using FluentAssertions;
using System.IO;
using Xunit;

namespace PKHeX.Core.Tests.Saves;

public static class SMTests
{
    private static SAV7SM GetSave()
    {
        var folder = TestUtil.GetRepoPath();
        var path = Path.Combine(folder, "TestData", "SM Project 802.main");
        return new SAV7SM(File.ReadAllBytes(path));
    }

    [Fact]
    public static void ChecksumsValid()
    {
        GetSave().ChecksumsValid.Should().BeTrue();
    }

    [Fact]
    public static void ChecksumsUpdate()
    {
        var save = GetSave();
        var originalChecksumInfo = save.ChecksumInfo;
        var newSave = new SAV7SM(save.Write());

        save.ChecksumInfo.Should().BeEquivalentTo(originalChecksumInfo, "because the checksum should have been modified");
        save.ChecksumsValid.Should().BeTrue("because the checksum should be valid after write");
        newSave.ChecksumsValid.Should().BeTrue("because the checksums should be valid after reopening the save");
        newSave.ChecksumInfo.Should().BeEquivalentTo(originalChecksumInfo, "because the checksums should be the same since write and open");
    }
}