namespace EdgeInstaller;

public sealed partial class Version : IComparable<Version>
{
    public int CompareTo(Version? other)
    {
        if (other is null)
        {
            return 1;
        }

        // full Equality is easy since everything should be the same.
        // OPTIM: Doing this here is techinally more effecient than baking it in to the later code
        // Bools and shit
        if (this.Major == other.Major &&
                this.Minor == other.Minor &&
                this.Build == other.Build &&
                this.Patch == other.Patch &&
                this.Subpatch == other.Subpatch)
        {
            return 0;
        }

        // Compare major version
        if (Major != other.Major)
            return Major.CompareTo(other.Major);

        // Compare minor version
        if (Minor != other.Minor)
            return Minor.CompareTo(other.Minor);

        // Compare build number
        if (Build != other.Build)
            return Build.CompareTo(other.Build);

        // Compare patch number
        if (Patch != other.Patch)
            return Patch.CompareTo(other.Patch);

        // Compare subpatch number
        return Subpatch.CompareTo(other.Subpatch);

    }

    public bool Equals(Version? other)
    {
        if (other is null)
        {
            return false;
        }
        return this.CompareTo(other) == 0;
    }

    public static bool operator >(Version v1, Version v2)
    {
        return v1.CompareTo(v2) > 0;
    }

    public static bool operator <(Version v1, Version v2)
    {
        return v1.CompareTo(v2) < 0;
    }


    public static bool operator >=(Version v1, Version v2)
    {
        return v1.CompareTo(v2) >= 0;
    }

    public static bool operator <=(Version v1, Version v2)
    {
        return v1.CompareTo(v2) <= 0;
    }

}