#include <SDL3/SDL.h>
#include "libtcod.hpp"
#include "Actor.h"
#include "Map.h"
#include "Engine.h"
#include "Destructible.h"
#include "Attacker.h"
#include "Ai.h"

Engine::Engine(int screenWidth, int screenHeight, tcod::Context *context, tcod::Console *console) {
	this->context = context;
	this->console = console;
	this->screenWidth = screenWidth;
	this->screenHeight = screenHeight;

	map = nullptr;
	player = nullptr;
	fovRadius = 10;
	computeFov = true;
	gameStatus = STARTUP;
}

void Engine::init() {

	player = new Actor(40, 25, "@", "player", TCOD_ColorRGB(255, 255, 255));
	player->destructible = new PlayerDestructible(30, 2, "player corpse");
	player->attacker = new Attacker(5);
	player->ai = new PlayerAi();
	actors.push(player);
	map = new Map(80, 45);
}

Engine::~Engine() {
    actors.clearAndDelete();
    delete map;
}

bool Engine::update() {
	if (gameStatus == STARTUP) map->computeFov();
	gameStatus = IDLE;

	player->update();
	if (gameStatus == NEW_TURN) {
		for (Actor** iterator = actors.begin(); iterator != actors.end();
			iterator++) {
			Actor* actor = *iterator;
			if (actor != player) {
				actor->update();
			}
		}
	}
	if (gameStatus == QUIT) {
		return false;
	}
	return true;
}

void Engine::render() {
	console->clear();
	// draw the map
	map->render(*console);

	// draw the actors
	for (Actor** iterator = actors.begin();
		iterator != actors.end(); iterator++) {
		Actor* actor = *iterator;
		if (actor != player && map->isInFov(actor->x, actor->y)) {
			actor->render(*console);
		}
	}
	player->render(*console);

	std::string hp = "HP : " + std::to_string(player->destructible->hp) + "/" + std::to_string(player->destructible->maxHp);

	tcod::print(*console, { 1, 1 }, hp, TCOD_ColorRGB(255, 255, 255), std::nullopt);
	context->present(*console);
}

void Engine::sendToBack(Actor* actor) {
	actors.remove(actor);
	actors.insertBefore(actor, 0);
}