using Fengling.RiskControl.Domain.Aggregates.RiskRules;

namespace Fengling.RiskControl.Infrastructure.SeedData;

public static class RiskControlSeedData
{
    public static IEnumerable<RiskRule> GetDefaultRules()
    {
        yield return RiskRule.Create(
            "高频抽奖限制",
            "限制单日抽奖次数，防止沉迷",
            RiskRuleType.FrequencyLimit,
            RiskRuleAction.Block,
            """{"maxCount": 10, "windowMinutes": 1440, "points": 30}""",
            priority: 10);

        yield return RiskRule.Create(
            "单次大额抽奖限制",
            "单次抽奖投入不能超过1000积分",
            RiskRuleType.AmountLimit,
            RiskRuleAction.Block,
            """{"maxAmount": 1000, "points": 40}""",
            priority: 9);

        yield return RiskRule.Create(
            "设备异常检测",
            "同一设备频繁切换账号",
            RiskRuleType.DeviceFingerprint,
            RiskRuleAction.RequireVerification,
            """{"maxAccountsPerDevice": 3, "windowMinutes": 60, "points": 50}""",
            priority: 8);

        yield return RiskRule.Create(
            "IP地址异常",
            "同一IP短时间内大量请求",
            RiskRuleType.VelocityCheck,
            RiskRuleAction.RateLimit,
            """{"maxRequests": 100, "windowMinutes": 1, "points": 20}""",
            priority: 7);

        yield return RiskRule.Create(
            "行为模式异常",
            "检测非正常用户行为模式",
            RiskRuleType.BehaviorPattern,
            RiskRuleAction.FlagForReview,
            """{"patterns": ["rapid_clicks", "pattern_sequences"]}""",
            priority: 5);

        yield return RiskRule.Create(
            "VIP会员白名单",
            "VIP会员享受较低风控等级",
            RiskRuleType.Whitelist,
            RiskRuleAction.Allow,
            """{"vipLevels": [3, 4, 5]}""",
            priority: 100);
    }
}