using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;

namespace Weee.Models.ExtensionMethods
{
    public static class OrganizationLCAExtension
    {
        public static decimal GetTotalVehicleData(this OrganizationLCA organizationLca)
        {
            var totalVehicleData = organizationLca.VehicleSheet.GetTotalKgCO2e();

            foreach (var vehicle in organizationLca.VehicleSheet) {
                totalVehicleData += vehicle.Scalar * vehicle.Parameter.Value;
            }

            return totalVehicleData;
        }

        public static decimal GetTotalRefrigerantData(this OrganizationLCA organizationLca)
        {
            var totalRefrigerantData = organizationLca.RefrigerantSheet.GetTotalKgCO2e();

            foreach (var refrigerant in organizationLca.RefrigerantSheet) {
                totalRefrigerantData += refrigerant.Scalar * refrigerant.Parameter.Value;
            }

            return totalRefrigerantData;
        }

        public static decimal GetTotalKgCO2e(this OrganizationLCA organizationLca)
        {
            return organizationLca.PowerUsageSheet.GetTotalKgCO2e() +
                   organizationLca.VehicleSheet.GetTotalKgCO2e() +
                   organizationLca.RefrigerantSheet.GetTotalKgCO2e() +
                   organizationLca.SteamUsageSheet.GetTotalKgCO2e();
        }

        public static decimal GetTotalData(this OrganizationLCA organizationLca)
        {
            return organizationLca.GetTotalVehicleData() +
                   organizationLca.GetTotalRefrigerantData() +
                   organizationLca.PowerUsageSheet.GetTotalKgCO2e() +
                   organizationLca.SteamUsageSheet.GetTotalKgCO2e();
        }
    }
}