using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Mvc.Filters;
using System.Text;
using YieldChain.Models;

namespace YLErp.Web.Areas.Admin.Controllers
{
    [Authorize(policy: "yc_identity"), Area("Admin")]
    public abstract class AdminBaseController : Controller
    {
        /// <summary>
        ///  JSON序列化时是否包括NULL值
        /// </summary>
        protected virtual bool JsonIncludeNullValue { get; set; }

        #region ----HTTP响应----

        /// <summary>
        /// 返回JSON错误信息
        /// </summary>
        protected JsonResult JsonError(string errmsg)
        {
            return JsonResp(1, errmsg);
        }

        /// <summary>
        /// 返回JSON错误信息
        /// </summary>
        protected JsonResult JsonError(string errmsg, bool locale)
        {
            if (locale)
            {
                return JsonResp(1, errmsg);
            }
            return Json(new ApiResponseModel(1, errmsg));
        }

        /// <summary>
        /// 返回JSON错误信息
        /// </summary>
        protected JsonResult JsonError(int errcode, string errmsg)
        {
            return JsonResp(errcode, errmsg);
        }

        /// <summary>
        /// 返回JSON成功信息
        /// </summary>
        protected JsonResult JsonSuccess(object resultData, string message = null)
        {
            return JsonResp(0, message, resultData);
        }

        /// <summary>
        /// 返回JSON格式的成功消息
        /// </summary>
        protected JsonResult JsonSuccess()
        {
            return Json(new ApiResponseModel(0));
        }

        /// <summary>
        /// 返回JSON格式的成功消息
        /// </summary>
        protected JsonResult JsonSuccessMessage(string message)
        {
            return JsonResp(0, message);
        }

        /// <summary>
        /// 返回JSON格式的模型验证失败
        /// </summary>
        protected JsonResult JsonModelError(string separator = "\\n\\n")
        {
            var sb = new StringBuilder();

            foreach (var item in ModelState.Values)
            {
                if (item.Errors.Count > 0)
                {
                    for (var i = item.Errors.Count - 1; i >= 0; i--)
                    {
                        if (sb.Length > 0)
                        {
                            sb.Append(separator);
                        }

                        sb.Append(item.Errors[i].ErrorMessage);
                    }
                }
            }

            return JsonResp(2, sb.ToString());
        }

        /// <summary>
        /// 返回JSON格式的消息
        /// </summary>
        /// <param name="errcode">0-无错误，其他-有错误发生</param>
        /// <param name="message">错误或成功消息</param>
        /// <param name="resultData">结果数据</param>
        protected JsonResult JsonResp(int errcode, string message, object resultData = null)
        {
            return Json(new ApiResponseModel(errcode, message, resultData));
        }


        #endregion

        UserInfo _curUser;

        protected UserInfo CurUser
        {
            get
            {
                if (User.Identity.IsAuthenticated)
                {
                    if (_curUser != null)
                    {
                        return _curUser;
                    }

                    _curUser = Server.CacheProvider.Get("loginUser^" + HttpContext.User.GetUserId()) as UserInfo;

                    if (_curUser != null)
                    {
                        _curUser.UserFrom = OptUserFrom.WebUI;
                        return _curUser;
                    }
                }
                return new UserInfo { UserName = "系统", UserFrom = OptUserFrom.WebUI };
            }
        }

        public override void OnActionExecuting(ActionExecutingContext context)
        {
            if (!CurUser.HasRight("系统管理-系统配置管理"))
            {
                if (Request.Headers["X-Requested-With"] == "XMLHttpRequest")
                {
                    context.Result = JsonError("没有权限");
                }
                else
                {
                    context.Result = new ContentResult { Content = "您无权访问此页面。", ContentType = "text/plain; charset=utf-8" };
                }
            }

            base.OnActionExecuting(context);
        }
    }
}