using System;
using System.Collections.Generic;
using AibisDream.Framework;
using AibisDream.Utility;
using UnityEngine;
using UnityEngine.UI;

namespace AibisDream
{
    public class BlockShapeRack : MonoBehaviour, IBlockShapeFactory
    {
        [SerializeField] private Transform shapeRoot;
        [SerializeField] private ScrollRect scrollRect;
        [SerializeField] private RackDataInfo[] blockShapeDataList;
        private Dictionary<string, ShapeCreateButton> buttonDict;
        private GameObject _shapeCreateButtonPrefab;

        private void Awake()
        {
            InitPrefab();
            InitShapeButtons();
        }

        private void InitPrefab()
        {
            _shapeCreateButtonPrefab = ResourceKit.LoadAssetSync<GameObject>(ConstRef.ShapeCreateButtonPrefab);
            _blockShapePrefab = ResourceKit.LoadAssetSync<GameObject>(ConstRef.BlockShapePrefab);
        }

        private void InitShapeButtons()
        {
            buttonDict = new Dictionary<string, ShapeCreateButton>();
            foreach (var blockShapeData in blockShapeDataList)
            {
                var button = Instantiate(_shapeCreateButtonPrefab, scrollRect.content).GetComponent<ShapeCreateButton>();
                button.SetButtonInfo(blockShapeData.key, blockShapeData.count);
                button.OnClick += CreateShapeByButton;
                buttonDict.Add(blockShapeData.key, button);
            }
        }

        private void CreateShapeByButton(string key)
        {
            // 获取配置信息
            if (!BlockPuzzleKit.TryLoadBlockShapeData(key, out var blockShapeData))
            {
                Debug.LogError($"获取配置信息失败: {key}");
                return;
            }

            // 创建形状并开始拖拽
            var blockShape = CreateBlockShape(blockShapeData);
            blockShape.ShapeDragger.StartDrag();
        }

        public void RecycleBlockShape(BlockShape blockShape)
        {
            // 将数据加回对象池
            if (buttonDict.TryGetValue(blockShape.ShapeName, out var oldButton))
            {
                oldButton.AddCount();
            }
            else
            {
                // 创建新的按钮
                var button = Instantiate(_shapeCreateButtonPrefab, scrollRect.content).GetComponent<ShapeCreateButton>();
                button.SetButtonInfo(blockShape.ShapeName, 1);
                button.OnClick += CreateShapeByButton;
                buttonDict.Add(blockShape.ShapeName, button);
            }
            // 销毁物体
            Destroy(blockShape.gameObject);
        }


        // ------------------------------ 图形工厂类实现 ------------------------------

        private GameObject _blockShapePrefab;

        public BlockShape CreateBlockShape(BlockShapeData blockShapeData)
        {
            var blockShape = Instantiate(_blockShapePrefab, shapeRoot).GetComponent<BlockShape>();
            blockShape.Init(blockShapeData);
            return blockShape;
        }

        [Serializable]
        public struct RackDataInfo
        {
            public string key;
            public int count;
        }
    }
}