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

public class CheckpointOnTrigger : NetworkBehaviour
{
    public Material noColor;
    public Material yesColor;
    int idx;
    int checkpointCount;
    bool isColliding;
    Renderer rend;

    void Start()
    {
        rend = GetComponent<Renderer>();
        rend.material = noColor;
        isColliding = false;
        idx = transform.GetSiblingIndex();
        checkpointCount = this.transform.parent.childCount;
    }

    void OnTriggerEnter(Collider collider)
    {
        if (collider.gameObject.GetComponentInParent<NetworkBehaviour>().isLocalPlayer)
        {
            if (isColliding) { return; }
            isColliding = true;
            rend.material = yesColor;
            if (this.transform.parent.GetComponent<CheckpointController>().checkpointIdx == this.transform.parent.GetComponent<CheckpointController>().lastCheckpointPassed &&
                (this.transform.parent.GetComponent<CheckpointController>().checkpointIdx == idx - 1 ||
                this.transform.parent.GetComponent<CheckpointController>().checkpointIdx == checkpointCount - 1 && idx == 0))
            {
                this.transform.parent.GetComponent<CheckpointController>().checkpointIdx = idx;

                if (idx == 0)
                {
                    this.transform.parent.GetComponent<CheckpointController>().lapIdx++;
                }
            }
            this.transform.parent.GetComponent<CheckpointController>().lastCheckpointPassed = idx;
        }
    }

    void OnTriggerExit(Collider collider)
    {
        if (collider.gameObject.GetComponentInParent<NetworkBehaviour>().isLocalPlayer)
        {
            rend.material = noColor;
            isColliding = false;
        }
    }
}