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


public class SwipeManagementScript : MonoBehaviour
{
    public TMP_Text header;
    public TMP_Text textSteps;
    public TMP_Text textNumber;

    public TMP_Text header2;
    public TMP_Text textSteps2;
    public TMP_Text textNumber2;

    public List<Text> lengths;
    public int numberImage;
    public int lengthTexts;

    public GameObject arrowLeft;
    public GameObject arrowRight;

    public GameObject arrow;
    public GameObject arrowGravure;
    public GameObject arrowXY;
    public GameObject arrowHB;
    public GameObject arrowPause;

    public GameObject warning;

    public Animator m_Animator;

    public List<int> images; 

    private Vector2 startTouchPosition;
    private Vector2 endTouchPosition;

    private GameObject image;
    private Image imageUI;
 
    // Start is called before the first frame update
    void Start()
    {
        header.text = "Allumer la Speedy 100";
        header2.text = "Allumer la Speedy 100";
        textSteps.text = lengths[0].text;
        textSteps2.text = lengths[0].text;
        textNumber.text = "Step 1/" + (lengthTexts+1);
        textNumber2.text = "Step 1/" + (lengthTexts+1);
        arrowLeft.gameObject.SetActive(false);
    }

    // Update is called once per frame
    void Update()
    {
        if(Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Began){
            startTouchPosition = Input.GetTouch(0).position;
        }
        if(Input.touchCount > 0 && Input.GetTouch(0).phase == TouchPhase.Ended){
            endTouchPosition = Input.GetTouch(0).position;
            if(endTouchPosition.x < startTouchPosition.x){
                NextText();
            }else{
                PreviousText();
            }
            if(endTouchPosition.y + 80 < startTouchPosition.y){
                SwipeDown();
            } 
            if(endTouchPosition.y - 80 > startTouchPosition.y){
                SwipeUp();
            }
        }
            if(numberImage == 1){
                header.text = "Pour rappel : ";
                header2.text = "Pour rappel : ";
                arrow.SetActive(true);
                warning.SetActive(false);
            }
            if(numberImage == 2)
            {
                header.text = "Initialisation : Sécurité";
                header2.text = "Initialisation : Sécurité";
                arrow.SetActive(false);
                warning.SetActive(true);
            }
            if(numberImage == 3)
            {
                header.text = "Initialisation : Positionnement automatique";
                header2.text = "Initialisation : Positionnement automatique";
                warning.SetActive(false);
            }
            if(numberImage == 4)
            {
                header.text = "Placer la pièce à graver";
                header2.text = "Placer la pièce à graver";
                arrowGravure.SetActive(true);
                arrowXY.SetActive(false);
            }
            if(numberImage == 5)
            {
                header.text = "Mise au point : Tête de traitement";
                header2.text = "Mise au point : Tête de traitement";
                arrowGravure.SetActive(false);
                arrowXY.SetActive(true);
            }
            if(numberImage == 7)
            {
                header.text = "Mise au point : Outil focal";
                header2.text = "Mise au point : Outil focal";
                arrowXY.SetActive(false);
                arrowHB.SetActive(false);
            }
            if(numberImage == 8){
                header.text = "Mise au point : Table de gravure";
                header2.text = "Mise au point : Table de gravure";
                arrowHB.SetActive(true);
            }
            if(numberImage == 10){
                header.text = "Mise au point : Position du laser";
                header2.text = "Mise au point : Position du laser";
                arrowHB.SetActive(false);
                arrowXY.SetActive(true);
            }
            if(numberImage == 11){
                header.text = "Procédure sur ordinateur";
                header2.text = "Procédure sur ordinateur";
                arrowXY.SetActive(false);
                arrowPause.SetActive(false);
            }
            if(numberImage == 12){
                header.text = "Suivre la découpe";
                header2.text = "Suivre la découpe";
                arrowPause.SetActive(true);
            }
    }

    private void NextText(){
        if(numberImage < lengthTexts)
        {
            numberImage ++;
            if(numberImage +1 == lengthTexts){
                arrowRight.gameObject.SetActive(false);
            }else{
                arrowRight.gameObject.SetActive(true);
            }
            if(numberImage != 0){
                arrowLeft.gameObject.SetActive(true);
             }
            if(images.Contains(numberImage - 1)){
                DisableImageStep();
            }
            if(images.Contains(numberImage)){
                SetImageStep();
            }else{
                textSteps.text = lengths[numberImage].text;
                textSteps2.text = lengths[numberImage].text;
                textNumber.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
                textNumber2.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
            }
        }
    }

     private void PreviousText(){
        if(numberImage > 0) {
            numberImage --;
            if(numberImage == 0){
                arrowLeft.gameObject.SetActive(false);
            }else{
                arrowLeft.gameObject.SetActive(true);
            }
             if(numberImage != lengthTexts){
                arrowRight.gameObject.SetActive(true);
            }
            if(images.Contains(numberImage + 1)){
                DisableImageStep();
            }
            if(images.Contains(numberImage)){
                SetImageStep();
            }else{
                textSteps.text = lengths[numberImage].text;
                textSteps2.text = lengths[numberImage].text;
                textNumber.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
                textNumber2.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
            }
        }
    }

    private void SwipeDown(){
        m_Animator.ResetTrigger("SwipeUp");
        m_Animator.SetTrigger("SwipeDown");
    }
      private void SwipeUp(){
        m_Animator.ResetTrigger("SwipeDown");
        m_Animator.SetTrigger("SwipeUp");
    }

    private void SetImageStep(){
        textSteps.text = "";
        textSteps2.text = "";
        textNumber.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
        textNumber2.text = "Step" + (numberImage+1) + "/" + (lengthTexts+1);
        image = GameObject.Find("Image"+ numberImage);
        imageUI = image.GetComponent<Image>();
        imageUI.enabled = true;
    }

    private void DisableImageStep(){
        imageUI.enabled = false;
    }
}