package go_bot_state

import (
	"fmt"
	"log"
	"net/http"
	"strconv"

	tgbot "github.com/go-telegram-bot-api/telegram-bot-api"
	"golang.org/x/exp/slices"

	"valera/internal/db"
	"valera/internal/states"
)

var names = []string{
	"/go",
	"/го",
}

var (
	workoutTypes = []string{
		"Бицепс",
		"Пресс",
		"Отжимания",
		"Подтягивания",
		"Приседания",
	}
)

type goBotState struct {
	bot      *tgbot.BotAPI
	dataBase *db.DB
}

func NewGoBotState(bot *tgbot.BotAPI, dataBase *db.DB) states.BotState {
	return &goBotState{
		bot:      bot,
		dataBase: dataBase,
	}
}

func (s *goBotState) Do(text string, chatInfo *db.ChatInfo) error {
	if chatInfo.Status == string(db.UserStateGo) {
		if err := s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserState(text)); err != nil {
			log.Println(err)
		}
		msg := tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("%s, отпишись сколько раз ты выполнил упражнение", text))
		msg.ReplyMarkup = tgbot.NewRemoveKeyboard(false)
		_, _ = s.bot.Send(msg)
		return nil
	}

	isWorkout := false
	for _, workoutType := range workoutTypes {
		if chatInfo.GetStatus() == db.UserState(workoutType) {
			count, err := strconv.Atoi(text)
			if err != nil {
				log.Println(err)
				continue
			}
			if err := s.dataBase.AddWorkout(chatInfo.ChatID, db.NewWorkout(workoutType, count, chatInfo.Username)); err != nil {
				log.Println(err)
				continue
			}
			msgText := fmt.Sprintf("Отлично, %s, записал.", text)
			if count <= 0 {
				msgText = "Плохо, хочешь быть толстым и не красивым?"
			}
			_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, msgText))
			if err := s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone); err != nil {
				log.Println(err)
			}
			isWorkout = true
			break
		}
	}
	if isWorkout {
		return nil
	}

	if !slices.Contains(names, text) {
		return nil
	}

	s.sendGoToChat(chatInfo.ChatID)
	return nil
}

func (s *goBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
	return names[0], func(w http.ResponseWriter, r *http.Request) {
		chats, err := s.dataBase.GetAllChats()
		if err != nil {
			w.Header().Add("Content-Type", "application/json")
			w.WriteHeader(http.StatusInternalServerError)
			_, _ = fmt.Fprintf(w, `{"result":"error"}`)
			return
		}
		for _, chatID := range chats {
			s.sendGoToChat(chatID)
		}
		w.Header().Add("Content-Type", "application/json")
		w.WriteHeader(http.StatusOK)
		_, _ = fmt.Fprintf(w, `{"result":"ok"}`)
	}
}

func (s *goBotState) sendGoToChat(chatID int64) {
	msg := tgbot.NewMessage(chatID, "Давай немного разомнемся, выбирай:")
	rows := make([][]tgbot.KeyboardButton, 0, len(workoutTypes))
	for _, workoutType := range workoutTypes {
		rows = append(rows, tgbot.NewKeyboardButtonRow(tgbot.NewKeyboardButton(workoutType)))
	}
	msg.ReplyMarkup = tgbot.NewReplyKeyboard(rows...)
	if _, err := s.bot.Send(msg); err == nil {
		if err := s.dataBase.SetStatusToChat(chatID, db.UserStateGo); err != nil {
			log.Println(err)
		}
	}
}