using System;
using System.IO;
using System.Text;
using LBPUnion.ProjectLighthouse.Types.Files;
using Xunit;

namespace LBPUnion.ProjectLighthouse.Tests;

public class FileTypeTests
{
    [Fact]
    public void ShouldRecognizeLevel()
    {
        LbpFile file = new(File.ReadAllBytes("ExampleFiles/TestLevel.lvl"));
        Assert.True(file.FileType == LbpFileType.Level);
    }

    [Fact]
    public void ShouldRecognizeScript()
    {
        LbpFile file = new(File.ReadAllBytes("ExampleFiles/TestScript.ff"));
        Assert.True(file.FileType == LbpFileType.Script);
    }

    [Fact]
    public void ShouldRecognizeTexture()
    {
        LbpFile file = new(File.ReadAllBytes("ExampleFiles/TestTexture.tex"));
        Assert.True(file.FileType == LbpFileType.Texture);
    }

    [Fact]
    public void ShouldRecognizeFileArchive()
    {
        LbpFile file = new(File.ReadAllBytes("ExampleFiles/TestFarc.farc"));
        Assert.True(file.FileType == LbpFileType.FileArchive);
    }

    [Fact]
    public void ShouldNotRecognizeFileArchiveAsScript()
    {
        LbpFile file = new(File.ReadAllBytes("ExampleFiles/TestFarc.farc"));
        Assert.False(file.FileType == LbpFileType.Script);
        Assert.True(file.FileType == LbpFileType.FileArchive);
    }

    [Fact]
    public void ShouldRecognizeNothingAsUnknown()
    {
        LbpFile file = new(Array.Empty<byte>());
        Assert.True(file.FileType == LbpFileType.Unknown);
    }

    [Fact]
    public void ShouldRecognizeGarbageAsUnknown()
    {
        LbpFile file = new(Encoding.ASCII.GetBytes("free pc only $900"));
        Assert.True(file.FileType == LbpFileType.Unknown);
    }
}