using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.VFX;
using static GridSelector;

///格子信息 - 绿色块
///功能：加载格子数据，重新计算格子，显示格子，隐藏格子
public class UICellInfo : MonoBehaviour
{
    public static UICellInfo Instance;
    public Text txtMapWidth;
    public Text txtMapHeight;
    public Text txtTotalCells;
    public Text txtMoveCells;
    public InputField txtCellRows;
    public InputField txtCellCols;
    public InputField txtCellWidth;
    public InputField txtCellHeight;

    public bool bMapOpened;
    public Text txtSelectInfo;

    private void Awake()
    {
        Instance = this;
    }
    private void Start()
    {
        Cleanup();
    }

    void Cleanup()
    {
        txtMapWidth.text = string.Empty;
        txtMapHeight.text = string.Empty;
        txtTotalCells.text = string.Empty;
        txtMoveCells.text = string.Empty;
        txtCellRows.text = string.Empty;
        txtCellCols.text = string.Empty;

        txtCellWidth.text = string.Empty;
        txtCellHeight.text = string.Empty;
        bMapOpened = false;
    }

    public void CloseMap()
    {
        Cleanup();
        UIWindow.Instance.uiCellEditor.togEdit.isOn = false;
        UIWindow.Instance.uiCellEditor.togPathTest.isOn = false;
    }
    public void ShowCells()
    {
        MapManager.Instance.ShowMapGrid();
    }

    public void HideCells()
    {
        MapManager.Instance.HideMapGrid();
    }
    public void ShowMapCellInfo()
    {
        if (MapManager.Instance.map == null || MapManager.Instance.map.selector == null)
            return;
        if(MapManager.Instance._curMapRegions == null) return;
        txtMapWidth.text = MapManager.Instance._curMapRegions.regionRowNum.ToString();
        txtMapHeight.text = MapManager.Instance._curMapRegions.regionColNum.ToString();
        txtCellRows.text = MapManager.Instance.map.selector.horizontalNumber.ToString();
        txtCellCols.text = MapManager.Instance.map.selector.verticalNumber.ToString();
        txtTotalCells.text = MapManager.Instance.map.selector.totalNumber.ToString();
        txtCellWidth.text = MapManager.widthPixel.ToString();
        txtCellHeight.text = MapManager.heightPixel.ToString();
        txtMoveCells.text = MapManager.Instance.map.selector.moveNum.ToString();
    }
    /// <summary>
    /// 加载格子
    /// </summary>
    public void LoadCell()
    {
        MapManager.Instance.LoadMapObs(MapManager.Instance._curOpenMapId);
        ShowMapCellInfo();
    }
    /// <summary>
    /// 重新计算格子
    /// </summary>
    public void ReCalculateCell()
    {
        int oldhorizontalNumber = MapManager.Instance.map?.selector?.horizontalNumber ?? 0;
        int oldverticalNumber = MapManager.Instance.map?.selector?.verticalNumber ?? 0;
        var oldRendData = MapManager.Instance.map?.selector?.GetGridData();
        int width = int.Parse(txtCellRows.text);
        int height = int.Parse(txtCellCols.text);
        float cellW = int.Parse(txtCellWidth.text) / 100.0f;
        float cellH = int.Parse(txtCellHeight.text) / 100.0f;
        MapManager.Instance.GenerateMap(MapManager.Instance._curOpenMapId,width * cellW, height * cellH, cellW, cellH);
        var newRendData = MapManager.Instance.map?.selector?.GetGridData();
        for (int i = 0; i < MapManager.Instance.map?.selector.horizontalNumber; i++)
        {
            for (int j = 0; j < MapManager.Instance.map?.selector.verticalNumber; j++)
            {
                if (i < oldhorizontalNumber && j < oldverticalNumber)
                {
                    int oldindex = i + j * oldhorizontalNumber;
                    //取出老的数据
                    int index = MapManager.Instance.map.selector.GetIndexByXY(i, j);
                    newRendData[index] = oldRendData[oldindex];
                }
                else {//新格子
                    int index = MapManager.Instance.map.selector.GetIndexByXY(i, j);
                    newRendData[index] = new RenderData();
                    newRendData[index].barrier = (int)CellType.Obstacle;

                }
            }
        }
        MapManager.Instance.map.selector.RefreshPlaneRender();
        ShowMapCellInfo();
    }
    public void Update()
    {
        bool isOpen = false;
        do {
            if (MapManager.Instance.map == null) break;
            if (MapManager.Instance.map.selector == null) break;
            if (MapManager.Instance.map.selector.selectedGridIndex.Count == 1)
            {
                int beginIndex = MapManager.Instance.map.selector.selectedGridIndex[0];
                MapManager.Instance.map.selector.GetXyByIndex(beginIndex, out int x, out int y);
                txtSelectInfo.text = string.Format("所选点:{0},{1} 信息:{2}", x, y, CellTypeColors.GetAreaStr((MapManager.Instance.map.selector.dataArray[beginIndex].barrier)));
                isOpen = true;
            }
        } while (false);
        txtSelectInfo.transform.parent.gameObject.SetActive(isOpen);
    }
}