using System;
using System.Collections.Generic;
using UnityEngine;
using DungeonMapGenerator;
using Unity.VisualScripting;
using UnityEditor;
using Object = UnityEngine.Object;


namespace DungeonGenerator
{
    public class DungeonMapLoader
    {
        private const string ROOMS_PARENT = "RoomsParent";
        private const string MONSTER_ROOM = "Rooms\\MonsterRoom";
        private const string BOSS_ROOM = "Rooms\\BossRoom";
        private const string NORMAL_ROOM = "Rooms\\Room";

        
        private Dictionary<int, GameObject> _roomIdToGameObject = new Dictionary<int, GameObject>();

        public void AddDungeonRoomsToGameObject(GameObject gameObject, string pathToDungeonFile)
        {
            DungeonMap map = DungeonMapSerializer.DeserializeFromFile(pathToDungeonFile);
            GameObject bossRoomPrefab = Resources.Load<GameObject>(BOSS_ROOM);
            GameObject monsterRoomPrefab = Resources.Load<GameObject>(MONSTER_ROOM);
            GameObject normalRoomPrefab = Resources.Load<GameObject>(NORMAL_ROOM);
            
            GameObject bossRoomGO = PrefabUtility.InstantiatePrefab(bossRoomPrefab, gameObject.transform) as GameObject;
            bossRoomGO.transform.position = ConvertToUnityPosition(map.GetBossRoom().GetCenterOfRoom(), map.Width, map.Height);
            AddLockToRoomObject(bossRoomGO, map.GetBossRoom().Lock.GetLock());
            foreach (DungeonMapGenerator.Lock extraLock in map.GetBossRoom().ExtraLocks)
            {
                AddLockToRoomObject(bossRoomGO, extraLock.GetLock());
            }
            _roomIdToGameObject[map.GetBossRoom().Id] = bossRoomGO;
            
            foreach (var monsterRoom in map.GetMonsterRooms())
            {
                GameObject monsterRoomGO = PrefabUtility.InstantiatePrefab(monsterRoomPrefab, gameObject.transform) as GameObject;
                monsterRoomGO.transform.position = ConvertToUnityPosition(monsterRoom.GetCenterOfRoom(), map.Width, map.Height);
                AddLockToRoomObject(monsterRoomGO, monsterRoom.Lock.GetLock());
                foreach (DungeonMapGenerator.Lock extraLock in monsterRoom.ExtraLocks)
                {
                    AddLockToRoomObject(monsterRoomGO, extraLock.GetLock());
                }
                _roomIdToGameObject[monsterRoom.Id] = monsterRoomGO;
            }

            foreach (var normalRoom in map.GetNormalRooms())
            {
                GameObject normalRoomGO = PrefabUtility.InstantiatePrefab(normalRoomPrefab, gameObject.transform) as GameObject;
                normalRoomGO.transform.position = ConvertToUnityPosition(normalRoom.GetCenterOfRoom(), map.Width, map.Height);
                AddLockToRoomObject(normalRoomGO, normalRoom.Lock.GetLock());
                _roomIdToGameObject[normalRoom.Id] = normalRoomGO;
            }

            foreach (var entranceRoom in map.GetEntranceRooms())
            {
                GameObject entranceRoomGO = PrefabUtility.InstantiatePrefab(normalRoomPrefab, gameObject.transform) as GameObject;
                entranceRoomGO.transform.position = ConvertToUnityPosition(entranceRoom.GetCenterOfRoom(), map.Width, map.Height);
                entranceRoomGO.GetComponent<Room>().IsEntrance = true;
                AddLockToRoomObject(entranceRoomGO, entranceRoom.Lock.GetLock());
                _roomIdToGameObject[entranceRoom.Id] = entranceRoomGO;
            }

            foreach (var mapRoom in map.GetAllRooms())
            {
                HashSet<int> adjacentRoomsIds = mapRoom.GetAdjacentRoomIds();
                Room roomComponent = _roomIdToGameObject[mapRoom.Id].GetComponent<Room>();
                foreach (var id in adjacentRoomsIds)
                {
                    roomComponent.AdjacentRooms.Add(_roomIdToGameObject[id]);
                }
            }
        }

        private Vector3 ConvertToUnityPosition(Point dungeonPosition, int mapWidth, int mapHeight)
        {
            float newX = (dungeonPosition.X - (mapWidth / 2f)) / 2;
            float newY = -(dungeonPosition.Y - (mapHeight / 2f)) / 2;

            return new Vector3(newX, newY, 0f);
        }

        private void AddLockToRoomObject(GameObject room, string lockString)
        {
            NumberLock _lock;
            switch (lockString)
            {
                case "2":
                case "3":
                case "4":
                case "5":
                case "6":
                case "7":
                case "8":
                case "9":
                case "10":
                case "11":
                case "12":
                    _lock = room.AddComponent<NumberLock>();
                    _lock.SetNumber(Int32.Parse(lockString));
                    break;
                case "=":
                    room.AddComponent<MatchingDiceLock>();
                    break;
                case null:
                    Debug.Log("Lock for room was null when imported. Using 1 as lock");
                    _lock = room.AddComponent<NumberLock>();
                    _lock.SetNumber(1);
                    break;
            }
        }
    }
}