using System;
using System.Collections.Generic;
using System.Threading.Tasks;

namespace Sanhe.Abp.Notifications;

/// <summary>
/// 发送通知接口
/// </summary>
public interface INotificationSender
{
    /// <summary>
    /// 发送通知
    /// </summary>
    /// <param name="name">名称</param>
    /// <param name="data">数据</param>
    /// <param name="userId">用户,为空标识发给所有订阅用户</param>
    /// <param name="tenantId">租户</param>
    /// <param name="severity">严重级别</param>
    /// <returns>通知标识</returns>
    Task<string> SendNofiterAsync(
        string name,
        NotificationData data,
        UserIdentifier user = null,
        Guid? tenantId = null,
        NotificationSeverity severity = NotificationSeverity.Info);

    /// <summary>
    /// 发送通知
    /// </summary>
    /// <param name="name">名称</param>
    /// <param name="data">数据</param>
    /// <param name="users">用户列表,为空标识发给所有订阅用户</param>
    /// <param name="tenantId">租户</param>
    /// <param name="severity">严重级别</param>
    /// <returns>通知标识</returns>
    Task<string> SendNofitersAsync(
        string name,
        NotificationData data,
        IEnumerable<UserIdentifier> users = null,
        Guid? tenantId = null,
        NotificationSeverity severity = NotificationSeverity.Info);
}