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


#include "VRCharacterBase.h"

#include "Kismet/GameplayStatics.h"
#include "Kismet/KismetSystemLibrary.h"

#include "Components/CapsuleComponent.h"

#include "VRHUDBase.h"
#include "VRGroupBase.h"


static FName FirstPersonCameraName(TEXT("FirstPersonCamera"));

// Sets default values
AVRCharacterBase::AVRCharacterBase(const FObjectInitializer& ObjectInitializer): Super(ObjectInitializer)
{
 	// Set this character to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
	PrimaryActorTick.bCanEverTick = true;

	GetCapsuleComponent()->InitCapsuleSize(50, 50);
	GetCapsuleComponent()->SetRelativeLocation(FVector(-240, 60, 190));

	GetMesh()->SetRelativeLocation(FVector(0, 0, -100));
	GetMesh()->SetRelativeRotation(FRotator(0, -90, 0));

	FirstPersonCamera = CreateDefaultSubobject<UCameraComponent>(FirstPersonCameraName);
	if (FirstPersonCamera) {
		FirstPersonCamera->SetRelativeLocation(FVector(60, 0, 15));
		FirstPersonCamera->SetupAttachment(GetCapsuleComponent());
	}

	BeginWaitConnected_Timeline.SetTimelineLength(2);

	CurveFloat = CreateDefaultSubobject<UCurveFloat>(FName("CurveFloat"));
	if (CurveFloat) {
		CurveFloat->FloatCurve.AddKey(0, 0);
		CurveFloat->FloatCurve.AddKey(2, 100);
	}

	FOnTimelineFloatStatic onTimelineUpdate;
	onTimelineUpdate.BindUFunction(this, FName("OnBeginWaitConnected_TimelineUpdate"));	
	BeginWaitConnected_Timeline.AddInterpFloat(CurveFloat, onTimelineUpdate);

	FOnTimelineEventStatic onTimelineFinished;
	onTimelineFinished.BindUFunction(this, FName("OnBeginWaitConnected_TimelineFinished"));	
	BeginWaitConnected_Timeline.SetTimelineFinishedFunc(onTimelineFinished);
}

// Called when the game starts or when spawned
void AVRCharacterBase::BeginPlay()
{
	Super::BeginPlay();

}

// Called every frame
void AVRCharacterBase::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);

	BeginWaitConnected_Timeline.TickTimeline(DeltaTime);
}

// Called to bind functionality to input
void AVRCharacterBase::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
{
	Super::SetupPlayerInputComponent(PlayerInputComponent);

	PlayerInputComponent->BindAxis("MoveForward", this, &AVRCharacterBase::MoveForward);
	PlayerInputComponent->BindAxis("MoveRight", this, &AVRCharacterBase::MoveRight);
	PlayerInputComponent->BindAxis("Turn", this, &AVRCharacterBase::Turn);
	PlayerInputComponent->BindAxis("LookUp", this, &AVRCharacterBase::LookUp);

	PlayerInputComponent->BindAction("BeginWaitConnected", EInputEvent::IE_Pressed, this, &AVRCharacterBase::BeginWaitConnected);

	PlayerInputComponent->BindAction("TestButton", EInputEvent::IE_Pressed, this, &AVRCharacterBase::Test);
}

void AVRCharacterBase::MoveForward(float value) {
	FVector direction = GetActorForwardVector();
	AddMovementInput(direction * value);
}

void AVRCharacterBase::MoveRight(float value) {
	FVector direction = GetActorRightVector();
	AddMovementInput(direction * value);
}

void AVRCharacterBase::Turn(float value) {
	AddControllerYawInput(value);
}

void AVRCharacterBase::LookUp(float value) {
	FirstPersonCamera->AddRelativeRotation(FRotator(-value, 0, 0));
}

void AVRCharacterBase::BeginWaitConnected() {
	UE_LOG(LogTemp, Warning, TEXT("AVRCharacterBase::BeginWaitConnected"));

	BeginWaitConnected_Timeline.PlayFromStart();
}

void AVRCharacterBase::CreateGroup() {
	if (IsInGroup()) {
		UE_LOG(LogTemp, Warning, TEXT("已在阵列中"));
		return;
	}

	GetCapsuleComponent()->SetCollisionResponseToChannel(ECollisionChannel::ECC_Pawn, ECollisionResponse::ECR_Overlap);

	AVRGroupBase* group = GetWorld()->SpawnActor<AVRGroupBase>();
	group->SetActorTransform(GetActorTransform());

	AttachToActor(group, FAttachmentTransformRules(EAttachmentRule::SnapToTarget, EAttachmentRule::SnapToTarget, EAttachmentRule::SnapToTarget, true), NAME_None);
	AddActorLocalOffset(FVector(0, 0, 0));
	SetActorRotation(FRotator(0, 0, 0));
}

bool AVRCharacterBase::IsInGroup() {
	AActor* parent = GetAttachParentActor();
	return parent != nullptr;
}

void AVRCharacterBase::OnBeginWaitConnected_TimelineUpdate(float value) {
	UE_LOG(LogTemp, Warning, TEXT("AVRCharacterBase::OnTimelineUpdate: %f"), value);

	AVRHUDBase* hud = Cast<AVRHUDBase>(UGameplayStatics::GetPlayerController(GetWorld(), 0)->GetHUD());
	hud->UpdateProgress((int)value);
}

void AVRCharacterBase::OnBeginWaitConnected_TimelineFinished() {
	UE_LOG(LogTemp, Warning, TEXT("AVRCharacterBase::OnTimelineFinished"));

	AVRHUDBase* hud = Cast<AVRHUDBase>(UGameplayStatics::GetPlayerController(GetWorld(), 0)->GetHUD());
	hud->UpdateProgress(100);

	CreateGroup();
}

void AVRCharacterBase::Test() {
	UGameInstance *gameInstance = GetGameInstance();
		

}