import 'dart:io';

import 'package:archive/archive.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:peach/Peach/about/internal/application/ServiceConfig.dart';
import 'package:peach/Peach/about/internal/file/BuildService.dart';
import 'package:peach/Peach/about/internal/file/WebArchive.dart';

void main() {
  test('buildWeb locates the React build/ output', () async {
    final dir = Directory.systemTemp.createTempSync('peachdeploy_web_test');
    addTearDown(() => dir.deleteSync(recursive: true));

    Directory('${dir.path}/build').createSync(recursive: true);
    File('${dir.path}/build/index.html').writeAsStringSync('<html></html>');
    File('${dir.path}/build/main.js').writeAsStringSync('console.log(1)');

    final svc = ServiceConfig(
      name: 'site',
      kind: ServiceKind.webApp,
      framework: WebFramework.react,
      localProjectPath: dir.path,
      buildCommand: Platform.isWindows ? 'echo building' : 'true',
    );

    final build = BuildService();
    addTearDown(build.dispose);

    final result = await build.buildWeb(svc);
    expect(result.ok, isTrue, reason: result.message);
    expect(result.dir, isNotNull);
    expect(result.dir!.path.replaceAll('\\', '/'), endsWith('build'));
  });

  test('static framework needs no build and publishes the folder', () async {
    final dir = Directory.systemTemp.createTempSync('peachdeploy_static_test');
    addTearDown(() => dir.deleteSync(recursive: true));
    File('${dir.path}/index.html').writeAsStringSync('<html></html>');

    final svc = ServiceConfig(
      name: 'static',
      kind: ServiceKind.webApp,
      framework: WebFramework.staticFiles,
      localProjectPath: dir.path,
    );
    final build = BuildService();
    addTearDown(build.dispose);

    final result = await build.buildWeb(svc);
    expect(result.ok, isTrue, reason: result.message);
    expect(result.dir, isNotNull);
  });

  test('WebArchive tar.gz round-trips files at the archive root', () {
    final dir = Directory.systemTemp.createTempSync('peachdeploy_arch_test');
    addTearDown(() => dir.deleteSync(recursive: true));
    File('${dir.path}/index.html').writeAsStringSync('hello');
    Directory('${dir.path}/assets').createSync();
    File('${dir.path}/assets/app.js').writeAsStringSync('x = 1;');

    final (bytes, count) = WebArchive.tarGz(dir);
    expect(count, 2);

    final tar = GZipDecoder().decodeBytes(bytes);
    final archive = TarDecoder().decodeBytes(tar);
    final names = archive.files.map((f) => f.name).toSet();
    // Paths must be POSIX (forward slashes) so `tar` on Linux rebuilds the
    // directory tree instead of creating literal `assets\app.js` files.
    expect(names.any((n) => n.contains('\\')), isFalse,
        reason: 'archive entries must use forward slashes');
    expect(names, contains('index.html'));
    expect(names, contains('assets/app.js'));
  });
}