using System;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using PersonalFinance;
using System.Collections.Generic;

namespace PersonalFinanceTest
{
    [TestClass]
    public class PaymentServiceTest
    {
        [TestMethod]
        public void PaymentService_GetAllPayments()
        {
            EntityContextInit contextInit = new EntityContextInit();
            EntityContext context = new EntityContext();
            List<Payment> paymentList = contextInit.GetInitPaymentList(contextInit.GetInitUserList());
            context.Payments = MoqContext.GetQueryableMockDbSet(paymentList.ToArray());

            var service = new PaymentService(context);
            var payments = service.GetAllPayments();

            Assert.AreEqual(5, payments.Count, "Count of all payments isn't right!");
        }

        [TestMethod]
        public void PaymentService_FindPayments()
        {
            EntityContextInit contextInit = new EntityContextInit();
            EntityContext context = new EntityContext();
            List<Payment> paymentList = contextInit.GetInitPaymentList(contextInit.GetInitUserList());
            context.Payments = MoqContext.GetQueryableMockDbSet(paymentList.ToArray());

            var service = new PaymentService(context);
            var payments = service.GetAllPayments();

            var a = payments.FindAll(q => q.Currency.Equals(PaymentCurrency.CZK));
            Assert.AreEqual(3, a.Count, "Count of payments with currency equals MALE isn't right!");

            var b = payments.FindAll(q => q.Group.Equals(PaymentGroup.Family));
            Assert.AreEqual(2, b.Count, "Count of payments with group equals MALE isn't right!");

            var c = payments.FindAll(q => q.Paid.Equals(false));
            Assert.AreEqual(1, c.Count, "Count of payments with paid equals FASLE isn't right!");

            var d = payments.FindAll(q => q.Price < 100);
            Assert.AreEqual(1, d.Count, "Count of payments with price lowwer then 100 isn't right!");
        }
        [TestMethod]
        public void PaymentService_UpdatePayment()
        {
            EntityContextInit contextInit = new EntityContextInit();
            EntityContext context = new EntityContext();
            List<Payment> paymentList = contextInit.GetInitPaymentList(contextInit.GetInitUserList());
            context.Payments = MoqContext.GetQueryableMockDbSet(paymentList.ToArray());

            var service = new PaymentService(context);
            var payments = service.GetAllPayments();

            payments[0].Price = 99;
            service.UpdatePayment(payments[0]);
            var a = payments.FindAll(q => q.Price < 100);
            Assert.AreEqual(2, a.Count, "Count of payments with price lowwer then 100 isn't right!");
        }

        [TestMethod]
        [ExpectedException(typeof(IndexOutOfRangeException), "Payment with ID was found!")]
        public void PaymentService_DeĺeteNonexistingPayment()
        {
            EntityContextInit contextInit = new EntityContextInit();
            EntityContext context = new EntityContext();
            List<Payment> paymentList = contextInit.GetInitPaymentList(contextInit.GetInitUserList());
            context.Payments = MoqContext.GetQueryableMockDbSet(paymentList.ToArray());

            var service = new PaymentService(context);
            service.DeletePayment(99);
        }


    }
}