using Unity.VisualScripting;
using UnityEngine;

namespace MazeGen
{
    /// <summary>
    /// A ScriptableObject that defines a monster template (stats, appearance, loot).
    /// Monsters are instantiated from this template when they spawn in a room.
    /// </summary>
    public class Monster : ScriptableObject
    {
        [SerializeField] private string _monsterName = "Goblin";
        [SerializeField] private Color _color = Color.green;
        [SerializeField] private CharacterStats _baseStats = new CharacterStats();

        // Optional starting equipment
        [SerializeField] private Weapon _startingWeapon;
        [SerializeField] private Armor _startingArmor;

        // Loot: what items might this monster drop when defeated (rough probabilities)
        [SerializeField] private Item[] _possibleLoot;

        public string MonsterName => _monsterName;
        public Color Color => _color;
        public CharacterStats BaseStats => _baseStats;
        public Weapon StartingWeapon => _startingWeapon;
        public Armor StartingArmor => _startingArmor;
        public Item[] PossibleLoot => _possibleLoot;

        /// <summary>Create a fresh character sheet for a monster instance (with a copy of stats).</summary>
        public CharacterSheet CreateCharacterSheet()
        {
            // Pass null GameObject (Monster is a ScriptableObject, not a MonoBehaviour)
            // CharacterSheet will use a default name instead
            var sheet = new CharacterSheet(null, _baseStats.Clone());

            // Override with the monster template's name
            sheet.Name = _monsterName;

            if (_startingWeapon != null)
                sheet.EquipWeapon(_startingWeapon);
            if (_startingArmor != null)
                sheet.EquipArmor(_startingArmor);

            return sheet;
        }

        /// <summary>
        /// Get a random loot item from this monster's loot table (null if no loot).
        /// You can extend this with probability tiers or rarity weighting later.
        /// </summary>
        public Item GetRandomLoot()
        {
            if (_possibleLoot == null || _possibleLoot.Length == 0)
                return null;

            return _possibleLoot[Random.Range(0, _possibleLoot.Length)];
        }

#if UNITY_EDITOR
        private void OnValidate()
        {
            if (_baseStats == null)
                _baseStats = new CharacterStats();
        }
#endif
    }
}