import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:jiu_client/core/auth/auth_state.dart';
import 'package:jiu_client/core/models/page_result.dart';
import 'package:jiu_client/core/utils/clock.dart';
import 'package:jiu_client/models/finance.dart';
import 'package:jiu_client/models/stock_summary.dart';
import 'package:jiu_client/providers/finance_provider.dart';
import 'package:jiu_client/providers/stock_in_provider.dart';
import 'package:jiu_client/providers/stock_out_provider.dart';
import 'package:jiu_client/screens/finance/finance_screen.dart';

import '../support/golden_harness.dart';
import '../support/shell_harness.dart';

/// design-distill 阶段4：财务管理 golden × 三主题（回归闸 + 保真基准）。
/// 桌面版挂进真 AppShell，数据照抄原型 screens/finance.html 的
/// TREND（6 月）/ SUMMARY（8 单位）/ FLOWS（10 条）；KPI 环比经 stock summary
/// 假数据凑成 ▲8.4% / ▼3.1%：
///   node tools/fidelity.mjs finance
/// 更新基准：flutter test --update-goldens test/golden/finance_golden_test.dart

// 原型 TREND（万元 → 元）
const _trend = [
  TrendPoint(month: '2026-01', inAmount: 1420000, outAmount: 1180000),
  TrendPoint(month: '2026-02', inAmount: 960000, outAmount: 880000),
  TrendPoint(month: '2026-03', inAmount: 1680000, outAmount: 1210000),
  TrendPoint(month: '2026-04', inAmount: 1540000, outAmount: 1090000),
  TrendPoint(month: '2026-05', inAmount: 1720000, outAmount: 1360000),
  TrendPoint(month: '2026-06', inAmount: 1860000, outAmount: 1320000),
];

// 原型 SUMMARY 8 行
const _rows = [
  PartnerFinanceRow(partnerId: 1, name: '华东酒类批发', recv: 128400, openCount: 2),
  PartnerFinanceRow(partnerId: 2, name: '金樽商贸', recv: 86200, openCount: 1),
  PartnerFinanceRow(partnerId: 3, name: '茅台华南经销', pay: 142800, openCount: 1),
  PartnerFinanceRow(partnerId: 4, name: '鸿运餐饮连锁', recv: 74600, openCount: 1),
  PartnerFinanceRow(partnerId: 5, name: '五粮液省级代理', pay: 96400, openCount: 1),
  PartnerFinanceRow(
      partnerId: 6, name: '盛世名酒城', recv: 52300, pay: 18600, openCount: 2),
  PartnerFinanceRow(partnerId: 7, name: '御品烟酒行', recv: 31800, openCount: 1),
  PartnerFinanceRow(partnerId: 8, name: '川渝糖酒集团', pay: 60400, openCount: 1),
];

// 原型 FLOWS 10 条（收款→receipt / 付款→payment；原型 SK/FK 单号无对应
// ref 模型 → 关联单号列显 —，属已知差异）
const _flows = [
  FinanceRecord(
      id: 1,
      type: 'receipt',
      amount: 68000,
      balance: 0,
      status: 'closed',
      partnerName: '华东酒类批发',
      recordDate: '2026-06-20',
      remark: '飞天茅台货款'),
  FinanceRecord(
      id: 2,
      type: 'payment',
      amount: 142800,
      balance: 0,
      status: 'closed',
      partnerName: '茅台华南经销',
      recordDate: '2026-06-19',
      remark: '6月采购结算'),
  FinanceRecord(
      id: 3,
      type: 'receipt',
      amount: 42600,
      balance: 0,
      status: 'closed',
      partnerName: '金樽商贸',
      recordDate: '2026-06-18',
      remark: '五粮液尾款'),
  FinanceRecord(
      id: 4,
      type: 'receipt',
      amount: 31500,
      balance: 0,
      status: 'closed',
      partnerName: '鸿运餐饮连锁',
      recordDate: '2026-06-17',
      remark: '宴会用酒'),
  FinanceRecord(
      id: 5,
      type: 'payment',
      amount: 96400,
      balance: 0,
      status: 'closed',
      partnerName: '五粮液省级代理',
      recordDate: '2026-06-16',
      remark: '普五补货'),
  FinanceRecord(
      id: 6,
      type: 'receipt',
      amount: 23800,
      balance: 0,
      status: 'closed',
      partnerName: '盛世名酒城',
      recordDate: '2026-06-15',
      remark: '国窖1573'),
  FinanceRecord(
      id: 7,
      type: 'payment',
      amount: 60400,
      balance: 0,
      status: 'closed',
      partnerName: '川渝糖酒集团',
      recordDate: '2026-06-14',
      remark: '剑南春进货'),
  FinanceRecord(
      id: 8,
      type: 'receipt',
      amount: 18900,
      balance: 0,
      status: 'closed',
      partnerName: '御品烟酒行',
      recordDate: '2026-06-13',
      remark: '习酒窖藏'),
  FinanceRecord(
      id: 9,
      type: 'payment',
      amount: 18600,
      balance: 0,
      status: 'closed',
      partnerName: '盛世名酒城',
      recordDate: '2026-06-12',
      remark: '退换货补差'),
  FinanceRecord(
      id: 10,
      type: 'receipt',
      amount: 55200,
      balance: 0,
      status: 'closed',
      partnerName: '华东酒类批发',
      recordDate: '2026-06-11',
      remark: '梦之蓝M6'),
];

class _FakeFinanceList extends FinanceListNotifier {
  @override
  Future<PageResult<FinanceRecord>> build() async =>
      const PageResult(data: _flows, total: 10, page: 1, pageSize: 50);
  @override
  void setType(String type) {}
  @override
  void setMonth(String month) {}
  @override
  void setRange(String startDate, String endDate) {}
  @override
  void setPage(int page) {}
  @override
  void setPageSize(int pageSize) {}
  @override
  void reload() {}
}

List<Override> _overrides() => [
      financeListProvider.overrideWith(() => _FakeFinanceList()),
      financeTrendProvider.overrideWith((ref) async => _trend),
      financePartnerRowsProvider.overrideWith((ref) async => _rows),
      // 环比凑成原型 ▲8.4% / ▼3.1%
      stockOutSummaryProvider.overrideWith((ref) async =>
          const StockSummary(monthAmount: 1860000, lastMonthAmount: 1715867)),
      stockInSummaryProvider.overrideWith((ref) async =>
          const StockSummary(monthAmount: 1320000, lastMonthAmount: 1362229)),
      isReadonlyProvider.overrideWithValue(false),
    ];

void main() {
  TestWidgetsFlutterBinding.ensureInitialized();
  SharedPreferences.setMockInitialValues({});
  appClock = () => DateTime(2026, 7, 13, 9, 30, 15);

  // 桌面：外壳挂载整框，与原型整页同构
  shellGoldenAcrossThemes(
    'finance 整框(桌面)',
    path: '/finance',
    screen: (_) => const FinanceScreen(),
    goldenPrefix: 'finance',
    overrides: _overrides,
    logical: const Size(1280, 900),
  );

  // 移动：窄屏单列（KPI 横滚 + 卡片流）
  goldenAcrossThemes(
    'finance 整屏(移动)',
    goldenPrefix: 'finance_mobile',
    child: () => const Scaffold(body: FinanceScreen()),
    overrides: _overrides,
    logical: const Size(390, 1600),
  );
}