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

///最上面
///功能：扫描地图、打开地图、关闭地图、放弃设置
public class UIMapPanel : MonoBehaviour
{
    public List<string> allMaps = new List<string>();
    public Dropdown dropMap;
    private int _curOpenMapId;
    private bool _saving;

    public int CurOpenMapId => _curOpenMapId;

    // Start is called before the first frame update
    void Start()
    {
        _saving = false;
        _curOpenMapId = -1;

        UIWindow.Instance.uiCreateMap.onCreatedMapCallback += OnCreatedMap;
    }

    void OnDataLoaded()
    {
        string[] AllFilePath = Directory.GetDirectories(Application.dataPath + "/GameAssets/Maps");
        for (int i = 0; i < AllFilePath.Length; i++)
        {
            string[] pathSplit = AllFilePath[i].Split('/');
            string[] pathSplit2 = pathSplit[pathSplit.Length - 1].Split('\\');
            allMaps.Add(pathSplit2[pathSplit2.Length - 1]);
        }
    }

    public void ScanMap()
    {
        allMaps.Clear();

        OnDataLoaded();

        dropMap.options.Clear();

        for (int i=0; i<allMaps.Count; i++)
        {
            Dropdown.OptionData od = new Dropdown.OptionData();
            od.text = allMaps[i];
            dropMap.options.Add(od);
        }

        dropMap.value = 1;
        dropMap.value = 0;  //为了默认选中第一项
    }

    private void OnCreatedMap(int mapId, int mapWidth, int mapHeight)
    {
        ScanMap();
        allMaps.Add(mapId.ToString());
        Dropdown.OptionData od = new Dropdown.OptionData();
        od.text = mapId.ToString();
        dropMap.options.Add(od);
        dropMap.value = dropMap.options.Count - 1;
    }

    public void OpenMap()
    {
        if(dropMap.options.Count == 0)
        {
            UIWindow.Instance.ShowMessage("请先扫描地图");
            return;
        }

        if(_curOpenMapId > 0)
        {
            UIWindow.Instance.ShowMessage("请先关闭已有地图");
            return;
        }

        int mapId = 0;

        mapId = Convert.ToInt32(dropMap.options[dropMap.value].text);
        UIWindow.Instance.uiCreateMap.LoadMapRegions(mapId);
        UIWindow.Instance.uiCellInfo.LoadCells();
        UIWindow.Instance.uiCellInfo.ShowCells();
        UIWindow.Instance.uiEditMapConfig.LoadMapConfig(mapId);
        UIWindow.Instance.uiMonstersPanel.LoadMonsterConfig(mapId);
        UIWindow.Instance.uiNpcsPanel.LoadNpcsConfig(mapId);
        UIWindow.Instance.uiTriggersPanel.LoadTriggersConfig(mapId);
        UIWindow.Instance.uiFuBensPanel.LoadFuBenConfig(mapId);
        UIWindow.Instance.uiJuBaosPanel.LoadJuBaoConfig(mapId);

        _curOpenMapId = mapId;
        //MapManager.Instance.LoadMapSprite();
    }

    public void CloseMap()
    {
        MapManager.Instance.CloseMap();
        _curOpenMapId = -1;
        UIWindow.Instance.HideMouseOver();
    }

    public bool HasMap(string mapId)
    {
        return allMaps.Find(s => s == mapId) != null;
    }

    public void ResetMap()
    {
        if (dropMap.options.Count == 0)
        {
            UIWindow.Instance.ShowMessage("请先扫描地图");
            return;
        }

        if (_curOpenMapId < 0)
        {
            UIWindow.Instance.ShowMessage("没有地图");
            return;
        }

        //先关闭地图
        CloseMap();
        UIWindow.Instance.uiEditMapConfig.Cleanup();

        //再打开地图
        OpenMap();
    }

    private void Update()
    {
        if (Input.GetKey(KeyCode.LeftControl) && Input.GetKey(KeyCode.S))
        {
            if (_saving)
                return;

            SaveAll();
        }  
    }

    public void SaveAll()
    {
        _saving = true;
        Debug.Log("正在保存所有数据...");
        UIWindow.Instance.uiCreateMap.SaveRegions();
        UIWindow.Instance.uiCellEditor.SaveCells();
        UIWindow.Instance.uiEditMapConfig.SaveMapConfig();
        UIWindow.Instance.uiMonstersPanel.SaveMonsterConfig();
        UIWindow.Instance.uiNpcsPanel.SaveNpcsConfig();
        UIWindow.Instance.uiTriggersPanel.SaveTriggersConfig();
        UIWindow.Instance.uiJuBaosPanel.SaveJuBaoConfig();
        UIWindow.Instance.uiFuBensPanel.SaveFuBenConfig();
        UIWindow.Instance.ShowMessage("保存成功");
        _saving = false;
    }
}