using System.Drawing;
using System.Reflection;

namespace Pilz.UI.Symbols;

public abstract class BaseSymbolFactory<TSymbols> : IBaseSymbolFactory<TSymbols>
{
    public abstract string GetImageRessourcePath(TSymbols svgImage);
    public abstract Assembly GetImageResourceAssembly();

    protected virtual Size ResolveCommonSize(SymbolSize size)
    {
        return size switch
        {
            SymbolSize.Default => Size.Empty,
            SymbolSize.Small => new Size(16, 16),
            SymbolSize.Medium => new Size(20, 20),
            SymbolSize.Large => new Size(32, 32),
            _ => new Size((int)size, (int)size),
        };
    }

    public virtual Stream? GetImageRessourceStream(TSymbols svgImage)
    {
        var asm = GetImageResourceAssembly();
        var path = GetImageRessourcePath(svgImage);
        return asm.GetManifestResourceStream(path);
    }
}