namespace ModpackUpdater.Manager;

public static class Extensions
{
    public static bool IsSide(this Side @this, Side side)
    {
        return @this.HasFlag(side);
    }


    public static void CopyDirectory(string sourceDir, string destinationDir, bool recursive)
    {
        // Get information about the source directory
        var dir = new DirectoryInfo(sourceDir);

        // Check if the source directory exists
        if (!dir.Exists)
            throw new DirectoryNotFoundException($"Source directory not found: {dir.FullName}");

        // Cache directories before we start copying
        DirectoryInfo[] dirs = dir.GetDirectories();

        // Create the destination directory
        Directory.CreateDirectory(destinationDir);

        // Get the files in the source directory and copy to the destination directory
        foreach (FileInfo @file in dir.GetFiles())
        {
            string targetFilePath = Path.Combine(destinationDir, @file.Name);
            @file.CopyTo(targetFilePath, true);
        }

        // If recursive and copying subdirectories, recursively call this method
        if (recursive)
        {
            foreach (DirectoryInfo subDir in dirs)
            {
                string newDestinationDir = Path.Combine(destinationDir, subDir.Name);
                CopyDirectory(subDir.FullName, newDestinationDir, true);
            }
        }
    }

    public static string GetSourceUrl(this InstallAction @this, Version version, string? overwriteVersion = null)
    {
        if (!string.IsNullOrWhiteSpace(overwriteVersion))
            return @this.SourceUrl?.Replace("{version}", overwriteVersion);
        if (version is not null)
            return @this.SourceUrl?.Replace("{version}", version.ToString(3));
        return @this.SourceUrl;
    }

    public static string GetInstallUrl(this ModpackConfig @this, string? overwriteRefTag = null)
    {
        if (!string.IsNullOrWhiteSpace(overwriteRefTag))
            return @this.InstallUrl?.Replace("{ref}", overwriteRefTag);
        if (!string.IsNullOrWhiteSpace(@this.RefTag))
            return @this.InstallUrl?.Replace("{ref}", @this.RefTag);
        return @this.InstallUrl;
    }

    public static string GetUpdateUrl(this ModpackConfig @this, string? overwriteRefTag = null)
    {
        if (!string.IsNullOrWhiteSpace(overwriteRefTag))
            return @this.UpdateUrl?.Replace("{ref}", overwriteRefTag);
        if (!string.IsNullOrWhiteSpace(@this.RefTag))
            return @this.UpdateUrl?.Replace("{ref}", @this.RefTag);
        return @this.UpdateUrl;
    }
}