using Godot;
using System.Collections.Generic;

public abstract class ProgramNode
{
    public ProgramNode nextNode;
    public ProgramNode NegativeNode;
    public string DisplayText;
    public string lastExecutionMessage;

    public abstract NodeResult Execute(Robot robot, double delta);
    public abstract ProgramNode Duplicate();
    public abstract string Save();

    public virtual void SetNextNode(
        List<Godot.Collections.Dictionary> connections,
        Dictionary<StringName, ProgramNode> availableNodes
    )
    {
        nextNode = null;

        if (connections.Count <= 0) return;

        nextNode = GetConnectedNode(connections[0], availableNodes);
    }

    protected ProgramNode GetConnectedNode(
        Godot.Collections.Dictionary connection,
        Dictionary<StringName, ProgramNode> availableNodes
    )
    {
        StringName nodeName = connection["to_node"].AsStringName();
        if (!availableNodes.ContainsKey(nodeName)) return null;

        return availableNodes[nodeName];
    }
}