using System.Data;
using System.Text.Json;

namespace YLErp.Web.WebAPI
{
    [ApiController, ApiAuthorize]
    public abstract class BaseController : ControllerBase
    {
        OptUserInfo _userInfo;

        protected OptUserInfo CurUser
        {
            get
            {
                if (_userInfo != null)
                {
                    return _userInfo;
                }

                if (User.Identity is OptUserInfo userInfo)
                {
                    return _userInfo = userInfo;
                }

                return OptUserInfo.SystemUser;
            }
        }

        #region----JSON消息处理----

        private static JsonResult JsonResult(int code, string msg, object data)
        {
            return new JsonResult(new ApiResult { code = code, msg = msg, data = data }
                , new System.Text.Json.JsonSerializerOptions
                {
                    PropertyNamingPolicy = JsonNamingPolicy.CamelCase
                });
        }

        /// <summary>
        /// 处理成功后返回的json消息
        /// </summary>
        protected JsonResult JsonSuccessMsg(string msg)
        {
            return JsonResult(code: 0, msg: msg, data: null);
        }

        /// <summary>
        /// 处理成功后返回的json数据
        /// </summary>
        protected JsonResult JsonSuccess(object data, string msg = null)
        {
            return JsonResult(code: 0, msg: msg, data: data);
        }

        /// <summary>
        /// 处理错误时返回的json消息
        /// </summary>
        protected JsonResult JsonError(string msg)
        {
            return JsonResult(code: 1, msg: msg, data: null);
        }

        /// <summary>
        /// 处理错误时返回的json消息
        /// </summary>
        protected JsonResult JsonError(int code, string msg)
        {
            return JsonResult(code: code, msg: msg, data: null);
        }

        /// <summary>
        /// 处理错误时返回的json消息
        /// </summary>
        protected JsonResult JsonError(Exception ex)
        {
            return JsonResult(code: 1, msg: "发生错误!" + ex.Message, data: null);
        }

        /// <summary>
        /// 返回的分页json数据
        /// </summary>
        protected JsonResult JsonPagedList<T>(IPagedList<T> pagedList)
        {
            return JsonResult(code: 0, msg: null, data: new
            {
                page = pagedList.PageIndex,
                total = pagedList.TotalCount,
                rows = pagedList.Items,
                totalPages = pagedList.TotalPages()
            });
        }

        #endregion
    }
}