tm_app/test/model/tender_details_models_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:tm_app/data/services/model/lot/lot.dart';
import 'package:tm_app/data/services/model/organization/organization.dart';
import 'package:tm_app/data/services/model/organization/organization_address.dart';
import 'package:tm_app/data/services/model/tender_data/tender_data.dart';

void main() {
  group('Lot', () {
    test('fromJson maps lot_id/title/description', () {
      final lot = Lot.fromJson(const {
        'lot_id': 'LOT-1',
        'title': 'Lot title',
        'description': 'Lot description',
      });

      expect(lot.lotId, 'LOT-1');
      expect(lot.title, 'Lot title');
      expect(lot.description, 'Lot description');
    });

    test('toJson round-trips back to the same values', () {
      const lot = Lot(lotId: 'LOT-2', title: 'T', description: 'D');

      expect(Lot.fromJson(lot.toJson()), lot);
    });

    test('missing fields parse as null (resilient to partial payloads)', () {
      final lot = Lot.fromJson(const {});

      expect(lot.lotId, isNull);
      expect(lot.title, isNull);
      expect(lot.description, isNull);
    });
  });

  group('OrganizationAddress', () {
    test('fromJson maps city_name/country_code', () {
      final address = OrganizationAddress.fromJson(const {
        'city_name': 'Amsterdam',
        'country_code': 'NL',
      });

      expect(address.cityName, 'Amsterdam');
      expect(address.countryCode, 'NL');
    });

    test('toJson round-trips back to the same values', () {
      const address = OrganizationAddress(
        cityName: 'Berlin',
        countryCode: 'DE',
      );

      expect(OrganizationAddress.fromJson(address.toJson()), address);
    });

    test('nested under Organization.fromJson', () {
      final org = Organization.fromJson(const {
        'name': 'Buyer Org',
        'company_id': 'COMP-1',
        'address': {'city_name': 'Paris', 'country_code': 'FR'},
      });

      expect(org.name, 'Buyer Org');
      expect(org.companyId, 'COMP-1');
      expect(org.address?.cityName, 'Paris');
      expect(org.address?.countryCode, 'FR');
    });
  });

  group('TenderData new fields', () {
    Map<String, Object?> baseJson({
      Object? issueDate,
      Object? issueTime,
    }) => {
      'success': true,
      'message': 'ok',
      'id': 'TND-1',
      'tender_id': 'TND-1',
      'notice_publication_id': 'NP-1',
      'notice_type_code': 'NT-1',
      'form_type': 'open',
      'notice_language_code': 'en',
      'issue_date': issueDate,
      'issue_time': issueTime,
      'publication_date': 1700000000,
      'title': 'Title',
      'description': 'Desc',
      'procurement_type_code': 'PT-1',
      'procedure_code': 'PRC-1',
      'estimated_value': 1000,
      'currency': 'EUR',
      'duration': '12',
      'tender_deadline': 1710000000,
      'submission_deadline': 1710000000,
      'application_deadline': 1710000000,
      'submission_url': 'https://example.com',
      'country_code': 'NL',
      'duration_unit': 'month',
      'buyer_organization': {
        'name': 'Buyer Org',
        'company_id': 'COMP-1',
        'address': {'city_name': 'Amsterdam', 'country_code': 'NL'},
      },
      'lots': [
        {'lot_id': 'LOT-1', 'title': 'Lot title', 'description': 'Lot desc'},
      ],
      'official_languages': ['en', 'nl'],
      'status': 'active',
    };

    test('parses notice/form/language, lots and official_languages', () {
      final tender = TenderData.fromJson(baseJson(
        issueDate: 1700000000,
        issueTime: 1700003600,
      ));

      expect(tender.noticeTypeCode, 'NT-1');
      expect(tender.formType, 'open');
      expect(tender.noticeLanguageCode, 'en');
      expect(tender.officialLanguages, ['en', 'nl']);
      expect(tender.lots, hasLength(1));
      expect(tender.lots?.first.lotId, 'LOT-1');
      expect(tender.buyerOrganization?.address?.cityName, 'Amsterdam');
    });

    test('issue_date/issue_time accept epoch seconds', () {
      final tender = TenderData.fromJson(baseJson(
        issueDate: 1700000000,
        issueTime: 1700003600,
      ));

      expect(tender.issueDate, 1700000000);
      expect(tender.issueTime, 1700003600);
    });

    test('issue_date/issue_time accept millisecond and string inputs', () {
      final tender = TenderData.fromJson(baseJson(
        issueDate: '1700000000',
        issueTime: 1700000000000,
      ));

      // unixTimestampFromJson normalizes the raw value; the >1e10 ms value is
      // kept as-is here (timeConvertor downscales it at display time).
      expect(tender.issueDate, 1700000000);
      expect(tender.issueTime, 1700000000000);
    });

    test('non-positive or missing issue_date/issue_time become null', () {
      final tender = TenderData.fromJson(baseJson(
        issueDate: 0,
        issueTime: null,
      ));

      expect(tender.issueDate, isNull);
      expect(tender.issueTime, isNull);
    });
  });
}