// Copyright Team Lumi. All Rights Reserved.

#pragma once

#include "CoreMinimal.h"
#include "GameFramework/Character.h"
#include "Logging/LogMacros.h"
#include "LumiStance.h"
#include "WizardingCentral/UserWidgets/SpellOverlay.h"
#include "WizardingCentral/Utils/OneDollar/UniStrokeRecognizer.h"

#include "LumiCharacter.generated.h"

class USpringArmComponent;
class UCameraComponent;
struct FInputActionValue;

DECLARE_DYNAMIC_MULTICAST_DELEGATE(FJumpDelegate);

DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FStanceChangedDelegate,
                                             ELumiStance, OldStance,
                                             ELumiStance, NewStance);

static const FString PlayerStanceEnumPath = TEXT("/Game/Player/E_PlayerStance");

enum ELumiSpellState
{
	Idle,
	Casting,
	Recognizing,
	Training
};


UCLASS()
class WIZARDINGCENTRAL_API ALumiCharacter : public ACharacter
{
	GENERATED_BODY()

	/** Camera boom positioning the camera behind the character */
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera", meta = (AllowPrivateAccess = "true"))
	TObjectPtr<USpringArmComponent> CameraBoom;
	/** Follow camera */
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera", meta = (AllowPrivateAccess = "true"))
	TObjectPtr<UCameraComponent> FollowCamera;

	UPROPERTY(BlueprintReadWrite, Category = "Spell", meta = (AllowPrivateAccess = "true"))
	TObjectPtr<USpellOverlay> SpellOverlay;
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Spell", meta = (AllowPrivateAccess = "true"))
	TSubclassOf<USpellOverlay> SpellOverlayClass;

	/** The default boom offset */
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera", meta = (AllowPrivateAccess = "true"))
	FVector DefaultBoomOffset = FVector(0.0f, 60.0f, 30.0f);
	/** The boom offset when aiming */
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Camera", meta = (AllowPrivateAccess = "true"))
	FVector AimBoomOffset = FVector(200.0f, 65.0f, 45.0f);

	/** The current stance of the character */
	UPROPERTY(BlueprintReadWrite, meta = (AllowPrivateAccess = "true"))
	ELumiStance CurrentStance = ELumiStance::Default;

	/** The stamina of the character */
	UPROPERTY(BlueprintReadWrite, Category = "Stamina", meta = (AllowPrivateAccess = "true"))
	double Stamina = 10.0;
	UPROPERTY(BlueprintReadWrite, Category = "Stamina", meta = (AllowPrivateAccess = "true"))
	double MaxStamina = 10.0;

	bool bIsDrawing; // TODO: Remove this, use the spell state instead
	bool bIsTraining = false; // TODO: Implement training

public:
	/* Spell System */
	ELumiSpellState SpellSystemState;
	FUniStrokeRecognizer* SpellRecognizer;

	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Spell", meta = (AllowPrivateAccess = "true"))
	TObjectPtr<UDataTable> SpellTemplatesTable = nullptr;
	UPROPERTY(EditAnywhere, BlueprintReadWrite, Category = "Spell", meta = (AllowPrivateAccess = "true"))
	TSubclassOf<UUserWidget> SpellTrainWidgetClass;
	UPROPERTY(BlueprintReadWrite, Category = "Spell", meta = (AllowPrivateAccess = "true"))
	TObjectPtr<UUserWidget> SpellTrainWidget = nullptr;
	/**
	 * Sets default values for this character's properties
	 */
	ALumiCharacter();

	/**
	 * Getter for @property CurrentStance
	 * 
	 * @return The current stance of the character
	 */
	ELumiStance
	GetCurrentStance() const;

	// Grab
	/**
	 * Callback for when the grab action is triggered
	 * @param Value The value of the input action
	 */
	void
	OnGrabActionTriggered(const FInputActionValue& Value);

	// Jump
	/**
	 * Callback for when the jump action is started
	 * @param Value The value of the input action
	 */
	void
	OnJumpActionStarted(const FInputActionValue& Value);
	/**
	 * Callback for when the jump action is ongoing
	 * @param Value The value of the input action
	 */
	void
	OnJumpActionOngoing(const FInputActionValue& Value);
	/**
	 * Callback for when the jump action is completed
	 * @param Value The value of the input action
	 */
	void
	OnJumpActionCompleted(const FInputActionValue& Value);

	// Move
	/**
	 * Callback for when the move action is triggered
	 * @param Value The value of the input action
	 */
	void
	OnMoveActionTriggered(const FInputActionValue& Value);

	// Look
	/**
	 * Callback for when the look action is triggered
	 * @param Value The value of the input action
	 */
	void
	OnLookActionTriggered(const FInputActionValue& Value);

	void
	OnSpellActionStarted();
	void
	OnSpellActionCompleted();
	void
	OnSpellPositionActionTriggered(const FInputActionValue& Value);
	void
	OnSpellTrainSwitchActionCompleted();

	UFUNCTION(BlueprintCallable, Category = "Spell")
	void
	SetIsTraining(const bool bTraining);

	UFUNCTION(BlueprintCallable, Category = "Spell")
	void
	HideTrainWidget();

	UFUNCTION(BlueprintCallable, Category = "Spell")
	void
	ShowTrainWidget();

	UFUNCTION(BlueprintCallable, Category = "Spell")
	void
	AddSpellTemplateToTable(const FString& Name);

protected:
	/**
	 * Set the stance of the character
	 * 
	 * @param NewStance The new stance to set
	 * @return The stance before the new stance was set
	 */
	UFUNCTION(BlueprintCallable, Category = "Stance")
	ELumiStance
	SetCurrentStance(ELumiStance NewStance);

	/**
	 * Event called when the character switches to the default stance
	 */
	UFUNCTION(BlueprintNativeEvent, Category = "Stance")
	void
	OnDefaultStance();
	/**
	 * Event called when the character switches to the magic stance
	 */
	UFUNCTION(BlueprintNativeEvent, Category = "Stance")
	void
	OnMagicStance();

	/**
	 * Check if the character has jumped the maximum number of times
	 * 
	 * @return True if the character cannot jump anymore, false otherwise
	 */
	UFUNCTION(BlueprintPure, Category = "LumiCharacter")
	bool
	IsLastJump() const;

	/**
	 * Called when the game starts or when spawned
	 */
	virtual void
	BeginPlay() override;

private:
	bool
	GetPlayerController(APlayerController*& LumiController) const;

	void
	LoadSpellTemplates() const;

	void
	CastSpell();

	// Delegates -------------------------------------------------------------------------------------------------------
	UPROPERTY(BlueprintAssignable, Category = "Input")
	FJumpDelegate
	OnJumpStarted;

	UPROPERTY(BlueprintAssignable, Category = "Stance")
	FStanceChangedDelegate
	OnStanceChanged;
};