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

public class MinionBar : MonoBehaviour {

    public GameObject[] minionTypes;
    public GameObject minionIconPrefab;

    MinionIcon[] minionIcons;
    int currentIndex;

    public void Start() {
        minionIcons = new MinionIcon[minionTypes.Length];
        for (int i=0; i<minionTypes.Length; ++i) {
            GameObject newIconObj = Instantiate(minionIconPrefab, transform);
            minionIcons[i] = newIconObj.GetComponent<MinionIcon>();
            // minionIcons[i].icon = minionTypes.icon; // TODO
            minionIcons[i].indexInMinionList = i;
            minionIcons[i].UnSelect();
        }
        minionIcons[currentIndex].Select();
    }

    public void ChangeSelectedIcon(InputAction.CallbackContext context) {
        
        float floatDelta = context.ReadValue<float>();
        int delta = 0;
        if(floatDelta > 0.5f) {
            delta = 1;
        } else if(floatDelta < -0.5f) {
            delta = -1;
        }

        minionIcons[currentIndex].UnSelect();

        currentIndex += delta;
        if(currentIndex >= minionIcons.Length) {
            currentIndex = 0;
        } else if(currentIndex < 0) {
            currentIndex = minionIcons.Length - 1;
        }

        minionIcons[currentIndex].Select();
        // print("new selected minion type : " + currentIndex.ToString());
    }

    public GameObject GetCurrentMinion() {
        return minionTypes[currentIndex];
    }

}