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

#pragma once

#include "CoreMinimal.h"
#include "PartyMember.h"
#include "UnitInfo.h"
#include "Subsystems/LocalPlayerSubsystem.h"
#include "PartySubsystem.generated.h"

/**
 * 
 */
UCLASS(meta=(ShowWorldContextPin))
class SPACEBATTLER_API UPartySubsystem : public UGameInstanceSubsystem
{
	GENERATED_BODY()
public:
	UFUNCTION(BlueprintCallable)
	int32 SpawnParty(const float InVerticalSpacing, const float InHorizontalOffset, const float InHorizontalSpacing, const int InNumRows);
	
	UFUNCTION(BlueprintCallable)
	void AddToParty(UUnitInfo* UnitInfo);

	UFUNCTION(BlueprintCallable)
	TArray<FPartyMember> GetMembers();

	UFUNCTION(BlueprintCallable)
	TArray<UUnitInfo*> GetUnitsByTier(const int32 Tier) const;

	UFUNCTION(BlueprintCallable)
	void SetCredits(int32 Amount);

	UFUNCTION(BlueprintCallable)
	void SetMemberUnitInfo(UPARAM(ref) FPartyMember& Member, UUnitInfo* UnitInfo);

	UFUNCTION(BlueprintCallable)
	bool AllocateMember(UPARAM(ref) FPartyMember& Member);

	UFUNCTION(BlueprintCallable)
	bool DeallocateMember(UPARAM(ref) FPartyMember &Member);

	UFUNCTION(BlueprintCallable)
	void SetMemberMax(UPARAM(ref) FPartyMember& Member);

	UFUNCTION(BlueprintCallable)
	void ClearMember(UPARAM(ref) FPartyMember& Member);

	UFUNCTION(BlueprintCallable)
	void SetMemberAvailable(UPARAM(ref) FPartyMember& Member,int32 const Amount);

	UFUNCTION(BlueprintCallable)
	int32 GetMemberAvailable(UPARAM(ref) FPartyMember& Member) const;

	UFUNCTION(BlueprintCallable)
	int32 GetMemberAllocated(UPARAM(ref) FPartyMember& Member) const;

	UFUNCTION(BlueprintCallable)
	UUnitInfo* GetMemberUnitInfo(UPARAM(ref) FPartyMember& Member) const;

	UFUNCTION(BlueprintCallable)
	int32 GetTotalAvailablePartyMembers();

	UFUNCTION(BlueprintCallable)
	int32 GetTotalAllocatedPartyMembers();
	
protected:
	void SpawnUnits();

	UPROPERTY()
	TArray<TSubclassOf<AActor>> SpawnQueue;
	
	UPROPERTY(BlueprintReadWrite, EditAnywhere)
	TArray<FPartyMember> Members;

	UPROPERTY(BlueprintReadWrite, EditAnywhere)
	UPrimaryDataAsset* SelectedGeneral;

	UPROPERTY(BlueprintReadWrite, EditAnywhere)
	int32 Credits;

	UPROPERTY()
	AActor* SpawnPoint;
	
	FTimerHandle SpawnTimerHandle;
	int32 LastSpawnIndex;
	int32 NumRows;
	int32 CurrentColumn;
	float HorizontalOffset;
	float VerticalSpacing;
	float HorizontalSpacing;
};