// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

import '../base/common.dart';
import '../base/file_system.dart';
import '../base/io.dart';
import '../base/logger.dart';
import '../base/process_manager.dart';
import '../build_info.dart';
import '../convert.dart';
import '../globals.dart';
import '../ios/xcodeproj.dart';
import '../project.dart';
import '../usage.dart';
import 'cocoapod_utils.dart';

/// Builds the macOS project through xcodebuild.
// TODO(jonahwilliams): refactor to share code with the existing iOS code.
Future<void> buildMacOS({
  FlutterProject flutterProject,
  BuildInfo buildInfo,
  String targetOverride,
}) async {
  final Directory flutterBuildDir = fs.directory(getMacOSBuildDirectory());
  if (!flutterBuildDir.existsSync()) {
    flutterBuildDir.createSync(recursive: true);
  }
  // Write configuration to an xconfig file in a standard location.
  await updateGeneratedXcodeProperties(
    project: flutterProject,
    buildInfo: buildInfo,
    targetOverride: targetOverride,
    useMacOSConfig: true,
    setSymroot: false,
  );
  await processPodsIfNeeded(flutterProject.macos, getMacOSBuildDirectory(), buildInfo.mode);

  // Set debug or release mode.
  String config = 'Debug';
  if (buildInfo.isRelease) {
    config = 'Release';
  }
  // Run build script provided by application.
  final Stopwatch sw = Stopwatch()..start();
  final Process process = await processManager.start(<String>[
    '/usr/bin/env',
    'xcrun',
    'xcodebuild',
    '-workspace', flutterProject.macos.xcodeWorkspace.path,
    '-configuration', '$config',
    '-scheme', 'Runner',
    '-derivedDataPath', flutterBuildDir.absolute.path,
    'OBJROOT=${fs.path.join(flutterBuildDir.absolute.path, 'Build', 'Intermediates.noindex')}',
    'SYMROOT=${fs.path.join(flutterBuildDir.absolute.path, 'Build', 'Products')}',
  ], runInShell: true);
  final Status status = logger.startProgress(
    'Building macOS application...',
    timeout: null,
  );
  int result;
  try {
    process.stderr
      .transform(utf8.decoder)
      .transform(const LineSplitter())
      .listen(printError);
    process.stdout
      .transform(utf8.decoder)
      .transform(const LineSplitter())
      .listen(printTrace);
    result = await process.exitCode;
  } finally {
    status.cancel();
  }
  if (result != 0) {
    throwToolExit('Build process failed');
  }
  flutterUsage.sendTiming('build', 'xcode-macos', Duration(milliseconds: sw.elapsedMilliseconds));
}