import { AppUtil, ArrayUtil, DisplayUtil, GlobalContext,
  JSONUtil,
  PickerUtil,
  PreferencesUtil, StrUtil,
  ToastUtil } from '@pura/harmony-utils';
import TitleBar from '../view/TitleBar';
import { router } from '@kit.ArkUI';
import mainViewModel, { MainViewModel } from '../viewmodel/MainViewModel';
import ItemData from '../viewmodel/ItemData';
import { CommonConstants } from '../common/constants/CommonConstants';
import { ToolView } from '../view/ToolView';
import { VideoItem } from '../viewmodel/VideoItem';
import ScreenUtil from '../common/util/ScreenUtil';
import Logger from '../common/util/Logger';
import { Utility } from '../common/util/Utility';
import { photoAccessHelper } from '@kit.MediaLibraryKit';
import { BusinessError, emitter } from '@kit.BasicServicesKit';
import { common } from '@kit.AbilityKit';
import { AdSlot, AdSlotBuilder,
  CSJAdCreator,
  CSJAdSdk, CSJNativeExpressAd, NativeExpressAdListener } from '@csj/openadsdk';
import { PrintBiddingTokenUtils } from '../common/util/PrintBiddintTokenUtils';
import { ArrayList } from '@kit.ArkTS';
import { CSJUtil } from '../common/util/CSJUtil';
import { LocalMusic } from '../view/LocalMusic';
import { StreamContent } from '../view/StreamContent';
import { AvSessionController } from '../controller/AvSessionController';
import { ImageKnife } from '@ohos/imageknife';
import { BreakpointSystem, BreakpointTypeEnum } from '../common/util/BreakpointSystem';
import { bundleManager } from '@kit.AbilityKit';
import { hilog } from '@kit.PerformanceAnalysisKit';

const TAG = 'NewIndex'; // 日志标签

/**
 * 首页主组件，包含顶部标题栏、主内容区（本地音乐/网络内容）、侧边抽屉菜单等。
 * 支持多端适配、广告集成、导航、生命周期管理等功能。
 */
@Preview
@Entry
@Component
struct NewIndex{
  /** 列表滚动器，用于抽屉菜单列表滚动 */
  private scroller: Scroller = new Scroller();

  /** 应用包名 */
  @State bundleName:string = ''

  /** 是否显示侧边抽屉菜单 */
  @Provide isShowDrawer:boolean = false;
  /** 抽屉菜单 X 轴偏移量，用于手势滑动动画 */
  @Provide offsetX: number = 0;

  /** 本地视频列表，页面参数传入 */
  @Provide  videoLocalList: Array<VideoItem> = []
  /** Y 轴偏移量（预留） */
  @State offsetY: number = 0;
  /** 主内容类型（0:本地音乐，1:网络内容） */
  @State mType:number = 0
  /** 模式类型（如歌手、专辑等） */
  @Provide modeType:number = 0
  /** 是否为零状态（预留） */
  @Provide('isZero') isZero:boolean = false;
  /** 是否显示赞助入口 */
  @State isShowSponsorship:boolean = false
  /** 页面上下文 */
  context = getContext(this);

  /** 音乐是否为零状态（预留） */
  @Provide('isMusicZero') isMusicZero:boolean = false;
  /** 本地音乐列表，持久化存储 */
  @StorageLink('musicLocalList')  musicLocalList: Array<VideoItem> = []
  /** 标题栏配置模型 */
  @State titleBarModel: TitleBar.Model = new TitleBar.Model()
    .setTitleTextStyle(FontStyle.Normal)
    .setTitleBarStyle(TitleBar.BarStyle.TRANSPARENT)
    .setLeftIcon($r('app.media.menu'))
    .setLeftIconWidth(28)
    .setLeftIconHeight(28)
    .setTitleBarMinHeight(64)
    .setTitleName('首页')
    // .setRightIcon($r('app.media.add'))
    .setTitleFontSize(19)
    .setTitleFontColor(Color.White)
    .setTitleBarBackground($r('app.color.title_bar_bg'))
    .setLeftTitleBackground($r('app.color.title_bar_bg'))
    .setOnLeftClickListener(() => {
      // 打开菜单栏动画
      animateTo({ duration: 555 }, () => {
        this.isShowDrawer = true
        this.offsetX = 0
      })
    })
    .setRightTitleBackground($r('app.color.title_bar_bg'))
    // .setOnRightClickListener(()=>{
    //   // this.goSelectVideo()
    //   this.showSheelDialog()
    // })

  /** 应用版本号 */
  @State versionName:string =''

  /** 音频根目录路径 */
  @Provide rootPath:string = ''
  /** 当前路径 */
  @Provide currentPath:string = ''
  /** 是否为历史记录页面 */
  @Provide isHistory:boolean =  false
  /** 是否可以返回上一级 */
  @Provide isCanBack:boolean=  false

  /**
   * 一多界面适配断点系统
   */
  private breakpointSystem: BreakpointSystem = new BreakpointSystem();
  /** 当前断点类型（如大屏/小屏） */
  @StorageProp('currentBreakpoint') currentBreakpoint: string = BreakpointTypeEnum.MD;
  /** 记录上一次点击返回键的时间戳，用于双击退出 */
  private  backTime:number=0;

  /**
   * 返回键处理逻辑：
   * - 如果不是根目录或有历史记录，发送广播通知更新列表
   * - 如果是根目录，双击返回键退出应用，否则提示
   */
  onBackPress(): boolean | void {
    if(this.currentPath !== this.rootPath||this.isHistory||(this.modeType!==0&&this.isCanBack)){
      const eventData: emitter.EventData = {};
      emitter.emit({ eventId: 888 }, eventData); // 发送音频广播通知更新doSwipBack
    }else{
      let nowtime = Date.now();
      if(nowtime - this.backTime < 1000){
        const mContext = getContext(this) as common.UIAbilityContext
        mContext.terminateSelf(); // 关闭应用
        AvSessionController.getInstance(true).unregisterSessionListener()
      }else {
        if(this.isShowDrawer){
          // 如果抽屉菜单打开，先关闭抽屉
          animateTo({ duration: 555 }, () => {
            this.isShowDrawer = false
          })
        }else{
          this.backTime=nowtime;
          ToastUtil.showToast("再按一次将退出当前应用")
        }
      }
    }
    return true;
  }

  /**
   * 页面显示生命周期钩子
   * - 注册断点系统
   * - 获取页面参数
   * - 设置状态栏样式
   * - 初始化图片缓存
   * - 判断是否显示赞助入口
   */
  async aboutToAppear() {
    this.breakpointSystem.register();
    let params = router.getParams() as Record<string, Object>;
    this.videoLocalList = params.videoList as VideoItem[];
    Utility.setStatusBarLight()
    // ScreenUtil 设置屏幕尺寸信息
    ScreenUtil.setScreenSize();
    this.bundleName = await  AppUtil.getBundleName()
    this.versionName = await AppUtil.getVersionName();
    // 初始化图片缓存
    await ImageKnife.getInstance().initFileCache(this.context, 256, 256 * 1024 * 1024)
    // 判断是否显示赞助入口
    this.isShowSponsorship = Utility.isOpenTime()
  }

  /**
   * 页面消失生命周期钩子
   * 注销断点系统
   */
  aboutToDisappear() {
    console.info('NewIndex aboutToDisappear');
    this.breakpointSystem.unregister();
  }

  /**
   * 构建主页面结构，包括顶部横线、主内容区和抽屉菜单
   */
  build() {
    Stack({ alignContent: Alignment.TopStart }) {
      // 顶部横线
      Column(){
        Line()
          .width('100%')
          .height(1)
      }
      .backgroundColor($r('app.color.title_bar_bg'))
      .expandSafeArea([SafeAreaType.SYSTEM], [SafeAreaEdge.TOP])
      // 主内容区
      Column() {
        Stack(){
          // 本地音乐内容区
          LocalMusic()
            .visibility(this.mType===0?Visibility.Visible:Visibility.None)
          // 网络内容区
          StreamContent()
            .visibility(this.mType===1?Visibility.Visible:Visibility.None)
        }
      }
      .width('100%')
      .height('100%')
      .justifyContent(FlexAlign.Start)

      // 侧边抽屉菜单
      if(this.isShowDrawer){
        Column() {
          Column() {
            // 抽屉顶部背景图
            Image($r('app.media.bg_music'))
              .width('100%')
              .height(180)
            // 动态生成抽屉菜单内容
            this.getDrawerView()
          }
          .width(this.currentBreakpoint !== BreakpointTypeEnum.SM?'40%':'80%')
          .height('100%')
          .backgroundColor(Color.White)
          .onClick((event:ClickEvent)=>{
            // 阻止事件冒泡
          })
        }
        .width('100%')
        .height('100%')
        .backgroundColor($r('app.color.ban_touming'))
        .alignItems(HorizontalAlign.Start)
        .onClick((event:ClickEvent)=>{
          // 点击抽屉外部关闭抽屉
          animateTo({ duration: 555 }, () => {
            this.isShowDrawer = false
          })
        })
        .translate({ x: this.offsetX, y: 0, z: 0 })
        .transition({ type: TransitionType.Insert, translate: { x: -DisplayUtil.getWidth(), y: 0 } })
        .transition({ type: TransitionType.Delete, translate: { x: -DisplayUtil.getWidth(), y: 0 } })
        .gesture(
          PanGesture()
            .onActionUpdate((event:GestureEvent)=>{
              // 手势滑动更新抽屉偏移
              if(event.offsetX<0){
                this.offsetX = event.offsetX;
              }
            })
            .onActionEnd(() => {
              // 手势结束判断是否关闭抽屉
              if(this.offsetX<-DisplayUtil.getWidth()/9){
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
              }else{
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = true
                  this.offsetX = 0
                })
              }
            })
        )
      }
    }
  }

  /**
   * 动态生成抽屉菜单内容
   * 根据 isShowSponsorship 展示不同菜单项
   */
  @Builder
  getDrawerView(){
    List({space: 0, scroller: this.scroller}){
      ForEach(this.isShowSponsorship?mainViewModel.getDrawerData2():mainViewModel.getDrawerData(),(item: ItemData)=>{
        ListItem(){
          Row() {
            // 菜单图标
            Image(item.img)
              .height(22)
              .alignSelf(ItemAlign.Center)
              .margin({ left: 2 })
            // 菜单标题
            Text(item.title)
              .margin({ left: 10, right: 20 })
              .fontSize(15)
              .fontColor(Color.Gray)
              .fontWeight(480)
            Blank()
            // 右侧箭头
            Image($r('app.media.arrow_right'))
              .width(22)
              .height(22)
              .margin({ left: 20, right: 0 })
              .align(Alignment.Center)
          }
          .width('100%')
          .height(55)
          .onClick(async () => {
            // 根据 item.id 跳转或切换功能
            switch (item.id) {
              case MainViewModel.MENU_MUSIC:
                this.mType = 0
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_FILE_SCAN:
                router.pushUrl({
                  url: 'pages/ScanFilePage'
                });
                break
              case MainViewModel.MENU_HOME:
                this.mType = 0
                this.modeType = 0
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_MIEDIA_KU:
                this.modeType = 1
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_MIEDIA_ARTIST:
                this.modeType = 2
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_MIEDIA_ALBUM:
                this.modeType = 3
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_SETTING:
                router.pushUrl({
                  url: 'pages/SettingPage'
                }, router.RouterMode.Single);
                break
              case MainViewModel.MENU_VIP:
                router.pushUrl({
                  url: 'pages/VipPage'
                }, router.RouterMode.Single);
                break
              case MainViewModel.MENU_NET_CONNECT:
                this.mType = 1
                animateTo({ duration: 555 }, () => {
                  this.isShowDrawer = false
                })
                break
              case MainViewModel.MENU_SIMI:
                router.pushUrl({
                  url: 'pages/VerifyPage'
                });
                break
              case MainViewModel.MENU_LIKE:
                router.pushUrl({
                  url: 'pages/LikeVideoPage'
                });
                break
              case MainViewModel.MENU_DUTY:
                router.pushUrl({
                  url: 'pages/WebIndex',
                  params: { titleName: '用户协议', webUrl: CommonConstants.NEW_DUTY }
                });
                break
              case MainViewModel.MENU_HAOPING:
                Utility.gotoMarket(getContext(this) as common.UIAbilityContext,this.bundleName)
                break
              case MainViewModel.MENU_TEST_SPEED:
                router.pushUrl({
                  url: 'pages/SpeedIndex'
                });
                break
              case MainViewModel.MENU_OPTIMIZE:
                router.pushUrl({
                  url: 'pages/AddSpeedPage'
                });
                break
              case MainViewModel.MENU_ABOUT:
                router.pushUrl({
                  url: 'pages/AboutPage'
                }, router.RouterMode.Single);
                break
              case MainViewModel.MENU_UPDATE:
                AlertDialog.show({title:'版本更新',message:'当前版本为最新版本：'+this.versionName,
                  autoCancel:true, alignment:DialogAlignment.Center,
                  offset:{dx:0,dy:-20},//在Y轴方向上的编译量
                  confirm:{
                    value:'确定',fontColor:Color.White,backgroundColor:$r('app.color.title_bar_bg'),
                    action:()=>{
                    }
                  }
                })
                break
              case MainViewModel.MENU_YSZC:
                router.pushUrl({
                  url: 'pages/WebIndex',
                  params: { titleName: '隐私政策', webUrl: CommonConstants.NEW_YS_HW }
                });
                break
            }
          })
        }
        .width('90%')
        .height(55)
      })
    }
    .width('100%')
    .alignListItem(ListItemAlign.Center)
    .backgroundColor($r('app.color.white'))
    .layoutWeight(1)
    .divider({strokeWidth: 1, color: '#ffe9f0f0'})
    .edgeEffect(EdgeEffect.None) // 必须设置列表为滑动到边缘无效果
  }

  /**
   * ================== 穿山甲广告相关 ==================
   */
  /** Banner广告对象 */
  private declare bannerAd: CSJNativeExpressAd;
  /** 广告加载状态 */
  @State private status: string = "未加载"
  /** 是否展示广告 */
  @State private isShowAd: boolean = false
  /** 广告位配置信息 */
  private declare mAdSlot: AdSlot;
  /** 服务端bidding广告内容（可选） */
  private mBiddingAdm = ''
  /** 广告加载监听器 */
  private expressLoadAdListener: NativeExpressAdListener = {
    /**
     * 广告加载失败回调
     */
    onError: (code: number, message: string) => {
      console.error("加载广告失败，code=" + code + "，message=" + message);
      this.status = "加载广告失败，code=" + code + "，message=" + message;
    },
    /**
     * 广告加载成功回调
     * @param ads 返回的广告列表
     */
    onNativeExpressAdLoad: (ads: ArrayList<CSJNativeExpressAd>) => {
      console.log("BannerExpressAdPage==onNativeExpressAdLoad......success");
      if (ads && ads.length > 0) {
        ads.forEach((ad: CSJNativeExpressAd, idx: number) => {
          // 设置广告交互监听
          ad.setExpressInteractionListener({
            /** 广告点击回调 */
            onAdClicked: (type: number) => {
              console.log("BannerExpressAdPage==onAdClicked......");
            },
            /** 广告展示回调 */
            onAdShow: (type: number) => {
              console.log("BannerExpressAdPage==onAdShow......");
            },
            /** 模板渲染失败回调 */
            onRenderFail: (code: number, msg: string) => {
              console.log("BannerExpressAdPage==onRenderFail...code=" + code + ",msg=" + msg);
            },
            /** 模板渲染成功回调 */
            onRenderSuccess: (width: number, height: number) => {
              console.log("BannerExpressAdPage==onRenderSuccess......width=" + width + ",height=" + height);
              this.bannerAd = ad;
              this.status = "广告加载完成待展示";
              this.showBannerAd()
            }
          })
          // 设置广告轮播时间
          ad.setSlideIntervalTime(30 * 1000);//设置轮播时间长
          this.setDislikeCallback(ad); //设置dislike
          ad.render(this.getUIContext()) // 开始渲染广告
          this.status = "广告加载中...";
        });
      }
    }
  }

  /**
   * 设置广告 dislike 回调
   * @param ad 广告对象
   */
  private setDislikeCallback(ad: CSJNativeExpressAd) {
    ad.setDislikeCallback({
      /** dislike 弹窗显示 */
      onShow: () => {
        console.log("BannerExpressAdPage==dislike......show");
      },
      /** 选择 dislike 选项 */
      onSelected: (position: number, value: string, enforceRemove: boolean) => {
        this.isShowAd = false;
        console.log("BannerExpressAdPage==dislike......onSelected:position=" + position + ",value:" + value + ",enforce=" + enforceRemove);
      },
      /** 点击取消 dislike */
      onCancel: () => {
        console.log("BannerExpressAdPage==dislike......onCancel");
      }
    })
  }

  /**
   * 加载Banner广告
   * @param rit 广告位ID
   */
  loadBannerAd(rit: string) {
    // 仅在满足条件时加载广告
    if(!Utility.isNoble()){
      return
    }
    if(!Utility.isPassInstallTime(2)){
      return
    }
    this.isShowAd = false;
    let adCreator:CSJAdCreator = CSJAdSdk.getAdCreator()
    this.mAdSlot = new AdSlotBuilder()
      .setCodeId(rit)
      .setAcceptSize(CSJUtil.BANNER_WIGTH, CSJUtil.BANNER_HEIGHT)
      .setAdCount(1)
      .setBidAdm(this.mBiddingAdm)
      .build()
    PrintBiddingTokenUtils.printBiddingToken(this.mAdSlot, adCreator);
    adCreator.loadBannerAd(this.mAdSlot, this.expressLoadAdListener)
    this.status = "广告加载中..."
  }

  /**
   * 展示Banner广告
   */
  showBannerAd() {
    if (!this.bannerAd) {
      return
    }
    this.isShowAd = true
    this.status = "已展示"
  }
  /**
   * ================== 穿山甲广告相关结束 ==================
   */

  // geIDD() {
  //   // 获取应用签名等信息示例代码
  //   let bundleFlags = bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_APPLICATION |
  //   bundleManager.BundleFlag.GET_BUNDLE_INFO_WITH_SIGNATURE_INFO;
  //   try {
  //     bundleManager.getBundleInfoForSelf(bundleFlags).then((data) => {
  //       hilog.info(0x0000, 'testTag11', 'getBundleInfoForSelf successfully. Data: %{public}s', JSON.stringify(data));
  //     }).catch((err: BusinessError) => {
  //       hilog.error(0x0000, 'testTag11', 'getBundleInfoForSelf failed. Cause: %{public}s', err.message);
  //     });
  //   } catch (err) {
  //     let message = (err as BusinessError).message;
  //     hilog.error(0x0000, 'testTag33', 'getBundleInfoForSelf failed: %{public}s', message);
  //   }
  // }

}