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

public class GameManager : MonoBehaviour
{
    [HideInInspector]
    public static GameManager instance;


    [Header("Parameters")]
    [Range(0, 100)]
    public float maxConnectionLength;


    public List<Node> nodes = new List<Node>();
   
    [SerializeField]
    public List<Connection> connections = new List<Connection>();

    [Serializable]
    public struct Connection
    { 
        public Node nodeA, nodeB;
        public bool allowed;
    }


    // Start is called once before the first execution of Update after the MonoBehaviour is created
    void Start()
    {
        foreach (Node nodeA in nodes)
        {
            foreach (Node nodeB in nodes)
            {
                bool conExists = false;
                if (nodeA == nodeB || Vector3.Distance(nodeA.transform.position, nodeB.transform.position) > maxConnectionLength)
                    break;

                foreach (Connection con in connections)
                {
                    if ((con.nodeA == nodeA && con.nodeB == nodeB) || (con.nodeA == nodeB && con.nodeB == nodeA))
                    {
                        conExists = true;
                        break;
                    }
                }
                if(!conExists)
                    connections.Add(new Connection { nodeA = nodeA, nodeB = nodeB});
            }
        }
    }

    // Update is called once per frame
    void Update()
    {
        foreach (Connection con in connections)
        {
            Debug.DrawLine(con.nodeA.transform.position, con.nodeB.transform.position, con.allowed ? Color.green : Color.red);
        }
    }
}