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

namespace TKS.OutGame
{
    /// <summary>승급 장비 12 종 × 5 등급(gear_items.csv). 등급 순서(order) = 합성 사슬 깊이(craft_from 없는 흰 = 1).</summary>
    public class GearDb : ScriptableObject
    {
        [Serializable]
        public class Item
        {
            public string id;
            public string nameKo;
            public string kind;
            [Tooltip("white|green|blue|purple|orange")]
            public string grade;
            [Tooltip("등급 순서 1~ (합성 사슬 깊이)")]
            public int order;
            public int sellGold;
            public int dropFromChapter;
            public string craftFrom;
            public int craftCount;
            public int craftBlueprint;
        }

        public List<Item> items = new List<Item>();

        Dictionary<string, Item> index;

        public Item Get(string id)
        {
            if (string.IsNullOrEmpty(id)) return null;
            if (index == null || index.Count != items.Count)
            {
                index = new Dictionary<string, Item>();
                foreach (var i in items) index[i.id] = i;
            }
            Item res;
            return index.TryGetValue(id, out res) ? res : null;
        }

        public void InvalidateIndex()
        {
            index = null;
        }

        /// <summary>등급 id → 순서(없으면 0).</summary>
        public int OrderOf(string grade)
        {
            foreach (var i in items)
                if (i.grade == grade) return i.order;
            return 0;
        }
    }
}