stackdriver = require('cloud-debug-proxy-common');

class CustomDebugProxy {
  constructor() {
    this.debugProxy = new stackdriver.DebugProxy({
      debuggerId: 'debuggerId',
      sourceDirectory: './',
    });
  }

  // Call this to initialize your proxy.
  async initialize() {
    // Prompt the user to choose a keyFile, or leave blank to use the default.
    await this.debugProxy.setProjectByKeyFile();

    // Prompt the user to select a debuggee from the list.
    const debuggeeList = await this.debugProxy.getDebuggees();
    console.log(debuggeeList);
    this.debugProxy.setDebuggeeId(debuggeeList[0].id);

    // Listen for breakpoint changes.
    this.debugProxy.on('breakpointHit', () => {
      console.log('hit a breakpoint!');
    });
  }

  // Call this after your proxy is fully initialized.
  async pollForPendingBreakpoints() {
    while (true) {
      await this.debugProxy.updatePendingBreakpoints(true);
   }
  }

  // Call this when the user adds a breakpoint in the IDE.
  // This sample breakpoint has path, line, and condition properties.
  async setBreakpoint(breakpoint) {
    const stackdriverBreakpoint = await this.debugProxy.setBreakpoint({
      action: stackdriver.Action.CAPTURE,
      location: {
        path: breakpoint.path,
        line: breakpoint.line,
      },
      condition: breakpoint.condition,
    });
    return {
      path: stackdriverBreakpoint.location.path,
      line: stackdriverBreakpoint.location.line,
      condition: stackdriverBreakpoint.condition,
    };
  }
}