namespace BLL
{
    using System.Collections.Generic;
    using System.Linq;
    using System.Web.UI.WebControls;

    public static class Sys_RoleService
    {
        /// <summary>
        /// 获取角色信息
        /// </summary>
        /// <param name="roleId">角色Id</param>
        /// <returns></returns>
        public static Model.Sys_Role GetRole(string roleId)
        {
            return Funs.DB.Sys_Role.FirstOrDefault(x => x.RoleId == roleId);
        }

        /// <summary>
        /// 增加角色
        /// </summary>
        /// <param name="roleName"></param>
        /// <param name="def"></param>
        public static void AddRole(string roleName, string def)
        {
            string newKeyID = SQLHelper.GetNewID(typeof(Model.Sys_Role));
            Model.Sys_Role role = new Model.Sys_Role();
            role.RoleId = newKeyID;
            role.RoleName = roleName;
            role.Def = def;

            Funs.DB.Sys_Role.InsertOnSubmit(role);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 修改角色信息
        /// </summary>
        /// <param name="roleId"></param>
        /// <param name="roleName"></param>
        /// <param name="def"></param>
        public static void UpdateRole(string roleId, string roleName, string def)
        {
            Model.Sys_Role role = Funs.DB.Sys_Role.First(e => e.RoleId == roleId);
            role.RoleName = roleName;
            role.Def = def;

            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 删除角色
        /// </summary>
        /// <param name="roleId"></param>
        public static void DeleteRole(string roleId)
        {
            Model.Sys_Role role = Funs.DB.Sys_Role.First(e => e.RoleId == roleId);
            Funs.DB.Sys_Role.DeleteOnSubmit(role);
            Funs.DB.SubmitChanges();
        }

        /// <summary>
        /// 获取角色名称是否存在
        /// </summary>
        /// <param name="roleId">角色id</param>
        /// <param name="roleName">角色名称</param>
        /// <returns>是否存在</returns>
        public static bool IsExistRoleName(string roleId, string roleName)
        {
            bool isExist = false;
            var role = Funs.DB.Sys_Role.FirstOrDefault(x => x.RoleName == roleName && x.RoleId != roleId);
            if (role != null)
            {
                isExist = true;
            }
            return isExist;
        }

        /// <summary>
        /// 根据角色判断用户是否存在
        /// </summary>
        /// <param name="roleId">角色</param>
        /// <returns>true:存在；false:不存在</returns>
        public static bool IsExistUserByRole(string roleId, string userId)
        {
            bool isExist = false;
            if (userId == BLL.Const.Gly)
            {
                isExist = true;
            }
            else
            {
                var m = from x in Funs.DB.Sys_User where x.RoleId == roleId select x;
                if (m.Count() > 0)
                {

                    if ((m.Where(z => z.UserId == userId) != null))
                    {
                        if (m.Where(z => z.UserId == userId).Count() > 0)
                        {
                            return true;
                        }
                    }
                }
            }
            return isExist;
        }

        /// <summary>
        /// 获取角色下拉选项
        /// </summary>
        /// <returns></returns>
        public static List<Model.Sys_Role> GetRoleList()
        {
            var list = (from x in Funs.DB.Sys_Role orderby x.RoleName select x).ToList();
            return list;
        }

        /// <summary>
        /// 常量表下拉框
        /// </summary>
        /// <param name="dropName">下拉框名字</param>
        /// <param name="isShowPlease">是否显示请选择</param>
        public static void InitDropDownList(FineUIPro.DropDownList dropName, bool isShowPlease)
        {
            dropName.DataValueField = "RoleId";
            dropName.DataTextField = "RoleName";
            dropName.DataSource = GetRoleList();
            dropName.DataBind();
            if (isShowPlease)
            {
                Funs.FineUIPleaseSelect(dropName);
            }
        }
    }
}