using System;
using System.Collections.Generic;
using System.Linq;
using Continentis.MainGame;
using Continentis.MainGame.Card;
using SLSFramework.UModAssistance;
using UnityEngine;

namespace Continentis.Mods.Basic.Cards
{
    public class CardLogicComponent_GenerateCards : CardLogicComponentBase
    {
        private Func<CardData, bool> cardFilter;

        public override void Initialize(CardLogicBase card)
        {
            base.Initialize(card);
            cardFilter = cardData => !cardData.HasTag("Unobtainable");
        }

        /// <summary>
        /// 设置卡牌过滤器
        /// </summary>
        public void SetFilter(Func<CardData, bool> filter)
        {
            List<Func<CardData, bool>> originalFilters = new List<Func<CardData, bool>>();
            originalFilters.Add(cardData => !cardData.HasTag("Unobtainable"));
            if (filter != null) originalFilters.Add(filter);
            this.cardFilter = cardData => originalFilters.All(f => f(cardData));
        }
        
        /// <summary>
        /// 获取衍生卡牌数据
        /// </summary>
        public CardData GetDerivativeCardData(int index)
        {
            return card.cardData.GetDerivativeCardData(index);
        }

        /// <summary>
        /// 从指定的cardDataID中，根据needFilter决定是否进行过滤，获取符合条件的卡牌数据列表
        /// </summary>
        /// <param name="needFilter">是否需要过滤</param>
        /// <param name="cardDataIDs">指定的卡牌数据ID列表</param>
        /// <returns>符合条件的卡牌数据列表</returns>
        public List<CardData> GetDesignatedGlobalCardData(bool needFilter, params string[] cardDataIDs)
        {
            List<CardData> result = new List<CardData>();

            foreach (string dataID in cardDataIDs)
            {
                if (ModManager.TryGetData(dataID, out CardData cardData))
                {
                    if (needFilter && cardFilter(cardData))
                    {
                        result.Add(cardData);
                    }
                    else if (!needFilter)
                    {
                        result.Add(cardData);
                    }
                }
            }
            
            return result;
        }

        /// <summary>
        /// 在游戏全部的卡牌中，获取经过全局过滤器过滤后的所有卡牌数据列表
        /// </summary>
        public List<CardData> GetFilteredGlobalCardData()
        {
            return ModManager.Database[typeof(CardData)].Values.Cast<CardData>().Where(cardFilter).ToList();
        }
        
        /// <summary>
        /// 在游戏全部的卡牌中，获取经过指定过滤器过滤后的所有卡牌数据列表
        /// </summary>
        public List<CardData> GetFilteredGlobalCardData(Func<CardData, bool> filter)
        {
            return ModManager.Database[typeof(CardData)].Values.Cast<CardData>().Where(filter).ToList();
        }
    }
}