'use strict';

var _templateObject = _taggedTemplateLiteral(['\n      Cypress executable not found at: ', '\n    '], ['\n      Cypress executable not found at: ', '\n    ']),
    _templateObject2 = _taggedTemplateLiteral(['\n  It looks like this is your first time using Cypress: ', '\n  '], ['\n  It looks like this is your first time using Cypress: ', '\n  ']),
    _templateObject3 = _taggedTemplateLiteral(['\n      ', ' You have set the environment variable:\n\n      ', '', '\n\n      This overrides the default Cypress binary path used.\n    '], ['\n      ', ' You have set the environment variable:\n\n      ', '', '\n\n      This overrides the default Cypress binary path used.\n    ']),
    _templateObject4 = _taggedTemplateLiteral(['\n          The supplied binary path is not executable\n          '], ['\n          The supplied binary path is not executable\n          ']),
    _templateObject5 = _taggedTemplateLiteral(['\n\n\n      ', ' Warning: Binary version ', ' does not match the expected package version ', '\n\n        These versions may not work properly together.\n      '], ['\n\n\n      ', ' Warning: Binary version ', ' does not match the expected package version ', '\n\n        These versions may not work properly together.\n      ']);

function _taggedTemplateLiteral(strings, raw) { return Object.freeze(Object.defineProperties(strings, { raw: { value: Object.freeze(raw) } })); }

var _ = require('lodash');
var chalk = require('chalk');
var Listr = require('listr');
var debug = require('debug')('cypress:cli');
var verbose = require('@cypress/listr-verbose-renderer');

var _require = require('common-tags'),
    stripIndent = _require.stripIndent;

var Promise = require('bluebird');
var logSymbols = require('log-symbols');
var path = require('path');
var os = require('os');

var _require2 = require('../errors'),
    throwFormErrorText = _require2.throwFormErrorText,
    errors = _require2.errors;

var util = require('../util');
var logger = require('../logger');
var xvfb = require('../exec/xvfb');
var state = require('./state');

var VERIFY_TEST_RUNNER_TIMEOUT_MS = 30000;

var checkExecutable = function checkExecutable(binaryDir) {
  var executable = state.getPathToExecutable(binaryDir);

  debug('checking if executable exists', executable);

  return util.isExecutableAsync(executable).then(function (isExecutable) {
    debug('Binary is executable? :', isExecutable);
    if (!isExecutable) {
      return throwFormErrorText(errors.binaryNotExecutable(executable))();
    }
  }).catch({ code: 'ENOENT' }, function () {
    if (util.isCi()) {
      return throwFormErrorText(errors.notInstalledCI(executable))();
    }

    return throwFormErrorText(errors.missingApp(binaryDir))(stripIndent(_templateObject, chalk.cyan(executable)));
  });
};

var runSmokeTest = function runSmokeTest(binaryDir, options) {
  var executable = state.getPathToExecutable(binaryDir);

  var onSmokeTestError = function onSmokeTestError(smokeTestCommand, linuxWithDisplayEnv) {
    return function (err) {
      debug('Smoke test failed:', err);

      var errMessage = err.stderr || err.message;

      debug('error message:', errMessage);

      if (err.timedOut) {
        debug('error timedOut is true');

        return throwFormErrorText(errors.smokeTestFailure(smokeTestCommand, true))(errMessage);
      }

      if (linuxWithDisplayEnv && util.isBrokenGtkDisplay(errMessage)) {
        util.logBrokenGtkDisplayWarning();

        return throwFormErrorText(errors.invalidSmokeTestDisplayError)(errMessage);
      }

      return throwFormErrorText(errors.missingDependency)(errMessage);
    };
  };

  var needsXvfb = xvfb.isNeeded();

  debug('needs Xvfb?', needsXvfb);

  /**
   * Spawn Cypress running smoke test to check if all operating system
   * dependencies are good.
   */
  var spawn = function spawn(linuxWithDisplayEnv) {
    var random = _.random(0, 1000);
    var args = ['--smoke-test', '--ping=' + random];

    if (needsSandbox()) {
      // electron requires --no-sandbox to run as root
      debug('disabling Electron sandbox');
      args.unshift('--no-sandbox');
    }

    if (options.dev) {
      executable = 'node';
      args.unshift(path.resolve(__dirname, '..', '..', '..', 'scripts', 'start.js'));
    }

    var smokeTestCommand = executable + ' ' + args.join(' ');

    debug('running smoke test');
    debug('using Cypress executable %s', executable);
    debug('smoke test command:', smokeTestCommand);
    debug('smoke test timeout %d ms', options.smokeTestTimeout);

    var env = _.extend({}, process.env, {
      ELECTRON_ENABLE_LOGGING: true
    });

    var stdioOptions = _.extend({}, {
      env: env,
      timeout: options.smokeTestTimeout
    });

    return Promise.resolve(util.exec(executable, args, stdioOptions)).catch(onSmokeTestError(smokeTestCommand, linuxWithDisplayEnv)).then(function (result) {
      // TODO: when execa > 1.1 is released
      // change this to `result.all` for both stderr and stdout
      // use lodash to be robust during tests against null result or missing stdout
      var smokeTestStdout = _.get(result, 'stdout', '');

      debug('smoke test stdout "%s"', smokeTestStdout);

      if (!util.stdoutLineMatches(String(random), smokeTestStdout)) {
        debug('Smoke test failed because could not find %d in:', random, result);

        var smokeTestStderr = _.get(result, 'stderr', '');
        var errorText = smokeTestStderr || smokeTestStdout;

        return throwFormErrorText(errors.smokeTestFailure(smokeTestCommand, false))(errorText);
      }
    });
  };

  var spawnInXvfb = function spawnInXvfb(linuxWithDisplayEnv) {
    return xvfb.start().then(function () {
      return spawn(linuxWithDisplayEnv);
    }).finally(xvfb.stop);
  };

  var userFriendlySpawn = function userFriendlySpawn(linuxWithDisplayEnv) {
    debug('spawning, should retry on display problem?', Boolean(linuxWithDisplayEnv));

    return spawn(linuxWithDisplayEnv).catch({ code: 'INVALID_SMOKE_TEST_DISPLAY_ERROR' }, function () {
      return spawnInXvfb(linuxWithDisplayEnv);
    });
  };

  if (needsXvfb) {
    return spawnInXvfb();
  }

  // if we are on linux and there's already a DISPLAY
  // set, then we may need to rerun cypress after
  // spawning our own Xvfb server
  var linuxWithDisplayEnv = util.isPossibleLinuxWithIncorrectDisplay();

  return userFriendlySpawn(linuxWithDisplayEnv);
};

function testBinary(version, binaryDir, options) {
  debug('running binary verification check', version);

  logger.log(stripIndent(_templateObject2, chalk.cyan(version)));

  logger.log();

  // if we are running in CI then use
  // the verbose renderer else use
  // the default
  var renderer = util.isCi() ? verbose : 'default';

  if (logger.logLevel() === 'silent') renderer = 'silent';

  var rendererOptions = {
    renderer: renderer
  };

  var tasks = new Listr([{
    title: util.titleize('Verifying Cypress can run', chalk.gray(binaryDir)),
    task: function task(ctx, _task) {
      debug('clearing out the verified version');

      return state.clearBinaryStateAsync(binaryDir).then(function () {
        return Promise.all([runSmokeTest(binaryDir, options), Promise.resolve().delay(1500)] // good user experience
        );
      }).then(function () {
        debug('write verified: true');

        return state.writeBinaryVerifiedAsync(true, binaryDir);
      }).then(function () {
        util.setTaskTitle(_task, util.titleize(chalk.green('Verified Cypress!'), chalk.gray(binaryDir)), rendererOptions.renderer);
      });
    }
  }], rendererOptions);

  return tasks.run();
}

var maybeVerify = function maybeVerify(installedVersion, binaryDir, options) {
  return state.getBinaryVerifiedAsync(binaryDir).then(function (isVerified) {
    debug('is Verified ?', isVerified);

    var shouldVerify = !isVerified;

    // force verify if options.force
    if (options.force) {
      debug('force verify');
      shouldVerify = true;
    }

    if (shouldVerify) {
      return testBinary(installedVersion, binaryDir, options).then(function () {
        if (options.welcomeMessage) {
          logger.log();
          logger.log('Opening Cypress...');
        }
      });
    }
  });
};

var start = function start() {
  var options = arguments.length > 0 && arguments[0] !== undefined ? arguments[0] : {};

  debug('verifying Cypress app');

  var packageVersion = util.pkgVersion();
  var binaryDir = state.getBinaryDir(packageVersion);

  _.defaults(options, {
    dev: false,
    force: false,
    welcomeMessage: true,
    smokeTestTimeout: VERIFY_TEST_RUNNER_TIMEOUT_MS
  });

  if (options.dev) {
    return runSmokeTest('', options);
  }

  var parseBinaryEnvVar = function parseBinaryEnvVar() {
    var envBinaryPath = util.getEnv('CYPRESS_RUN_BINARY');

    debug('CYPRESS_RUN_BINARY exists, =', envBinaryPath);
    logger.log(stripIndent(_templateObject3, chalk.yellow('Note:'), chalk.white('CYPRESS_RUN_BINARY='), chalk.cyan(envBinaryPath)));

    logger.log();

    return util.isExecutableAsync(envBinaryPath).then(function (isExecutable) {
      debug('CYPRESS_RUN_BINARY is executable? :', isExecutable);
      if (!isExecutable) {
        return throwFormErrorText(errors.CYPRESS_RUN_BINARY.notValid(envBinaryPath))(stripIndent(_templateObject4));
      }
    }).then(function () {
      return state.parseRealPlatformBinaryFolderAsync(envBinaryPath);
    }).then(function (envBinaryDir) {
      if (!envBinaryDir) {
        return throwFormErrorText(errors.CYPRESS_RUN_BINARY.notValid(envBinaryPath))();
      }

      debug('CYPRESS_RUN_BINARY has binaryDir:', envBinaryDir);

      binaryDir = envBinaryDir;
    }).catch({ code: 'ENOENT' }, function (err) {
      return throwFormErrorText(errors.CYPRESS_RUN_BINARY.notValid(envBinaryPath))(err.message);
    });
  };

  return Promise.try(function () {
    debug('checking environment variables');
    if (util.getEnv('CYPRESS_RUN_BINARY')) {
      return parseBinaryEnvVar();
    }
  }).then(function () {
    return checkExecutable(binaryDir);
  }).tap(function () {
    return debug('binaryDir is ', binaryDir);
  }).then(function () {
    return state.getBinaryPkgVersionAsync(binaryDir);
  }).then(function (binaryVersion) {
    if (!binaryVersion) {
      debug('no Cypress binary found for cli version ', packageVersion);

      return throwFormErrorText(errors.missingApp(binaryDir))('\n      Cannot read binary version from: ' + chalk.cyan(state.getBinaryPkgPath(binaryDir)) + '\n    ');
    }

    debug('Found binary version ' + chalk.green(binaryVersion) + ' installed in: ' + chalk.cyan(binaryDir));

    if (binaryVersion !== packageVersion) {
      // warn if we installed with CYPRESS_INSTALL_BINARY or changed version
      // in the package.json
      logger.log('Found binary version ' + chalk.green(binaryVersion) + ' installed in: ' + chalk.cyan(binaryDir));
      logger.log();
      logger.warn(stripIndent(_templateObject5, logSymbols.warning, chalk.green(binaryVersion), chalk.green(packageVersion)));

      logger.log();
    }

    return maybeVerify(binaryVersion, binaryDir, options);
  }).catch(function (err) {
    if (err.known) {
      throw err;
    }

    return throwFormErrorText(errors.unexpected)(err.stack);
  });
};

var isLinuxLike = function isLinuxLike() {
  return os.platform() !== 'win32';
};

/**
 * Returns true if running on a system where Electron needs "--no-sandbox" flag.
 * @see https://crbug.com/638180
 *
 * On Debian we had problems running in sandbox even for non-root users.
 * @see https://github.com/cypress-io/cypress/issues/5434
 * Seems there is a lot of discussion around this issue among Electron users
 * @see https://github.com/electron/electron/issues/17972
*/
var needsSandbox = function needsSandbox() {
  return isLinuxLike();
};

module.exports = {
  start: start,
  VERIFY_TEST_RUNNER_TIMEOUT_MS: VERIFY_TEST_RUNNER_TIMEOUT_MS,
  needsSandbox: needsSandbox
};