// 功能描述：充值金额精度、协议完整性和到账事实校验；版本：1.0.0。
import 'package:flutter_test/flutter_test.dart';
import 'package:user_app/domain/models/recharge.dart';

void main() {
  test('金额按十进制精确转分，拒绝超精度和指数输入', () {
    expect(parseRechargeAmount('0.29'), 29);
    expect(parseRechargeAmount(' 100.1 '), 10010);
    expect(parseRechargeAmount('999999999.99'), 99999999999);
    for (final value in ['-1', '1e2', '1.001', '.5', '1.', 'NaN', '']) {
      expect(parseRechargeAmount(value), isNull, reason: value);
    }
  });

  test('只有钱包充值完成状态才表示到账', () {
    RechargeRecord record(int status, int? paymentStatus) => RechargeRecord.fromJson({
      'identity': 'recharge-1',
      'amount': 10000,
      'recharge_status': status,
      'payment_status': paymentStatus,
      'created_at': '2026-09-11T00:00:00Z',
    });
    expect(record(10, 23).credited, isFalse);
    expect(record(10, 30).statusText, '支付已关闭，未入账');
    expect(record(23, null).credited, isTrue);
    expect(record(23, 30).statusText, '已到账');
  });

  test('缺少协议允许读取配置，残缺协议必须拒绝', () {
    final json = <String, Object?>{'min_amount': 1, 'max_amount': 500000, 'channels': <Object>[]};
    expect(RechargeOptions.fromJson(json).agreement, isNull);
    for (final identity in ['', '  ']) {
      expect(
        () => RechargeOptions.fromJson({
          ...json,
          'agreement': {
            'identity': identity,
            'version': 1,
            'body': '协议正文',
          },
        }),
        throwsFormatException,
      );
    }
    expect(() => RechargeOptions.fromJson({...json, 'min_amount': 0}), throwsFormatException);
    expect(() => RechargeOptions.fromJson({...json, 'max_amount': 0}), throwsFormatException);
    expect(() => rechargeCents(1.5), throwsFormatException);
  });
}