import 'dart:io';
import 'dart:math';

import 'package:flutter_test/flutter_test.dart';
import 'package:path/path.dart' as p;
import 'package:groci/services/product_repository.dart';
import 'package:sqflite_common_ffi/sqflite_ffi.dart';

var _dbSeq = 0;
var _sqliteReady = false;

void ensureTestSqlite() {
  if (_sqliteReady) return;
  sqfliteFfiInit();
  databaseFactory = databaseFactoryFfi;
  _sqliteReady = true;
}

ProductRepository memoryRepository() {
  ensureTestSqlite();
  final dir = Directory(p.join('.dart_tool', 'groci_test_db'))
    ..createSync(recursive: true);
  final name =
      'db_${DateTime.now().microsecondsSinceEpoch}_${_dbSeq++}_${Random().nextInt(1 << 32)}.sqlite';
  return ProductRepository(databasePath: p.join(dir.path, name));
}

Future<void> pumpUntilFound(
  WidgetTester tester,
  Finder finder, {
  int attempts = 40,
}) async {
  for (var i = 0; i < attempts; i++) {
    await tester.pump();
    if (finder.evaluate().isNotEmpty) return;
    await tester.runAsync(
      () => Future<void>.delayed(const Duration(milliseconds: 20)),
    );
  }
  throw TestFailure('Timed out waiting for $finder');
}

const _seedTs = '2026-08-01T00:00:00.000';

Future<void> seedCaseConflictCatalog(ProductRepository repository) async {
  await repository.replaceAllData(
    darkMode: false,
    supermarkets: [
      {'id': 1, 'name': 'Jumbo', 'color': 0xFFEEC21B, 'sort_order': 0},
    ],
    products: [
      {
        'id': 1,
        'name': 'Broccoli',
        'normalized_name': 'BROCCOLI_A',
        'last_price': 1.5,
        'times_seen': 1,
        'favourite': 0,
        'supermarket': 'Jumbo',
        'created_at': _seedTs,
        'updated_at': _seedTs,
      },
      {
        'id': 2,
        'name': 'BROCCOLI',
        'normalized_name': 'BROCCOLI_B',
        'last_price': 1.8,
        'times_seen': 1,
        'favourite': 0,
        'supermarket': 'Jumbo',
        'created_at': _seedTs,
        'updated_at': _seedTs,
      },
    ],
    shops: [
      {
        'id': 1,
        'supermarket': 'Jumbo',
        'shopped_at': '2026-08-01T00:00:00.000',
        'total': 1.5,
        'created_at': _seedTs,
      },
      {
        'id': 2,
        'supermarket': 'Jumbo',
        'shopped_at': '2026-08-02T00:00:00.000',
        'total': 1.8,
        'created_at': _seedTs,
      },
    ],
    shopItems: [
      {
        'id': 1,
        'shop_id': 1,
        'product_id': 1,
        'name': 'Broccoli',
        'price': 1.5,
      },
      {
        'id': 2,
        'shop_id': 2,
        'product_id': 2,
        'name': 'BROCCOLI',
        'price': 1.8,
      },
    ],
  );
}