import 'package:sqflite/sqflite.dart';
import '../models/company_model.dart';
import 'database_helper.dart';

class CompanyRepository {
  final DatabaseHelper _dbHelper = DatabaseHelper();

  Future<void> ensureCompanyColumns() async {
    final db = await _dbHelper.database;
    try {
      await db.execute('ALTER TABLE company_info ADD COLUMN fax TEXT');
    } catch (_) {}
    try {
      await db.execute('ALTER TABLE company_info ADD COLUMN email TEXT');
    } catch (_) {}
    try {
      await db.execute('ALTER TABLE company_info ADD COLUMN url TEXT');
    } catch (_) {}
  }

  Future<CompanyInfo> getCompanyInfo() async {
    final db = await _dbHelper.database;
    final List<Map<String, dynamic>> maps = await db.query('company_info', where: 'id = 1');
    if (maps.isEmpty) {
      final sample = CompanyInfo(
        name: "販売アシスト1号 サンプル会社",
        zipCode: "100-0001",
        address: "東京都千代田区サンプル1-1-1",
        tel: "03-1234-5678",
        fax: "03-1234-5679",
        email: "info@example.com",
        url: "https://example.com",
        registrationNumber: "T1234567890123",
      );
      await saveCompanyInfo(sample.copyWith(defaultTaxRate: 0.10));
      return sample;
    }
    final map = maps.first;
    final company = CompanyInfo(
      name: map['name'] ?? '',
      zipCode: map['zip_code'],
      address: map['address'],
      tel: map['tel'],
      fax: map['fax'],
      email: map['email'],
      url: map['url'],
      defaultTaxRate: (map['default_tax_rate'] ?? 0.10).toDouble(),
      sealPath: map['seal_path'],
      taxDisplayMode: map['tax_display_mode'] ?? 'normal',
      registrationNumber: map['registration_number'],
    );
    return company;
  }

  Future<void> saveCompanyInfo(CompanyInfo info) async {
    final db = await _dbHelper.database;
    await ensureCompanyColumns();
    await db.insert(
      'company_info',
      info.toMap(),
      conflictAlgorithm: ConflictAlgorithm.replace,
    );
  }
}