/**
 * 在线更新日志弹窗组件
 * 参考WebIndex.ets的成功实现，确保WebView正常工作
 */
import { webview } from '@kit.ArkWeb';
import { UpdateConstants } from '../common/constants/UpdateConstants';
import { UpdateLogManager } from '../common/util/UpdateLogManager';
import { ConfigurationConstant } from '@kit.AbilityKit';
import { AppUtil, PreferencesUtil } from '@pura/harmony-utils';
import { CommonConstants } from '../common/constants/CommonConstants';

@Component
export default struct OnlineUpdateLog {
  /** 弹窗控制器 */
  controller?: CustomDialogController;
  /** 关闭回调 */
  onClose?: () => void;
  /** 更新日志URL */
  @State updateLogUrl: string = '';
  /** 当前应用版本 */
  @State currentVersion: string = '';
  /** WebView控制器 */
  private webViewController: webview.WebviewController = new webview.WebviewController();
  /** 是否加载完成 */
  @State isLoading: boolean = true;
  /** 加载错误信息 */
  @State errorMessage: string = '';
  /** 加载进度 */
  @State progressValue: number = 0;
  /** 进度条是否可见 */
  @State progressVisible: boolean = true;
  /** 深色模式 */
  @State isDarkMode: boolean = false;
  @StorageProp('currentColorMode') currentMode: number = ConfigurationConstant.ColorMode.COLOR_MODE_LIGHT;
  @StorageProp('themeColor') themeColor: string = CommonConstants.DEFAULT_THEME_COLOR;

  aboutToAppear() {
    try {
      // 获取当前应用版本
      this.getCurrentVersion();
      // 设置更新日志URL - 直接使用在线URL
      this.updateLogUrl = UpdateConstants.UPDATE_LOG_URL;
      // 检查深色模式
      this.isDarkMode = this.currentMode === ConfigurationConstant.ColorMode.COLOR_MODE_DARK;
      let themeColor = PreferencesUtil.getStringSync('THEME_COLOR', CommonConstants.DEFAULT_THEME_COLOR);
      AppStorage.setOrCreate('themeColor', themeColor);
      this.themeColor = themeColor
      console.info('OnlineUpdateLogDialog URL:', this.updateLogUrl);
      console.info('OnlineUpdateLogDialog 开始加载在线更新日志');
      
      // 确保WebView控制器已初始化
      if (!this.webViewController) {
        this.webViewController = new webview.WebviewController();
      }
    } catch (error) {
      console.error('OnlineUpdateLogDialog aboutToAppear error:', error);
      this.errorMessage = '初始化失败';
      this.isLoading = false;
    }
  }

  /**
   * 获取当前应用版本号
   */
  private getCurrentVersion() {
    try {
      this.currentVersion = AppUtil.getVersionName()//UpdateConstants.APP_VERSION;
    } catch (error) {
      this.currentVersion = '1.0.0';
    }
  }

  /**
   * 记录已显示的版本，避免重复显示
   */
  private markVersionShown() {
    try {
      UpdateLogManager.markCurrentVersionShown();
    } catch (error) {
      console.error('OnlineUpdateLogDialog markVersionShown error:', error);
    }
  }

  /**
   * 颜色变亮工具方法
   */
  private lightenColor(color: string, amount: number): string {
    try {
      // 移除 # 号
      const hex = color.replace('#', '');
      
      // 转换为 RGB
      const r = parseInt(hex.substring(0, 2), 16);
      const g = parseInt(hex.substring(2, 4), 16);
      const b = parseInt(hex.substring(4, 6), 16);
      
      // 增加亮度
      const newR = Math.min(255, Math.floor(r + (255 - r) * amount));
      const newG = Math.min(255, Math.floor(g + (255 - g) * amount));
      const newB = Math.min(255, Math.floor(b + (255 - b) * amount));
      
      // 转换回十六进制
      const newHex = '#' + 
        newR.toString(16).padStart(2, '0') +
        newG.toString(16).padStart(2, '0') +
        newB.toString(16).padStart(2, '0');
      
      return newHex;
    } catch (error) {
      console.error('lightenColor error:', error);
      return color; // 出错时返回原色
    }
  }

  /**
   * 组件销毁时清理资源
   */
  aboutToDisappear() {
    try {
      console.info('OnlineUpdateLogDialog aboutToDisappear');
      // 清理WebView控制器
      if (this.webViewController) {
        // 这里可以添加WebView的清理逻辑，如果需要的话
      }
    } catch (error) {
      console.error('OnlineUpdateLogDialog aboutToDisappear error:', error);
    }
  }

  build() {
    Column() {


      // 版本信息和进度条
      Column() {
        Row() {
          Text('当前版本：')
            .fontSize(15)
            .fontColor(this.isDarkMode ? '#E0E0E0' : Color.Gray)
          
          Text(`v${this.currentVersion}`)
            .fontSize(15)
            .fontColor(this.themeColor)
            .fontWeight(FontWeight.Medium)
        }
        .alignSelf(ItemAlign.Start)
        .margin({ bottom: 8 })

        // 进度条 - 使用主题色
        if (this.progressVisible && this.progressValue < 100) {
          Column() {
            Progress({ value: this.progressValue, total: 100, type: ProgressType.Linear })
              .width('100%')
              .height(4)
              .color(this.themeColor)
              .backgroundColor(this.isDarkMode ? '#4A4A4A' : '#E0E0E0')
              .borderRadius(2)
            
            Text(`加载中... ${this.progressValue}%`)
              .fontSize(10)
              .fontColor(this.isDarkMode ? '#E0E0E0' : Color.Gray)
              .margin({ top: 4 })
              .alignSelf(ItemAlign.End)
          }
          .width('100%')
        }
      }
      .width('100%')
      .padding({ left: 20, right: 20, top: 12, bottom: 8 })
      .backgroundColor(this.isDarkMode ? '#3A3A3A' : '#F8F9FA')
      .borderRadius({
        topLeft: 0,
        topRight: 0,
        bottomLeft: 8,
        bottomRight: 8
      })

      // WebView内容区域 - 完全参考WebIndex.ets的实现
      if (this.errorMessage) {
        // 错误状态
        Column() {
          // 错误图标背景
          Column() {
            Text('❌')
              .fontSize(32)
          }
          .width(64)
          .height(64)
          .backgroundColor(this.isDarkMode ? '#4A4A4A' : '#FFF5F5')
          .borderRadius(32)
          .justifyContent(FlexAlign.Center)
          .alignItems(HorizontalAlign.Center)
          .border({
            width: 1,
            color: this.isDarkMode ? '#666666' : '#FED7D7'
          })
          
          Text('加载失败')
            .fontSize(16)
            .fontColor(this.isDarkMode ? Color.White : Color.Black)
            .fontWeight(FontWeight.Medium)
            .margin({ top: 16 })
          
          Text(this.errorMessage)
            .fontSize(12)
            .fontColor(this.isDarkMode ? '#E0E0E0' : Color.Gray)
            .margin({ top: 8, left: 20, right: 20 })
            .textAlign(TextAlign.Center)
            .maxLines(3)
          
          Button('重试')
            .fontSize(14)
            .backgroundColor(this.themeColor)
            .fontColor(Color.White)
            .borderRadius(8)
            .width(120)
            .height(40)
            .margin({ top: 20 })
            .onClick(() => {
              try {
                this.errorMessage = '';
                this.isLoading = true;
                this.progressValue = 0;
                this.progressVisible = true;
                // 重新加载
                if (this.webViewController) {
                  this.webViewController.refresh();
                }
              } catch (error) {
                console.error('OnlineUpdateLogDialog 重试失败:', error);
                this.errorMessage = '重试失败，请稍后再试';
              }
            })
        }
        .width('100%')
        .height(350)
        .justifyContent(FlexAlign.Center)
        .alignItems(HorizontalAlign.Center)
        .padding(20)
        .backgroundColor(this.isDarkMode ? '#2C2C2C' : Color.White)
      } else {
        // WebView内容 - 完全按照WebIndex.ets的方式实现
        Web({
          src: this.updateLogUrl,
          controller: this.webViewController
        })
          .width('100%')
          .height(350)
          .borderRadius(8)
          .backgroundColor(this.isDarkMode ? '#2C2C2C' : Color.White)
          // .border({
          //   width: 1,
          //   color: this.isDarkMode ? '#333333' : '#E0E0E0'
          // })
          .margin({ left: 12, right: 12, bottom: 8 })
          .darkMode(this.isDarkMode ? WebDarkMode.On : WebDarkMode.Off)
          .forceDarkAccess(this.isDarkMode)
          .onProgressChange((event) => {
            if (event) {
              console.info('OnlineUpdateLogDialog WebView进度:', event.newProgress);
              this.progressValue = event.newProgress;
              
              // 进度完成时隐藏进度条
              if (event.newProgress >= 100) {
                setTimeout(() => {
                  this.progressVisible = false;
                  this.isLoading = false;
                }, 500);
              }
            }
          })
          .onPageBegin(() => {
            console.info('OnlineUpdateLogDialog WebView开始加载:', this.updateLogUrl);
            this.isLoading = true;
            this.errorMessage = '';
            this.progressValue = 0;
            this.progressVisible = true;
          })
          .onPageEnd(() => {
            console.info('OnlineUpdateLogDialog WebView加载完成');
            this.isLoading = false;
            setTimeout(() => {
              this.progressVisible = false;
            }, 1000);
          })
          .onErrorReceive((event) => {
            const errorInfo = event?.error?.getErrorInfo() || '网络错误';
            console.error('OnlineUpdateLogDialog WebView加载错误:', errorInfo);
            this.isLoading = false;
            this.progressVisible = false;
            this.errorMessage = `加载失败：${errorInfo}`;
          })
      }

      // 底部按钮
      Row() {
        Button('稍后查看')
          .fontSize(14)
          .backgroundColor(this.isDarkMode ? '#666666' : '#9E9E9E')
          .fontColor(Color.White)
          .borderRadius(8)
          .layoutWeight(1)
          .height(44)
          .onClick(() => {
            try {
              if (this.onClose) {
                this.onClose();
              } else {
                this.controller?.close();
              }
            } catch (error) {
              console.error('OnlineUpdateLogDialog 稍后查看按钮失败:', error);
            }
          })
        
        Blank().width(12)
        
        Button('知道了')
          .fontSize(14)
          .backgroundColor(this.themeColor)
          .fontColor(Color.White)
          .borderRadius(8)
          .layoutWeight(1)
          .height(44)
          .onClick(() => {
            try {
              this.markVersionShown();
              if (this.onClose) {
                this.onClose();
              } else {
                this.controller?.close();
              }
            } catch (error) {
              console.error('OnlineUpdateLogDialog 知道了按钮失败:', error);
            }
          })
      }
      .visibility(Visibility.Hidden)
      .width('100%')
      .padding({ left: 20, right: 20, top: 16, bottom: 16 })
      .backgroundColor(this.isDarkMode ? '#3A3A3A' : '#F8F9FA')
      .borderRadius({
        topLeft: 0,
        topRight: 0,
        bottomLeft: 12,
        bottomRight: 12
      })
    }
    .backgroundColor(this.isDarkMode ? '#2C2C2C' : Color.White)
    .borderRadius(12)
    .width('92%')
    .constraintSize({ maxHeight: '85%' })
    .shadow({
      radius: 16,
      color: this.isDarkMode ? 'rgba(0,0,0,0.8)' : 'rgba(0,0,0,0.15)',
      offsetX: 0,
      offsetY: 4
    })
  }
}