components/LiteCharms.Features.MidrandBooks.Tests/ProductServiceFeatureTests.cs

using LiteCharms.Features.MidrandBooks.Products;
using LiteCharms.Features.MidrandBooks.Products.Models;
using LiteCharms.Features.Models;
using LiteCharms.Features.Tests.Common;

namespace LiteCharms.Features.MidrandBooks.Tests;

public class ProductServiceFeatureTests(Fixture fixture, ITestOutputHelper output) : IClassFixture<Fixture>
{
    private readonly ProductService productService = fixture.Services.GetRequiredService<ProductService>();

    [IntegrationFact]
    public async Task CheckProductStockAvailabilityAsync_ShouldReturn_ResultWithProductInventory()
    {
        var result = await productService.CheckProductStockAvailabilityAsync(1, 1, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotNull(result.Value);
    }

    [IntegrationFact]
    public async Task ReserveProductInventoryAsync_ShouldReturn_ResultWithSuccess()
    {
        var request = new ReserveStock
        {
            ProductId = 1,
            ProductPriceId = 1,
            Reservation = 100,            
        };

        var result = await productService.ReserveProductInventoryAsync(request, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.True(result.Value > 0);
    }

    [IntegrationFact]
    public async Task AllocateProductInventoryAsync_ShouldReturn_ResultWithSuccess()
    {
        var request = new AllocateStock
        {
            ProductId = 1, 
            ProductPriceId = 1,
            Allocation = 500,
        };

        var result = await productService.AllocateProductInventoryAsync(request, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.True(result.Value > 0);
    }

    [IntegrationFact]
    public async Task AddProductCategoryAsync_ShouldReturn_ResultWithId()
    {
        var result = await productService.AddProductCategoryAsync(1, 2, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
    }

    [IntegrationFact]
    public async Task GetProductCategoriesAsync_ShouldReturn_ResultWithCategoryList()
    {
        var result = await productService.GetProductCategoriesAsync(1, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotEmpty(result.Value);
    }

    [IntegrationFact]
    public async Task DeleteProductCategoryAsync_ShouldReturn_ResultWithSuccess()
    {
        var result = await productService.DeleteProductCategoryAsync(1, 1, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
    }

    [IntegrationFact]
    public async Task DeleteAllProductCategoriesAsync_ShouldReturn_ResultWithSuccess()
    {
        var result = await productService.DeleteAllProductCategoriesAsync(1, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
    }

    [IntegrationFact]
    public async Task GetProductPriceAsync_ShouldReturn_ResultOneProductPrice()
    {
        var result = await productService.GetProductPriceAsync(2, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotNull(result.Value);

        output.WriteLine(JsonSerializer.Serialize(result.Value));
    }

    [IntegrationFact]
    public async Task GetProductPricesAsync_ShouldReturn_ResultProductPriceList()
    {
        var result = await productService.GetProductPricesAsync(2, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotEmpty(result.Value);

        output.WriteLine(JsonSerializer.Serialize(result.Value));
    }

    [IntegrationFact]
    public async Task SearchProductsAsync_ShouldReturn_ResultMatchingProducts()
    {
        var filter = new ProductFilter
        {
            Name = "system",
            Manufacturer = "techwave",
            SerialNumber = "2024",
            MinPrice = 10,
            MaxPrice = 30    
        };

        var result = await productService.SearchProductsAsync(filter, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotEmpty(result.Value);

        output.WriteLine(JsonSerializer.Serialize(result.Value));
    }

    [IntegrationFact]
    public async Task GetProductAsync_ShouldReturn_ResultOneProduct()
    {
        var result = await productService.GetProductAsync(2, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotNull(result.Value);

        output.WriteLine(JsonSerializer.Serialize(result.Value));
    }

    [IntegrationFact]
    public async Task GetProductsAsync_ShouldReturn_ResultProducts()
    {
        var range = new DateRange
        {
            From = DateOnly.FromDateTime(DateTime.UtcNow.AddDays(-7)),
            To = DateOnly.FromDateTime(DateTime.UtcNow),
            MaxRecords = 1000
        };

        var result = await productService.GetProductsAsync(0, range, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
        Assert.NotEmpty(result.Value);

        output.WriteLine(JsonSerializer.Serialize(result.Value));
    }

    [IntegrationFact]
    public async Task UpdateProductStatusAsync_ShouldResurn_ResultTrue()
    {
        var result = await productService.UpdateProductStatusAsync(2, true, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
    }

    [IntegrationFact]
    public async Task UpdateProductPriceStatusAsync_ShouldReturn_ResultTrue()
    {
        var result = await productService.UpdateProductPriceStatusAsync(2, true, fixture.CancellationToken);

        Assert.True(result.IsSuccess);
    }

    [IntegrationFact]
    public async Task CreateProductPriceAsync_Should_Return_NewProductPriceId()
    {   
        var request = new CreateProductPrice
        {
            Amount = 29.99m,
            Discount = 0.00m
        };

        var result = await productService.CreateProductPriceAsync(2, request, fixture.CancellationToken);

        Assert.True(result.IsSuccess, "Product price creation should be successful.");
        Assert.True(result.Value > 0, "New ProductPriceId should be greater than 0.");

        output.WriteLine($"Created ProductPriceId: {result.Value}");
    }

    [IntegrationFact]
    public async Task CreateProductAsync_Result_Returns_ProductId()
    {
        var request = new CreateProduct
        {
            Name = "Systems Rewired",
            Description = "[Design], <Code>, AND /CHAORS/ IN ***SYNC***",
            Summary = "A comprehensive guide to systems thinking and design.",
            ImageUrl = "https://bookshop.cdn.khongisa.co.za/design/2bf1f9a2-7b25-4fcf-9aa7-08941ea21e6c_1764838499686.webp",
            Type = ProductTypes.Book,
            Categories = ["Systems Thinking", "Design", "Programming"],
            Metadata = new ProductMetadata
            {
                CopyrightInfo = "© 2024 John Doe. All rights reserved.",
                ManufactureDate = "2024-06-01",
                Manufacturer = "TechWave Publishing",
                SerialNumber = "SR-2024-0001"
            }
        };

        var result = await productService.CreateProductAsync(request, fixture.CancellationToken);

        Assert.True(result.IsSuccess, "Product creation should be successful.");
        Assert.True(result.Value > 0, "ProductId should be greater than 0.");

        output.WriteLine($"Created ProductId: {result.Value}");
    }
}