using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using LitJson;

public class BlockInit : MonoBehaviour {
	public List<BlockInstance> blockList = new List<BlockInstance>();
	public List<TextAsset> jsonfiles;
	public Transform blockUIContent;
	public GameObject blockUIPreferb;

	void Start()
	{
		initBlockListUI();
	}

	public string ReadJson(TextAsset file) {
		return file.text;
	}
	
	//读取到的json文件转换成实体类
	public List<BlockInstance> JsonToBlockInstance(string json) {
		JsonData blockMsgArray = JsonMapper.ToObject(json);
		List<BlockInstance> blockinsts = new List<BlockInstance>();
		foreach (JsonData bjson in blockMsgArray) {
			//print(JsonMapper.ToObject<BlockInstance>(bjson).name);
			blockinsts.Add(JsonMapper.ToObject<BlockInstance>(bjson.ToJson()));
		}
		return blockinsts;
	}
	
	public void addToBlockList(List<BlockInstance> insts) {
		foreach (BlockInstance inst in insts) {
			blockList.Add(inst);
		}
	}

	public void refreshUI() {
		ClearTransfromChild(blockUIContent);
		foreach (BlockInstance block in blockList)
		{
			GameObject blockUI = Instantiate(blockUIPreferb,blockUIContent);
			blockUI.GetComponentInChildren<Text>().text = block.name;
		}
	}
	public void ClearTransfromChild(Transform group)
	{
		foreach (Transform TransformChild in group)
		{
			Destroy(TransformChild.gameObject);
		}
	}

	public void initBlockListUI() { 
		foreach(TextAsset jsonfile in jsonfiles)
        {
			List<BlockInstance> instances = JsonToBlockInstance(jsonfile.text);
			addToBlockList(instances);
		}
		refreshUI();
	}
}