// Fill out your copyright notice in the Description page of Project Settings.

#pragma once

#include "CoreMinimal.h"
#include "Engine/DataAsset.h"
#include "ProjectFish/Definations.h"
#include "SkillAsset.h"
#include "BagConfigAsset.generated.h"

class UShapeAsset;

//背包中摆放的技能信息
USTRUCT(BlueprintType)
struct  FPlacedSkillInfo
{
	GENERATED_BODY()

	// 技能对象引用
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Placed Skill")
	TObjectPtr< USkillAsset> SkillAsset;

	// 技能在背包中的位置X
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Placed Skill Position")
	int32 PositionX;

	// 技能在背包中的位置Y
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Placed Skill Position")
	int32 PositionY;

	FPlacedSkillInfo()
	{
		SkillAsset = nullptr;
		PositionX = 0;
		PositionY = 0;
	}

	FPlacedSkillInfo(USkillAsset* InSkillAsset, int32 InX, int32 InY)
	{
		SkillAsset = InSkillAsset;
		PositionX = InX;
		PositionY = InY;
	}
	FIntPoint GetSkillSize()
	{
		return GetSkillSizeValue(SkillAsset->SkillSize);
	}
	// 检查技能是否占用指定位置
	bool OccupiesPosition(int32 X, int32 Y) const
	{
		if (!SkillAsset)
		{
			return false;
		}
		return X >= PositionX && X < (PositionX + GetSkillSizeValue(SkillAsset->SkillSize).X) &&
			   Y >= PositionY && Y < (PositionY + GetSkillSizeValue(SkillAsset->SkillSize).Y);
	}
};
/**
 * 
 */
UCLASS(BlueprintType)
class PROJECTFISH_API UBagConfigAsset : public UDataAsset
{
	GENERATED_BODY()
public:
	// 背包形状资源引用
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "BagConfig")
	TObjectPtr<UShapeAsset> BagShapeAsset;

	// 背包中放置的技能列表
	UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "BagConfig")
	TArray<FPlacedSkillInfo> PlacedSkills;

	// 添加技能到背包
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	bool AddSkill(USkillAsset* SkillObject, int32 PositionX, int32 PositionY);

	// 移除技能
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	bool RemoveSkill(int32 SkillIndex);
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	void RemoveSkillAsset(class USkillAsset* SkillAsset);

	// 检查技能是否可以放置在指定位置
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	bool CanPlaceSkill(USkillAsset* SkillObject, int32 PositionX, int32 PositionY, bool IgnoreSelf = false) const;

	// 获取指定位置的技能索引
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	int32 GetSkillAtPosition(int32 X, int32 Y) const;

	// 获取技能总数
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	int32 GetSkillCount() const { return PlacedSkills.Num(); }

	// 清除所有技能
	UFUNCTION(BlueprintCallable, Category = "BagConfig")
	void ClearAllSkills();

private:
	// 检查技能之间是否有重叠
	bool CheckSkillOverlap(USkillAsset* SkillObject, int32 PositionX, int32 PositionY, bool IgnoreSelf = false) const;
    
	// 检查技能是否在背包形状范围内
	bool IsSkillWithinBagShape(USkillAsset* SkillObject, int32 PositionX, int32 PositionY) const;
};