using Microsoft.VisualStudio.TestPlatform.ObjectModel.DataCollection;
using SmallSoftwareContracts.DataModels;
using SmallSoftwareContracts.Exceptions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SmallSoftwareTests.DataModelsTests;
 

[TestFixture]
internal class InstallationRequestDataModelTests
{
    [Test]
    public void SoftwareIdIsNullOrEmptyTest()
    {
        var installationRequest = CreateDataModel(null, Guid.NewGuid().ToString(),
        10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
        installationRequest = CreateDataModel(string.Empty,
        Guid.NewGuid().ToString(), 10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void SoftwareIdIsNotGuidTest()
    {
        var installationRequest = CreateDataModel("softwareId",
        Guid.NewGuid().ToString(), 10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void RequestIdIsNullOrEmptyTest()
    {
        var installationRequest = CreateDataModel(Guid.NewGuid().ToString(), null,
        10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
        installationRequest = CreateDataModel(string.Empty,
        Guid.NewGuid().ToString(), 10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void RequestIdIsNotGuidTest()
    {
        var installationRequest = CreateDataModel(Guid.NewGuid().ToString(),
        "requestId", 10, 10);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void CountIsLessOrZeroTest()
    {
        var installationRequest = CreateDataModel(Guid.NewGuid().ToString(),
        Guid.NewGuid().ToString(), 0, 0);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>()); 
    installationRequest = CreateDataModel(Guid.NewGuid().ToString(),
    Guid.NewGuid().ToString(), -10, -20);
        Assert.That(() => installationRequest.Validate(),
        Throws.TypeOf<ValidationException>());
    }
    [Test]
    public void AllFieldsIsCorrectTest()
    {
        var softwareId = Guid.NewGuid().ToString();
        var requestId = Guid.NewGuid().ToString();
        var count = 10;
        var price = 10;
        var installationRequest = CreateDataModel(softwareId, requestId, count, price);
        Assert.That(() => installationRequest.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(installationRequest.SoftwareId, Is.EqualTo(softwareId));
            Assert.That(installationRequest.RequestId, Is.EqualTo(requestId));
            Assert.That(installationRequest.Count, Is.EqualTo(count));
        });
    }
    private static InstallationRequestDataModel CreateDataModel(string? softwareId, string?
    requestId, int count, double price) =>
    new(softwareId, requestId, count, price);
}