#include <BleGamepad.h>

BleGamepad bleGamepad("Manette ESP32", "Nino", 100);

// --------- BOUTONS ---------
// Boutons câblés entre GPIO et GND
const int buttonPins[8] = {
  13, 12, 14, 27,
  26, 25, 33, 32
};

// --------- JOYSTICKS ---------
// Joystick gauche
const int joyLX = 34;
const int joyLY = 35;

// Joystick droit
const int joyRX = 39;
const int joyRY = 36;

// Zone morte pour éviter les tremblements
const int deadzone = 180;

// Convertit ADC ESP32 0-4095 vers axe manette -32767 à 32767
int16_t mapJoystick(int pin) {
  int value = analogRead(pin); // 0 à 4095
  int centered = value - 2048;

  if (abs(centered) < deadzone) {
    return 0;
  }

  return map(value, 0, 4095, -32767, 32767);
}

void setup() {
  Serial.begin(115200);

  for (int i = 0; i < 8; i++) {
    pinMode(buttonPins[i], INPUT_PULLUP);
  }

  bleGamepad.begin();
}

void loop() {
  if (bleGamepad.isConnected()) {

    // Gestion des 8 boutons
    for (int i = 0; i < 8; i++) {
      bool pressed = digitalRead(buttonPins[i]) == LOW;

      if (pressed) {
        bleGamepad.press(i + 1);   // boutons 1 à 8
      } else {
        bleGamepad.release(i + 1);
      }
    }

    // Lecture des joysticks
    int16_t lx = mapJoystick(joyLX);
    int16_t ly = mapJoystick(joyLY);
    int16_t rx = mapJoystick(joyRX);
    int16_t ry = mapJoystick(joyRY);

    // Envoie des axes
    // X, Y = joystick gauche
    // RX, RY = joystick droit
    bleGamepad.setAxes(lx, ly, 0, rx, ry, 0);

    delay(10);
  }
}