using System;
using System.Collections;
using System.Collections.Generic;
using System.Threading.Tasks;
using Bitsplash.DatePicker;
using UnityEngine;
using UnityEngine.UI;
using XCharts.Runtime;

public class WaterTrendPanel : MonoBehaviour
{
    public LineChart _LineChart;
    public Text nameText;
    public GameObject listItemOri;
    public List<GameObject> listObj = new List<GameObject>();
    public Button closeButton;
    public string currentStcd;
    public Transform listRoot;

    public DatePickerDropDownTextMeshPro DatePicker_Start;
    public DatePickerDropDownTextMeshPro DatePicker_End;

    public string startDateStr="";
    public string endDateStr="";

    private void Start()
    {
        DatePicker_Start = this.transform.Find("DatePicker_Start").GetComponent<DatePickerDropDownTextMeshPro>();
        DatePicker_End = this.transform.Find("DatePicker_End").GetComponent<DatePickerDropDownTextMeshPro>();
        DatePicker_Start.GetDateString += (string dateStr) =>
        {
            startDateStr = dateStr;
            CheckDate();
        };
        DatePicker_End.GetDateString += (string dateStr) =>
        {
            endDateStr = dateStr;
            CheckDate();
        };
    }

    public void Init()
    {
        _LineChart = this.transform.Find("LineChart").GetComponent<LineChart>();
        listRoot = this.transform.Find("ScrollView/Viewport/Content").transform;
        closeButton = this.transform.Find("CloseButton").GetComponent<Button>();
        nameText = this.transform.Find("nameText").GetComponent<Text>();
        closeButton.onClick.AddListener(() => { Hide(); });
    }

    public void CheckDate()
    {
        if (!startDateStr.Equals("") && !endDateStr.Equals(""))
        {
           var startD=DateTime.ParseExact(startDateStr,"yyyy-MM-dd",null);
           var endD= DateTime.ParseExact(endDateStr,"yyyy-MM-dd",null);
           var disD = endD - startD;
           Debug.Log(disD.TotalDays);
           if (disD.TotalDays > 180)
           {
               Debug.Log("时间间隔大于6个月");
           }
        }
    }
    
    public async Task Show(string stcd, string name)
    {
        currentStcd = stcd;
        name = name.Replace(" ", "");
        nameText.text = $"{name}站点水位趋势";
        this.gameObject.SetActive(true);
        string chartJsonStr = await HttpHelper._Instance.GetWaterTrend_Chart(stcd);
        SetChartLine(chartJsonStr);
        string listJsonStr = await HttpHelper._Instance.GetWaterTrend_List(stcd);
        StartCoroutine(CreatList(listJsonStr));
    }

    public void Hide()
    {
        this.gameObject.SetActive(false);
    }

    public void SetChartLine(string jsonData)
    {
        Debug.Log(jsonData);
        WaterTrendData_Chart tempData = Newtonsoft.Json.JsonConvert.DeserializeObject<WaterTrendData_Chart>(jsonData);
        XAxis tempXaxis = _LineChart.GetChartComponent<XAxis>();
        tempXaxis.data.Clear();
        for (int i = 0; i < tempData.data.Count; i++)
        {
            tempXaxis.AddData(tempData.data[i].key);
        }

        var tempSeries = _LineChart.series;
        SerieData[] tempDatas = new SerieData[tempData.data.Count];
        for (int i = 0; i < tempDatas.Length; i++)
        {
            tempDatas[i] = new SerieData();
            tempDatas[i].data = new List<double>();
            tempDatas[i].data.Add(i);
            tempDatas[i].data.Add(float.Parse(tempData.data[i].value));
        }

        tempSeries[0].data.Clear();
        tempSeries[0].data.AddRange(tempDatas);
    }

    IEnumerator CreatList(string jsonData)
    {
        Debug.Log(jsonData);
        var wait = new WaitForEndOfFrame();
        WaterTrendData_List tempData = Newtonsoft.Json.JsonConvert.DeserializeObject<WaterTrendData_List>(jsonData);

        if (listObj.Count > 0)
        {
            GameObject[] deleteObjs = listObj.ToArray();
            for (int i = 0; i < deleteObjs.Length; i++)
            {
                Destroy(deleteObjs[i]);
            }
        }

        listObj.Clear();
        int creatCount = 0;
        float lastWaterValue = 0;
        for (int i = 0; i < tempData.data.Count; i++)
        {
            GameObject tempObj = Instantiate(listItemOri, listRoot);
            tempObj.transform.Find("id").GetComponent<Text>().text = $"{i + 1}";
            tempObj.transform.Find("time").GetComponent<Text>().text = $"{tempData.data[i].updateTime}";
            tempObj.transform.Find("value").GetComponent<Text>().text = $"{tempData.data[i].dwz}";
            string dirStr = "-";
            if (i == 0)
            {
                dirStr = "→";
                lastWaterValue = float.Parse(tempData.data[i].dwz);
            }
            else
            {
                float currentWaterValue = float.Parse(tempData.data[i].dwz);
                if (currentWaterValue > lastWaterValue)
                {
                    dirStr = "↑";
                }
                else if (currentWaterValue < lastWaterValue)
                {
                    dirStr = "↓";
                }
                else
                {
                    dirStr = "→";
                }

                lastWaterValue = currentWaterValue;
            }

            tempObj.transform.Find("trend").GetComponent<Text>().text = $"{dirStr}";
            listObj.Add(tempObj);
            creatCount++;
            if (creatCount >= 10)
            {
                creatCount = 0;
                yield return wait;
            }
        }
    }
}

[Serializable]
public class WaterTrendData_Chart
{
    public List<WaterCharData> data;
}

[Serializable]
public class WaterCharData
{
    public string key;
    public string value;
}

[Serializable]
public class WaterTrendData_List
{
    public List<WaterTrendData> data;
}

[Serializable]
public class WaterTrendData
{
    public string updateTime;
    public string dwz;
}