using System;
using System.Collections.Generic;
using Microsoft.VisualStudio.TestTools.UnitTesting;
using Moq;
using LCU.API.Internal.CoreSoapApiWrapper.CoreSoapUtilities;
using LCU.API.Internal.CoreSoapApiWrapper.DataAccess;
using LCU.API.Internal.CoreSoapApiWrapper.Models.Requests;
using LCU.API.Internal.CoreSoapApiWrapper.Services;

namespace LCU.API.Internal.CoreSoapApiWrapperTest.Services
{
    [TestClass]
    public class PersonAgreementServiceTest
    {
        private PersonAgreementService _service;
        private Mock<IPersonAgreementDao> _mockPersonAgreementDao;

        public PersonAgreementServiceTest()
        {
            _mockPersonAgreementDao = new Mock<IPersonAgreementDao>();
            _service = new PersonAgreementService(_mockPersonAgreementDao.Object);
        }

        [TestMethod]
        public void UpdatePersonAgreementsDetailTypes_OK()
        {
            var response = new PersonAgreementMaintenanceResponse()
            {
                WasSuccessful = true
            };
           
            _mockPersonAgreementDao.Setup(x => x.SendPersonAgreementMaintenanceRequest(It.IsAny<PersonAgreementMaintenanceRequest>()))
                                                    .Returns(response).Verifiable();

            var request = new PersonAgreementDetailTypeRequest()
            {
                PersonNumber = 1,
                AgreeNumber = 2,
                DetailTypes = new List<DetailType>()
                {
                    new DetailType()
                    {
                        DetailTypeCode = "Stat",
                        DetailValue = "CLOS"
                    }                    
                }
            };
            var result = _service.UpdatePersonAgreementsDetailTypes(request);
            Assert.IsNotNull(result);
            Assert.IsTrue((bool)result.Success);
            _mockPersonAgreementDao.Verify();
        }

        [TestMethod]
        public void UpdatePersonAgreementsDetailTypes_Exception()
        {
            _mockPersonAgreementDao.Setup(x => x.SendPersonAgreementMaintenanceRequest(It.IsAny<PersonAgreementMaintenanceRequest>()))
                                                    .Throws(new Exception("Error thrown in unit test.")).Verifiable();

            var request = new PersonAgreementDetailTypeRequest()
            {
                PersonNumber = 1,
                AgreeNumber = 2,
                DetailTypes = new List<DetailType>()
                {
                    new DetailType()
                    {
                        DetailTypeCode = "Stat",
                        DetailValue = "CLOS"
                    }
                }
            };
            Assert.ThrowsException<Exception>(() => _service.UpdatePersonAgreementsDetailTypes(request));
            _mockPersonAgreementDao.Verify();
        }

        [TestMethod]
        public void UpdatePersonAgreementsDetailTypes_DetailTypes_Null_Exception()
        {
            var request = new PersonAgreementDetailTypeRequest()
            {
                PersonNumber = 1,
                AgreeNumber = 2,
                DetailTypes = null
            };
            Assert.ThrowsException<ArgumentNullException>(() => _service.UpdatePersonAgreementsDetailTypes(request));
            _mockPersonAgreementDao.Verify(x => x.SendPersonAgreementMaintenanceRequest(
                            It.IsAny<PersonAgreementMaintenanceRequest>()), Times.Never);
        }
    }
}