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

[CreateAssetMenu(fileName = "PickupItemData", menuName = "AppleHills/Items + Puzzles/Pickup Item Data")]
public class PickupItemData : ScriptableObject
{
    [SerializeField] private string _itemId;
    
    public string itemName;
    [TextArea]
    public string description;
    public Sprite mapSprite;
    
    // Read-only property for itemId
    public string itemId => _itemId;

    // Auto-generate ID on creation or validation
    void OnValidate()
    {
        // Only generate if empty
        if (string.IsNullOrEmpty(_itemId))
        {
            _itemId = GenerateItemId();
            
#if UNITY_EDITOR
            // Mark the asset as dirty to ensure the ID is saved
            UnityEditor.EditorUtility.SetDirty(this);
#endif
        }
    }
    
    private string GenerateItemId()
    {
        // Use asset name as the basis for the ID to keep it somewhat readable
        string baseName = name.Replace(" ", "").ToLowerInvariant();
        
        // Add a unique suffix based on a GUID
        string uniqueSuffix = Guid.NewGuid().ToString().Substring(0, 8);
        
        return $"{baseName}_{uniqueSuffix}";
    }

    // Method to manually regenerate ID if needed (for editor scripts)
    public void RegenerateId()
    {
        _itemId = GenerateItemId();
    }

    public static bool AreEquivalent(PickupItemData a, PickupItemData b)
    {
        // First compare by itemId if available
        if (!string.IsNullOrEmpty(a.itemId) && !string.IsNullOrEmpty(b.itemId))
            return a.itemId == b.itemId;
            
        // Compare by itemName as a fallback
        return a.itemName == b.itemName;
    }

    public static bool ListContainsEquivalent(List<PickupItemData> list, PickupItemData item)
    {
        foreach (var entry in list)
        {
            if (AreEquivalent(entry, item))
                return true;
        }
        return false;
    }
}