using SoftwareInstallationContracts.DataModels;
using SoftwareInstallationContracts.Exceptions;
using System;
using System.Collections.Generic;
using System.ComponentModel.DataAnnotations;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoftwareInstallationTests.DataModelsTests;

[TestFixture]
internal class InstallationSoftwareDataModelTests
{
    private InstallationSoftwareDataModel installSoftware;

    [Test]
    public void InstallIdIsNullOrEmptyTest()
    {
        installSoftware = CreateDataModel(null, Guid.NewGuid().ToString(), 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
        installSoftware = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
    }

    [Test]
    public void InstallIdIsNotGuidTest()
    {
        installSoftware = CreateDataModel("installId", Guid.NewGuid().ToString(), 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
    }

    [Test]
    public void SoftwareIdIsNullOrEmptyTest()
    {
        installSoftware = CreateDataModel(Guid.NewGuid().ToString(), null, 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
        installSoftware = CreateDataModel(string.Empty, Guid.NewGuid().ToString(), 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
    }

    [Test]
    public void SoftwareIdIsNotGuidTest()
    {
        installSoftware = CreateDataModel(Guid.NewGuid().ToString(), "softwareId", 10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
    }

    [Test]
    public void CountIsLessOrZeroTest()
    {
        installSoftware = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), 0);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
        installSoftware = CreateDataModel(Guid.NewGuid().ToString(), Guid.NewGuid().ToString(), -10);
        Assert.That(() => installSoftware.Validate(), Throws.TypeOf<ValidationFieldException>());
    }

    [Test]
    public void AllFieldsIsCorrectTest()
    {
        string installId = Guid.NewGuid().ToString();
        string softwareId = Guid.NewGuid().ToString();
        int count = 10;
        installSoftware = CreateDataModel(installId, softwareId, count);
        Assert.That(() => installSoftware.Validate(), Throws.Nothing);
        Assert.Multiple(() =>
        {
            Assert.That(installSoftware.InstallationId, Is.EqualTo(installId));
            Assert.That(installSoftware.ProgramId, Is.EqualTo(softwareId));
            Assert.That(installSoftware.Count, Is.EqualTo(count));
        });
    }

    private static InstallationSoftwareDataModel CreateDataModel(string? installId, string? softwareId, int count) =>
        new(installId, softwareId, count);
}