using System.Collections.Generic;
using System.Linq;
using System.ServiceModel;
using HeuristicLab.Services.Optimization.Billing.DataAccess;
using HeuristicLab.Services.Optimization.Billing.Interfaces;
using HeuristicLab.Services.Optimization.Billing.Model;

namespace HeuristicLab.Services.Optimization.Billing.Business {
  [ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall)]
  public class BillingService : IOptimizationBilling {
    #region Properties

    private BillingDao billingDao;
    private BillingDao BillingDao {
      get {
        if (billingDao == null) billingDao = new BillingDao();
        return billingDao;
      }
    }

    #endregion

    #region Product Methods

    public IList<Product> GetProducts() {
      //TODO: Authentication
      //TODO: Enable Transaction
      return BillingDao.FindAllProducts().ToList();
    }

    #endregion

    #region Order Methods

    public void SaveOrder(Order order) {
      //TODO: Authentication
      //TODO: Enable Transaction
      BillingDao.AddOrder(order);
    }

    public IList<Order> GetOrdersByState(OrderState state) {
      //TODO: Authentication
      //TODO: Enable Transaction
      return BillingDao.FindOrderBy(order => order.State == state).ToList();
    }

    #endregion


    public IList<Order> GetOrders(string userName) {
      throw new System.NotImplementedException();
    }


    public User GetUser(string userName) {
      throw new System.NotImplementedException();
    }

    public void SaveUser(User user) {
      throw new System.NotImplementedException();
    }


    public IList<UsageRecord> GetUsageRecords(string userName) {
      throw new System.NotImplementedException();
    }


    public IList<Invoice> GetInvoices(string userName) {
      throw new System.NotImplementedException();
    }
  }
}