using System.ComponentModel.DataAnnotations;
using System.Linq;
using LCU.Library.Internal.IncentiveApiModels.Entities;
using LCU.Library.Internal.IncentiveApiModels.Enums;
using NUnit.Framework;

namespace Application.UnitTests.Entities
{
    public class DepartmentTest
    {
        [Test]
        public void Validate_OK()
        {
            var dept = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = "MEMSRV",
                State = DepartmentState.Active
            };

            var results = dept.Validate(new ValidationContext(dept));
            Assert.IsEmpty(results);
        }

        [TestCase("BCHOPS", false)]
        [TestCase("MEMSRV", false)]
        [TestCase("OPS", false)]
        [TestCase("TOAST", true)]
        public void Validate_BusinessLineCode_OK(string businessLine, bool hasError)
        {
            var dept = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = businessLine,
                State = DepartmentState.Active
            };

            var results = dept.Validate(new ValidationContext(dept));
            Assert.AreEqual(hasError,results.Any());
        }

        [Test]
        public void Validate_Bad_BusinessLine()
        {
            var dept = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = "THISISNOTAREALBUSINESSLINECODE",
                State = DepartmentState.Active
            };

            var results = dept.Validate(new ValidationContext(dept));
            Assert.NotNull(results);
            Assert.AreEqual(1, results.Count());
            Assert.AreEqual(results.First().ErrorMessage, "The supplied BusinessLineCode is not associated with any known BusinessLine");
        }

        [Test]
        public void Validate_NullRegionCode_OK()
        {
            var department = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = "MEMSRV",
                RegionCode = null,
                State = DepartmentState.Active
            };

            var results = department.Validate(new ValidationContext(department));

            Assert.NotNull(results);
            Assert.IsEmpty(results);
        }

        [TestCase("INVALID_REGION")]
        [TestCase("")]
        [TestCase(" ")]
        public void Validate_BadRegionCode_IncludesValidationResult(string regionCode)
        {
            var department = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = "MEMSRV",
                RegionCode = regionCode,
                State = DepartmentState.Active
            };

            var results = department.Validate(new ValidationContext(department));

            Assert.NotNull(results);
            Assert.AreEqual(1, results.Count());
            Assert.AreEqual(results.First().ErrorMessage, "The supplied RegionCode is not associated with any known Region");
        }

        [TestCase("EAST")]
        [TestCase("NORTH")]
        [TestCase("SOUTH")]
        [TestCase("WEST")]
        public void Validate_RegionCode_OK(string regionCode)
        {
            var dept = new Department()
            {
                DepartmentName = "Test1",
                BusinessLineCode = "MEMSRV",
                RegionCode = regionCode,
                State = DepartmentState.Active
            };

            var results = dept.Validate(new ValidationContext(dept));
            Assert.NotNull(results);
            Assert.IsEmpty(results);
        }
    }
}