using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Web;
using Weee.DAL;
using Weee.Models;

namespace Weee.Service
{
    public class WeeeProductInventoryDataService :WeeeDataAuthorizeService
    {
        public WeeeProductInventoryDataService(WeeeDataContext d) : base(d)
        {
        }


        public IEnumerable<ProductInventoryStageData> GetAllProductInventoryStageData(int LCAID)
        {
            var productID = _db.ProductLCAs.Find(LCAID).ProductID;
            IEnumerable <ProductInventoryStageData> ret = _db.ProductInventoryStageData.Where(x => x.ProductID == productID);
            return ret;
        }
        public IEnumerable<ProductInventoryParameterData> GetAllProductInventoryParameterData(int LCAID)
        {
            var productID = _db.ProductLCAs.Find(LCAID).ProductID;
            IEnumerable<ProductInventoryParameterData> ret = _db.ProductInventoryParameterData.Where(x => x.ProductID == productID);
            return ret;
        }

        public int SaveStageData(ProductInventoryStageData sour)
        {

            var totalHoursQueryable = _db.ProductInventoryStageData.Where(x => x.ProductID == sour.ProductID);
            var totalHours = 0M;
            if (totalHoursQueryable.Any())
            {
                totalHours = totalHoursQueryable.Sum(x => x.HourPerDayInOperation);
            }
            if (sour.ID == 0)
                totalHours += sour.HourPerDayInOperation;
            //if (totalHours > 24)
            //    throw new Exception("錯誤:各階段使用時數總和不得大於24個小時");

            int re = 0;
            if (sour.ID == 0)
            {
                var entity = _db.ProductInventoryStageData.Add(sour);
                _db.SaveChanges();
                re = entity.ID;
            }
            else
            {
                var list = _db.ProductInventoryStageData.Where(x => x.ID == sour.ID).ToList();
                if (list != null && list.Count() > 0)
                {
                    re = sour.ID;
                    var dbIt = list.FirstOrDefault();
                    dbIt.OperationName = sour.OperationName;
                    dbIt.HourPerDayInOperation = sour.HourPerDayInOperation;
                    dbIt.WattInOperation = sour.WattInOperation;
                    dbIt.LCAID= sour.LCAID;
                    _db.SaveChanges();
                }
                else
                    throw new Exception("查無Id: " + sour.ID.ToString() + "資料");
            }
            return re;
        }

        public int SaveParameterData(ProductInventoryParameterData sour)
        {

            int re = 0;
            if (sour.ID == 0)
            {
                var entity = _db.ProductInventoryParameterData.Add(sour);
                _db.SaveChanges();
                re = entity.ID;
            }
            else
            {
                var list = _db.ProductInventoryParameterData.Where(x => x.ID == sour.ID).ToList();
                if (list != null && list.Count() > 0)
                {
                    re = sour.ID;
                    var dbIt = list.FirstOrDefault();
                    dbIt.ParameterCountry = sour.ParameterCountry;
                    dbIt.ParameterDescription = sour.ParameterDescription;
                    dbIt.ParameterID = sour.ParameterID;
                    dbIt.ParameterRegion = sour.ParameterRegion;
                    dbIt.ParameterUnit = sour.ParameterUnit;
                    dbIt.ParameterValue = sour.ParameterValue;
                    dbIt.RegionAmount = sour.RegionAmount;
                    dbIt.LCAID= sour.LCAID;
                    _db.SaveChanges();
                }
                else
                    throw new Exception("查無Id: " + sour.ID.ToString() + "資料");
            }
            return re;
        }
        public void DeleteStage(int Id)
        {
            var list = _db.ProductInventoryStageData.Where(x => x.ID == Id).ToList();
            if (list != null && list.Count > 0)
            {
                var dbIt = list.FirstOrDefault();
                _db.ProductInventoryStageData.Remove(dbIt);
                _db.SaveChanges();
            }
        }
        public void DeleteParameter(int Id)
        {
            var list = _db.ProductInventoryParameterData.Where(x => x.ID == Id).ToList();
            if (list != null && list.Count > 0)
            {
                var dbIt = list.FirstOrDefault();
                _db.ProductInventoryParameterData.Remove(dbIt);
                _db.SaveChanges();
            }
        }
    }
}