using System;
using System.Collections.Generic;
using MedievalParty.Entity;
using MedievalParty.Entity.AI;
using MedievalParty.Entity.Player;
using UnityEngine;

namespace MedievalParty.Core.Game
{
    public class GameManager_SpawningEntityState: IState
    {
        private readonly PlayerObject _playerPrefab;
        private readonly AIObject _AIPrefab;
        private readonly List<Transform> _spawningPositions;
        private readonly EntityListSO _entityList;
        private readonly Action _onSpawnCompleted;

        public GameManager_SpawningEntityState(PlayerObject playerPrefab, AIObject aiPrefab, List<Transform> spawningPositions, EntityListSO entityList, Action onSpawnCompleted)
        {
            _playerPrefab = playerPrefab;
            _AIPrefab = aiPrefab;
            _spawningPositions = spawningPositions;
            _entityList = entityList;
            _onSpawnCompleted = onSpawnCompleted;
        }

        public void OnEnter()
        {
            CreateEntity(_playerPrefab, _spawningPositions[0].position, _entityList.Characters[0]);
            for (int i = 1; i < _spawningPositions.Count; i++)
                CreateEntity(_AIPrefab, _spawningPositions[i].position, _entityList.Characters[i]);

            _onSpawnCompleted();
        }

        public void OnExit() { }
        public void OnUpdate() { }

        private void CreateEntity(EntityObject prefab, Vector3 spawn, EntitySO entity)
        {
            EntityObject obj = GameObject.Instantiate(prefab, spawn, Quaternion.identity);
            obj.SetCharacter(entity);
        }
    }
}