using System;
using Microsoft.AspNetCore.Mvc;
using Moq;
using Xunit;
using LCU.Library.Internal.Exceptions;
using LCU.Api.Internal.FileOperations.Controllers;
using LCU.Library.Internal.FileOperationsModels.Models;
using System.Threading.Tasks;
using LCU.Api.Internal.FileOperations.Services.QueueServices;

namespace LCU.Api.Internal.FileOperationsTests.Controllers
{
	public class IndexFileControllerTest
    {
        private IndexFileController _controller;
        private Mock<IQueueFileOperationsService>  _mockQueueFileOperationsService;

        public IndexFileControllerTest()
        {
            _mockQueueFileOperationsService = new Mock<IQueueFileOperationsService>();
            _controller = new IndexFileController(_mockQueueFileOperationsService.Object);
        }

        [Fact]
        public async Task BatchPdfParser_OK()
        {
            var request = new ExtractIndexFileDataRequest()
            {
                IndexFilePath = "\\test\test",
                IndexFileName = "Test.csv"
            };
            _mockQueueFileOperationsService.Setup(service => service.QueueFileOperations(It.IsAny<ExtractIndexFileDataRequest>(), It.IsAny<FileOperationType>())).Verifiable();

            var result = await _controller.QueueExtractIndexFileData(request);
            Assert.NotNull(result);

            var acceptedResult = result as AcceptedResult;
            Assert.NotNull(acceptedResult);
            Assert.Equal(202, acceptedResult!.StatusCode);
            _mockQueueFileOperationsService.Verify();
        }

        [Fact]
        public async Task ExtractIndexFileDataRequest_ServiceException_InternalServerError()
        {
            var request = new ExtractIndexFileDataRequest()
            {
                IndexFilePath = "\\test\test",
                IndexFileName = "Test.csv"
            };
            _mockQueueFileOperationsService.Setup(service => service.QueueFileOperations(It.IsAny<ExtractIndexFileDataRequest>(), It.IsAny<FileOperationType>()))
                                             .Throws(new ServiceException("Thrown From Unit Test")).Verifiable();

            var result = await _controller.QueueExtractIndexFileData(request);
            Assert.NotNull(result);
            var statusResult = result as ObjectResult;
            Assert.NotNull(statusResult);
            Assert.Equal(500, statusResult!.StatusCode);
            _mockQueueFileOperationsService.Verify();
        }

        [Fact]
        public async Task ExtractIndexFileDataRequest_UnexpectedException_InternalServerError()
        {
            var request = new ExtractIndexFileDataRequest()
            {
                IndexFilePath = "\\test\test",
                IndexFileName = "Test.csv"
            };
            _mockQueueFileOperationsService.Setup(service => service.QueueFileOperations(It.IsAny<ExtractIndexFileDataRequest>(), It.IsAny<FileOperationType>()))
                                             .Throws(new Exception("Thrown From Unit Test")).Verifiable();

            var result = await _controller.QueueExtractIndexFileData(request);
            Assert.NotNull(result);
            var statusResult = result as StatusCodeResult;
            Assert.NotNull(statusResult);
            Assert.Equal(500, statusResult!.StatusCode);
            _mockQueueFileOperationsService.Verify();
        }
    }
}