using UnityEngine;

namespace MazeGen
{
    /// <summary>
    /// Base class for all equippable/inventory items. Weapons, armor, and consumables
    /// should derive from this. Stored as ScriptableObjects for easy editor configuration.
    /// </summary>
    public abstract class Item : ScriptableObject
    {
        [SerializeField] private string _itemName = "New Item";
        [SerializeField] private string _description = "";
        [SerializeField] private Sprite _icon;
        [SerializeField] private int _rarity = 1; // 1=common, 2=uncommon, 3=rare, 4=epic, 5=legendary

        public string ItemName => _itemName;
        public string Description => _description;
        public Sprite Icon => _icon;
        public int Rarity => _rarity;

        /// <summary>
        /// Called when this item is equipped. Override in subclasses to apply bonuses.
        /// Return false if the item cannot be equipped right now (e.g., armor too heavy for current level).
        /// </summary>
        public virtual bool OnEquip(CharacterSheet character)
        {
            return true;
        }

        /// <summary>Called when this item is unequipped. Override to remove bonuses.</summary>
        public virtual void OnUnequip(CharacterSheet character)
        {
        }

        /// <summary>Short label for UI - override if needed.</summary>
        public virtual string GetLabel() => _itemName;

        public virtual void Use(CharacterSheet character)
        {
            Debug.LogWarning($"Item {ItemName} has no Use() implementation.");
        }
    }
}