package eat_bot_state

import (
	"fmt"
	"log"
	"net/http"
	"valera/internal/db"
	"valera/internal/states"

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

var names = []string{
	"/eat",
}

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

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

func (s *eatBotState) Do(text string, chatInfo *db.ChatInfo, username string) error {
	if chatInfo.Status == string(db.UserStateEat) {
		count, err := calcCalories(text)
		if err != nil {
			log.Println(err)
			return nil
		}
		if err := s.dataBase.AddCalories(chatInfo.ChatID, db.NewCalories(count, username)); err != nil {
			log.Println(err)
			return nil
		}
		if count <= 0 {
			_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, "Все фигня, давай по новой"))
			return nil
		}
		_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, fmt.Sprintf("Калории, фу, %d, записал.", count)))
		return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateNone)
	}

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

	_, _ = s.bot.Send(tgbot.NewMessage(chatInfo.ChatID, "Вижу ты поел, отпишись сколько калорий было"))
	return s.dataBase.SetStatusToChat(chatInfo.ChatID, db.UserStateEat)
}

func (s *eatBotState) GetHandler() (string, func(http.ResponseWriter, *http.Request)) {
	return names[0], func(w http.ResponseWriter, r *http.Request) {
		w.WriteHeader(http.StatusInternalServerError)
	}
}