import 'package:fabled_app/data/models/calendar_event.dart';
import 'package:fabled_app/data/api/voice_api.dart';
import 'package:fabled_app/data/repositories/write_queue.dart';
import 'package:fabled_app/providers/voice_provider.dart';
import 'package:fabled_app/data/models/knowledge_item.dart';
import 'package:fabled_app/data/models/note.dart';
import 'package:flutter_test/flutter_test.dart';

void main() {
  group('Note.fromJson', () {
    test('parses noteType when present', () {
      final json = {
        'id': 1,
        'title': 'Alice',
        'body': '',
        'tags': <dynamic>[],
        'note_type': 'person',
        'created_at': '2024-01-01T00:00:00',
        'updated_at': '2024-01-01T00:00:00',
      };
      final note = Note.fromJson(json);
      expect(note.noteType, equals('person'));
    });

    test('defaults noteType to note when absent', () {
      final json = {
        'id': 2,
        'title': 'My note',
        'body': '',
        'tags': <dynamic>[],
        'created_at': '2024-01-01T00:00:00',
        'updated_at': '2024-01-01T00:00:00',
      };
      final note = Note.fromJson(json);
      expect(note.noteType, equals('note'));
    });
  });

  group('KnowledgeItem.fromJson', () {
    test('parses a task item with task fields', () {
      final json = {
        'id': 10,
        'note_type': 'task',
        'title': 'Do the thing',
        'body': '',
        'tags': <dynamic>[],
        'status': 'todo',
        'priority': 'high',
        'due_date': '2025-01-01',
        'created_at': '2024-01-01T00:00:00',
        'updated_at': '2024-01-01T00:00:00',
      };
      final item = KnowledgeItem.fromJson(json);
      expect(item.noteType, equals('task'));
      expect(item.status, equals('todo'));
      expect(item.priority, equals('high'));
    });

    test('defaults noteType to note when absent', () {
      final json = {
        'id': 11,
        'title': 'A note',
        'body': '',
        'tags': <dynamic>[],
        'created_at': '2024-01-01T00:00:00',
        'updated_at': '2024-01-01T00:00:00',
      };
      final item = KnowledgeItem.fromJson(json);
      expect(item.noteType, equals('note'));
      expect(item.status, isNull);
    });
  });

  group('VoiceStatus.fromJson', () {
    test('parses enabled with stt and tts available', () {
      final status = VoiceStatus.fromJson({
        'enabled': true,
        'stt': true,
        'tts': true,
      });
      expect(status.enabled, isTrue);
      expect(status.stt, isTrue);
      expect(status.tts, isTrue);
    });

    test('parses disabled state', () {
      final status = VoiceStatus.fromJson({
        'enabled': false,
        'stt': false,
        'tts': false,
      });
      expect(status.enabled, isFalse);
    });

    test('fullyAvailable is false when enabled but stt is false', () {
      final status = VoiceStatus.fromJson({
        'enabled': true,
        'stt': false,
        'tts': true,
      });
      expect(status.fullyAvailable, isFalse);
    });
  });

  group('VoiceNotifier sentence extraction', () {
    test('extracts complete sentences at full stops', () {
      final result = extractSentences('Hello world. How are you? I am fine!');
      expect(result.sentences,
          equals(['Hello world.', 'How are you?', 'I am fine!']));
      expect(result.remainder, equals(''));
    });

    test('leaves incomplete fragment in remainder', () {
      final result = extractSentences('Hello world. Incomplete');
      expect(result.sentences, equals(['Hello world.']));
      expect(result.remainder, equals('Incomplete'));
    });

    test('returns empty sentences and full text when no boundary', () {
      final result = extractSentences('No boundary here');
      expect(result.sentences, isEmpty);
      expect(result.remainder, equals('No boundary here'));
    });
  });

  group('VoiceNotifier markdown stripping', () {
    test('strips code fences', () {
      expect(stripMarkdownForTts('Before\n```dart\ncode\n```\nAfter'),
          equals('Before After'));
    });

    test('strips bold and italic markers', () {
      expect(stripMarkdownForTts('**bold** and *italic*'),
          equals('bold and italic'));
    });

    test('strips headers', () {
      expect(stripMarkdownForTts('## Section title'), equals('Section title'));
    });

    test('keeps link text, removes URL', () {
      expect(stripMarkdownForTts('[click here](https://example.com)'),
          equals('click here'));
    });

    test('strips list markers', () {
      expect(stripMarkdownForTts('- item one\n- item two'),
          equals('item one item two'));
    });
  });

  group('CalendarEvent.fromJson', () {
    test('parses all fields', () {
      final json = {
        'id': 10,
        'title': 'Team meeting',
        'start_dt': '2026-04-07T09:00:00+00:00',
        'end_dt': '2026-04-07T10:00:00+00:00',
        'all_day': false,
        'description': 'Weekly sync',
        'location': 'Room 4',
        'color': '#6366F1',
        'recurrence': 'FREQ=WEEKLY',
        'project_id': 3,
        'reminder_minutes': 15,
      };
      final event = CalendarEvent.fromJson(json);
      expect(event.id, equals(10));
      expect(event.title, equals('Team meeting'));
      expect(event.startDt, equals(DateTime.parse('2026-04-07T09:00:00+00:00').toLocal()));
      expect(event.endDt, equals(DateTime.parse('2026-04-07T10:00:00+00:00').toLocal()));
      expect(event.allDay, isFalse);
      expect(event.description, equals('Weekly sync'));
      expect(event.location, equals('Room 4'));
      expect(event.color, equals('#6366F1'));
      expect(event.recurrence, equals('FREQ=WEEKLY'));
      expect(event.projectId, equals(3));
      expect(event.reminderMinutes, equals(15));
    });

    test('handles null optional fields', () {
      final json = {
        'id': 11,
        'title': 'Birthday',
        'start_dt': '2026-05-01T00:00:00+00:00',
        'end_dt': null,
        'all_day': true,
        'description': '',
        'location': '',
        'color': '',
        'recurrence': null,
        'project_id': null,
        'reminder_minutes': null,
      };
      final event = CalendarEvent.fromJson(json);
      expect(event.endDt, isNull);
      expect(event.allDay, isTrue);
      expect(event.recurrence, isNull);
      expect(event.projectId, isNull);
      expect(event.reminderMinutes, isNull);
    });
  });

  group('dateOnly', () {
    test('strips time from datetime', () {
      final dt = DateTime(2026, 4, 7, 14, 30, 45);
      expect(dateOnly(dt), equals(DateTime(2026, 4, 7)));
    });
  });

  group('QueueFailure.message', () {
    test('overwritten with title quotes the title', () {
      final f = QueueFailure(
        reason: QueueFailureReason.overwritten,
        domain: 'notes',
        title: 'Grocery list',
      );
      expect(f.message, contains('"Grocery list"'));
      expect(f.message, contains('overwritten'));
    });

    test('rejected without title falls back to generic phrasing', () {
      final f = QueueFailure(
        reason: QueueFailureReason.rejected,
        domain: 'tasks',
        detail: 'title required',
      );
      expect(f.message, contains('an offline edit'));
      expect(f.message, contains('title required'));
    });

    test('missing communicates server-side deletion', () {
      final f = QueueFailure(
        reason: QueueFailureReason.missing,
        domain: 'projects',
        title: 'Q2 launch',
      );
      expect(f.message, contains('"Q2 launch"'));
      expect(f.message, contains('deleted on the server'));
    });
  });

}