using System;
using Unity.VisualScripting;
using UnityEngine;
using System.Collections.Generic;
using TMPro;

public abstract class Lock : MonoBehaviour
{
    
    // Room that must be explored before lock can be unlocked.
    [SerializeField] protected Room blockingRoom;
    private TextMeshProUGUI _lockText;
    public event Action Unlocked;

    public abstract override bool Equals(object other);
    
    public override int GetHashCode() => GetHashCode();

    public void OnEnable()
    {
        if (blockingRoom != null)
        {
            blockingRoom.ThisRoomExploredByTorch += HandleBlockingRoomExplored;
            blockingRoom.RoomExploredByDice += HandleBlockingRoomExplored;
        }
    }

    public void OnDisable()
    {
        if (blockingRoom != null)
        {
            blockingRoom.ThisRoomExploredByTorch -= HandleBlockingRoomExplored;
            blockingRoom.RoomExploredByDice -= HandleBlockingRoomExplored;
        }
    }

    public virtual bool CheckIfKeyFits(DicePair dicePair)
    {
        if (blockingRoom == null || blockingRoom.GetRoomExplored())
        {
            return true;
        }

        return false;
    }
    
    public virtual void Unlock(DicePair dicePair)
    {
        if (CheckIfKeyFits(dicePair))
        {
            OnUnlock();
        }
    }

    public void SetBlockingRoom(Room room)
    {
        blockingRoom = room;
    }

    public virtual void AssignGUI(TextMeshProUGUI text)
    {
        _lockText = text;
        if (blockingRoom != null)
        {
            _lockText.alpha = ColorHelper.TEXT_FADED_OPACITY;
        }
    }
    
    private void HandleBlockingRoomExplored(Room room)
    {
        SetBlockingRoomExploredGUI();
    }

    protected virtual void OnUnlock()
    {
        Unlocked?.Invoke();
    }

    private void SetBlockingRoomExploredGUI()
    {
        if (_lockText != null)
        {
            _lockText.alpha = ColorHelper.TEXT_FULL_OPACITY;
        }
    }
}