using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SKMC.Api.Client.Access
{
    /// <summary>
    /// 角色权限访问接口
    /// </summary>
    public interface IClientRoleAccesser
    {
        /// <summary>
        /// 当前角色
        /// </summary>
        ClientRole UserRole { get; set; }

        /// <summary>
        /// 权限标识, 切换权限时变更
        /// </summary>
        int AccessToken { get; set; }

        /// <summary>
        /// 所有角色列表(下拉选择)
        /// </summary>
        ObservableCollection<ClientRole> ClientRoles { get; set; }

        /// <summary>
        /// 角色登录
        /// </summary>
        /// <param name="roleCode">角色码</param>
        /// <param name="password">登录密码</param>
        /// <param name="action">后置动作</param>
        /// <returns></returns>
        bool Login(string roleCode, string password, Action action = null);

        /// <summary>
        /// 当前角色登出
        /// </summary>
        /// <param name="action">后置动作</param>
        void Logout(Action action = null);

        /// <summary>
        /// 密码验证
        /// </summary>
        /// <param name="roleCode">角色码</param>
        /// <param name="password">登录密码</param>
        /// <param name="action">后置动作</param>
        /// <returns></returns>
        bool CheckPassword(string roleCode, string password, Action action = null);

        /// <summary>
        /// 更改密码
        /// </summary>
        /// <param name="roleCode">角色码</param>
        /// <param name="password">登录密码</param>
        /// <param name="newpwd">新密码</param>
        void ChangePassword(string roleCode, string password, string newpwd);

        /// <summary>
        /// 权限验证
        /// </summary>
        /// <param name="accessCode"></param>
        /// <returns></returns>
        bool HasAccess(string accessCode);

        /// <summary>
        /// 权限验证, 并根据设备状态匹配
        /// </summary>
        /// <param name="accessCode"></param>
        /// <returns></returns>
        bool HasAccess(string accessCode, byte deviceStatus);

        /// <summary>
        /// 加载角色（权限）
        /// </summary>
        /// <param name="roleCode">角色码, null表示初始角色</param>
        /// <returns></returns>
        ClientRole LoadRole(string roleCode = null, Action action = null);

        /// <summary>
        /// 加载角色的事件
        /// </summary>
        event Action LoadRoleEvent;

        /// <summary>
        /// 卸载角色（权限）
        /// </summary>
        void UnloadRole(Action action = null);
    }
}