namespace Fengling.Member.Application.Services;

/// <summary>
/// 分布式锁获取结果
/// </summary>
public class LockAcquisitionResult
{
    public bool Success { get; set; }
    public string? LockValue { get; set; }
    public string? ErrorMessage { get; set; }
    
    public static LockAcquisitionResult Succeeded(string lockValue) => new()
    {
        Success = true,
        LockValue = lockValue
    };
    
    public static LockAcquisitionResult Failed(string errorMessage) => new()
    {
        Success = false,
        ErrorMessage = errorMessage
    };
}

/// <summary>
/// 分布式锁接口
/// </summary>
public interface ICodeDistributedLock
{
    /// <summary>
    /// 获取分布式锁
    /// </summary>
    /// <param name="codeId">码ID</param>
    /// <param name="ttl">锁过期时间，默认10秒</param>
    /// <returns>获取结果</returns>
    Task<LockAcquisitionResult> AcquireAsync(string codeId, TimeSpan? ttl = null);

    /// <summary>
    /// 释放分布式锁
    /// </summary>
    /// <param name="codeId">码ID</param>
    /// <param name="lockValue">锁值</param>
    Task ReleaseAsync(string codeId, string lockValue);
}