#include <iostream>
#include <cstring>
#include "engine.h"

void printHelp() {
    std::cout << "ViBe3 Physics - Simulador de físicas avanzadas\n";
    std::cout << "\nUso: vibe3_physics [opciones]\n\n";
    std::cout << "Opciones:\n";
    std::cout << "  -w, --width <px>     Ancho de resolución (default: 1280)\n";
    std::cout << "  -h, --height <px>    Alto de resolución (default: 720)\n";
    std::cout << "  -f, --fullscreen     Modo pantalla completa\n";
    std::cout << "  --help               Mostrar esta ayuda\n\n";
    std::cout << "Ejemplos:\n";
    std::cout << "  vibe3_physics                    # 1280x720 ventana\n";
    std::cout << "  vibe3_physics -w 1920 -h 1080    # 1920x1080 ventana\n";
    std::cout << "  vibe3_physics -w 1920 -h 1080 -f # 1920x1080 fullscreen\n";
}

int main(int argc, char* argv[]) {
    int width = 0;
    int height = 0;
    bool fullscreen = false;

    // Parsear argumentos
    for (int i = 1; i < argc; i++) {
        if (strcmp(argv[i], "--help") == 0) {
            printHelp();
            return 0;
        } else if (strcmp(argv[i], "-w") == 0 || strcmp(argv[i], "--width") == 0) {
            if (i + 1 < argc) {
                width = atoi(argv[++i]);
                if (width < 640) {
                    std::cerr << "Error: Ancho mínimo es 640px\n";
                    return -1;
                }
            } else {
                std::cerr << "Error: -w/--width requiere un valor\n";
                return -1;
            }
        } else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--height") == 0) {
            if (i + 1 < argc) {
                height = atoi(argv[++i]);
                if (height < 480) {
                    std::cerr << "Error: Alto mínimo es 480px\n";
                    return -1;
                }
            } else {
                std::cerr << "Error: -h/--height requiere un valor\n";
                return -1;
            }
        } else if (strcmp(argv[i], "-f") == 0 || strcmp(argv[i], "--fullscreen") == 0) {
            fullscreen = true;
        } else {
            std::cerr << "Error: Opción desconocida '" << argv[i] << "'\n";
            printHelp();
            return -1;
        }
    }

    Engine engine;

    if (!engine.initialize(width, height, fullscreen)) {
        std::cout << "¡Error al inicializar el engine!" << std::endl;
        return -1;
    }

    engine.run();
    engine.shutdown();

    return 0;
}