/**
 * Navigation Manager
 *
 * Handles page navigation with error handling, retries, and logging
 */

class NavigationManager {
  constructor(coreParser) {
    this.coreParser = coreParser;
  }

  /**
   * Navigate to URL with comprehensive error handling
   */
  async navigateTo(url, options = {}) {
    const {
      pageId = "default",
      waitUntil = "domcontentloaded",
      retries = 1,
      retryDelay = 2000,
      timeout = this.coreParser.config.timeout,
    } = options;

    const page = this.coreParser.getPage(pageId);
    if (!page) {
      throw new Error(`Page with ID '${pageId}' not found`);
    }

    let lastError;

    for (let attempt = 0; attempt <= retries; attempt++) {
      try {
        console.log(
          `🌐 Navigating to: ${url} (attempt ${attempt + 1}/${retries + 1})`
        );

        await page.goto(url, {
          waitUntil,
          timeout,
        });

        console.log(`✅ Navigation successful: ${url}`);
        return true;
      } catch (error) {
        lastError = error;
        console.warn(
          `⚠️  Navigation attempt ${attempt + 1} failed: ${error.message}`
        );

        if (attempt < retries) {
          console.log(`🔄 Retrying in ${retryDelay}ms...`);
          await this.delay(retryDelay);
        }
      }
    }

    // All attempts failed
    const errorMessage = `Navigation failed after ${retries + 1} attempts: ${
      lastError.message
    }`;
    console.error(`❌ ${errorMessage}`);
    throw new Error(errorMessage);
  }

  /**
   * Navigate and wait for specific selector
   */
  async navigateAndWaitFor(url, selector, options = {}) {
    await this.navigateTo(url, options);

    const { pageId = "default", timeout = this.coreParser.config.timeout } =
      options;
    const page = this.coreParser.getPage(pageId);

    try {
      await page.waitForSelector(selector, { timeout });
      console.log(`✅ Selector found: ${selector}`);
      return true;
    } catch (error) {
      console.warn(`⚠️  Selector not found: ${selector} - ${error.message}`);
      return false;
    }
  }

  /**
   * Check if current page has specific content
   */
  async hasContent(content, options = {}) {
    const { pageId = "default", timeout = 5000 } = options;
    const page = this.coreParser.getPage(pageId);

    try {
      await page.waitForFunction(
        (text) => document.body.innerText.includes(text),
        content,
        { timeout }
      );
      return true;
    } catch {
      return false;
    }
  }

  /**
   * Utility delay function
   */
  async delay(ms) {
    return new Promise((resolve) => setTimeout(resolve, ms));
  }

  /**
   * Get current page URL
   */
  getCurrentUrl(pageId = "default") {
    const page = this.coreParser.getPage(pageId);
    return page ? page.url() : null;
  }

  /**
   * Take screenshot for debugging
   */
  async screenshot(filepath, pageId = "default") {
    const page = this.coreParser.getPage(pageId);
    if (page) {
      await page.screenshot({ path: filepath });
      console.log(`📸 Screenshot saved: ${filepath}`);
    }
  }
}

module.exports = NavigationManager;