using System;

namespace StellaOps.Scanner.Analyzers.Lang.Go.Internal;

internal sealed class GoModule
{
    public GoModule(string path, string? version, string? sum, bool isMain)
    {
        Path = path ?? throw new ArgumentNullException(nameof(path));
        Version = Normalize(version);
        Sum = Normalize(sum);
        IsMain = isMain;
    }

    public string Path { get; }

    public string? Version { get; }

    public string? Sum { get; }

    public GoModuleReplacement? Replacement { get; private set; }

    public bool IsMain { get; }

    public void SetReplacement(GoModuleReplacement replacement)
    {
        Replacement = replacement ?? throw new ArgumentNullException(nameof(replacement));
    }

    private static string? Normalize(string? value)
    {
        if (string.IsNullOrWhiteSpace(value))
        {
            return null;
        }

        var trimmed = value.Trim();
        return trimmed.Length == 0 ? null : trimmed;
    }
}

internal sealed class GoModuleReplacement
{
    public GoModuleReplacement(string path, string? version, string? sum)
    {
        Path = path ?? throw new ArgumentNullException(nameof(path));
        Version = Normalize(version);
        Sum = Normalize(sum);
    }

    public string Path { get; }

    public string? Version { get; }

    public string? Sum { get; }

    private static string? Normalize(string? value)
    {
        if (string.IsNullOrWhiteSpace(value))
        {
            return null;
        }

        var trimmed = value.Trim();
        return trimmed.Length == 0 ? null : trimmed;
    }
}