using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations.Schema;

namespace IM_API.Models;

public partial class Group
{
    public int Id { get; set; }

    /// <summary>
    /// 群聊名称
    /// </summary>
    public string Name { get; set; } = null!;

    /// <summary>
    /// 群主
    /// </summary>
    public int GroupMaster { get; set; }

    /// <summary>
    /// 群权限
    /// （0：需管理员同意,1：任意人可加群,2：不允许任何人加入）
    /// </summary>
    public sbyte Auhority { get; set; }

    /// <summary>
    /// 全员禁言（0允许发言，2全员禁言）
    /// </summary>
    public sbyte AllMembersBanned { get; set; }

    /// <summary>
    /// 群聊状态
    /// (1：正常,2：封禁)
    /// </summary>
    public sbyte Status { get; set; }

    /// <summary>
    /// 群公告
    /// </summary>
    public string? Announcement { get; set; }

    /// <summary>
    /// 群聊创建时间
    /// </summary>
    [Column(TypeName = "datetimeoffset")]
    public DateTimeOffset Created { get; set; }

    /// <summary>
    /// 群头像
    /// </summary>
    public string Avatar { get; set; } = null!;
    public long MaxSequenceId { get; set; } = 0;
    public string LastMessage { get; set; } = string.Empty;
    public string LastSenderName { get; set; } = string.Empty;
    public DateTimeOffset LastUpdateTime { get; set; } = DateTime.UtcNow;


    public virtual ICollection<GroupInvite> GroupInvites { get; set; } = new List<GroupInvite>();

    public virtual User GroupMasterNavigation { get; set; } = null!;

    public virtual ICollection<GroupMember> GroupMembers { get; set; } = new List<GroupMember>();

    public virtual ICollection<GroupRequest> GroupRequests { get; set; } = new List<GroupRequest>();
}