using FluentAssertions;
using Microsoft.AspNetCore.Mvc;
using Moq;
using NUnit.Framework;
using Strata.ContinuousImprovement.Api.Controllers;
using Strata.ContinuousImprovement.Biz.Databases;
using Strata.ContinuousImprovement.Biz.Replication;
using System;
using System.Collections.Generic;
using System.Threading;
using System.Threading.Tasks;

namespace Strata.ContinuousImprovement.Api.Test.Unit.Controllers
{
    [TestFixture, Category("Unit"), Category("Controller")]
    public class DatabaseControllerTests
    {
        private readonly DatabasesController _databaseController;
        private readonly Mock<IDatabaseService> _mockDatabaseService;

        public DatabaseControllerTests()
        {
            _mockDatabaseService = new Mock<IDatabaseService>();
            _databaseController = new DatabasesController(_mockDatabaseService.Object);
        }

        [Test]
        public async Task Get_ReturnsAllDatabases()
        {
            // Arrange
            var databases = new List<Database>
            {
                new Database { DatabaseGuid = Guid.NewGuid() },
                new Database { DatabaseGuid = Guid.NewGuid() }
            };

            _mockDatabaseService
                .Setup(x => x.GetDatabasesAsync(It.IsAny<CancellationToken>()))
                .ReturnsAsync(databases);

            // Act
            var result = await _databaseController.Get(CancellationToken.None);

            // Assert
            var okResult = result.Result.Should().BeOfType<OkObjectResult>().Subject;
            okResult.Value.Should().BeEquivalentTo(databases);
        }

        [Test]
        public async Task Get_ReturnsNoContent_IfNoneExists()
        {
            // Arrange
            var databases = new List<Database>();

            _mockDatabaseService
                .Setup(x => x.GetDatabasesAsync(It.IsAny<CancellationToken>()))
                .ReturnsAsync(databases);

            // Act
            var result = await _databaseController.Get(CancellationToken.None);

            // Assert
            var okResult = result.Result.Should().BeOfType<NoContentResult>();
        }
    }
}