import { Worker } from 'node:worker_threads';
import { defineIntegration, debug } from '@sentry/core';
import { isDebuggerEnabled } from '../../utils/debug.js';
import { LOCAL_VARIABLES_KEY, functionNamesMatch } from './common.js';

// This string is a placeholder that gets overwritten with the worker code.
const base64WorkerScript = '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';

function log(...args) {
  debug.log('[LocalVariables]', ...args);
}

/**
 * Adds local variables to exception frames
 */
const localVariablesAsyncIntegration = defineIntegration(((
  integrationOptions = {},
) => {
  function addLocalVariablesToException(exception, localVariables) {
    // Filter out frames where the function name is `new Promise` since these are in the error.stack frames
    // but do not appear in the debugger call frames
    const frames = (exception.stacktrace?.frames || []).filter(frame => frame.function !== 'new Promise');

    for (let i = 0; i < frames.length; i++) {
      // Sentry frames are in reverse order
      const frameIndex = frames.length - i - 1;

      const frameLocalVariables = localVariables[i];
      const frame = frames[frameIndex];

      if (!frame || !frameLocalVariables) {
        // Drop out if we run out of frames to match up
        break;
      }

      if (
        // We need to have vars to add
        frameLocalVariables.vars === undefined ||
        // Only skip out-of-app frames if includeOutOfAppFrames is not true
        (frame.in_app === false && integrationOptions.includeOutOfAppFrames !== true) ||
        // The function names need to match
        !functionNamesMatch(frame.function, frameLocalVariables.function)
      ) {
        continue;
      }

      frame.vars = frameLocalVariables.vars;
    }
  }

  function addLocalVariablesToEvent(event, hint) {
    if (
      hint.originalException &&
      typeof hint.originalException === 'object' &&
      LOCAL_VARIABLES_KEY in hint.originalException &&
      Array.isArray(hint.originalException[LOCAL_VARIABLES_KEY])
    ) {
      for (const exception of event.exception?.values || []) {
        addLocalVariablesToException(exception, hint.originalException[LOCAL_VARIABLES_KEY]);
      }

      hint.originalException[LOCAL_VARIABLES_KEY] = undefined;
    }

    return event;
  }

  async function startInspector() {
    // We load inspector dynamically because on some platforms Node is built without inspector support
    const inspector = await import('node:inspector');
    if (!inspector.url()) {
      inspector.open(0);
    }
  }

  function startWorker(options) {
    const worker = new Worker(new URL(`data:application/javascript;base64,${base64WorkerScript}`), {
      workerData: options,
      // We don't want any Node args to be passed to the worker
      execArgv: [],
      env: { ...process.env, NODE_OPTIONS: undefined },
    });

    process.on('exit', () => {
      // eslint-disable-next-line @typescript-eslint/no-floating-promises
      worker.terminate();
    });

    worker.once('error', (err) => {
      log('Worker error', err);
    });

    worker.once('exit', (code) => {
      log('Worker exit', code);
    });

    // Ensure this thread can't block app exit
    worker.unref();
  }

  return {
    name: 'LocalVariablesAsync',
    async setup(client) {
      const clientOptions = client.getOptions();

      if (!clientOptions.includeLocalVariables) {
        return;
      }

      if (await isDebuggerEnabled()) {
        debug.warn('Local variables capture has been disabled because the debugger was already enabled');
        return;
      }

      const options = {
        ...integrationOptions,
        debug: debug.isEnabled(),
      };

      startInspector().then(
        () => {
          try {
            startWorker(options);
          } catch (e) {
            debug.error('Failed to start worker', e);
          }
        },
        e => {
          debug.error('Failed to start inspector', e);
        },
      );
    },
    processEvent(event, hint) {
      return addLocalVariablesToEvent(event, hint);
    },
  };
}) );

export { base64WorkerScript, localVariablesAsyncIntegration };
//# sourceMappingURL=local-variables-async.js.map