import Tracker from "../core/Tracker";
import { TrackerConfig, EventKey } from "../core/types";

/**
 * HTML原生项目适配器类
 */
class HtmlAdapter extends Tracker {
  /**
   * 构造函数
   */
  constructor(config: TrackerConfig) {
    super(config);
  }

  /**
   * 初始化适配器
   */
  public init(): void {
    if (typeof window === "undefined") {
      console.warn("[KTrace] HtmlAdapter 只能在浏览器环境中使用");
      return;
    }
    const conf = this.getConfig();
    console.log('conf',conf);
    

    // 自动添加点击追踪
    if (this.getConfig().enable_auto_track) {
      this.setupAutoTracking();
    }

    // 设置错误监听
    this.setupErrorHandling();

    if (this.getConfig().debug) {
      console.log("[KTrace] HTML适配器初始化成功");
    }
  }

  /**
   * 设置自动追踪
   */
  private setupAutoTracking(): void {
    // 追踪页面访问
    window.addEventListener("load", () => {
      this.trackPageView();
    });

    // 追踪页面离开
    window.addEventListener("beforeunload", () => {
      this.trackEvent(EventKey.PAGE_LEAVE, {
        duration: Date.now() - (window as any).__pageLoadTime || 0,
      });
    });

    // 记录页面加载时间
    (window as any).__pageLoadTime = Date.now();

    // 设置路由追踪
    this.setupRouteTracking();
  }

  /**
   * 追踪页面浏览
   */
  public trackPageView(path?: string): void {
    const currentPath = path || window.location.pathname;
    try {
      this.trackEvent(EventKey.PAGE_VIEW, {
        path: currentPath,
        referrer: document.referrer,
        user_agent: navigator.userAgent,
        timestamp: Date.now()
      });
    } catch (error) {
      if (this.getConfig().debug) {
        console.warn(`[KTrace] 页面浏览追踪失败:`, error);
      }
    }
  }

 

 

 

  /**
   * 设置路由追踪（支持SPA应用）
   */
  private setupRouteTracking(): void {
    // 监听 popstate 事件（浏览器前进后退）
    window.addEventListener('popstate', () => {
      setTimeout(() => this.trackPageView(), 100);
    });

    // 监听 pushState 和 replaceState
    const originalPushState = history.pushState;
    const originalReplaceState = history.replaceState;

    history.pushState = (...args) => {
      originalPushState.apply(history, args);
      setTimeout(() => this.trackPageView(), 100);
    };

    history.replaceState = (...args) => {
      originalReplaceState.apply(history, args);
      setTimeout(() => this.trackPageView(), 100);
    };
  }

  /**
   * 设置错误处理
   */
  private setupErrorHandling(): void {
    // 监听资源加载错误（图片、脚本、样式表等）
    window.addEventListener(
      "error",
      (event) => {
        // 检查是否是资源加载错误
        if (event.target && event.target !== window) {
          const target = event.target as HTMLElement;
          const resourceUrl = (target as any).src || (target as any).href;
          const resourceType = target.tagName?.toLowerCase();

          this.trackError(new Error("Resource load error"), EventKey.RESOURCE_ERROR, {
            target,
            resourceUrl,
            resourceType
          });

          if (this.getConfig().debug) {
            console.warn(
              `[KTrace] 资源加载失败: ${resourceType} - ${resourceUrl}`
            );
          }
        } else {
          // JavaScript运行时错误
          this.trackError(new Error(event.message), EventKey.JAVASCRIPT_ERROR, {
            filename: event.filename,
            lineno: event.lineno,
            colno: event.colno,
            context: 'global'
          });

          if (this.getConfig().debug) {
            console.warn(`[KTrace] JavaScript错误: ${event.message}`);
          }
        }
      },
      true
    ); // 使用捕获阶段来确保能捕获到资源错误

    // 监听未处理的Promise错误
    window.addEventListener("unhandledrejection", (event) => {
      this.trackError(new Error(event.reason), EventKey.CUSTOM_ERROR, {
        error_type: 'unhandled_promise_rejection',
        context: 'global'
      });

      if (this.getConfig().debug) {
        console.warn(`[KTrace] 未处理的Promise错误:`, event.reason);
      }
    });
  }
}

export default HtmlAdapter;