import { createErrorResponse, ToolResult } from '@/common/tool-handler';
import { BaseBrowserToolExecutor } from '../base-browser';
import { TOOL_NAMES } from 'chrome-mcp-shared';
import { LIMITS, NETWORK_FILTERS } from '@/common/constants';

// Static resource file extensions
const STATIC_RESOURCE_EXTENSIONS = [
  '.jpg',
  '.jpeg',
  '.png',
  '.gif',
  '.svg',
  '.webp',
  '.ico',
  '.bmp', // Images
  '.css',
  '.scss',
  '.less', // Styles
  '.js',
  '.jsx',
  '.ts',
  '.tsx', // Scripts
  '.woff',
  '.woff2',
  '.ttf',
  '.eot',
  '.otf', // Fonts
  '.mp3',
  '.mp4',
  '.avi',
  '.mov',
  '.wmv',
  '.flv',
  '.ogg',
  '.wav', // Media
  '.pdf',
  '.doc',
  '.docx',
  '.xls',
  '.xlsx',
  '.ppt',
  '.pptx', // Documents
];

// Ad and analytics domain list
const AD_ANALYTICS_DOMAINS = NETWORK_FILTERS.EXCLUDED_DOMAINS;

interface NetworkCaptureStartToolParams {
  url?: string; // URL to navigate to or focus. If not provided, uses active tab.
  maxCaptureTime?: number; // Maximum capture time (milliseconds)
  inactivityTimeout?: number; // Inactivity timeout (milliseconds)
  includeStatic?: boolean; // Whether to include static resources
}

interface NetworkRequestInfo {
  requestId: string;
  url: string;
  method: string;
  type: string;
  requestTime: number;
  requestHeaders?: Record<string, string>;
  requestBody?: string;
  responseHeaders?: Record<string, string>;
  responseTime?: number;
  status?: number;
  statusText?: string;
  responseSize?: number;
  responseType?: string;
  responseBody?: string;
  errorText?: string;
  specificRequestHeaders?: Record<string, string>;
  specificResponseHeaders?: Record<string, string>;
  mimeType?: string; // Response MIME type
}

interface CaptureInfo {
  tabId: number;
  tabUrl: string;
  tabTitle: string;
  startTime: number;
  endTime?: number;
  requests: Record<string, NetworkRequestInfo>;
  maxCaptureTime: number;
  inactivityTimeout: number;
  includeStatic: boolean;
  limitReached?: boolean; // Whether request count limit is reached
}

/**
 * Network Capture Start Tool V2 - Uses Chrome webRequest API to start capturing network requests
 */
class NetworkCaptureStartTool extends BaseBrowserToolExecutor {
  name = TOOL_NAMES.BROWSER.NETWORK_CAPTURE_START;
  public static instance: NetworkCaptureStartTool | null = null;
  public captureData: Map<number, CaptureInfo> = new Map(); // tabId -> capture data
  private captureTimers: Map<number, NodeJS.Timeout> = new Map(); // tabId -> max capture timer
  private inactivityTimers: Map<number, NodeJS.Timeout> = new Map(); // tabId -> inactivity timer
  private lastActivityTime: Map<number, number> = new Map(); // tabId -> timestamp of last activity
  private requestCounters: Map<number, number> = new Map(); // tabId -> count of captured requests
  public static MAX_REQUESTS_PER_CAPTURE = LIMITS.MAX_NETWORK_REQUESTS; // Maximum capture request count
  private listeners: { [key: string]: (details: any) => void } = {};

  // Static resource MIME types list (for filtering)
  private static STATIC_MIME_TYPES_TO_FILTER = [
    'image/', // All image types
    'font/', // All font types
    'audio/', // All audio types
    'video/', // All video types
    'text/css',
    'text/javascript',
    'application/javascript',
    'application/x-javascript',
    'application/pdf',
    'application/zip',
    'application/octet-stream', // Usually for downloads or generic binary data
  ];

  // API response MIME types list (these types are usually not filtered)
  private static API_MIME_TYPES = [
    'application/json',
    'application/xml',
    'text/xml',
    'application/x-www-form-urlencoded',
    'application/graphql',
    'application/grpc',
    'application/protobuf',
    'application/x-protobuf',
    'application/x-json',
    'application/ld+json',
    'application/problem+json',
    'application/problem+xml',
    'application/soap+xml',
    'application/vnd.api+json',
  ];

  constructor() {
    super();
    if (NetworkCaptureStartTool.instance) {
      return NetworkCaptureStartTool.instance;
    }
    NetworkCaptureStartTool.instance = this;

    // Listen for tab close events
    chrome.tabs.onRemoved.addListener(this.handleTabRemoved.bind(this));
    // Listen for tab creation events
    chrome.tabs.onCreated.addListener(this.handleTabCreated.bind(this));
  }

  /**
   * Handle tab close events
   */
  private handleTabRemoved(tabId: number) {
    if (this.captureData.has(tabId)) {
      console.log(`NetworkCaptureV2: Tab ${tabId} was closed, cleaning up resources.`);
      this.cleanupCapture(tabId);
    }
  }

  /**
   * Handle tab creation events
   * If a new tab is opened from a tab being captured, automatically start capturing the new tab's requests
   */
  private async handleTabCreated(tab: chrome.tabs.Tab) {
    try {
      // Check if there are any tabs currently capturing
      if (this.captureData.size === 0) return;

      // Get the openerTabId of the new tab (ID of the tab that opened this tab)
      const openerTabId = tab.openerTabId;
      if (!openerTabId) return;

      // Check if the opener tab is currently capturing
      if (!this.captureData.has(openerTabId)) return;

      // Get the new tab's ID
      const newTabId = tab.id;
      if (!newTabId) return;

      console.log(
        `NetworkCaptureV2: New tab ${newTabId} created from capturing tab ${openerTabId}, will extend capture to it.`,
      );

      // Get the opener tab's capture settings
      const openerCaptureInfo = this.captureData.get(openerTabId);
      if (!openerCaptureInfo) return;

      // Wait a short time to ensure the tab is ready
      await new Promise((resolve) => setTimeout(resolve, 500));

      // Start capturing requests for the new tab
      await this.startCaptureForTab(newTabId, {
        maxCaptureTime: openerCaptureInfo.maxCaptureTime,
        inactivityTimeout: openerCaptureInfo.inactivityTimeout,
        includeStatic: openerCaptureInfo.includeStatic,
      });

      console.log(`NetworkCaptureV2: Successfully extended capture to new tab ${newTabId}`);
    } catch (error) {
      console.error(`NetworkCaptureV2: Error extending capture to new tab:`, error);
    }
  }

  /**
   * Determine whether a request should be filtered (based on URL)
   */
  private shouldFilterRequest(url: string, includeStatic: boolean): boolean {
    try {
      const urlObj = new URL(url);

      // Check if it's an ad or analytics domain
      if (AD_ANALYTICS_DOMAINS.some((domain) => urlObj.hostname.includes(domain))) {
        console.log(`NetworkCaptureV2: Filtering ad/analytics domain: ${urlObj.hostname}`);
        return true;
      }

      // If not including static resources, check extensions
      if (!includeStatic) {
        const path = urlObj.pathname.toLowerCase();
        if (STATIC_RESOURCE_EXTENSIONS.some((ext) => path.endsWith(ext))) {
          console.log(`NetworkCaptureV2: Filtering static resource by extension: ${path}`);
          return true;
        }
      }

      return false;
    } catch (e) {
      console.error('NetworkCaptureV2: Error filtering URL:', e);
      return false;
    }
  }

  /**
   * Filter based on MIME type
   */
  private shouldFilterByMimeType(mimeType: string, includeStatic: boolean): boolean {
    if (!mimeType) return false;

    // Always keep API response types
    if (NetworkCaptureStartTool.API_MIME_TYPES.some((type) => mimeType.startsWith(type))) {
      return false;
    }

    // If not including static resources, filter out static resource MIME types
    if (!includeStatic) {
      // Filter static resource MIME types
      if (
        NetworkCaptureStartTool.STATIC_MIME_TYPES_TO_FILTER.some((type) =>
          mimeType.startsWith(type),
        )
      ) {
        console.log(`NetworkCaptureV2: Filtering static resource by MIME type: ${mimeType}`);
        return true;
      }

      // Filter all MIME types starting with text/ (except those already in API_MIME_TYPES)
      if (mimeType.startsWith('text/')) {
        console.log(`NetworkCaptureV2: Filtering text response: ${mimeType}`);
        return true;
      }
    }

    return false;
  }

  /**
   * Update last activity time and reset inactivity timer
   */
  private updateLastActivityTime(tabId: number): void {
    const captureInfo = this.captureData.get(tabId);
    if (!captureInfo) return;

    this.lastActivityTime.set(tabId, Date.now());

    // Reset inactivity timer
    if (this.inactivityTimers.has(tabId)) {
      clearTimeout(this.inactivityTimers.get(tabId)!);
    }

    if (captureInfo.inactivityTimeout > 0) {
      this.inactivityTimers.set(
        tabId,
        setTimeout(() => this.checkInactivity(tabId), captureInfo.inactivityTimeout),
      );
    }
  }

  /**
   * Check for inactivity
   */
  private checkInactivity(tabId: number): void {
    const captureInfo = this.captureData.get(tabId);
    if (!captureInfo) return;

    const lastActivity = this.lastActivityTime.get(tabId) || captureInfo.startTime;
    const now = Date.now();
    const inactiveTime = now - lastActivity;

    if (inactiveTime >= captureInfo.inactivityTimeout) {
      console.log(
        `NetworkCaptureV2: No activity for ${inactiveTime}ms, stopping capture for tab ${tabId}`,
      );
      this.stopCaptureByInactivity(tabId);
    } else {
      // If inactivity time hasn't been reached yet, continue checking
      const remainingTime = captureInfo.inactivityTimeout - inactiveTime;
      this.inactivityTimers.set(
        tabId,
        setTimeout(() => this.checkInactivity(tabId), remainingTime),
      );
    }
  }

  /**
   * Stop capture due to inactivity
   */
  private async stopCaptureByInactivity(tabId: number): Promise<void> {
    const captureInfo = this.captureData.get(tabId);
    if (!captureInfo) return;

    console.log(`NetworkCaptureV2: Stopping capture due to inactivity for tab ${tabId}`);
    await this.stopCapture(tabId);
  }

  /**
   * Clean up capture resources
   */
  private cleanupCapture(tabId: number): void {
    // Clear timers
    if (this.captureTimers.has(tabId)) {
      clearTimeout(this.captureTimers.get(tabId)!);
      this.captureTimers.delete(tabId);
    }

    if (this.inactivityTimers.has(tabId)) {
      clearTimeout(this.inactivityTimers.get(tabId)!);
      this.inactivityTimers.delete(tabId);
    }

    // Remove data
    this.lastActivityTime.delete(tabId);
    this.captureData.delete(tabId);
    this.requestCounters.delete(tabId);

    console.log(`NetworkCaptureV2: Cleaned up all resources for tab ${tabId}`);
  }

  /**
   * Set up request listeners
   */
  private setupListeners(): void {
    // Before request is sent
    this.listeners.onBeforeRequest = (details: chrome.webRequest.WebRequestBodyDetails) => {
      const captureInfo = this.captureData.get(details.tabId);
      if (!captureInfo) return;

      if (this.shouldFilterRequest(details.url, captureInfo.includeStatic)) {
        return;
      }

      const currentCount = this.requestCounters.get(details.tabId) || 0;
      if (currentCount >= NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE) {
        console.log(
          `NetworkCaptureV2: Request limit (${NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE}) reached for tab ${details.tabId}, ignoring new request: ${details.url}`,
        );
        captureInfo.limitReached = true;
        return;
      }

      this.requestCounters.set(details.tabId, currentCount + 1);
      this.updateLastActivityTime(details.tabId);

      if (!captureInfo.requests[details.requestId]) {
        captureInfo.requests[details.requestId] = {
          requestId: details.requestId,
          url: details.url,
          method: details.method,
          type: details.type,
          requestTime: details.timeStamp,
        };

        if (details.requestBody) {
          const requestBody = this.processRequestBody(details.requestBody);
          if (requestBody) {
            captureInfo.requests[details.requestId].requestBody = requestBody;
          }
        }

        console.log(
          `NetworkCaptureV2: Captured request ${currentCount + 1}/${NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE} for tab ${details.tabId}: ${details.method} ${details.url}`,
        );
      }
    };

    // Send request headers
    this.listeners.onSendHeaders = (details: chrome.webRequest.WebRequestHeadersDetails) => {
      const captureInfo = this.captureData.get(details.tabId);
      if (!captureInfo || !captureInfo.requests[details.requestId]) return;

      if (details.requestHeaders) {
        const headers: Record<string, string> = {};
        details.requestHeaders.forEach((header) => {
          headers[header.name] = header.value || '';
        });
        captureInfo.requests[details.requestId].requestHeaders = headers;
      }
    };

    // Receive response headers
    this.listeners.onHeadersReceived = (details: chrome.webRequest.WebResponseHeadersDetails) => {
      const captureInfo = this.captureData.get(details.tabId);
      if (!captureInfo || !captureInfo.requests[details.requestId]) return;

      const requestInfo = captureInfo.requests[details.requestId];

      requestInfo.status = details.statusCode;
      requestInfo.statusText = details.statusLine;
      requestInfo.responseTime = details.timeStamp;
      requestInfo.mimeType = details.responseHeaders?.find(
        (h) => h.name.toLowerCase() === 'content-type',
      )?.value;

      // Secondary filtering based on MIME type
      if (
        requestInfo.mimeType &&
        this.shouldFilterByMimeType(requestInfo.mimeType, captureInfo.includeStatic)
      ) {
        delete captureInfo.requests[details.requestId];

        const currentCount = this.requestCounters.get(details.tabId) || 0;
        if (currentCount > 0) {
          this.requestCounters.set(details.tabId, currentCount - 1);
        }

        console.log(
          `NetworkCaptureV2: Filtered request by MIME type (${requestInfo.mimeType}): ${requestInfo.url}`,
        );
        return;
      }

      if (details.responseHeaders) {
        const headers: Record<string, string> = {};
        details.responseHeaders.forEach((header) => {
          headers[header.name] = header.value || '';
        });
        requestInfo.responseHeaders = headers;
      }

      this.updateLastActivityTime(details.tabId);
    };

    // Request completed
    this.listeners.onCompleted = (details: chrome.webRequest.WebResponseCacheDetails) => {
      const captureInfo = this.captureData.get(details.tabId);
      if (!captureInfo || !captureInfo.requests[details.requestId]) return;

      const requestInfo = captureInfo.requests[details.requestId];
      if ('responseSize' in details) {
        requestInfo.responseSize = details.fromCache ? 0 : (details as any).responseSize;
      }

      this.updateLastActivityTime(details.tabId);
    };

    // Request failed
    this.listeners.onErrorOccurred = (details: chrome.webRequest.WebResponseErrorDetails) => {
      const captureInfo = this.captureData.get(details.tabId);
      if (!captureInfo || !captureInfo.requests[details.requestId]) return;

      const requestInfo = captureInfo.requests[details.requestId];
      requestInfo.errorText = details.error;

      this.updateLastActivityTime(details.tabId);
    };

    // Register all listeners
    chrome.webRequest.onBeforeRequest.addListener(
      this.listeners.onBeforeRequest,
      { urls: ['<all_urls>'] },
      ['requestBody'],
    );

    chrome.webRequest.onSendHeaders.addListener(
      this.listeners.onSendHeaders,
      { urls: ['<all_urls>'] },
      ['requestHeaders'],
    );

    chrome.webRequest.onHeadersReceived.addListener(
      this.listeners.onHeadersReceived,
      { urls: ['<all_urls>'] },
      ['responseHeaders'],
    );

    chrome.webRequest.onCompleted.addListener(this.listeners.onCompleted, { urls: ['<all_urls>'] });

    chrome.webRequest.onErrorOccurred.addListener(this.listeners.onErrorOccurred, {
      urls: ['<all_urls>'],
    });
  }

  /**
   * Remove all request listeners
   * Only remove listeners when all tab captures have stopped
   */
  private removeListeners(): void {
    // Don't remove listeners if there are still tabs being captured
    if (this.captureData.size > 0) {
      console.log(
        `NetworkCaptureV2: Still capturing on ${this.captureData.size} tabs, not removing listeners.`,
      );
      return;
    }

    console.log(`NetworkCaptureV2: No more active captures, removing all listeners.`);

    if (this.listeners.onBeforeRequest) {
      chrome.webRequest.onBeforeRequest.removeListener(this.listeners.onBeforeRequest);
    }

    if (this.listeners.onSendHeaders) {
      chrome.webRequest.onSendHeaders.removeListener(this.listeners.onSendHeaders);
    }

    if (this.listeners.onHeadersReceived) {
      chrome.webRequest.onHeadersReceived.removeListener(this.listeners.onHeadersReceived);
    }

    if (this.listeners.onCompleted) {
      chrome.webRequest.onCompleted.removeListener(this.listeners.onCompleted);
    }

    if (this.listeners.onErrorOccurred) {
      chrome.webRequest.onErrorOccurred.removeListener(this.listeners.onErrorOccurred);
    }

    // Clear listener object
    this.listeners = {};
  }

  /**
   * Process request body data
   */
  private processRequestBody(requestBody: chrome.webRequest.WebRequestBody): string | undefined {
    if (requestBody.raw && requestBody.raw.length > 0) {
      return '[Binary data]';
    } else if (requestBody.formData) {
      return JSON.stringify(requestBody.formData);
    }
    return undefined;
  }

  /**
   * Start network request capture for specified tab
   * @param tabId Tab ID
   * @param options Capture options
   */
  private async startCaptureForTab(
    tabId: number,
    options: {
      maxCaptureTime: number;
      inactivityTimeout: number;
      includeStatic: boolean;
    },
  ): Promise<void> {
    const { maxCaptureTime, inactivityTimeout, includeStatic } = options;

    // If already capturing, stop first
    if (this.captureData.has(tabId)) {
      console.log(
        `NetworkCaptureV2: Already capturing on tab ${tabId}. Stopping previous session.`,
      );
      await this.stopCapture(tabId);
    }

    try {
      // Get tab information
      const tab = await chrome.tabs.get(tabId);

      // Initialize capture data
      this.captureData.set(tabId, {
        tabId: tabId,
        tabUrl: tab.url || '',
        tabTitle: tab.title || '',
        startTime: Date.now(),
        requests: {},
        maxCaptureTime,
        inactivityTimeout,
        includeStatic,
        limitReached: false,
      });

      // Initialize request counter
      this.requestCounters.set(tabId, 0);

      // Set up listeners
      this.setupListeners();

      // Update last activity time
      this.updateLastActivityTime(tabId);

      console.log(
        `NetworkCaptureV2: Started capture for tab ${tabId} (${tab.url}). Max requests: ${NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE}, Max time: ${maxCaptureTime}ms, Inactivity: ${inactivityTimeout}ms.`,
      );

      // Set maximum capture time
      if (maxCaptureTime > 0) {
        this.captureTimers.set(
          tabId,
          setTimeout(async () => {
            console.log(
              `NetworkCaptureV2: Max capture time (${maxCaptureTime}ms) reached for tab ${tabId}.`,
            );
            await this.stopCapture(tabId);
          }, maxCaptureTime),
        );
      }
    } catch (error: any) {
      console.error(`NetworkCaptureV2: Error starting capture for tab ${tabId}:`, error);

      // Clean up resources
      if (this.captureData.has(tabId)) {
        this.cleanupCapture(tabId);
      }

      throw error;
    }
  }

  /**
   * Stop capture
   * @param tabId Tab ID
   */
  public async stopCapture(
    tabId: number,
  ): Promise<{ success: boolean; message?: string; data?: any }> {
    const captureInfo = this.captureData.get(tabId);
    if (!captureInfo) {
      console.log(`NetworkCaptureV2: No capture in progress for tab ${tabId}`);
      return { success: false, message: `No capture in progress for tab ${tabId}` };
    }

    try {
      // Record end time
      captureInfo.endTime = Date.now();

      // Extract common request and response headers
      const requestsArray = Object.values(captureInfo.requests);
      const commonRequestHeaders = this.analyzeCommonHeaders(requestsArray, 'requestHeaders');
      const commonResponseHeaders = this.analyzeCommonHeaders(requestsArray, 'responseHeaders');

      // Process request data, remove common headers
      const processedRequests = requestsArray.map((req) => {
        const finalReq: NetworkRequestInfo = { ...req };

        if (finalReq.requestHeaders) {
          finalReq.specificRequestHeaders = this.filterOutCommonHeaders(
            finalReq.requestHeaders,
            commonRequestHeaders,
          );
          delete finalReq.requestHeaders;
        } else {
          finalReq.specificRequestHeaders = {};
        }

        if (finalReq.responseHeaders) {
          finalReq.specificResponseHeaders = this.filterOutCommonHeaders(
            finalReq.responseHeaders,
            commonResponseHeaders,
          );
          delete finalReq.responseHeaders;
        } else {
          finalReq.specificResponseHeaders = {};
        }

        return finalReq;
      });

      // Sort by time
      processedRequests.sort((a, b) => (a.requestTime || 0) - (b.requestTime || 0));

      // Remove listeners
      this.removeListeners();

      // Prepare result data
      const resultData = {
        captureStartTime: captureInfo.startTime,
        captureEndTime: captureInfo.endTime,
        totalDurationMs: captureInfo.endTime - captureInfo.startTime,
        settingsUsed: {
          maxCaptureTime: captureInfo.maxCaptureTime,
          inactivityTimeout: captureInfo.inactivityTimeout,
          includeStatic: captureInfo.includeStatic,
          maxRequests: NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE,
        },
        commonRequestHeaders,
        commonResponseHeaders,
        requests: processedRequests,
        requestCount: processedRequests.length,
        totalRequestsReceived: this.requestCounters.get(tabId) || 0,
        requestLimitReached: captureInfo.limitReached || false,
        tabUrl: captureInfo.tabUrl,
        tabTitle: captureInfo.tabTitle,
      };

      // Clean up resources
      this.cleanupCapture(tabId);

      return {
        success: true,
        data: resultData,
      };
    } catch (error: any) {
      console.error(`NetworkCaptureV2: Error stopping capture for tab ${tabId}:`, error);

      // Ensure resources are cleaned up
      this.cleanupCapture(tabId);

      return {
        success: false,
        message: `Error stopping capture: ${error.message || String(error)}`,
      };
    }
  }

  /**
   * Analyze common request or response headers
   */
  private analyzeCommonHeaders(
    requests: NetworkRequestInfo[],
    headerType: 'requestHeaders' | 'responseHeaders',
  ): Record<string, string> {
    if (!requests || requests.length === 0) return {};

    // Find headers that are included in all requests
    const commonHeaders: Record<string, string> = {};
    const firstRequestWithHeaders = requests.find(
      (req) => req[headerType] && Object.keys(req[headerType] || {}).length > 0,
    );

    if (!firstRequestWithHeaders || !firstRequestWithHeaders[headerType]) {
      return {};
    }

    // Get all headers from the first request
    const headers = firstRequestWithHeaders[headerType] as Record<string, string>;
    const headerNames = Object.keys(headers);

    // Check if each header exists in all requests with the same value
    for (const name of headerNames) {
      const value = headers[name];
      const isCommon = requests.every((req) => {
        const reqHeaders = req[headerType] as Record<string, string>;
        return reqHeaders && reqHeaders[name] === value;
      });

      if (isCommon) {
        commonHeaders[name] = value;
      }
    }

    return commonHeaders;
  }

  /**
   * Filter out common headers
   */
  private filterOutCommonHeaders(
    headers: Record<string, string>,
    commonHeaders: Record<string, string>,
  ): Record<string, string> {
    if (!headers || typeof headers !== 'object') return {};

    const specificHeaders: Record<string, string> = {};
    // Use Object.keys to avoid ESLint no-prototype-builtins warning
    Object.keys(headers).forEach((name) => {
      if (!(name in commonHeaders) || headers[name] !== commonHeaders[name]) {
        specificHeaders[name] = headers[name];
      }
    });

    return specificHeaders;
  }

  async execute(args: NetworkCaptureStartToolParams): Promise<ToolResult> {
    const {
      url: targetUrl,
      maxCaptureTime = 3 * 60 * 1000, // Default 3 minutes
      inactivityTimeout = 60 * 1000, // Default 1 minute of inactivity before auto-stop
      includeStatic = false, // Default: don't include static resources
    } = args;

    console.log(`NetworkCaptureStartTool: Executing with args:`, args);

    try {
      // Get current tab or create new tab
      let tabToOperateOn: chrome.tabs.Tab;

      if (targetUrl) {
        // Find tabs matching the URL
        const matchingTabs = await chrome.tabs.query({ url: targetUrl });

        if (matchingTabs.length > 0) {
          // Use existing tab
          tabToOperateOn = matchingTabs[0];
          console.log(`NetworkCaptureV2: Found existing tab with URL: ${targetUrl}`);
        } else {
          // Create new tab
          console.log(`NetworkCaptureV2: Creating new tab with URL: ${targetUrl}`);
          tabToOperateOn = await chrome.tabs.create({ url: targetUrl, active: true });

          // Wait for page to load
          await new Promise((resolve) => setTimeout(resolve, 1000));
        }
      } else {
        // Use current active tab
        const tabs = await chrome.tabs.query({ active: true, currentWindow: true });
        if (!tabs[0]) {
          return createErrorResponse('No active tab found');
        }
        tabToOperateOn = tabs[0];
      }

      if (!tabToOperateOn?.id) {
        return createErrorResponse('Failed to identify or create a tab');
      }

      // Use startCaptureForTab method to start capture
      try {
        await this.startCaptureForTab(tabToOperateOn.id, {
          maxCaptureTime,
          inactivityTimeout,
          includeStatic,
        });
      } catch (error: any) {
        return createErrorResponse(
          `Failed to start capture for tab ${tabToOperateOn.id}: ${error.message || String(error)}`,
        );
      }

      return {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              success: true,
              message: 'Network capture V2 started successfully, waiting for stop command.',
              tabId: tabToOperateOn.id,
              url: tabToOperateOn.url,
              maxCaptureTime,
              inactivityTimeout,
              includeStatic,
              maxRequests: NetworkCaptureStartTool.MAX_REQUESTS_PER_CAPTURE,
            }),
          },
        ],
        isError: false,
      };
    } catch (error: any) {
      console.error('NetworkCaptureStartTool: Critical error:', error);
      return createErrorResponse(
        `Error in NetworkCaptureStartTool: ${error.message || String(error)}`,
      );
    }
  }
}

/**
 * Network capture stop tool V2 - Stop webRequest API capture and return results
 */
class NetworkCaptureStopTool extends BaseBrowserToolExecutor {
  name = TOOL_NAMES.BROWSER.NETWORK_CAPTURE_STOP;
  public static instance: NetworkCaptureStopTool | null = null;

  constructor() {
    super();
    if (NetworkCaptureStopTool.instance) {
      return NetworkCaptureStopTool.instance;
    }
    NetworkCaptureStopTool.instance = this;
  }

  async execute(): Promise<ToolResult> {
    console.log(`NetworkCaptureStopTool: Executing`);

    try {
      const startTool = NetworkCaptureStartTool.instance;

      if (!startTool) {
        return createErrorResponse('Network capture V2 start tool instance not found');
      }

      // Get all tabs currently capturing
      const ongoingCaptures = Array.from(startTool.captureData.keys());
      console.log(
        `NetworkCaptureStopTool: Found ${ongoingCaptures.length} ongoing captures: ${ongoingCaptures.join(', ')}`,
      );

      if (ongoingCaptures.length === 0) {
        return createErrorResponse('No active network captures found in any tab.');
      }

      // Get current active tab
      const activeTabs = await chrome.tabs.query({ active: true, currentWindow: true });
      const activeTabId = activeTabs[0]?.id;

      // Determine the primary tab to stop
      let primaryTabId: number;

      if (activeTabId && startTool.captureData.has(activeTabId)) {
        // If current active tab is capturing, prioritize stopping it
        primaryTabId = activeTabId;
        console.log(
          `NetworkCaptureStopTool: Active tab ${activeTabId} is capturing, will stop it first.`,
        );
      } else if (ongoingCaptures.length === 1) {
        // If only one tab is capturing, stop it
        primaryTabId = ongoingCaptures[0];
        console.log(
          `NetworkCaptureStopTool: Only one tab ${primaryTabId} is capturing, stopping it.`,
        );
      } else {
        // If multiple tabs are capturing but current active tab is not among them, stop the first one
        primaryTabId = ongoingCaptures[0];
        console.log(
          `NetworkCaptureStopTool: Multiple tabs capturing, active tab not among them. Stopping tab ${primaryTabId} first.`,
        );
      }

      const stopResult = await startTool.stopCapture(primaryTabId);

      if (!stopResult.success) {
        return createErrorResponse(
          stopResult.message || `Failed to stop network capture for tab ${primaryTabId}`,
        );
      }

      // If multiple tabs are capturing, stop other tabs
      if (ongoingCaptures.length > 1) {
        const otherTabIds = ongoingCaptures.filter((id) => id !== primaryTabId);
        console.log(
          `NetworkCaptureStopTool: Stopping ${otherTabIds.length} additional captures: ${otherTabIds.join(', ')}`,
        );

        for (const tabId of otherTabIds) {
          try {
            await startTool.stopCapture(tabId);
          } catch (error) {
            console.error(`NetworkCaptureStopTool: Error stopping capture on tab ${tabId}:`, error);
          }
        }
      }
      return {
        content: [
          {
            type: 'text',
            text: JSON.stringify({
              success: true,
              message: `Capture complete. ${stopResult.data?.requestCount || 0} requests captured.`,
              tabId: primaryTabId,
              tabUrl: stopResult.data?.tabUrl || 'N/A',
              tabTitle: stopResult.data?.tabTitle || 'Unknown Tab',
              requestCount: stopResult.data?.requestCount || 0,
              commonRequestHeaders: stopResult.data?.commonRequestHeaders || {},
              commonResponseHeaders: stopResult.data?.commonResponseHeaders || {},
              requests: stopResult.data?.requests || [],
              captureStartTime: stopResult.data?.captureStartTime,
              captureEndTime: stopResult.data?.captureEndTime,
              totalDurationMs: stopResult.data?.totalDurationMs,
              settingsUsed: stopResult.data?.settingsUsed || {},
              totalRequestsReceived: stopResult.data?.totalRequestsReceived || 0,
              requestLimitReached: stopResult.data?.requestLimitReached || false,
              remainingCaptures: Array.from(startTool.captureData.keys()),
            }),
          },
        ],
        isError: false,
      };
    } catch (error: any) {
      console.error('NetworkCaptureStopTool: Critical error:', error);
      return createErrorResponse(
        `Error in NetworkCaptureStopTool: ${error.message || String(error)}`,
      );
    }
  }
}

export const networkCaptureStartTool = new NetworkCaptureStartTool();
export const networkCaptureStopTool = new NetworkCaptureStopTool();