// Copyright 2013 The Flutter 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 'dart:convert' as convert;
import 'dart:ffi' as ffi show Abi;
import 'dart:io' as io;

import 'package:engine_build_configs/engine_build_configs.dart';
import 'package:engine_repo_tools/engine_repo_tools.dart';
import 'package:engine_tool/src/commands/command_runner.dart';
import 'package:engine_tool/src/environment.dart';
import 'package:engine_tool/src/logger.dart';
import 'package:litetest/litetest.dart';
import 'package:platform/platform.dart';
import 'package:process_fakes/process_fakes.dart';
import 'package:process_runner/process_runner.dart';

import 'fixtures.dart' as fixtures;

void main() {
  final Engine engine;
  try {
    engine = Engine.findWithin();
  } catch (e) {
    io.stderr.writeln(e);
    io.exitCode = 1;
    return;
  }
  final BuilderConfig linuxTestConfig = BuilderConfig.fromJson(
    path: 'ci/builders/linux_test_config.json',
    map: convert.jsonDecode(fixtures.testConfig('Linux', Platform.linux))
        as Map<String, Object?>,
  );

  final BuilderConfig macTestConfig = BuilderConfig.fromJson(
    path: 'ci/builders/mac_test_config.json',
    map: convert.jsonDecode(fixtures.testConfig('Mac-12', Platform.macOS))
        as Map<String, Object?>,
  );

  final BuilderConfig winTestConfig = BuilderConfig.fromJson(
    path: 'ci/builders/win_test_config.json',
    map: convert.jsonDecode(fixtures.testConfig('Windows-11', Platform.windows))
        as Map<String, Object?>,
  );

  final Map<String, BuilderConfig> configs = <String, BuilderConfig>{
    'linux_test_config': linuxTestConfig,
    'linux_test_config2': linuxTestConfig,
    'mac_test_config': macTestConfig,
    'win_test_config': winTestConfig,
  };

  (Environment, List<List<String>>) macEnv(Logger logger) {
    final List<List<String>> runHistory = <List<String>>[];
    return (
      Environment(
        abi: ffi.Abi.macosArm64,
        engine: engine,
        platform: FakePlatform(
            operatingSystem: Platform.macOS,
            resolvedExecutable: io.Platform.resolvedExecutable,
            pathSeparator: '/'),
        processRunner: ProcessRunner(
            processManager: FakeProcessManager(onStart: (List<String> command) {
          runHistory.add(command);
          return FakeProcess();
        }, onRun: (List<String> command) {
          // Should not be executed.
          assert(false);
          return io.ProcessResult(81, 1, '', '');
        })),
        logger: logger,
      ),
      runHistory
    );
  }

  test('invoked linters', () async {
    final Logger logger = Logger.test();
    final (Environment env, List<List<String>> runHistory) = macEnv(logger);
    final ToolCommandRunner runner = ToolCommandRunner(
      environment: env,
      configs: configs,
    );
    final int result = await runner.run(<String>['lint']);
    expect(result, equals(0));
    expect(runHistory.length, greaterThanOrEqualTo(4));
    expect(runHistory[0].firstOrNull, contains('analyze.sh'));
  });
}