// The doctor's "declare the system AI's Ollama as a host service"
// suggestion and the shell's one-time update hint — both are pure
// functions so every branch is pinned here.

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';

import 'package:chain_studio/data/hub.dart';
import 'package:chain_studio/main.dart'
    show StudioApp, shouldShowUpdateHint;
import 'package:chain_studio/pages/doctor.dart'
    show suggestOllamaServiceEndpoint;

import 'support/fake_hub.dart';

SystemAiStatus _ai({
  bool enabled = true,
  String provider = 'ollama',
  String endpoint = 'http://127.0.0.1:11434/v1',
}) => SystemAiStatus(
  enabled: enabled,
  provider: provider,
  endpoint: endpoint,
  model: 'qwen2.5:14b',
  privacyMode: 'off',
  apiKeyEnv: '',
);

void main() {
  group('suggestOllamaServiceEndpoint', () {
    test('suggests the base URL with the /v1 suffix stripped', () {
      expect(
        suggestOllamaServiceEndpoint(ai: _ai(), services: const []),
        'http://127.0.0.1:11434',
      );
    });

    test('nothing to suggest when AI is off or another provider', () {
      expect(
        suggestOllamaServiceEndpoint(ai: _ai(enabled: false), services: const []),
        isNull,
      );
      expect(
        suggestOllamaServiceEndpoint(
          ai: _ai(provider: 'openai'),
          services: const [],
        ),
        isNull,
      );
      expect(
        suggestOllamaServiceEndpoint(ai: _ai(endpoint: ''), services: const []),
        isNull,
      );
    });

    test('a declared service on the same host:port silences it', () {
      expect(
        suggestOllamaServiceEndpoint(
          ai: _ai(),
          services: const [
            ServiceEntry(
              name: 'my-llm',
              endpoint: 'http://127.0.0.1:11434',
              tags: [],
            ),
          ],
        ),
        isNull,
      );
    });

    test('a service on another port does not silence it', () {
      expect(
        suggestOllamaServiceEndpoint(
          ai: _ai(),
          services: const [
            ServiceEntry(
              name: 'judge-ner',
              endpoint: 'http://127.0.0.1:8756',
              tags: [],
            ),
          ],
        ),
        'http://127.0.0.1:11434',
      );
    });
  });

  testWidgets('the shell hints once and dismisses persistently', (
    tester,
  ) async {
    SharedPreferences.setMockInitialValues({});
    final fake = installFakeHub();
    fake.updateHint = const UpdateStatus(
      channel: 'stable',
      localVersion: '0.22.0',
      latestVersion: '0.23.0',
      updateAvailable: true,
      manifestReachable: true,
    );
    await tester.pumpWidget(
      const StudioApp(
        initialThemeMode: ThemeModeValue.dark,
        initialLocale: Locale('de'),
      ),
    );
    for (var i = 0; i < 8; i++) {
      await tester.pump(const Duration(milliseconds: 100));
    }
    expect(find.textContaining('0.23.0'), findsOneWidget);
    await tester.tap(find.text('Später'));
    await tester.pump(const Duration(milliseconds: 100));
    expect(find.textContaining('0.23.0'), findsNothing);
    // Dismissal is persisted per version.
    final prefs = await SharedPreferences.getInstance();
    expect(prefs.getString('update.hint.dismissed'), '0.23.0');
    // Drain shell timers (a11y-suite pattern).
    await tester.pumpWidget(const SizedBox.shrink());
    await tester.pump(const Duration(minutes: 1));
  });

  group('shouldShowUpdateHint', () {
    test('hints once per release version', () {
      expect(
        shouldShowUpdateHint(latestVersion: '0.23.0', dismissedVersion: null),
        isTrue,
      );
      expect(
        shouldShowUpdateHint(
          latestVersion: '0.23.0',
          dismissedVersion: '0.22.0',
        ),
        isTrue,
      );
      expect(
        shouldShowUpdateHint(
          latestVersion: '0.23.0',
          dismissedVersion: '0.23.0',
        ),
        isFalse,
      );
      expect(
        shouldShowUpdateHint(latestVersion: '', dismissedVersion: null),
        isFalse,
      );
    });
  });
}