import 'dart:convert';

import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:http/http.dart' as http;
import 'package:http/testing.dart';

import 'package:appsok/src/models/jenkins_build.dart';
import 'package:appsok/src/services/artifact_staging_service.dart';
import 'package:appsok/src/services/jenkins_artifact_session.dart';
import 'package:appsok/src/services/jenkins_client.dart';
import 'package:appsok/src/services/token_store.dart';

void main() {
  const credentials = JenkinsCredentials(username: 'user', apiToken: 'token');
  const baseUrl = 'https://jenkins.example';

  setUp(() {
    FlutterSecureStorage.setMockInitialValues({});
  });

  test('restore validates stored session with current user api', () async {
    FlutterSecureStorage.setMockInitialValues({
      'jenkins.baseUrl': baseUrl,
      'jenkins.username': credentials.username,
      'jenkins.apiToken': credentials.apiToken,
    });

    Uri? capturedUri;
    Map<String, String>? capturedHeaders;

    final session = JenkinsArtifactSession(
      store: TokenStore(),
      client: JenkinsClient(
        client: MockClient((request) async {
          capturedUri = request.url;
          capturedHeaders = request.headers;

          if (request.url.path.endsWith('whoAmI/api/json')) {
            return http.Response(jsonEncode({'id': 'user'}), 200);
          }

          return http.Response('unexpected', 400);
        }),
      ),
      stager: ArtifactStagingService(),
    );

    final restored = await session.restore();

    expect(restored, isTrue);
    expect(capturedUri?.path, '/whoAmI/api/json');
    expect(
      capturedHeaders?['Authorization'],
      'Basic ${base64Encode(utf8.encode('user:token'))}',
    );
  });

  test('loadJobs delegates to JenkinsClient with stored base url and credentials', () async {
    FlutterSecureStorage.setMockInitialValues({
      'jenkins.baseUrl': baseUrl,
      'jenkins.username': credentials.username,
      'jenkins.apiToken': credentials.apiToken,
    });

    Uri? jobsUri;

    final session = JenkinsArtifactSession(
      store: TokenStore(),
      client: JenkinsClient(
        client: MockClient((request) async {
          if (request.url.path.endsWith('whoAmI/api/json')) {
            return http.Response(jsonEncode({'id': 'user'}), 200);
          }

          if (request.url.path.endsWith('api/json')) {
            jobsUri = request.url;
            return http.Response(
              jsonEncode({'jobs': []}),
              200,
            );
          }

          return http.Response('unexpected', 400);
        }),
      ),
      stager: ArtifactStagingService(),
    );

    await session.restore();
    await session.loadJobs();

    expect(jobsUri, isNotNull);
    expect(jobsUri?.path, '/api/json');
    expect(jobsUri?.host, 'jenkins.example');
  });

  test('downloadArtifact builds Jenkins artifact URL from build url and relative path',
      () async {
    FlutterSecureStorage.setMockInitialValues({
      'jenkins.baseUrl': baseUrl,
      'jenkins.username': credentials.username,
      'jenkins.apiToken': credentials.apiToken,
    });

    Uri? artifactUri;

    final session = JenkinsArtifactSession(
      store: TokenStore(),
      client: JenkinsClient(
        client: MockClient((request) async {
          if (request.url.path.endsWith('whoAmI/api/json')) {
            return http.Response(jsonEncode({'id': 'user'}), 200);
          }

          if (request.url.path.endsWith('artifact/file.apk')) {
            artifactUri = request.url;
            return http.Response.bytes([], 200);
          }

          if (request.url.path.endsWith('api/json')) {
            return http.Response(jsonEncode({'jobs': []}), 200);
          }

          return http.Response('unexpected', 400);
        }),
      ),
      stager: ArtifactStagingService(),
    );

    await session.restore();

    final task = session.downloadArtifact(
      JenkinsBuild(
        number: 1,
        jobName: 'app',
        url: Uri.parse('$baseUrl/job/app/1/'),
        startedAt: DateTime(2026),
        result: 'SUCCESS',
        artifacts: const [
          BuildArtifact(fileName: 'app.apk', relativePath: 'artifact/file.apk'),
        ],
      ),
      const BuildArtifact(fileName: 'file.apk', relativePath: 'artifact/file.apk'),
    );

    await task.events.toList();

    expect(artifactUri, isNotNull);
    expect(artifactUri?.path, '/job/app/1/artifact/artifact/file.apk');
  });

  test('returns unavailable state when session config is missing', () async {
    final session = JenkinsArtifactSession(
      store: TokenStore(),
      client: JenkinsClient(
        client: MockClient((_) async => http.Response('', 200)),
      ),
      stager: ArtifactStagingService(),
    );

    final restored = await session.restore();

    expect(restored, isFalse);
    expect(session.isRestored, isFalse);
  });
}