using Admin.NET.Plugin.AiDOP.Entity.S8;

namespace Admin.NET.Plugin.AiDOP.Service.S8.Rules;

/// <summary>
/// R2 规则 evaluator 抽象。每个 rule_type 对应一个实现，由 S8WatchSchedulerService 按 rule_type 分派。
/// 首版仅 TIMEOUT；OUT_OF_RANGE 走 S8WatchSchedulerService 内既有兼容分支，不接入此抽象。
/// 不做事件触发、不做 SLA 升级、不做严重度阶梯。
/// </summary>
public interface IS8RuleEvaluator
{
    /// <summary>支持的 rule_type 字符串（TIMEOUT / SHORTAGE / OUT_OF_RANGE）。</summary>
    string RuleType { get; }

    /// <summary>评估一条 WatchRule，产出 0..N 条命中。不做去重、不建单。</summary>
    Task<List<S8RuleHit>> EvaluateAsync(
        long tenantId,
        long factoryId,
        AdoS8WatchRule rule,
        IReadOnlyList<AdoS8AlertRule> alertRules,
        CancellationToken cancellationToken = default);
}

/// <summary>
/// 内部命中模型。供 R2 evaluator 与 S8WatchSchedulerService 的 dedup/建单消费。
/// 字段全部 nullable 以兼容 TIMEOUT / SHORTAGE / OUT_OF_RANGE 三类。R2 仅 TIMEOUT 路径写入。
/// </summary>
public sealed class S8RuleHit
{
    public long SourceRuleId { get; set; }
    public string SourceRuleCode { get; set; } = string.Empty;
    public string SourceObjectType { get; set; } = string.Empty;
    public string SourceObjectId { get; set; } = string.Empty;
    public string RelatedObjectCode { get; set; } = string.Empty;
    public string ExceptionTypeCode { get; set; } = string.Empty;
    public string SceneCode { get; set; } = string.Empty;
    public string Severity { get; set; } = "FOLLOW";
    public string DedupKey { get; set; } = string.Empty;
    public string SourcePayload { get; set; } = "{}";
    public DateTime DetectedAt { get; set; } = DateTime.Now;
    public string Title { get; set; } = string.Empty;
    public long DataSourceId { get; set; }
    public long? OccurrenceDeptId { get; set; }
    public long? ResponsibleDeptId { get; set; }

    /// <summary>
    /// 命中归属模块码（S1-S7）。evaluator 可显式提供以覆盖 scene 默认派生；
    /// 留 null 时建单方按严格 S1-S7 派生：hit.SceneCode（仅 S1-S7）→ exception_type.scene_code。
    /// 不接受 legacy 复合 scene（S8-EXCEPTION-CREATION-MODULE-CODE-FIX-1）。
    /// </summary>
    public string? ModuleCode { get; set; }
}