using System;
using System.Collections.Generic;
using System.Linq;
using System.Web.Http.Filters;
using System.Net.Http;
using Weee.Models;

namespace Weee.Filter
{
    /// <summary>
    /// this attribute is designed for sheet data , to determine if a data should be editable
    /// 
    /// </summary>

    public class ApiEditableAttribute : ActionFilterAttribute
    {
        private string _variableName;
        private bool _isList;
        public ApiEditableAttribute(string variableName , bool isList)
        {
            _variableName = variableName;
            _isList = isList;
        }

        public override void OnActionExecuting(System.Web.Http.Controllers.HttpActionContext actionContext)
        {
            if (actionContext.ActionArguments.Count > 0)
            {
                dynamic target = actionContext.ActionArguments[_variableName];
                var holder = new List<SheetData>();
                if (_isList) holder.AddRange(target);
                else holder.Add(target);
                if(holder.Count>0)//CFT-6 處理bug時報錯了
                {
                    int LCAID = holder.Select(x => x.LCAID).First();
                    var db = actionContext.Request.GetDependencyScope().GetService(typeof(Weee.DAL.WeeeDataContext)) as Weee.DAL.WeeeDataContext;
                    var status = db.ProductLCAs.Where(x => x.ID == LCAID).Select(x => x.Status).SingleOrDefault();
                    if (status == LCAStatus.New || status == LCAStatus.Processing)
                    {
                    }
                    else
                    {
                        var response = actionContext.Request.CreateErrorResponse(System.Net.HttpStatusCode.BadRequest, new Exception("error lca status is wrong"));
                        actionContext.Response = response;
                    }
                }

            }
               base.OnActionExecuting(actionContext);
        }
    }
}