import { display, window } from '@kit.ArkUI';
import { common } from '@kit.AbilityKit';


export class WindowHelper {
  private constructor() {
  }
  /**
   * 缓存窗体,关闭时需要
   * 同时只能出现一个窗口，所以只做一个缓存就可以
   */
  private static cacheWindow: window.Window | null = null;

  /**
   * 根据参数创建窗口
   * @param options
   * @returns
   */
  static async open(options: WinOptions): Promise<void> {
    if (WindowHelper.cacheWindow) {
      options.callBack && options.callBack(-1, '窗口已存在')
      return
    }
    if (!options) {
      options = new WinOptions();
    }
    if (!options.name) {
      options.name = 'window';
    }
    if (options.windowType == undefined) {
      options.windowType = window.WindowType.TYPE_DIALOG;
    }
    if (!options.bgColor) {
      options.bgColor = '#33606266';
    }
    try {
      //创建窗口
      let windowClass = await window.createWindow({
        name: options.name,
        windowType: options.windowType,
        ctx: getContext() as common.UIAbilityContext
      });
      //将窗口缓存
      WindowHelper.cacheWindow = windowClass;
      await windowClass.setUIContent(options.router);
      //获取屏幕四大角
      let d = display.getDefaultDisplaySync();
      //设置窗口大小
      await windowClass.resize(d.width, d.height);
      // 设置窗口背景颜色
      windowClass.setWindowBackgroundColor(options.bgColor);
      //显示窗口
      await windowClass.showWindow();
    } catch (exception) {
      options.callBack && options.callBack(-1, '创建窗口失败,原因为:' + JSON.stringify(exception))
    }
  }

  /**
   * 关闭窗口
   * @returns
   */
  static async close(): Promise<void> {
    if (WindowHelper.cacheWindow) {
      await WindowHelper.cacheWindow.destroyWindow();
      WindowHelper.cacheWindow = null
    }
  }

  private static _windowClass: window.Window | undefined = undefined;
  private static _isFullScreen: boolean = false;
  private static _topRectHeight: number = 0;
  private static _bottomRectHeight: number = 0;

  /**
   * 设置窗口管理器
   * @param value 在AppAbility中设置
   */
  public static set windowClass(value: window.Window | undefined) {
    WindowHelper._windowClass = value;
    if (WindowHelper._windowClass) {
      let avoidArea = WindowHelper._windowClass.getWindowAvoidArea(window.AvoidAreaType.TYPE_NAVIGATION_INDICATOR);
      WindowHelper._bottomRectHeight = px2vp(avoidArea.bottomRect.height)
      let avoidArea2 = WindowHelper._windowClass.getWindowAvoidArea(window.AvoidAreaType.TYPE_CUTOUT);
      WindowHelper._topRectHeight = px2vp(avoidArea2.topRect.height)
      let avoidArea3 = WindowHelper._windowClass.getWindowAvoidArea(window.AvoidAreaType.TYPE_SYSTEM);
      const a = px2vp(avoidArea3.topRect.height)
      WindowHelper._topRectHeight = a > WindowHelper._topRectHeight ? a : WindowHelper._topRectHeight
      // console.log('=====>', WindowHelper._topRectHeight)
    }
  }

  /**
   * 获取当前窗口管理器
   * @returns
   */
  public static get windowClass(): window.Window | undefined {
    return WindowHelper._windowClass;
  }

  /**
   * 获取底部安全区高度
   * @returns
   */
  public static get bottomRectHeight(): number {
    return WindowHelper._bottomRectHeight
  }

  /**
   * 获取顶部安全区高度
   * @returns
   */
  public static get topRectHeight(): number {
    return WindowHelper._isFullScreen ? WindowHelper._topRectHeight : 0
  }


  /**
   * 设置是否全屏
   * @param isLayoutFullScreen
   */
  static setWindowLayoutFullScreen(isLayoutFullScreen: boolean) {
    if (WindowHelper._windowClass) {
      WindowHelper._isFullScreen = isLayoutFullScreen
      WindowHelper._windowClass.setWindowLayoutFullScreen(isLayoutFullScreen);
    }
  }

  /**
   * 隐藏状态栏
   */
  static hideStatusBar() {
    if (WindowHelper._windowClass) {
      WindowHelper._windowClass.setSpecificSystemBarEnabled('status', false);
      WindowHelper._windowClass.setSpecificSystemBarEnabled('navigationIndicator', false);
    }
  }

  /**
   * 显示状态栏
   */
  static showStatusBar() {
    if (WindowHelper._windowClass) {
      WindowHelper._windowClass.setSpecificSystemBarEnabled('status', true);
      WindowHelper._windowClass.setSpecificSystemBarEnabled('navigationIndicator', true);
    }
  }

  /**
   * 设置状态栏内容颜色
   * #ffffff
   * 不可以用white这种
   */
  static setStatusBar(color: string) {
    if (WindowHelper._windowClass) {
      WindowHelper._windowClass.setWindowSystemBarProperties({
        statusBarContentColor: color,
      })
    }
  }
}

/**
 * 窗口入参对象
 */
class WinOptions {
  /**
   * 窗口名称 默认window
   */
  name?: string;
  /**
   * 窗口类型 默认TYPE_DIALOG
   */
  windowType?: window.WindowType;
  /**
   *窗口要显示的路由  如:pages/Welcome需要在main_pages.json中声明
   */
  router: string = '';
  /**
   * 窗口背景颜色,默认#33606266
   */
  bgColor?: string;
  /**
   * 窗口创建回调函数
   */
  callBack?: (code: number, msg: string) => void;
}