using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using TMPro;
using UnityEngine;

public class ChemicalStorageController : MonoBehaviour,HttpController
{
    private Transform dataView; // 显示对象
    
    private HttpRequestHandler httpRequestHandler;
    private int index = 0; // 数据下标
    private List<ChemicalStorageData> chemicalStorageDatas;
    private List<ChemicalStorageData> lastDatas; // 上一次的数据源
    private string httpUrl=HttpRequestHandler.httpIp+"/chemical/chemicalOperation/listAll";
    private string encryptText; // 加密文本
    private bool firstLoad = true;
    
    void OnEnable()
    {
        
        firstLoad = true;
        dataView = transform;
        httpRequestHandler = gameObject.AddComponent<HttpRequestHandler>();

        encryptText = AESHelper.Encrypt("/chemical/chemicalOperation/listAll");
        
        StartCoroutine(UpdateDataSource());
    }
    
    public IEnumerator UpdateDataSource()
    {
        while (true)
        {
            // 发起一个 POST 请求
            string jsonData = "{\"encryptText\":\"" + encryptText + "\"}";
            StartCoroutine(httpRequestHandler.PostRequest(httpUrl, jsonData, OnPostSuccess, OnError));
            yield return new WaitForSeconds(4f);
        }
    }
    
    // POST 请求成功回调
    private void OnPostSuccess(string response)
    {
        Debug.Log("POST Success 危化品领用归还数量: " + DateTime.Now);
        ReturnInfo<List<ChemicalStorageData>> returnInfo = JsonUtility.FromJson<ReturnInfo<List<ChemicalStorageData>>>(response);
        chemicalStorageDatas = returnInfo.data;
        if (firstLoad)
        {
            firstLoad = false;
            UpdateDataView();
        }
    }

    // 请求失败的回调
    private void OnError(string error)
    {
        Debug.LogError("Request Error: " + error);
    }

    // 更新填充数据
    private void UpdateDataView()
    {
        chemicalStorageDatas = chemicalStorageDatas.Where(obj => obj.operationType == "1" || obj.operationType == "2").ToList();
        int count = chemicalStorageDatas.Count;
        print("危化品领用归还数量:"+count);
        
        for (int i=0;i < dataView.childCount; i++)
        {
            // (index+i)%userDatas.Count()
            // 当轮播图轮动多少次时，列表的第一个数据就应该是数据源里的第多少个，用i递增过去，当超出数据源数量时使用%将多余的拿出去以获得正确的下标
            
            // 试剂名称
            dataView.GetChild(i).GetChild(0).GetChild(0).GetComponent<TextMeshProUGUI>().text =
                chemicalStorageDatas[(index+i)%count].chemicalName == "" ? "无":chemicalStorageDatas[(index+i)%count].chemicalName;
            // 时间年月日
            dataView.GetChild(i).GetChild(0).GetChild(1).GetComponent<TextMeshProUGUI>().text =
                TextFormat.DateTimeFormat(chemicalStorageDatas[(index+i)%count].createTime);
            // 时分
            dataView.GetChild(i).GetChild(0).GetChild(2).GetComponent<TextMeshProUGUI>().text =
                TextFormat.DateTimeFormat2(chemicalStorageDatas[(index+i)%count].createTime);
            // 操作人
            dataView.GetChild(i).GetChild(0).GetChild(3).GetComponent<TextMeshProUGUI>().text =
                chemicalStorageDatas[(index+i)%count].nickName == ""? "无":chemicalStorageDatas[(index+i)%count].nickName;
            // 重量
            dataView.GetChild(i).GetChild(0).GetChild(4).GetComponent<TextMeshProUGUI>().text =
                chemicalStorageDatas[(index+i)%count].weight == ""? "无":chemicalStorageDatas[(index+i)%count].weight;
            // 操作类型
            switch (chemicalStorageDatas[(index+i)%count].operationType)
            {
                case "1" : dataView.GetChild(i).GetChild(0).GetChild(5).GetComponent<TextMeshProUGUI>().text = "领取";
                    dataView.GetChild(i).GetChild(0).GetChild(5).GetComponent<TextMeshProUGUI>().color = new Color(0, 1, 0);
                    break;
                case "2" : dataView.GetChild(i).GetChild(0).GetChild(5).GetComponent<TextMeshProUGUI>().text = "归还";
                    dataView.GetChild(i).GetChild(0).GetChild(5).GetComponent<TextMeshProUGUI>().color = new Color(0, 0.7f, 1);
                    break;
            }
        }
    }

    // 更新下标
    public void UpdateIndex()
    {
        // 轮播图每次轮动下标增加，下标达到数据源数量最大值时清零
        if (chemicalStorageDatas == null)
        {
            return;
        }
        if (index<chemicalStorageDatas.Count-1)
        {
            index++;
        }
        else
        {
            index = 0;
        }
        
        
        UpdateDataView();
    }
}