namespace CampusErrand.Models.Dtos;

/// <summary>
/// 未读消息数响应
/// </summary>
public class UnreadCountResponse
{
    /// <summary>系统消息未读数</summary>
    public int SystemUnread { get; set; }

    /// <summary>订单通知未读数</summary>
    public int OrderNotificationUnread { get; set; }

    /// <summary>总未读数</summary>
    public int TotalUnread { get; set; }
}

/// <summary>
/// 系统消息列表项响应
/// </summary>
public class SystemMessageResponse
{
    public int Id { get; set; }
    public string Title { get; set; } = string.Empty;
    /// <summary>正文（截断至 3 行约 100 字）</summary>
    public string ContentPreview { get; set; } = string.Empty;
    public string? ThumbnailUrl { get; set; }
    public DateTime CreatedAt { get; set; }
    public bool IsRead { get; set; }
}

/// <summary>
/// 系统消息详情响应
/// </summary>
public class SystemMessageDetailResponse
{
    public int Id { get; set; }
    public string Title { get; set; } = string.Empty;
    public string Content { get; set; } = string.Empty;
    public string? ThumbnailUrl { get; set; }
    public DateTime CreatedAt { get; set; }
}

/// <summary>
/// 订单通知列表项响应
/// </summary>
public class OrderNotificationResponse
{
    public int Id { get; set; }
    public string OrderNo { get; set; } = string.Empty;
    public string OrderType { get; set; } = string.Empty;
    public string Title { get; set; } = string.Empty;
    public string ItemName { get; set; } = string.Empty;
    public string Status { get; set; } = string.Empty;
    public DateTime CreatedAt { get; set; }
}

/// <summary>
/// 发布系统通知请求
/// </summary>
public class CreateNotificationRequest
{
    public string Title { get; set; } = string.Empty;
    public string Content { get; set; } = string.Empty;
    public string? ThumbnailUrl { get; set; }
    /// <summary>目标类型：All, OrderUser, RunnerUser, Specific</summary>
    public string TargetType { get; set; } = "All";
    /// <summary>指定用户 ID 列表（TargetType=Specific 时使用）</summary>
    public List<int>? TargetUserIds { get; set; }
}