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

public class CursorBehaviour : MonoBehaviour
{
    private string XaxisName;
    private string AbuttonName;
    public int playerNum;
    public Transform[] positions; //player sprite array
    public int stepPhase; //Wich character is selected?
    private bool resetAxis; //1-time push for Input.Getxis command
    public int layerCounter; //used to switch between the curors if overlapping
    private float timer;
    public GameObject[] playableChars; //instantiatable chars
    private GameObject[] players;
    private float horizontalInput; //this float acts as a way of changing the inpt axis maunally as u cannot do Input.SetAxis(name, value)

    void Update()
    {
        //keyboard support
        if(playerNum == 4 && Input.GetJoystickNames().Length < 4){
            //keyboard exception for player4 if controller isnt connected.
            AbuttonName = "AK";
            //Debug.Log(playerNum);
            XaxisName = "LRK";

        }
        else
        {
             //identification of controller

            XaxisName = "LR" + playerNum.ToString();
            AbuttonName = "A" + playerNum.ToString();
        }

        //layering
        this.GetComponent<SpriteRenderer>().sortingOrder = layerCounter;
        timer += Time.deltaTime;
        if(timer >= 1f)
        {
            if(layerCounter > 5)
            {
                layerCounter = 2;
            }
            else
            {
                layerCounter += 1;
            }

            timer = 0f;
        }

        //--identification & phases--




        //All x-axis-inputs gets turned into this float:

        horizontalInput = Input.GetAxis(XaxisName);



        //selection
        if (Input.GetButtonDown(AbuttonName) && positions[stepPhase].gameObject.GetComponent<CharacterSelection>().locked == false)
        {
            GameObject currentChar = Instantiate(playableChars[stepPhase]);
            currentChar.GetComponent<CharControls>().ownedByCtrlNum = playerNum;
            this.gameObject.SetActive(false);
        }
        //winner keeps char
        players = GameObject.FindGameObjectsWithTag("Player");
        for(int i = 0; i < players.Length; i++){
            if(players[i].GetComponent<CharControls>().ownedByCtrlNum == playerNum){
            this.gameObject.SetActive(false);
            }
        }


        //move right
        if(horizontalInput == 1 && resetAxis == true)
        {
            if(stepPhase == 6)
            {
                stepPhase = 0;
            }
            else
            {
                stepPhase += 1;
            }
            resetAxis = false;
        }
        //move left
        else if(horizontalInput == -1 && resetAxis == true)
        {
            if (stepPhase == 0)
            {
                stepPhase = 6;
            }
            else
            {
                stepPhase -= 1;
            }
            resetAxis = false;
        }
        //part of the 1-time push for Input.Getxis command
        if (horizontalInput < 1 && horizontalInput > -1)
        {
            resetAxis = true;
        }

        //moving the cursor
        this.transform.position = positions[stepPhase].position;

    }
}