#include "../system/AnimatorSystem.h"
#include "../system/AudioSystem.h"
#include "../system/CollisionSystem.h"
#include "../system/InputSystem.h"
#include "../system/ParticleSystem.h"
#include "../system/PhysicsSystem.h"
#include "../system/RenderSystem.h"
#include "../system/ScriptSystem.h"
#include "../system/EventSystem.h"

#include "LoopManager.h"

using namespace crepe;
using namespace std;

LoopManager::LoopManager()
	: systems({
		ScriptSystem{this->mediator},
		PhysicsSystem{this->mediator},
		CollisionSystem{this->mediator},
		AnimatorSystem{this->mediator},
		ParticleSystem{this->mediator},
		RenderSystem{this->mediator},
		InputSystem{this->mediator},
		EventSystem{this->mediator},
		AudioSystem{this->mediator},
	}) { }

void LoopManager::start() {
	this->setup();
	this->loop();
}

void LoopManager::fixed_update() {
	for (System & system : this->systems) {
		if (!system.active) continue;
		system.fixed_update();
	}
}

void LoopManager::frame_update() {
	for (System & system : this->systems) {
		if (!system.active) continue;
		system.frame_update();
	}
}

void LoopManager::setup() {
	LoopTimer & timer = this->loop_timer;
	this->game_running = true;
	this->scene_manager.load_next_scene();
	timer.start();
	timer.set_fps(200);
}

void LoopManager::loop() {
	LoopTimer & timer = this->loop_timer;
	timer.start();

	while (game_running) {
		timer.update();

		while (timer.get_lag() >= timer.get_fixed_delta_time()) {
			this->fixed_update();
			timer.advance_fixed_update();
		}

		this->frame_update();
		timer.enforce_frame_rate();
	}
}