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

public class Drill : MonoBehaviour
{
    // [SerializeField] allows us to view and edit a
    // private variable when testing in the Unity Editor
    [Header("Debugging Variables")]
    [SerializeField]
    private int PowerUpgrades = 0;
    [SerializeField]
    private int CoolingUpgrades = 0;
    [SerializeField]
    private float _heat = 0;
    [SerializeField]
    private float _speed = 0;
    [SerializeField]
    private float _depth = 0;

    // selection outline
    private Outline _outline;
    // drill head child object
    public GameObject _drillBit;

    void Start()
    {
        // get the first child of the drill object
        _drillBit = this.transform.GetChild(0).gameObject;

        // get the outline component of this object
        _outline = this.GetComponent<Outline>();
        _outline.enabled = false; // start unselected
    }

    // Update is called once per frame
    void Update()
    {
      //TODO: Make the drill bit rotate based on the _speed variable instead of a constant number
       _drillBit.transform.Rotate(0, 500 * Time.deltaTime, 0);
    }

    public float GetCurrentSpeed() {
        return _speed;
    }

    public int GetCoolingUpgrades() {
        return CoolingUpgrades;
    }

    //TODO: Add missing accessor methods

    public void AddPowerUpgrade() {
        PowerUpgrades++;
    }

    //TODO: Add missing modifier method for CoolingUpgrades.


    /// <summary>
    /// Called by GameController when this drill becomes selected/unselected.
    /// </summary>
    public void SetSelected(bool selected) {
        if(_outline != null) {
            _outline.enabled = selected;
        }
    }
}