64()*b.Account.PinDelay) * time.Minute)

				markup, ok := m.ReplyMarkup.(*tg.ReplyInlineMarkup)
				if !ok {
					return nil
				}

				callback, ok := markup.Rows[0].Buttons[0].(*tg.KeyboardButtonCallback)
				if !ok {
					return nil
				}

				_, err = b.Client.API().MessagesGetBotCallbackAnswer(context.Background(), &tg.MessagesGetBotCallbackAnswerRequest{
					Peer:  &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
					MsgID: m.ID,
					Data:  callback.Data,
				})
				if err != nil {
					fmt.Println(err)
				}

				_, err = b.Client.API().ChannelsReadHistory(context.Background(), &tg.ChannelsReadHistoryRequest{
					Channel: &tg.InputChannelFromMessage{
						Peer:      &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
						MsgID:     m.ID,
						ChannelID: peer.ChannelID,
					},
					MaxID: m.ID,
				})
				if err != nil {
					fmt.Println(err)
				}
			}
		}

		if peer.ChannelID == 1109615116 { // Main Chat
			if from.UserID == 376592453 { // Informator
				if strings.HasPrefix(m.Message, "⚔️В любом мире есть противники. 🐮Быки и 🐻Медведи") { // Shark
					if b.Account.Shark {
						rand.Seed(time.Now().UnixNano())
						time.Sleep(time.Duration(rand.Float64()*b.Account.SharkDelay+2) * time.Minute)

						markup, ok := m.ReplyMarkup.(*tg.ReplyInlineMarkup)
						if !ok {
							return nil
						}

						button := 0
						if b.Account.SharkTeam {
							button = 1
						}

						callback, ok := markup.Rows[0].Buttons[button].(*tg.KeyboardButtonCallback)
						if !ok {
							return nil
						}

						_, err = b.Client.API().MessagesGetBotCallbackAnswer(context.Background(), &tg.MessagesGetBotCallbackAnswerRequest{
							Peer:  &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
							MsgID: m.ID,
							Data:  callback.Data,
						})
						if err != nil {
							fmt.Println(err)
						}

						_, err = b.Client.API().ChannelsReadHistory(context.Background(), &tg.ChannelsReadHistoryRequest{
							Channel: &tg.InputChannelFromMessage{
								Peer:      &tg.InputPeerChannel{ChannelID: peer.ChannelID, AccessHash: e.Channels[peer.ChannelID].AccessHash},
								MsgID:     m.ID,
								ChannelID: peer.ChannelID,
							},
							MaxID: m.ID,
						})
						if err != nil {
							fmt.Println(err)
						}
					}
				}
			}
		}

		if peer.ChannelID == b.Account.ReportChat || peer.ChannelID == reportChatID { // Update access hash
			if b.Account.ReportChatAccessHash != e.Channels[peer.ChannelID].AccessHash {
				b.Account.ReportChatAccessHash = e.Channels[peer.ChannelID].AccessHash
				storage.DB.Save(b.Account)
			}
		}

		return nil
	})

	dp.OnNewMessage(func(c context.Context, e tg.Entities, u *tg.UpdateNewMessage) error {
		m, ok := u.Message.(*tg.Message)
		if !ok {
			return nil
		}

		peer, ok := m.PeerID.(*tg.PeerUser)
		if !ok {
			return nil
		}

		if peer.UserID == 227859379 { // StartupWarsBot
			rand.Seed(time.Now().UnixNano())
			time.Sleep(time.Duration(rand.Float64()*5+2) * time.Second)

			if regexp.MustCompile("🎚(\\d+)").MatchString(m.Message) { // Update Profile
				self, err := b.Client.Self(context.Background())
				if err != nil {
					return err
				}

				b.Account.Name = self.FirstName + " " + self.LastName
				b.Account.Level, err = strconv.Atoi(regexp.MustCompile("🎚(\\d+)").FindAllStringSubmatch(m.Message, -1)[0][1])
				b.Account.Corp = regexp.MustCompile("\\((.)[^)]+\\)").FindAllStringSubmatch(m.Message, -1)[0][1]

				storage.DB.Save(b.Account)
			}

			if _, ok = m.Media.(*tg.MessageMediaDocument); (ok || strings.HasPrefix(m.Message, "Ты достиг нового уровня.")) && b.Account.Levelup { // Levelup
				_, err = b.SW.Text(context.Background(), "/levelup")
				if err != nil {
					return err
				}

				rand.Seed(time.Now().UnixNano())
				time.Sleep(time.Duration(rand.Float64()*5) * time.Second)

				if b.Account.LevelupSkill {
					_, err = b.SW.Text(context.Background(), "+1 🔨Практика")
					if err != nil {
						return err
					}

					rand.Seed(time.Now().UnixNano())
					time.Sleep(time.Duration(rand.Float64()*5+5) * time.Second)

					_, err = b.SW.Text(context.Background(), "+1 🐿Хитрость")
					if err != nil {
						return err
					}
				} else {
					_, err = b.SW.Text(context.Background(), "+1 🎓Теория")
					if err != nil {
						return err
					}

					rand.Seed(time.Now().UnixNano())
					time.Sleep(time.Duration(rand.Float64()*5+5) * time.Second)

					_, err = b.SW.Text(context.Background(), "+1 🐢Мудрость")
					if err != nil {
						return err
					}
				}
			}

			if b.Account.Eat { // Eat
				if regexp.MustCompile("🔋Выносливость на нуле").MatchString(m.Message) {
					_, err = b.SW.Text(context.Background(), "/to_eat")
					if err != nil {
						return err
					}
				}

				if regexp.MustCompile("🔋Выносливость: (\\d{1,3})%").MatchString(m.Message) && !strings.HasPrefix(m.Message, "🍴Меню") {
					data := regexp.MustCompile("🔋Выносливость: (\\d{1,3})%").FindAllStringSubmatch(m.Message, -1)
					if len(data[0]) >= 2 {
						stamina, err := strconv.Atoi(data[0][1])
						if err != nil {
							return err
						}

						if b.Account.Eat200 {
							if stamina < 200 {
								_, err = b.SW.Text(context.Background(), "/to_eat")
								if err != nil {
									return err
								}
							}
						} else {
							if stamina < 100 {
								_, err = b.SW.Text(context.Background(), "/to_eat")
								if err != nil {
									return err
								}
							}
						}
					}
				}

				if strings.HasPrefix(m.Message, "🍴Меню") {
					data := regexp.MustCompile("🔋Выносливость: (\\d{1,3})%").FindAllStringSubmatch(m.Message, -1)
					if len(data[0]) >= 2 {
						stamina, err := strconv.Atoi(data[0][1])
						if err != nil {
							return err
						}

						if b.Account.Eat200 {
							if stamina < 200 {
								_, err = b.SW.Text(context.Background(), b.Account.EatCommand)
								if err != nil {
									return err
								}
							}
						} else {
							if stamina < 100 {
								_, err = b.SW.Text(context.Background(), b.Account.EatCommand)
								if err != nil {
									return err
								}
							}
						}
					}
				}
			}

			if strings.Contains(m.Message, "Твои результаты в битве") && b.Account.Report { // Forward Report
				rand.Seed(time.Now().UnixNano())
				_, err = b.Client.API().MessagesForwardMessages(context.Background(), &tg.MessagesForwardMessagesRequest{
					FromPeer: &tg.InputPeerUser{UserID: 227859379},
					ID:       []int{m.ID},
					ToPeer:   &tg.InputPeerChannel{ChannelID: b.Account.ReportChat, AccessHash: b.Account.ReportChatAccessHash},
					RandomID: []int64{rand.Int63()},
				})
				if err != nil {
					return err
				}
			}

			if strings.Contains(m.Message, "Опа, тебя начал грабить") && b.Account.Sleep {
				markup, ok := m.ReplyMarkup.(*tg.ReplyInlineMarkup)
				if !ok {
					return nil
				}

				callback, ok := markup.Rows[0].Buttons[0].(*tg.KeyboardButtonCallback)
				if !ok {
					return nil
				}

				_, err = b.Client.API().MessagesGetBotCallbackAnswer(context.Background(), &tg.MessagesGetBotCallbackAnswerRequest{
					Peer:  &tg.InputPeerUser{UserID: peer.UserID, AccessHash: e.Users[peer.UserID].AccessHash},
					MsgID: m.ID,
					Data:  callback.Data,
				})
				if err != nil {
					return err
				}
			}

			if strings.Contains(m.Message, b.Account.MotivationCommand) && b.Account.MotivationCommand != "" && b.Account.MotivationKD && b.Account.Motivation {
				builder := b.Sender.Resolve("@StartupWarsBot")
				if builder != nil {
					_, err := builder.Text(context.Background(), b.Account.MotivationCommand)
					if err != nil {
						log.Error().Err(err)
					}
				}
			}

			// TODO: Sleep
			// TODO: Mobs
		}

		return nil
	})

	// Telegram Client
	appID, err := strconv.Atoi(os.Getenv("TELEGRAM_APP_ID"))
	if err != nil {
		return err
	}

	b.Client = telegram.NewClient(appID, os.Getenv("TELEGRAM_APP_HASH"), telegram.Options{
		SessionStorage: &st,
		UpdateHandler:  &dp,
	})

	go func() {
		err = b.Client.Run(context.Background(), func(c context.Context) error {
			if err != nil {
				return err
			}

			// Create Sender
			b.Sender = message.NewSender(b.Client.API())
			b.SW = b.Sender.Resolve("@StartupWarsBot")
			if b.SW == nil {
				fmt.Println("no startupwars")
				return err
			}

			_, err = b.SW.Text(context.Background(), "/compact")
			if err != nil {
				return err
			}

			// Scheduler
			location, err := time.LoadLocation("Europe/Moscow")
			if err != nil {
				return err
			}

			b.Scheduler = gocron.NewScheduler(location)

			_, err = b.Scheduler.Every(30).Minutes().Do(MotivationTask(b))
			if err != nil {
				return err
			}
			_, err = b.Scheduler.Cron("45 9-21/3 * * *").Do(EatTask(b))
			if err != nil {
				return err
			}
			_, err = b.Scheduler.Cron("15 10-22/3 * * *").Do(EatTask(b))
			if err != nil {
				return err
			}
			_, err = b.Scheduler.Cron("1 10-22/3 * * *").Do(ReportTask(b))
			if err != nil {
				return err
			}
			_, err = b.Scheduler.Cron("0 1 * * *").Do(ProfileTask(b))
			if err != nil {
				return err
			}

			b.Scheduler.StartAsync()

			for !b.Closed {
				time.Sleep(time.Second)
			}
			return nil
		})
		if err != nil {
			fmt.Println(err)
		}
	}()

	return nil
}

func (b *Userbot) Stop() error {
	b.Closed = true
	if b.Scheduler != nil {
		b.Scheduler.Stop()
	}
	return nil
}