using System;
using System.Collections.Generic;
using System.Linq;
using UnityEngine;
using Wizard.Battle;

namespace Wizard;

internal static class EnemyAIUtil
{
	private class SelectableInfo
	{
		public List<BattleCardBase> Cards;

		public int Count;

		public SelectableInfo(List<BattleCardBase> cards, int count)
		{
			Cards = cards;
			Count = count;
		}
	}

	public const int TempDeckNo = 36;

	public const int SERIES_ID = 25;

	private const int RETRY_MAX = 100;

	private const int LOOP_MAX = 10;

	private static System.Random _rnd = new System.Random();

	public static bool IsSameVirtualCardList(List<AIVirtualCard> right, List<AIVirtualCard> left)
	{
		if (right.Count != left.Count)
		{
			return false;
		}
		for (int i = 0; i < right.Count; i++)
		{
			if (!right[i].IsSameCard(left[i]))
			{
				return false;
			}
		}
		return true;
	}

	public static List<AIMove> GetAllMoves(BattlePlayerPair pair)
	{
		List<AIMove> list = new List<AIMove>();
		List<AIPlayMove> playMoves = GetPlayMoves(pair);
		List<AIAttackMove> attackMoves = GetAttackMoves(pair);
		List<AIEvolMove> evolveMoves = GetEvolveMoves(pair);
		List<AIFusionMove> fusionMoves = GetFusionMoves(pair);
		for (int i = 0; i < playMoves.Count; i++)
		{
			list.Add(playMoves[i]);
		}
		for (int j = 0; j < attackMoves.Count; j++)
		{
			list.Add(attackMoves[j]);
		}
		for (int k = 0; k < evolveMoves.Count; k++)
		{
			list.Add(evolveMoves[k]);
		}
		for (int l = 0; l < fusionMoves.Count; l++)
		{
			list.Add(fusionMoves[l]);
		}
		list.Add(new AITurnEndMove());
		return list;
	}

	public static List<AIFusionMove> GetFusionMoves(BattlePlayerPair pair)
	{
		List<AIFusionMove> list = new List<AIFusionMove>();
		foreach (BattleCardBase handCard in pair.Self.HandCardList)
		{
			if (!handCard.IsFusionable)
			{
				continue;
			}
			List<List<BattleCardBase>> targetsList = GetTargetsList(handCard.GetSelectTypeSkill(isEvolve: false, isFusion: true), pair, handCard, isFusion: true);
			if (targetsList != null)
			{
				for (int i = 0; i < targetsList.Count; i++)
				{
					List<BattleCardBase> targets = targetsList[i];
					list.Add(new AIFusionMove(handCard, targets));
				}
			}
		}
		return list;
	}

	public static List<AIEvolMove> GetEvolveMoves(BattlePlayerPair pair)
	{
		List<AIEvolMove> list = new List<AIEvolMove>();
		foreach (BattleCardBase inPlayCard in pair.Self.InPlayCards)
		{
			if (!inPlayCard.IsUnit || !inPlayCard.CanEvolution(isSkill: false, isSelfBattlePlayer: true))
			{
				continue;
			}
			List<List<BattleCardBase>> targetsList = GetTargetsList(inPlayCard.EvolutionSkills, pair, inPlayCard);
			if (targetsList != null)
			{
				for (int i = 0; i < targetsList.Count; i++)
				{
					List<BattleCardBase> targets = targetsList[i];
					list.Add(new AIEvolMove(inPlayCard, targets));
				}
			}
			else
			{
				list.Add(new AIEvolMove(inPlayCard, null));
			}
		}
		return list;
	}

	public static List<AIAttackMove> GetAttackMoves(BattlePlayerPair pair)
	{
		List<AIAttackMove> list = new List<AIAttackMove>();
		foreach (BattleCardBase inPlayCard in pair.Self.InPlayCards)
		{
			if (!inPlayCard.Attackable)
			{
				continue;
			}
			foreach (BattleCardBase classAndInPlayCard in pair.Opponent.ClassAndInPlayCardList)
			{
				if (AttackSelectControl.CanCardAttackTarget(inPlayCard, classAndInPlayCard, pair.Opponent.InPlayCards))
				{
					list.Add(new AIAttackMove(inPlayCard, classAndInPlayCard));
				}
			}
		}
		return list;
	}

	public static List<AIPlayMove> GetPlayMoves(BattlePlayerPair pair, bool isCheckOnDraw = true)
	{
		List<AIPlayMove> list = new List<AIPlayMove>();
		foreach (BattleCardBase handCard in pair.Self.HandCardList)
		{
			if (!handCard.Movable(isCheckOnDraw))
			{
				continue;
			}
			IEnumerable<SkillBase> enumerable = null;
			if (handCard.IsMutationPlayPp(handCard.SelfBattlePlayer.Pp))
			{
				Skill_transform accelerateOrCrystallizeTransformSkill = handCard.GetAccelerateOrCrystallizeTransformSkill();
				if (accelerateOrCrystallizeTransformSkill != null)
				{
					enumerable = handCard.SelfBattlePlayer.BattleMgr.CreateTransformCardRegisterVfx(accelerateOrCrystallizeTransformSkill.SkillPrm.ownerCard, accelerateOrCrystallizeTransformSkill.TransformId, accelerateOrCrystallizeTransformSkill.SkillPrm.ownerCard.IsPlayer).GetSelectTypeSkill();
				}
			}
			if (enumerable == null)
			{
				enumerable = handCard.GetSelectTypeSkill();
			}
			List<List<BattleCardBase>> targetsList = GetTargetsList(enumerable, pair, handCard);
			if (targetsList != null)
			{
				for (int i = 0; i < targetsList.Count; i++)
				{
					List<BattleCardBase> targets = targetsList[i];
					list.Add(new AIPlayMove(handCard, targets));
				}
			}
			else
			{
				list.Add(new AIPlayMove(handCard, null));
			}
		}
		return list;
	}

	private static List<List<BattleCardBase>> GetTargetsList(IEnumerable<SkillBase> skills, BattlePlayerPair pair, BattleCardBase card, bool isFusion = false)
	{
		List<SelectableInfo> selectablesList = GetSelectablesList(skills, pair, card);
		Dictionary<int, List<SelectableInfo>> dictionary = new Dictionary<int, List<SelectableInfo>>();
		foreach (SkillBase skill in skills)
		{
			if (!skill.IsChoiceType || !card.Skills.HaveChoiceTransformSkill())
			{
				continue;
			}
			IEnumerable<BattleCardBase> skillUserSelectableTargets = ActionProcessor.GetSkillUserSelectableTargets(skill, pair);
			if (skillUserSelectableTargets == null)
			{
				continue;
			}
			foreach (BattleCardBase item in skillUserSelectableTargets)
			{
				dictionary[item.Index] = GetSelectablesList(item.GetSelectTypeSkill(), pair, item);
			}
		}
		if (selectablesList.Count > 0)
		{
			List<List<BattleCardBase>> list = new List<List<BattleCardBase>>();
			SetupTargetsList(0, new List<BattleCardBase>(), selectablesList, dictionary, list, isFusion);
			return list;
		}
		return null;
	}

	private static List<SelectableInfo> GetSelectablesList(IEnumerable<SkillBase> skills, BattlePlayerPair pair, BattleCardBase card)
	{
		List<SelectableInfo> list = new List<SelectableInfo>();
		foreach (SkillBase skill in skills)
		{
			if (skill.IsBurialRite)
			{
				List<BattleCardBase> burialRiteTarget = SkillPreprocessBurialRite.GetBurialRiteTarget(card.SelfBattlePlayer, card);
				if (burialRiteTarget != null && burialRiteTarget.Count > 0)
				{
					list.Add(new SelectableInfo(burialRiteTarget, 1));
				}
			}
			if (skill.IsUserSelectType)
			{
				IEnumerable<BattleCardBase> skillUserSelectableTargets = ActionProcessor.GetSkillUserSelectableTargets(skill, pair);
				int num = 1;
				if (skillUserSelectableTargets != null)
				{
					num = Mathf.Min(skill.GetSkillSelectCount(), skillUserSelectableTargets.Count());
					list.Add(new SelectableInfo(new List<BattleCardBase>(skillUserSelectableTargets), num));
				}
			}
			if (!skill.IsChoiceType)
			{
				continue;
			}
			IEnumerable<BattleCardBase> skillUserSelectableTargets2 = ActionProcessor.GetSkillUserSelectableTargets(skill, pair);
			if (skillUserSelectableTargets2 == null)
			{
				continue;
			}
			List<BattleCardBase> list2 = new List<BattleCardBase>();
			foreach (BattleCardBase item in skillUserSelectableTargets2)
			{
				card = card.SelfBattlePlayer.BattleMgr.CreateTransformCardRegisterVfx(card, item.CardId, card.SelfBattlePlayer.IsPlayer);
				list2.Add(card);
			}
			int count = 1;
			if (skill.ApplySelectFilter is SkillChoiceSelectFilter)
			{
				count = Math.Max(1, skill.ApplySelectFilter.CalcCount(skill.OptionValue));
			}
			list.Add(new SelectableInfo(list2, count));
		}
		return list;
	}

	private static void SetupTargetsList(int depth, List<BattleCardBase> currentList, List<SelectableInfo> selectablesList, Dictionary<int, List<SelectableInfo>> choiceSelectableList, List<List<BattleCardBase>> out_targetsList, bool isFusion = false)
	{
		if (depth == selectablesList.Count)
		{
			out_targetsList.Add(new List<BattleCardBase>(currentList));
			return;
		}
		SelectableInfo selectableInfo = selectablesList[depth];
		if (isFusion)
		{
			int num = (1 << selectableInfo.Cards.Count) - 1;
			for (int i = 1; i <= num; i++)
			{
				int num2 = i;
				int num3 = 0;
				for (int j = 0; j < selectableInfo.Cards.Count; j++)
				{
					BattleCardBase item = selectableInfo.Cards[j];
					if (((num2 >> j) & 1) > 0)
					{
						currentList.Add(item);
						num3++;
					}
				}
				SetupTargetsList(depth + 1, currentList, selectablesList, choiceSelectableList, out_targetsList, isFusion: true);
				for (int k = 0; k < num3; k++)
				{
					currentList.RemoveAt(currentList.Count - 1);
				}
			}
			return;
		}
		List<int> list = new List<int>();
		for (int l = 0; l < selectableInfo.Cards.Count; l++)
		{
			list.Add(l);
		}
		foreach (int[] item2 in AIMathematicsLibrary.EnumerateCombinations(list, selectableInfo.Count))
		{
			BattleCardBase firstCard = selectableInfo.Cards[item2[0]];
			bool flag = true;
			for (int m = 0; m < item2.Length; m++)
			{
				BattleCardBase card = selectableInfo.Cards[item2[m]];
				if (currentList.Any((BattleCardBase c) => c.Index == card.Index && c.IsPlayer == card.IsPlayer))
				{
					flag = false;
				}
				currentList.Add(card);
			}
			if (flag)
			{
				if (choiceSelectableList != null && choiceSelectableList.Any((KeyValuePair<int, List<SelectableInfo>> p) => p.Key == firstCard.Index))
				{
					if (choiceSelectableList[firstCard.Index] != null)
					{
						SetupTargetsList(0, currentList, choiceSelectableList[firstCard.Index], null, out_targetsList);
					}
				}
				else
				{
					SetupTargetsList(depth + 1, currentList, selectablesList, choiceSelectableList, out_targetsList);
				}
			}
			for (int num4 = 0; num4 < item2.Length; num4++)
			{
				currentList.RemoveAt(currentList.Count - 1);
			}
		}
	}

	public static void TurnEnd(BattleManagerBase mgr, bool isPlayer)
	{
		if (isPlayer)
		{
			mgr.VfxMgr.RegisterSequentialVfx(mgr.OperateMgr.PlayerTurnEnd());
		}
		else
		{
			mgr.VfxMgr.RegisterSequentialVfx(mgr.OperateMgr.TurnEndOperation(isPlayer));
		}
	}

	public static void SetupPlayCardSkillOptionValue(BattleCardBase playCard, BattlePlayerPair pair)
	{
		IEnumerable<SkillBase> selectTypeSkill = playCard.GetSelectTypeSkill();
		if (selectTypeSkill == null)
		{
			return;
		}
		foreach (SkillBase item in selectTypeSkill)
		{
			SkillCollectionBase.SetupOptionValue(item.OptionValue, pair, playCard, item);
		}
	}

	public static List<int> GetRandomDeck(CardBasePrm.ClanType clan, int seriesRangeStart = 0, int seriesRangeEnd = 25)
	{
		int num = 0;
		int num2 = 0;
		int num3 = 40;
		List<int> deck = new List<int>();
		IEnumerable<CardParameter> allParameters = CardMaster.GetInstanceForBattle().GetAllParameters();
		while (true)
		{
			for (int i = 0; i < num3; i++)
			{
				CardBasePrm.ClanType card_clan = clan;
				if (num2 < 10)
				{
					if (_rnd.Next(9) == 0)
					{
						card_clan = CardBasePrm.ClanType.ALL;
					}
				}
				else if (_rnd.Next(9) != 0)
				{
					card_clan = CardBasePrm.ClanType.ALL;
				}
				IEnumerable<CardParameter> source = allParameters.Where((CardParameter p) => p.Clan == card_clan && seriesRangeStart <= p.BaseCardId / 1000000 % 100 && p.BaseCardId / 1000000 % 100 <= seriesRangeEnd && p.BaseCardId / 100000000 % 10 == 1 && deck.Count((int id) => id == p.BaseCardId) < 3 && !GameMgr.GetIns().GetDataMgr().IsMaintenanceCard(p.CardId) && !GameMgr.GetIns().GetDataMgr().IsMaintenanceCard(p.BaseCardId));
				if (source.Count() == 0)
				{
					num++;
					if (num >= 100)
					{
						break;
					}
					i--;
				}
				else
				{
					CardParameter cardParameter = source.ElementAt(_rnd.Next(source.Count()));
					deck.Add(cardParameter.BaseCardId);
				}
			}
			if (deck.Count == 40)
			{
				break;
			}
			if (num2 >= 100)
			{
				throw new Exception($"デッキ構築するための使用可能な{clan}カードが不足している可能性があります。カード未実装フラグを解除するか、実装が進んでから再度お試しください。");
			}
			num2++;
			num3 = 40 - deck.Count;
		}
		return deck;
	}
}