using AssetManager.Data;
using AssetManager.Models.DTOs;

namespace AssetManager.Infrastructure.StrategyEngine;

/// <summary>
/// 策略计算器接口
/// </summary>
public interface IStrategyCalculator
{
    /// <summary>
    /// 策略类型标识
    /// </summary>
    string StrategyType { get; }

    /// <summary>
    /// 计算策略信号
    /// </summary>
    /// <param name="configJson">策略配置JSON</param>
    /// <param name="positions">持仓列表</param>
    /// <param name="cancellationToken">取消令牌</param>
    /// <returns>策略信号</returns>
    Task<StrategySignal> CalculateAsync(
        string configJson,
        List<Position> positions,
        CancellationToken cancellationToken = default);
}