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

#pragma once

#include "CoreMinimal.h"
#include "BasePawn.h"
#include "PlayerPawn.generated.h"

class UCameraComponent;

/**
 * 
 */
UCLASS()
class PRESIDENTSBRIGADE_API APlayerPawn : public ABasePawn
{
	GENERATED_BODY()
public:
	// Sets default values for this pawn's properties
	APlayerPawn(const FObjectInitializer &object_initializer);

	virtual void Tick(float delta_time) override;
	
	// Called to bind functionality to input
	virtual void SetupPlayerInputComponent(class UInputComponent* PlayerInputComponent) override;

	UFUNCTION(BlueprintCallable)
	FORCEINLINE float get_president_health() const
	{
		if (president_ref)
		{
			return president_ref->get_current_health_percentage();
		}

		return 0;
	}

	UFUNCTION(BlueprintCallable)
	FORCEINLINE float get_boost_cooldown_percentage() const
	{
		if (reset_wait_s < reset_threshold_s)
		{
			return 0;
		}

		if (cooldown_wait_s >= cooldown_threshold_s)
		{
			return 1.0f;
		}

		return cooldown_wait_s / cooldown_threshold_s;
	}

	UFUNCTION(BlueprintCallable)
	FORCEINLINE int32 get_current_ammo() const
	{
		return current_ammo;
	}

	UFUNCTION(BlueprintCallable)
	FORCEINLINE int32 get_max_ammo() const
	{
		return max_ammo;
	}

protected:
	virtual void BeginPlay() override;
	virtual void destroy_self() override;

	UPROPERTY(EditAnywhere, Category="Player")
	UCameraComponent* main_camera;

	/**
	 * Time in seconds before respawn.
	 */
	UPROPERTY(EditAnywhere, Category = "Player")
	float respawn_s;

	/**
	 * Classes that can add ammo to this object.
	 */
	UPROPERTY(EditAnywhere, Category = "Player")
	TMap<UClass*, int> ammo_class_map;

	UPROPERTY(EditAnywhere, Category = "Player")
	TSubclassOf<ABasePawn> president_class;

	/**
	 * Multiplier to apply to current speed while boosting. Applies to max speed and accleration.
	 */
	UPROPERTY(EditAnywhere, Category = "Movement")
	float boost_multiplier;

	/**
	 * Time in seconds before auto resetting boost.
	 */
	UPROPERTY(EditAnywhere, Category = "Movement")
	float reset_threshold_s;

	/**
	 * Time in seconds before allowed to boost again.
	 */
	UPROPERTY(EditAnywhere, Category = "Movement")
	float cooldown_threshold_s;

private:
	UFUNCTION()
	void handle_overlap(
		UPrimitiveComponent *overlapped_component,
		AActor *other_actor,
		UPrimitiveComponent *other_component,
		int32 other_body_index, 
		bool from_sweep,
		const FHitResult& hit
	);

	void boost();
	void reset_boost();
	void respawn();
	ABasePawn* get_president() const;

	/**
	 * Default max speed. Cached when boost is called.
	 */
	float default_max_speed;

	/**
	 * Default max acceleration. Cached when boost is called.
	 */
	float default_max_accel;

	/**
	 * Time waited for boost reset.
	 */
	float reset_wait_s;

	/**
	 * Time waited for cooldown.
	 */
	float cooldown_wait_s;

	/**
	 * Time waiting for respawn.
	 */
	float respawn_wait_s;

	/**
	 * True after post tick initialization.
	 */
	bool init;

	/**
	 * Cached reference to the president.
	 */
	ABasePawn* president_ref;
};