/// pets 域测试样本（契约 openapi.yaml v1.2.0 各 schema 全字段 JSON）
/// 与共享假仓库。
library;

import 'package:patbond_flutter/features/pets/pet_models.dart';
import 'package:patbond_flutter/features/pets/pets_repository.dart';

Map<String, Object?> okListEnvelope(List<Object?> data) => {
  'code': 0,
  'message': 'ok',
  'data': data,
};

Map<String, dynamic> samplePetJson({
  Map<String, Object?> overrides = const {},
}) => {
  'id': 'p-1',
  'name': '豆豆',
  'species': 'dog',
  'breedId': 'b-1',
  'breedDisplayName': '柴犬',
  'customBreedName': null,
  'sex': 'male',
  'birthDate': '2024-03-15',
  'birthDateEstimated': false,
  'personality': null,
  'microchipNo': null,
  'sterilizedOn': null,
  'status': 'active',
  'myRole': 'owner',
  'createdAt': '2026-09-01T10:00:00+08:00',
  'updatedAt': '2026-09-02T10:00:00+08:00',
  'version': 3,
  ...overrides,
};

Map<String, dynamic> sampleWeightJson() => {
  'id': 'w-1',
  'petId': 'p-1',
  'weightKg': 4.35,
  'measuredAt': '2026-09-07T09:00:00+08:00',
  'source': 'manual',
  'note': null,
  'createdAt': '2026-09-07T09:01:00+08:00',
};

Map<String, dynamic> sampleVaccinationJson() => {
  'id': 'vx-1',
  'petId': 'p-1',
  'vaccineId': 'v-1',
  'vaccineName': '狂犬疫苗',
  'seriesKey': 'rabies-initial',
  'doseNo': 1,
  'doseLabel': null,
  'status': 'scheduled',
  'plannedOn': '2026-10-01',
  'administeredOn': null,
  'nextDueOn': null,
  'manufacturer': null,
  'batchNo': null,
  'notes': null,
  'createdAt': '2026-09-01T10:00:00+08:00',
  'updatedAt': '2026-09-01T10:00:00+08:00',
  'version': 1,
};

Map<String, dynamic> sampleHealthEventJson() => {
  'id': 'e-1',
  'petId': 'p-1',
  'eventType': 'medical',
  'occurredAt': '2026-09-05T14:00:00+08:00',
  'title': '皮肤检查',
  'notes': null,
  'amountCents': 12850,
  'createdByUserId': 'u-1',
  'createdAt': '2026-09-05T14:05:00+08:00',
  'updatedAt': '2026-09-05T14:05:00+08:00',
  'version': 1,
};

Map<String, dynamic> sampleCareReminderJson() => {
  'id': 'r-1',
  'petId': 'p-1',
  'reminderType': 'checkup',
  'title': '年度体检',
  'dueAt': '2026-10-01T00:00:00+08:00',
  'status': 'pending',
  'completedAt': null,
  'createdAt': '2026-09-01T10:00:00+08:00',
  'updatedAt': '2026-09-01T10:00:00+08:00',
};

Map<String, dynamic> samplePetSummaryJson() => {
  'petId': 'p-1',
  'latestWeight': {'weightKg': 4.35, 'measuredAt': '2026-09-07T09:00:00+08:00'},
  'vaccinationProgress': {'completedDoses': 2, 'totalDoses': 3},
  'nextVaccination': {
    'vaccinationId': 'vx-3',
    'vaccineId': 'v-1',
    'vaccineName': '狂犬疫苗',
    'doseNo': 3,
    'doseLabel': null,
    'dueOn': '2026-08-01',
    'source': 'planned',
  },
  'monthlyExpense': {
    'month': '2026-09',
    'timezone': 'Asia/Shanghai',
    'amountCents': 12850,
  },
};

Map<String, dynamic> sampleBreedJson({
  String id = 'b-1',
  String species = 'dog',
  String code = 'shiba',
  String displayName = '柴犬',
}) => {'id': id, 'species': species, 'code': code, 'displayName': displayName};

/// 快速构造 Pet（widget/controller 测试共用）。
Pet buildPet(
  String id, {
  String name = '豆豆',
  int version = 1,
  Map<String, Object?> overrides = const {},
}) => Pet.fromJson(
  samplePetJson(
    overrides: {'id': id, 'name': name, 'version': version, ...overrides},
  ),
);

Map<String, dynamic> sampleVaccineCatalogJson({
  String id = 'v-1',
  String code = 'rabies',
  String name = '狂犬疫苗',
  String species = 'dog',
}) => {
  'id': id,
  'code': code,
  'name': name,
  'species': species,
  'description': null,
};

/// 快速构造体重记录（widget 测试共用）。
WeightRecord buildWeight(
  String id, {
  double weightKg = 4.35,
  String measuredAt = '2026-09-07T09:00:00+08:00',
  Map<String, Object?> overrides = const {},
}) => WeightRecord.fromJson({
  ...sampleWeightJson(),
  'id': id,
  'weightKg': weightKg,
  'measuredAt': measuredAt,
  ...overrides,
});

/// 快速构造疫苗记录。
Vaccination buildVaccination(
  String id, {
  Map<String, Object?> overrides = const {},
}) =>
    Vaccination.fromJson({...sampleVaccinationJson(), 'id': id, ...overrides});

/// 快速构造摘要（缺省为「三聚合齐备」样本；overrides 可置 null 验证空态）。
PetSummary buildSummary({Map<String, Object?> overrides = const {}}) =>
    PetSummary.fromJson({...samplePetSummaryJson(), ...overrides});

/// 假仓库：各方法可注入行为；listPets 默认空列表，其余未注入的方法抛
/// UnimplementedError（22 号报告 §7：widget 测试注入假仓库的共享实现）。
class FakePetsRepository implements PetsRepository {
  Future<List<Pet>> Function()? listPetsHandler;
  Future<Pet> Function(CreatePetRequest)? createPetHandler;
  Future<Pet> Function(String)? getPetHandler;
  Future<Pet> Function(String, UpdatePetRequest)? updatePetHandler;
  Future<List<Breed>> Function(PetSpecies?)? listBreedsHandler;
  Future<CursorPage<WeightRecord>> Function(String, int?, String?)?
  listWeightsHandler;
  Future<WeightRecord> Function(String, CreateWeightRequest)?
  createWeightHandler;
  Future<List<VaccineCatalogItem>> Function(PetSpecies?)?
  listVaccineCatalogHandler;
  Future<List<Vaccination>> Function(String)? listVaccinationsHandler;
  Future<Vaccination> Function(String, CreateVaccinationRequest)?
  createVaccinationHandler;
  Future<PetSummary> Function(String, String?)? getPetSummaryHandler;

  @override
  Future<List<Pet>> listPets() =>
      listPetsHandler?.call() ?? Future.value(const []);

  @override
  Future<Pet> createPet(CreatePetRequest request) => createPetHandler!(request);

  @override
  Future<Pet> getPet(String petId) => getPetHandler!(petId);

  @override
  Future<Pet> updatePet(String petId, UpdatePetRequest request) =>
      updatePetHandler!(petId, request);

  @override
  Future<List<Breed>> listBreeds({PetSpecies? species}) =>
      listBreedsHandler?.call(species) ??
      Future.value([Breed.fromJson(sampleBreedJson())]);

  @override
  Future<CursorPage<WeightRecord>> listWeights(
    String petId, {
    int? limit,
    String? cursor,
  }) => listWeightsHandler!(petId, limit, cursor);

  @override
  Future<WeightRecord> createWeight(
    String petId,
    CreateWeightRequest request,
  ) => createWeightHandler!(petId, request);

  @override
  Future<List<VaccineCatalogItem>> listVaccineCatalog({PetSpecies? species}) =>
      listVaccineCatalogHandler?.call(species) ??
      Future.value([VaccineCatalogItem.fromJson(sampleVaccineCatalogJson())]);

  @override
  Future<List<Vaccination>> listVaccinations(String petId) =>
      listVaccinationsHandler!(petId);

  @override
  Future<Vaccination> createVaccination(
    String petId,
    CreateVaccinationRequest request,
  ) => createVaccinationHandler!(petId, request);

  @override
  Future<PetSummary> getPetSummary(String petId, {String? tz}) =>
      getPetSummaryHandler?.call(petId, tz) ??
      // 缺省给「无任何记录」空摘要（契约 null 语义），既有详情页测试
      // 不必逐个注入。
      Future.value(
        PetSummary.fromJson({
          'petId': petId,
          'latestWeight': null,
          'vaccinationProgress': null,
          'nextVaccination': null,
          'monthlyExpense': {
            'month': '2026-09',
            'timezone': 'UTC',
            'amountCents': 0,
          },
        }),
      );

  @override
  dynamic noSuchMethod(Invocation invocation) =>
      throw UnimplementedError('${invocation.memberName}');
}