using System.Collections.Generic;
using Cielonos.MainGame.Characters;
using Cielonos.MainGame.Inventory;
using Cielonos.MainGame.Map;
using Sirenix.OdinInspector;
using SLSUtilities.General;
using UnityEngine;

namespace Cielonos.MainGame
{
    /// <summary>
    /// Run 系统的核心配置数据集合。集中管理地图参数、Zone 池、初始装备和货币范围配置。
    /// 在 Resources 根目录下以 "MainGameConfig" 命名放置，供全局访问。
    /// </summary>
    [CreateAssetMenu(fileName = "MainGameConfig", menuName = "Cielonos/MainGameConfig")]
    public class MainGameConfig : SerializedScriptableObject
    {
        // ----------------------------------------------------------------
        // 地图配置
        // ----------------------------------------------------------------

        [TitleGroup("地图配置")]
        [Tooltip("地图生成的默认参数配置")]
        public MapGenerationConfig defaultMapConfig;
        
        [TitleGroup("地图配置")]
        [Tooltip("特定地图的生成参数配置，键为地图 ID。")]
        public Dictionary<string, MapGenerationConfig> mapConfigs = new Dictionary<string, MapGenerationConfig>();
        

        // ----------------------------------------------------------------
        // 初始装备
        // ----------------------------------------------------------------

        [TitleGroup("初始装备")]
        [Tooltip("每局开始时玩家携带的初始武器预制体列表")]
        public List<GameObject> startingWeapons = new List<GameObject>();

        // ----------------------------------------------------------------
        // 货币
        // ----------------------------------------------------------------

        [TitleGroup("货币 - 击杀奖励")]
        public Vector2Int normalEnemyCurrencyRange = new Vector2Int(5, 15);

        [TitleGroup("货币 - 击杀奖励")]
        public Vector2Int eliteEnemyCurrencyRange = new Vector2Int(20, 40);

        [TitleGroup("货币 - 击杀奖励")]
        public Vector2Int bossCurrencyRange = new Vector2Int(80, 120);

        [TitleGroup("货币 - 装备价格")] 
        public Dictionary<ItemRarity, Vector2Int> itemPrices = new Dictionary<ItemRarity, Vector2Int>()
        {
            {ItemRarity.None, new Vector2Int(9999, 9999)},
            {ItemRarity.Tera, new Vector2Int(200, 250)},
            {ItemRarity.Moser, new Vector2Int(300, 350)},
            {ItemRarity.Graham, new Vector2Int(500, 600)},
            {ItemRarity.Epsilon, new Vector2Int(700, 800)},
            {ItemRarity.Aleph, new  Vector2Int(900, 1000)},
        };
        
        [TitleGroup("机械台 - 各稀有度概率")] 
        public Dictionary<ItemRarity, float> mechanicalTableRarityWeights = new Dictionary<ItemRarity, float>
        {
            { ItemRarity.Tera, 50f },
            { ItemRarity.Moser, 30f },
            { ItemRarity.Graham, 15f },
            { ItemRarity.Epsilon, 4f },
            { ItemRarity.Aleph, 1f },
        };

        // ----------------------------------------------------------------
        // 公共方法
        // ----------------------------------------------------------------

        /// <summary>
        /// 根据敌人等级随机生成单个敌人的货币掉落数量。
        /// </summary>
        /// <param name="rank">敌人等级（Node / Nexus / Core）。</param>
        /// <param name="rng">随机数实例。</param>
        /// <returns>随机货币数量。</returns>
        public int RollCurrency(EnemyRank rank, System.Random rng)
        {
            Vector2Int range = rank switch
            {
                EnemyRank.Nexus => eliteEnemyCurrencyRange,
                EnemyRank.Core  => bossCurrencyRange,
                _               => normalEnemyCurrencyRange,
            };

            return rng.Next(range.x, range.y + 1);
        }

        /// <summary>
        /// 根据物品稀有度随机生成售价。
        /// </summary>
        /// <param name="rarity">物品稀有度。</param>
        /// <param name="rng">随机数实例。</param>
        /// <returns>随机售价；若该稀有度无配置则返回 0。</returns>
        public int RollPrice(ItemRarity rarity, System.Random rng)
        {
            if (!itemPrices.TryGetValue(rarity, out Vector2Int range))
            {
                return 0;
            }

            return rng.Next(range.x, range.y + 1);
        }
    }
}