#include <iostream>
#include <SDL3/SDL.h>

int main() {
    // Inicializar SDL
    if (!SDL_Init(SDL_INIT_GAMEPAD)) {
        std::cerr << "Error inicializando SDL: " << SDL_GetError() << std::endl;
        return 1;
    }

    std::cout << "Prueba de triggers L2/R2 como botones digitales" << std::endl;
    std::cout << "Conecta un mando arcade y presiona L2 o R2" << std::endl;
    std::cout << "Presiona ESC para salir" << std::endl;

    // Abrir primer gamepad disponible
    SDL_Gamepad* gamepad = nullptr;
    SDL_JoystickID* joysticks = SDL_GetJoysticks(nullptr);
    
    if (joysticks) {
        for (int i = 0; joysticks[i]; i++) {
            if (SDL_IsGamepad(joysticks[i])) {
                gamepad = SDL_OpenGamepad(joysticks[i]);
                if (gamepad) {
                    std::cout << "Gamepad conectado: " << SDL_GetGamepadName(gamepad) << std::endl;
                    break;
                }
            }
        }
        SDL_free(joysticks);
    }

    if (!gamepad) {
        std::cout << "No se encontró ningún gamepad compatible" << std::endl;
        SDL_Quit();
        return 1;
    }

    bool running = true;
    SDL_Event event;

    while (running) {
        while (SDL_PollEvent(&event)) {
            switch (event.type) {
                case SDL_EVENT_QUIT:
                    running = false;
                    break;
                case SDL_EVENT_GAMEPAD_AXIS_MOTION:
                    if (event.gaxis.axis == SDL_GAMEPAD_AXIS_LEFT_TRIGGER) {
                        if (event.gaxis.value > 16384) {
                            std::cout << "L2 PRESIONADO como botón digital (valor: " << event.gaxis.value << ")" << std::endl;
                        }
                    } else if (event.gaxis.axis == SDL_GAMEPAD_AXIS_RIGHT_TRIGGER) {
                        if (event.gaxis.value > 16384) {
                            std::cout << "R2 PRESIONADO como botón digital (valor: " << event.gaxis.value << ")" << std::endl;
                        }
                    }
                    break;
                case SDL_EVENT_GAMEPAD_BUTTON_DOWN:
                    std::cout << "Botón presionado: " << event.gbutton.button << std::endl;
                    break;
            }
        }

        // Verificar ESC para salir
        const bool* keyboard_state = SDL_GetKeyboardState(nullptr);
        if (keyboard_state[SDL_SCANCODE_ESCAPE]) {
            running = false;
        }

        SDL_Delay(16); // ~60 FPS
    }

    if (gamepad) {
        SDL_CloseGamepad(gamepad);
    }
    SDL_Quit();
    return 0;
}