namespace Pilz.Plugins.Advanced;

public abstract class PluginFunction : PluginFeature
{
    protected PluginFunction(string functionType, string functionIdentifier) : base(functionType, functionIdentifier)
    {
    }

    protected PluginFunction(string functionType, string functionIdentifier, string? functionName) : base(functionType, functionIdentifier, functionName)
    {
    }

    public virtual object? Execute()
    {
        return Execute((PluginFunctionParameter?)null);
    }

    public virtual T? Execute<T>(params object?[]? @params)
    {
        return Execute<T>(new PluginFunctionSimpleParamter(@params));
    }

    public virtual object? Execute(params object?[]? @params)
    {
        return Execute(new PluginFunctionSimpleParamter(@params));
    }

    public virtual T? Execute<T>(PluginFunctionSimpleParamter? @params)
    {
        if (Execute(@params) is T result)
            return result;
        return default;
    }

    public virtual object? Execute(PluginFunctionParameter? @params)
    {
        object? result = default;

        if (!OnPreExecute(@params, ref result))
            result = ExecuteFunction(@params);

        OnPostExecute(@params, ref result);

        return result;
    }

    protected abstract object? ExecuteFunction(PluginFunctionParameter? @params);
}