using System;
using System.Collections;
using System.Collections.Generic;
using System.Runtime.InteropServices;
using UnityEngine;

/// <summary>
/// 程序窗口管理
/// </summary>
public class WindowManager : MonoBehaviour
{
    public static WindowManager Instance;

    public WindowsToolMgr tool_mgr;

    public GameObject main;
    public GameObject mini;

    public enum ScreenResolution
    {
        /// <summary>
        /// 主窗口 1600*900
        /// </summary>
        MAX_SCREEN,
        /// <summary>
        /// 小窗+面板 300*800
        /// </summary>
        MID_SCREEN,
        /// <summary>
        /// 小窗 300*170
        /// </summary>
        MINI_SCREEN,
        /// <summary>
        /// 长窗口
        /// </summary>
        LONG_SCREEN
    }

    /// <summary>
    /// 窗口模式-窗口尺寸对照
    /// </summary>
    private Dictionary<ScreenResolution, int[]> resolution_size = new Dictionary<ScreenResolution, int[]>() {
        {ScreenResolution.MINI_SCREEN,new int[2]{ 299,203}}, {ScreenResolution.MID_SCREEN,new int[2]{ 299,595}},
        {ScreenResolution.LONG_SCREEN,new int[2]{ 299,874}}, {ScreenResolution.MAX_SCREEN,new int[2]{ 1600,900}},
    };

    /// <summary>
    /// 屏幕模式
    /// </summary>
    public static ScreenResolution screen_resolution = ScreenResolution.MAX_SCREEN;

    /// <summary>
    /// 是否为主窗口模式
    /// </summary>
    public static bool max_screen => screen_resolution == ScreenResolution.MAX_SCREEN;
    /// <summary>
    /// 是否退出程序
    /// </summary>
    public static bool quit;

    /// <summary>
    /// 窗口坐标
    /// </summary>
    private ResolutionTest.RECT screen_position;
    /// <summary>
    /// 正在刷新分辨率
    /// </summary>
    private bool is_resolution_refreshing;

    private void Awake()
    {
        Instance = this;

        //退出确认 （包括右上角×、alt+f4）
        Application.wantsToQuit += () =>
        {
            SwitchResolution(ScreenResolution.MAX_SCREEN);
            
            if (!quit)
            {
                Debug.Log(MainCanvasManager.confirm_panel.name);
                MainCanvasManager.confirm_panel.OnPopup("即将退出", "是否确认退出？", "提示", (_check) =>
                {
                    if (_check)
                    {
                        quit = true;
                        Application.Quit();
                    }
                });
            }
            return quit;
        };
    }

    // 测试字段
    public string wind; public int mode; public Rect rect;

    [DllImport("user32.dll", EntryPoint = "FindWindow")]
    private static extern IntPtr FindWindow(string lpClassName, string lpWindowName);
    private void Update()
    {
        if (!is_resolution_refreshing)
            screen_position = tool_mgr.GetRect();
#if UNITY_EDITOR
        if (Input.GetKeyDown(KeyCode.Keypad1))
            screen_resolution = ScreenResolution.MAX_SCREEN;
        if (Input.GetKeyDown(KeyCode.Keypad2))
            screen_resolution = ScreenResolution.MINI_SCREEN;
        if (Input.GetKeyDown(KeyCode.Keypad3))
        {
            IntPtr wi = FindWindow(null, wind);
            tool_mgr.winTool.SetTopMost(wi, mode, rect);
        }
        if (Input.GetKeyDown(KeyCode.Keypad4))
        {
            IntPtr wi = FindWindow(null, wind);
            tool_mgr.winTool.SetFrameWindow(wi, rect);
        }
        if (Input.GetKeyDown(KeyCode.Keypad5))
        {
            IntPtr wi = FindWindow(null, wind);
            tool_mgr.winTool.SetNoFrameWindow(wi, rect);
        }
        if (Input.GetKeyDown(KeyCode.Keypad6))
        {
            IntPtr wi = FindWindow(null, wind);
            var rect = tool_mgr.winTool.GetWinRect(wi);
            Debug.Log(rect.Left + "-" + rect.Top + "-" + (rect.Right - rect.Left) + "-" + (rect.Bottom - rect.Top));
        }
        if (Input.GetKeyDown(KeyCode.Keypad7))
        {
            IntPtr wi = FindWindow(null, wind);
            var rect = tool_mgr.winTool.GetWindowLongA(wi, mode);
            Debug.Log(rect);
        }
#endif
    }

    /// <summary>
    /// 切换分辨率
    /// </summary>
    public void SwitchResolution(ScreenResolution _screen_resolution)
    {
#if !UNITY_EDITOR
        if (screen_resolution != _screen_resolution)
        {
            screen_resolution = _screen_resolution;
            is_resolution_refreshing = true;
            //tool_mgr.SwitchScreenResolution(resolution_size[_screen_resolution]);

            if (max_screen)
                tool_mgr.SetFrame(resolution_size[_screen_resolution][0], resolution_size[_screen_resolution][1]+30,
                screen_position.Left, screen_position.Top);
            else
                tool_mgr.SetNoFrame(resolution_size[_screen_resolution][0], resolution_size[_screen_resolution][1],
                    screen_position.Left, screen_position.Top);

            Invoke("EndRefreshing", 0.1f);

            switch (_screen_resolution)
            {
                case ScreenResolution.MAX_SCREEN:
                    //tool_mgr.SwitchScreenResolution(1600, 900);
                    mini.SetActive(false);
                    main.SetActive(true);
                    break;
                case ScreenResolution.MID_SCREEN:
                    //tool_mgr.SwitchScreenResolution(299, 461);
                    mini.SetActive(true);
                    main.SetActive(false);
                    break;
                case ScreenResolution.MINI_SCREEN:
                    //tool_mgr.SwitchScreenResolution(299, 203);
                    mini.SetActive(true);
                    main.SetActive(false);
                    break;
                default:
                    break;
            }

        }
#endif
        //if (screen_resolution != _screen_resolution)
        //{
        //    screen_resolution = _screen_resolution;
        //    is_resolution_refreshing = true;
        //    //tool_mgr.SwitchScreenResolution(resolution_size[_screen_resolution]);

        //    if (max_screen)
        //        tool_mgr.SetFrame(resolution_size[_screen_resolution][0], resolution_size[_screen_resolution][1] + 30,
        //        screen_position.Left, screen_position.Top);
        //    else
        //        tool_mgr.SetNoFrame(resolution_size[_screen_resolution][0], resolution_size[_screen_resolution][1],
        //            screen_position.Left, screen_position.Top);

        //    Invoke("EndRefreshing", 0.1f);

        //    switch (_screen_resolution)
        //    {
        //        case ScreenResolution.MAX_SCREEN:
        //            //tool_mgr.SwitchScreenResolution(1600, 900);
        //            mini.SetActive(false);
        //            main.SetActive(true);
        //            break;
        //        case ScreenResolution.MID_SCREEN:
        //            //tool_mgr.SwitchScreenResolution(299, 461);
        //            mini.SetActive(true);
        //            main.SetActive(false);
        //            break;
        //        case ScreenResolution.MINI_SCREEN:
        //            //tool_mgr.SwitchScreenResolution(299, 203);
        //            mini.SetActive(true);
        //            main.SetActive(false);
        //            break;
        //        default:
        //            break;
        //    }

        //}
    }

    private void EndRefreshing()
    {
        is_resolution_refreshing = false;
    }

    public void MinWindow()
    {
        tool_mgr.MinWindows();
    }

    public bool is_topping;
    /// <summary>
    /// 置顶设置
    /// </summary>
    public void Topping(bool _is_topping)
    {
        is_topping = _is_topping;
        tool_mgr.SetTopping(_is_topping);
    }

    /// <summary>
    /// 不改变模式,设置分辨率
    /// </summary>
    public void SetResolution(int _width, int _height)
    {
        tool_mgr.SwitchScreenResolution(_width, _height);
    }
}