package crons

import (
	"context"
	"gralias/repos"
	"log/slog"
	"time"
)

type CronManager struct {
	repo repos.AllRepos
	log  *slog.Logger
}

func NewCronManager(repo repos.AllRepos, log *slog.Logger) *CronManager {
	return &CronManager{
		repo: repo,
		log:  log,
	}
}

func (cm *CronManager) Start() {
	ticker := time.NewTicker(30 * time.Second)
	go func() {
		for range ticker.C {
			cm.CleanupRooms()
		}
	}()
}

func (cm *CronManager) CleanupRooms() {
	ctx := context.Background()
	rooms, err := cm.repo.RoomList(ctx)
	if err != nil {
		cm.log.Error("failed to get rooms list", "err", err)
		return
	}
	for _, room := range rooms {
		players, err := cm.repo.PlayerListByRoom(ctx, room.ID)
		if err != nil {
			cm.log.Error("failed to get players for room", "room_id", room.ID, "err", err)
			continue
		}
		if len(players) == 0 {
			cm.log.Info("deleting empty room", "room_id", room.ID)
			if err := cm.repo.RoomDeleteByID(ctx, room.ID); err != nil {
				cm.log.Error("failed to delete empty room", "room_id", room.ID, "err", err)
			}
			continue
		}
		creatorInRoom := false
		for _, player := range players {
			if player.Username == room.CreatorName {
				creatorInRoom = true
				break
			}
		}
		if !creatorInRoom {
			cm.log.Info("deleting room because creator left", "room_id", room.ID)
			for _, player := range players {
				if player.IsBot {
					if err := cm.repo.PlayerDelete(ctx, room.ID, player.Username); err != nil {
						cm.log.Error("failed to delete bot player", "room_id", room.ID, "username", player.Username, "err", err)
					}
				} else {
					if err := cm.repo.PlayerExitRoom(ctx, player.Username); err != nil {
						cm.log.Error("failed to update player room", "room_id", room.ID, "username", player.Username, "err", err)
					}
				}
			}
			if err := cm.repo.RoomDeleteByID(ctx, room.ID); err != nil {
				cm.log.Error("failed to delete room after creator left", "room_id", room.ID, "err", err)
			}
		}
	}
}