import 'package:flutter_test/flutter_test.dart';
import 'package:patbond_flutter/core/network/api_exception.dart';
import 'package:patbond_flutter/features/pets/pet_display.dart';
import 'package:patbond_flutter/features/pets/pet_models.dart';

import '../../helpers/pet_test_helpers.dart';

void main() {
  test('petAgeLabel：岁 / 月 / 未满月 / 未知边界', () {
    final now = DateTime(2026, 9, 8);
    expect(petAgeLabel(DateTime(2024, 3, 15), now: now), '2 岁');
    expect(petAgeLabel(DateTime(2025, 9, 9), now: now), '11 个月');
    expect(petAgeLabel(DateTime(2026, 3, 1), now: now), '6 个月');
    expect(petAgeLabel(DateTime(2026, 9, 1), now: now), '未满月');
    expect(petAgeLabel(null, now: now), '年龄未知');
    expect(petAgeLabel(DateTime(2027), now: now), '年龄未知');
  });

  test('petMetaLine：品种 · 性别 · 年龄；自定义品种回退', () {
    final now = DateTime(2026, 9, 8);
    expect(petMetaLine(buildPet('p-1'), now: now), '柴犬 · 男孩 · 2 岁');

    final custom = buildPet(
      'p-2',
      overrides: {
        'breedId': null,
        'breedDisplayName': null,
        'customBreedName': '狸花',
        'sex': 'unknown',
        'birthDate': null,
      },
    );
    expect(petMetaLine(custom, now: now), '狸花 · 性别未知 · 年龄未知');
  });

  test('petLoadErrorMessage：网络 / 限流 / 其他三档文案', () {
    expect(
      petLoadErrorMessage(const ApiNetworkException('x')),
      '网络异常，请检查网络后重试',
    );
    expect(petLoadErrorMessage(const ApiRateLimitException()), '请求过于频繁，请稍后再试');
    expect(
      petLoadErrorMessage(
        const ApiBusinessException(code: 40000, message: 'x'),
      ),
      '加载失败，请稍后重试',
    );
    expect(petLoadErrorMessage(null), '加载失败，请稍后重试');
  });

  test('物种 / 性别 / 状态标签', () {
    expect(petSpeciesLabel(PetSpecies.dog), '狗狗');
    expect(petSpeciesLabel(PetSpecies.cat), '猫咪');
    expect(petSexLabel(PetSex.female), '女孩');
    expect(petStatusLabel(PetStatus.archived), '已归档');
    expect(petStatusLabel(PetStatus.lost), '走失中');
  });
}