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

#pragma once

#include "CoreMinimal.h"
#include "AIController.h"
#include "BasePawn.h"
#include "EnemyAIController.generated.h"

/**
 * 
 */
UCLASS()
class PRESIDENTSBRIGADE_API AEnemyAIController : public AAIController
{
	GENERATED_BODY()
	
public:
	virtual	void Tick(float delta_time) override;

protected:
	virtual void OnMoveCompleted(FAIRequestID request_id, const FPathFollowingResult& result) override;

	/**
	 * President class to find in level.
	 */
	UPROPERTY(EditAnywhere, Category = "Enemy")
	TSubclassOf<ABasePawn> president_class;

	UPROPERTY(EditAnywhere, Category = "Movement")
	float wait_threshold;

	UPROPERTY(EditAnywhere, Category = "Movement")
	float overshoot_multiplier;

private:
	/**
	 * State.
	 */
	enum state_t : uint8
	{
		init,
		wait,
		target,
		moving,
		dead
	};

	ABasePawn* get_president() const;

	/**
	 * Current state.
	 */
	state_t current_state;

	/**
	 * President that this enemy is targeting.
	 */
	ABasePawn* president;

	/**
	 * True when last submitted move has completed.
	 */
	bool move_completed;

	/**
	 * Time spent in waiting.
	 */
	float waiting_time;
};