using Marathon.Domain.AnomalyDetection;
using Marathon.Domain.Entities;
using Marathon.Domain.ValueObjects;

namespace Marathon.Domain.Backtesting;

/// <summary>
/// Input row for <see cref="BacktestSimulator"/> — one anomaly fully resolved
/// against its event metadata and result. The use case constructs these once
/// per simulation run and feeds them to the pure simulator in chronological
/// order.
/// </summary>
/// <param name="Anomaly">The flagged anomaly being simulated.</param>
/// <param name="Evidence">
/// Parsed evidence payload (pre- and post-suspension snapshots). The simulator
/// reads the post-suspension favourite and rate from here.
/// </param>
/// <param name="Result">Final event result — drives the win/loss verdict.</param>
/// <param name="Sport">Sport metadata, optional, surfaced into the trace row.</param>
public sealed record BacktestCandidate(
    Anomaly Anomaly,
    AnomalyEvidenceData Evidence,
    EventResult Result,
    SportCode? Sport);