import 'package:flutter_test/flutter_test.dart';
import 'package:words999/models/syncretic_session_model.dart';
import 'package:words999/models/divination_instructions.dart';
import 'package:words999/screens/numerology_divination_screen.dart';

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();

  group('Numerology & Pythagorean Square Tests', () {
    test('Instructions repository contains numerology entry', () {
      final instruction = DivinationInstructionsRepository.get('numerology');
      expect(instruction.id, equals('numerology'));
      expect(instruction.title, contains('Пифагор'));
      expect(instruction.icon, equals('🔢'));
      expect(instruction.physicalDiceMethod, isNotEmpty);
      expect(instruction.directInputMethod, isNotEmpty);
    });

    test('Canonical Alexandrian working numbers calculation (e.g. 15.07.1990)', () {
      // Date: 15.07.1990
      // Digits: 1, 5, 0, 7, 1, 9, 9, 0
      // W1: 1+5+0+7+1+9+9+0 = 32
      // W2: 3+2 = 5
      // W3: 32 - 2 * 1 = 30
      // W4: 3+0 = 3
      const day = 15;
      const month = 7;
      const year = 1990;

      final digits = [1, 5, 0, 7, 1, 9, 9, 0];
      final w1 = digits.reduce((a, b) => a + b);
      expect(w1, equals(32));

      final w2 = (3 + 2);
      expect(w2, equals(5));

      final w3 = w1 - (2 * 1);
      expect(w3, equals(30));

      final w4 = 3 + 0;
      expect(w4, equals(3));

      // Digit pool:
      // Date: 1, 5, 0, 7, 1, 9, 9, 0
      // W1: 3, 2
      // W2: 5
      // W3: 3, 0
      // W4: 3
      // Counts for 1..9:
      // 1: 1, 1 -> 2
      // 2: 2 -> 1
      // 3: 3, 3, 3 -> 3
      // 4: 0
      // 5: 5, 5 -> 2
      // 6: 0
      // 7: 7 -> 1
      // 8: 0
      // 9: 9, 9 -> 2
      final pool = [1, 5, 0, 7, 1, 9, 9, 0, 3, 2, 5, 3, 0, 3];
      expect(pool.where((d) => d == 1).length, equals(2));
      expect(pool.where((d) => d == 2).length, equals(1));
      expect(pool.where((d) => d == 3).length, equals(3));
      expect(pool.where((d) => d == 4).length, equals(0));
      expect(pool.where((d) => d == 5).length, equals(2));
      expect(pool.where((d) => d == 7).length, equals(1));
      expect(pool.where((d) => d == 9).length, equals(2));
    });

    test('SyncreticReading accepts numerology format', () {
      final reading = SyncreticReading(
        id: 'num_test_1',
        systemId: 'numerology',
        systemName: 'Нумерология и Квадрат Пифагора',
        systemIcon: '🔢',
        timestamp: DateTime.now(),
        layoutTitle: 'Психоматрица 3×3 (ЧЖП: 5)',
        inputMethod: 'manual',
        items: [
          const ReadingSignItem(
            title: 'Число Жизненного Пути: 5',
            subtitle: '5 — Искатель Свободы и Странник',
            symbol: '5',
            lore: 'Динамические перемены и расширение горизонтов.',
          ),
          const ReadingSignItem(
            title: 'Ячейка 1: Характер (11)',
            subtitle: 'Норма',
            symbol: '1',
          ),
        ],
      );

      final map = reading.toMap();
      final revived = SyncreticReading.fromMap(map);
      expect(revived.systemId, equals('numerology'));
      expect(revived.items.length, equals(2));
      expect(revived.items.first.title, contains('Число Жизненного Пути: 5'));
    });
  });
}