using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class TextController : MonoBehaviour {

    public Text text;
    Vertex curr_state;
    Map map;
    World world;

    // Use this for initialization
    void Start () {
        world = new World();
        map = world.CurrentMap();
        curr_state = map.StartPoint();
        text.text = Message(curr_state);
    }
	
	// Update is called once per frame
	void Update () {

        if (world.HasEnded() && map.IsEnd(curr_state))
        {
            text.text = "THE END";
        } else if (map.IsEnd(curr_state))
        {
            map = world.NextMap();
            curr_state = map.StartPoint();
            text.text = Message(curr_state);
        }
        else
        {
            foreach (Edge element in curr_state.Neighbors())
                if (Input.inputString.ToUpper() == element.action.ToString())
                {
                    curr_state = element.RelatedVertex();
                    text.text = Message(curr_state);
                }
        }

        
    }

    string Message (Vertex state)
    {
        string msg = state.msg + "\n\n";

        if (state.Neighbors().Count > 0)
            msg += "Press ";

        foreach (Edge element in state.Neighbors())
            msg += "<b>" + element.action + "</b> for <i>" + element.action_name + "</i>. ";

        return msg;
    }

}