// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.

#include "AstralQuestCharacter.h"
#include "HeadMountedDisplayFunctionLibrary.h"
#include "Camera/CameraComponent.h"
#include "Components/CapsuleComponent.h"
#include "Components/InputComponent.h"
#include "TimerManager.h"
#include "Player/AstralQuestPlayerController.h"
#include "Component/InteractionComponent.h"
#include "Items/Weapons/BaseWeapon.h"
#include "UObject/UObjectGlobals.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "GameFramework/Controller.h"
#include "GameFramework/SpringArmComponent.h"
#include "Components/SkeletalMeshComponent.h"
#include "Items/Clothing/BasePants.h"
#include "Items/Clothing/Baseshirt.h"

//////////////////////////////////////////////////////////////////////////
// AAstralQuestCharacter

AAstralQuestCharacter::AAstralQuestCharacter()
{
	// Set size for collision capsule
	GetCapsuleComponent()->InitCapsuleSize(42.f, 96.0f);

	// set our turn rates for input
	BaseTurnRate = 45.f;
	BaseLookUpRate = 45.f;

	// Don't rotate when the controller rotates. Let that just affect the camera.
	bUseControllerRotationPitch = false;
	bUseControllerRotationYaw = false;
	bUseControllerRotationRoll = false;

	// Configure character movement
	GetCharacterMovement()->bOrientRotationToMovement = true; // Character moves in the direction of input...	
	GetCharacterMovement()->RotationRate = FRotator(0.0f, 540.0f, 0.0f); // ...at this rotation rate
	GetCharacterMovement()->JumpZVelocity = 600.f;
	GetCharacterMovement()->AirControl = 0.2f;

	// Create a camera boom (pulls in towards the player if there is a collision)
	CameraBoom = CreateDefaultSubobject<USpringArmComponent>(TEXT("CameraBoom"));
	CameraBoom->SetupAttachment(RootComponent);
	CameraBoom->TargetArmLength = 300.0f; // The camera follows at this distance behind the character	
	CameraBoom->bUsePawnControlRotation = true; // Rotate the arm based on the controller

	// Create a follow camera
	FollowCamera = CreateDefaultSubobject<UCameraComponent>(TEXT("FollowCamera"));
	FollowCamera->SetupAttachment(CameraBoom, USpringArmComponent::SocketName); // Attach the camera to the end of the boom and let the boom adjust to match the controller orientation
	FollowCamera->bUsePawnControlRotation = false; // Camera does not rotate relative to arm

	// Note: The skeletal mesh and anim blueprint references on the Mesh component (inherited from Character) 
	// are set in the derived blueprint asset named MyCharacter (to avoid direct content references in C++)

	Health = 1;
	Level = 1;
	Energy = 1;
	CurrentTask = FText::FromString("Get Beans");

	InteractionCheckFrequency = 0.f;
	InteractionCheckDistance = 1000.f;

	CanPlaceBlocks = true;

}

void AAstralQuestCharacter::Attack()
{
	if (EquippedWeapon != nullptr)
	{
		Cast<ABaseWeapon>(EquippedWeapon)->Attack();
	}

	UE_LOG(LogTemp, Warning, TEXT("Attack"))
		

}

//////////////////////////////////////////////////////////////////////////
// Input

void AAstralQuestCharacter::BeginPlay()
{
	Super::BeginPlay();
	Controller = Cast<AAstralQuestPlayerController>(GetController());
	ChangeMesh();
}

void AAstralQuestCharacter::SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent)
{
	// Set up gameplay key bindings
	check(PlayerInputComponent);
	PlayerInputComponent->BindAction("Jump", IE_Pressed, this, &ACharacter::Jump);
	PlayerInputComponent->BindAction("Jump", IE_Released, this, &ACharacter::StopJumping);
    
    PlayerInputComponent->BindAction("Hotbar1", IE_Pressed, this, &AAstralQuestCharacter::Hotbar1);
    PlayerInputComponent->BindAction("Hotbar2", IE_Pressed, this, &AAstralQuestCharacter::Hotbar2);
    PlayerInputComponent->BindAction("Hotbar3", IE_Pressed, this, &AAstralQuestCharacter::Hotbar3);
    PlayerInputComponent->BindAction("Hotbar4", IE_Pressed, this, &AAstralQuestCharacter::Hotbar4);
    PlayerInputComponent->BindAction("Hotbar5", IE_Pressed, this, &AAstralQuestCharacter::Hotbar5);
    PlayerInputComponent->BindAction("Hotbar6", IE_Pressed, this, &AAstralQuestCharacter::Hotbar6);


    
    
    
	PlayerInputComponent->BindAxis("MoveForward", this, &AAstralQuestCharacter::MoveForward);
	PlayerInputComponent->BindAxis("MoveRight", this, &AAstralQuestCharacter::MoveRight);

	// We have 2 versions of the rotation bindings to handle different kinds of devices differently
	// "turn" handles devices that provide an absolute delta, such as a mouse.
	// "turnrate" is for devices that we choose to treat as a rate of change, such as an analog joystick
	PlayerInputComponent->BindAxis("Turn", this, &APawn::AddControllerYawInput);
	PlayerInputComponent->BindAxis("TurnRate", this, &AAstralQuestCharacter::TurnAtRate);
	PlayerInputComponent->BindAxis("LookUp", this, &APawn::AddControllerPitchInput);
	PlayerInputComponent->BindAxis("LookUpRate", this, &AAstralQuestCharacter::LookUpAtRate);

	// handle touch devices
	PlayerInputComponent->BindTouch(IE_Pressed, this, &AAstralQuestCharacter::TouchStarted);
	PlayerInputComponent->BindTouch(IE_Released, this, &AAstralQuestCharacter::TouchStopped);

	// VR headset functionality
	PlayerInputComponent->BindAction("ResetVR", IE_Pressed, this, &AAstralQuestCharacter::OnResetVR);

	PlayerInputComponent->BindAction("Interact", IE_Pressed, this, &AAstralQuestCharacter::BeginInteract);
	PlayerInputComponent->BindAction("Interact", IE_Released, this, &AAstralQuestCharacter::EndInteract);

	PlayerInputComponent->BindAction("Attack", IE_Pressed, this, &AAstralQuestCharacter::Attack);
	PlayerInputComponent->BindAction("PlaceItem", IE_Pressed, this, &AAstralQuestCharacter::PlaceBlock);
}

void AAstralQuestCharacter::MoveForward(float Value)
{
	if (Controller != NULL)
	{
		UE_LOG(LogTemp, Warning, TEXT("True"));
	}
	else
	{
		UE_LOG(LogTemp, Warning, TEXT("False"));
	}
	if ((GetController() != NULL) && (Value != 0.0f))
	{
		
		// find out which way is forward
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0, Rotation.Yaw, 0);

		// get forward vector
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::X);
		AddMovementInput(Direction, Value);
		 
	}
}

void AAstralQuestCharacter::MoveRight(float Value)
{
	if ((Controller != NULL) && (Value != 0.0f))
	{
		// find out which way is right
		const FRotator Rotation = Controller->GetControlRotation();
		const FRotator YawRotation(0, Rotation.Yaw, 0);

		// get right vector 
		const FVector Direction = FRotationMatrix(YawRotation).GetUnitAxis(EAxis::Y);
		// add movement in that direction
		AddMovementInput(Direction, Value);
	}
}

void AAstralQuestCharacter::ChangeMesh()
{
    if (Pants && Shirt)
    {
        
        USkeletalMeshComponent* MeshComponent = Shirt->ShirtMesh;
        MeshComponent->SetupAttachment(GetMesh());
        MeshComponent = Pants->PantsMesh;
        MeshComponent->SetupAttachment(GetMesh());

    }
    
    
    
    
}

void AAstralQuestCharacter::Hotbar1()
{
	if (Inventory->Items.IsValidIndex(0))
	{
		ItemEquipped = 0;
		EquippedWeapon = Inventory->Items[0];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 0;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
}

void AAstralQuestCharacter::Hotbar2()
{
	if (Inventory->Items.IsValidIndex(1))
	{
		ItemEquipped = 1;
		EquippedWeapon = Inventory->Items[1];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 1;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
    
}

void AAstralQuestCharacter::Hotbar3()
{
	if (Inventory->Items.IsValidIndex(2))
	{
		ItemEquipped = 2;
		EquippedWeapon = Inventory->Items[2];
		Controller->RefreshMainMenu();
	}
	else
	{ 
		ItemEquipped = 2;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	
	}
 
}

void AAstralQuestCharacter::Hotbar4()
{
	if (Inventory->Items.IsValidIndex(3))
	{
		ItemEquipped = 3;
		EquippedWeapon = Inventory->Items[3];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 3;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
}

void AAstralQuestCharacter::Hotbar5()
{
	if (Inventory->Items.IsValidIndex(4))
	{
		ItemEquipped = 4;
		EquippedWeapon = Inventory->Items[4];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 4;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
}

void AAstralQuestCharacter::Hotbar6()
{
	if (Inventory->Items.IsValidIndex(5))
	{
		ItemEquipped = 5;
		EquippedWeapon = Inventory->Items[5];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 5;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
}

void AAstralQuestCharacter::Hotbar7()
{
	if (Inventory->Items.IsValidIndex(6))
	{
		ItemEquipped = 6;
		EquippedWeapon = Inventory->Items[6];
		Controller->RefreshMainMenu();
	}
	else
	{
		ItemEquipped = 6;
		EquippedWeapon = nullptr;
		Controller->RefreshMainMenu();
	}
}

void AAstralQuestCharacter::DeathAnimation()
{
}



void AAstralQuestCharacter::Tick(float DeltaTime)
{
	Super::Tick(DeltaTime);
	
	if (GetWorld()->TimeSince(interactionData.LastInteractionCheckTime) > InteractionCheckFrequency)
	{
		PerformInteractionCheck();
	}
    if (Health < 1)
    {
		DeathAnimation();
    }
}

void AAstralQuestCharacter::OnResetVR()
{
	UHeadMountedDisplayFunctionLibrary::ResetOrientationAndPosition();
}

void AAstralQuestCharacter::TouchStarted(ETouchIndex::Type FingerIndex, FVector Location)
{
		Jump();
}

void AAstralQuestCharacter::TouchStopped(ETouchIndex::Type FingerIndex, FVector Location)
{
		StopJumping();
}

void AAstralQuestCharacter::TurnAtRate(float Rate)
{
	// calculate delta for this frame from the rate information
	AddControllerYawInput(Rate * BaseTurnRate * GetWorld()->GetDeltaSeconds());
}

void AAstralQuestCharacter::PlaceBlock()
{
	if (Inventory->Items.IsValidIndex(ItemEquipped))
	{
		if (Inventory->Items[ItemEquipped])
		{
			if (CanPlaceBlocks)
			{
				Inventory->Items[ItemEquipped]->DropItem(this);	

			}
		}
	}
}

void AAstralQuestCharacter::LookUpAtRate(float Rate)
{
	// calculate delta for this frame from the rate information
	AddControllerPitchInput(Rate * BaseLookUpRate * GetWorld()->GetDeltaSeconds());
}



void AAstralQuestCharacter::PerformInteractionCheck()
{


	if (GetController() == nullptr)
	{
		return;
	}

	interactionData.LastInteractionCheckTime = GetWorld()->GetTimeSeconds();

	FVector EyesLoc;
	FRotator EyesRot;

	GetController()->GetPlayerViewPoint(EyesLoc, EyesRot);

	FVector TraceStart = EyesLoc;
	FVector TraceEnd = (EyesRot.Vector() * InteractionCheckDistance) + TraceStart;
	FHitResult TraceHit;

	FCollisionQueryParams QueryParams;
	QueryParams.AddIgnoredActor(this);

	if (GetWorld()->LineTraceSingleByChannel(TraceHit, TraceStart, TraceEnd, ECC_Visibility, QueryParams))
	{	
		//Check if we hit an interactable object
		if (TraceHit.GetActor())
		{	
			if (UInteractionComponent* InteractionComponent = Cast<UInteractionComponent>(TraceHit.GetActor()->GetComponentByClass(UInteractionComponent::StaticClass())))
			{			
				float Distance = (TraceStart - TraceHit.ImpactPoint).Size();
				if (InteractionComponent != GetInteractable() && Distance <= InteractionComponent->InteractionDistance)
				{
					FoundNewInteractable(InteractionComponent);
				}
				else if (Distance > InteractionComponent->InteractionDistance && GetInteractable())
				{
					CouldntFindInteractable();
				}

				return;
			}
		}
	}

	CouldntFindInteractable();

}

void AAstralQuestCharacter::CouldntFindInteractable()
{

	if (GetWorldTimerManager().IsTimerActive(TimerHandle_Interact))
	{
		GetWorldTimerManager().ClearTimer(TimerHandle_Interact);
	}

	if (UInteractionComponent* Interactable = GetInteractable())
	{
		Interactable->EndFocus(this);
	}

	if (interactionData.bInteractHeld)
	{
		EndInteract();
	}
	interactionData.ViewedInteractionComponent = nullptr;
}

void AAstralQuestCharacter::FoundNewInteractable(UInteractionComponent* Interactable)
{
	EndInteract();

	if (UInteractionComponent* OldInteractable = GetInteractable())
	{
		OldInteractable->EndFocus(this);
	}
	interactionData.ViewedInteractionComponent = Interactable;
	Interactable->BeginFocus(this);
}

void AAstralQuestCharacter::BeginInteract()
{

	PerformInteractionCheck();

	interactionData.bInteractHeld = true;

	if (UInteractionComponent* Interactable = GetInteractable())
	{
		Interactable->BeginInteract(this);

		if (FMath::IsNearlyZero(Interactable->InteractionTime))
		{
			Interact();
		}
		else
		{
			GetWorldTimerManager().SetTimer(TimerHandle_Interact, this, &AAstralQuestCharacter::Interact, Interactable->InteractionTime, false);
		}
	}
}

void AAstralQuestCharacter::EndInteract()
{
	interactionData.bInteractHeld = false;

	GetWorldTimerManager().ClearTimer(TimerHandle_Interact);

	if (UInteractionComponent* Interactable = GetInteractable())
	{
		Interactable->EndInteract(this);
	}
}

void AAstralQuestCharacter::Interact()
{
	GetWorldTimerManager().ClearTimer(TimerHandle_Interact);

	if (UInteractionComponent* Interactable = GetInteractable())
	{
		Interactable->Interact(this);
	}
}

bool AAstralQuestCharacter::IsInteracting() const
{

	return GetWorldTimerManager().IsTimerActive(TimerHandle_Interact);

}

float AAstralQuestCharacter::GetRemaingInteractTime() const
{

	return GetWorldTimerManager().GetTimerRemaining(TimerHandle_Interact);

}