using FluentAssertions;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using Strata.ContinuousImprovement.Api.Controllers.JazzQvi;
using Strata.ContinuousImprovement.Biz.QualityVariation.QVI;
using System;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Api.Test.Unit.Controllers
{
	[TestFixture, Category("Unit"), Category("Controller")]
	public class QviEncountersControllerTests
	{
		private Mock<IQviEncounterService> _serviceMock;
		private QviEncountersController _controller;

		[SetUp]
		public void SetUp()
		{
			_serviceMock = new Mock<IQviEncounterService>();
			_controller = new QviEncountersController(_serviceMock.Object);
		}

		[Test]
		public async Task Get_WhenConfigurationGuidIsEmpty_ReturnsBadRequest()
		{
			var result = await _controller.Get(Guid.Empty, DateTime.UtcNow, DateTime.UtcNow, CancellationToken.None);

			result.Result.Should().BeOfType<BadRequestObjectResult>();
			_serviceMock.Verify(s => s.GetEncounterInfoAsync(It.IsAny<Guid>(), It.IsAny<DateTime>(), It.IsAny<DateTime>(), It.IsAny<CancellationToken>()), Times.Never);
		}

		[Test]
		public async Task Get_WhenConfigurationGuidIsValid_ReturnsOk()
		{
			var configurationGuid = Guid.NewGuid();
			var startDate = new DateTime(2024, 1, 1);
			var endDate = new DateTime(2024, 12, 31);
			var expected = new[] { new EncounterInfo { EncounterId = 11, EncounterRecordNumber = "enc-11" } };
			_serviceMock
				.Setup(s => s.GetEncounterInfoAsync(configurationGuid, startDate, endDate, It.IsAny<CancellationToken>()))
				.ReturnsAsync(expected);

			var result = await _controller.Get(configurationGuid, startDate, endDate, CancellationToken.None);

			result.Result.Should().BeOfType<OkObjectResult>();
			var okResult = result.Result as OkObjectResult;
			var value = okResult?.Value as System.Collections.Generic.IEnumerable<EncounterInfo>;
			value.Should().NotBeNull();
			value!.Single().EncounterId.Should().Be(11);
			_serviceMock.Verify(s => s.GetEncounterInfoAsync(configurationGuid, startDate, endDate, It.IsAny<CancellationToken>()), Times.Once);
		}
	}
}