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

public class UIMenuControllerNavigationPanel : MonoBehaviour
{
    public Sprite selectedItemHighlightImage;
    public List<RectTransform> selectedItem;
    public int menuItemsMax;
    public bool updateMaxItems = true;

    [Header("Sliders")]
    public List<Slider> slider;
    public List<float> sliderSpeed;

    [Header("ON & OFF Buttons")]
    public List<Button> LeftButtons_OR_Else_ONButtons;
    public List<Button> RightButtons_OR_Else_OFFButtons;

    [Header("Vertical Buttons")]
    [Tooltip("It's not necessary to add this if you don't have vertical buttons navigation")]
    public List<Button> buttonsVertical;

    [Header("Extensions")]
    [SerializeField] private UIMenuControllerNavigationScrollbarExtension[] _UIMenuControllerNavigationScrollbarExtension;

    public bool[] lockItems;
    [HideInInspector] public bool[] lockItemsStartValues;

    public int[] itemLockStart;
    public int[] itemLockEnd;

    public int itemlockStartFirst;
    public int itemlockEndLast;

    public bool updateLockedItem;

    private void Awake()
    {
        if (LeftButtons_OR_Else_ONButtons != null && RightButtons_OR_Else_OFFButtons != null)
        {
            for (int i = 0; i < LeftButtons_OR_Else_ONButtons.Count; i++)
            {
                if (LeftButtons_OR_Else_ONButtons[i] != null)
                {
                    LeftButtons_OR_Else_ONButtons[i] = LeftButtons_OR_Else_ONButtons[i].gameObject.GetComponent<Button>();
                }
                if (RightButtons_OR_Else_OFFButtons[i] != null)
                {
                    RightButtons_OR_Else_OFFButtons[i] = RightButtons_OR_Else_OFFButtons[i].gameObject.GetComponent<Button>();
                }
            }
        }

        //lockItems = new bool[LeftButtons_OR_Else_ONButtons.Count];
        itemLockStart = new int[LeftButtons_OR_Else_ONButtons.Count];
        itemLockEnd = new int[LeftButtons_OR_Else_ONButtons.Count];

        lockItemsStartValues = new bool[lockItems.Length];

        for (int i = 0; i < lockItems.Length; i++)
        {
            lockItemsStartValues[i] = lockItems[i];
        }

        if (selectedItem.Any())
        {
            if (selectedItemHighlightImage != null)
            {
                for (int i = 0; i < selectedItem.Count; i++)
                {
                    selectedItem[i].GetComponent<Image>().sprite = selectedItemHighlightImage;
                }
            }
        }

        if (buttonsVertical.Any()) 
        {
            for (int i = 0; i < buttonsVertical.Count; i++)
            {
                buttonsVertical[i] = buttonsVertical[i].gameObject.GetComponent<Button>();
            }       
        }
    }

    private void Start()
    {


    }

    public void ResetToStartValues()
    {
        //lockItems = lockItemsStartValues;
        for (int i = 0; i < lockItemsStartValues.Length; i++)
        {
            lockItems[i] = lockItemsStartValues[i];
        }
        UIMenuControllerManager.Getinstance().menuItemIndexVertical = 0;
        UIMenuControllerManager.Getinstance().menuItemIndexHorizontal = 0;
    }

    private void OnDisable()
    {
        print("Bitch I'm disabled");
        updateMaxItems = true;
        UIMenuControllerManager.Getinstance().menuItemIndexVertical = 0;
        UIMenuControllerManager.Getinstance().menuItemIndexHorizontal = 0;
        if (selectedItem.Any())
        {
            selectedItem[UIMenuControllerManager.Getinstance().menuItemIndexVertical].gameObject.SetActive(false);
        }
    }

    private void UpdateScrollBarExtension()
    {
        if (_UIMenuControllerNavigationScrollbarExtension.Length != 0) 
        {
            if (_UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical] != null)
            {
                _UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical].UpdateButtonsNavigation();
                _UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical].UpdateScrollBarExtension();
                if (_UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical].updateMaxItems)
                {
                    UIMenuControllerManager.Getinstance().menuItemIndexHorizontalMax = _UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical].buttons.Count;
                    _UIMenuControllerNavigationScrollbarExtension[UIMenuControllerManager.Getinstance().menuItemIndexVertical].updateMaxItems = false;
                    print("Updated horizontal Max index");
                }
            }
        }
    }

    // Update is called once per frame
    void Update()
    {
        if (InputControlManager.Getinstance().IsUsingJoystick)
        {
            if (updateMaxItems)
            {
                UIMenuControllerManager.Getinstance().menuItemIndexVerticalMax = menuItemsMax;
                updateMaxItems = false;
            }
            UIMenuControllerManager.Getinstance().DpadNavigateVertical();

            #region Old
            //if (UIMenuControllerManager.Getinstance().menuItemIndexVertical == UIMenuControllerManager.Getinstance().menuItemIndexVerticalMax)
            //{
            //    if (!lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical - 1]) //If 
            //    {
            //        UIMenuControllerManager.Getinstance().SelectedMenuItemUpdate(ref selectedItem, selectedItemHighlight);
            //    }
            //}
            //else if (!lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical])
            #endregion

            #region Highlights
            if (selectedItem.Any())
            {
                if (!lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical])
                {
                    //UIMenuControllerManager.Getinstance().SelectedMenuItemUpdate_TeleportHighlight(ref selectedItem, selectedItemHighlight);
                    UIMenuControllerManager.Getinstance().SelectedMenuItemUpdate(ref selectedItem);
                }
            }
            #endregion

            #region Vertical Buttons Navigation
            if (buttonsVertical.Any())
            {
                UIMenuControllerManager.Getinstance().UpdateCurrentSelectedVerticalButton(buttonsVertical);
                print("what the fuck");
            }
            #endregion
            UIMenuControllerManager.Getinstance().DpadHorizontalSliderValuesUpdate(slider, sliderSpeed);
            UIMenuControllerManager.Getinstance().DpadNavigateHorizontalButtonPress(LeftButtons_OR_Else_ONButtons, RightButtons_OR_Else_OFFButtons);
            UpdateSelectedItem();
            UpdateScrollBarExtension();

        }
        else
        {
            if (selectedItem.Any())
            {
                selectedItem[UIMenuControllerManager.Getinstance().menuItemIndexVertical].gameObject.SetActive(false);
            }
        }

    }

    private void UpdateSelectedItem()
    {
        if (UIMenuControllerManager.Getinstance().downDpadVericalButton)
        {
            if (lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical])
            {
                UIMenuControllerManager.Getinstance().menuItemIndexVertical++;
                if (UIMenuControllerManager.Getinstance().menuItemIndexVertical == UIMenuControllerManager.Getinstance().menuItemIndexVerticalMax)
                {
                    UIMenuControllerManager.Getinstance().menuItemIndexVertical = 0;
                }
            }
        }
        if (UIMenuControllerManager.Getinstance().upDpadVerticalButton)
        {
            if (lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical])
            {
                UIMenuControllerManager.Getinstance().menuItemIndexVertical--;
            }
        }

        //if (updateLockedItem)
        //{
        if (UIMenuControllerManager.Getinstance().menuItemIndexVertical +1 < UIMenuControllerManager.Getinstance().menuItemIndexVerticalMax)
        {
            if (lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical + 1])
            {
                updateLockedItem = false;
            }
            else
            {
                updateLockedItem = true;
            }
        }
        //}
    }

    public void lockItemStart(int itemLockStart)
    {
        if (updateLockedItem)
        {
            //lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical] = true;
            this.itemLockStart[itemLockStart] = itemLockStart;
            itemlockStartFirst = itemLockStart;
        }
    }
    public void lockItemEnd(int itemLockEnd)
    {
        if (updateLockedItem)
        {
            //lockItems[UIMenuControllerManager.Getinstance().menuItemIndexVertical] = true;
            this.itemLockEnd[itemLockEnd] = itemLockEnd;
            itemlockEndLast = itemLockEnd;
            lockTheItems();
        }
    }

    public void UnlockItemStart(int itemLockStart) 
    {   
        if (updateLockedItem == false)
        {
            itemlockStartFirst = itemLockStart;
            print("Unlock item start");
        }
    }

    public void UnlockItemEnd(int itemLockEnd) 
    {
        if (updateLockedItem == false)
        {
            itemlockEndLast = itemLockEnd;
            UnlockItems();
        }
    }

    private void UnlockItems() 
    {
        for (int i = itemlockStartFirst - 1; i <= itemlockEndLast; i++)
        {
            lockItems[i] = false;
            print("Unlock the items");
        }
    }

    private void lockTheItems() 
    {
        for (int i = itemlockStartFirst; i <= itemlockEndLast; i++)
        {
            lockItems[i] = true;
        }
    }
}