#include "OneButton.h"

// enum Modes Mode;
OneButton mainButton;
// OneButton forwardbutton;
// OneButton Backbutton;
// OneButton button;


#define MAIN_BUTTON 17
// Attach a LED using GPIO 25 and VCC. The LED is on when output level is LOW.
#define PIN_LED 25

#include "buttonHelper.h"



int ledState = LOW;

// setup code here, to run once:
void setup() {
  Serial.begin(115200);
  Serial.println("One Button Example with polling.");

  // enable the standard led on pin PIN_LED.
  pinMode(PIN_LED, OUTPUT);  // sets the digital pin as output
  digitalWrite(PIN_LED, ledState);


    // Set the GPIO pin 17 (MAIN_BUTTON) as a wake-up source
  esp_sleep_enable_ext0_wakeup(GPIO_NUM_17, 0);  // Wake up when button is pressed (LOW signal)


  // setup OneButton
  mainButton.setup(MAIN_BUTTON, INPUT_PULLUP, true);


  // link the doubleclick function to be called on a doubleclick event.
  mainButton.attachDoubleClick(toggleAltModes);
  mainButton.attachClick(incrementMode);

  mainButton.setLongPressIntervalMs(350);
  mainButton.attachLongPressStart(toggleMachineState);

}  // setup


// main code here, to run repeatedly:
void loop() {
  // keep watching the push button:
  mainButton.tick();
  if (Mode == off) {
    Serial.println("Entering deep sleep mode...");
    delay(100);  // Allow time for the message to be sent before sleeping
    while(mainButton.isLongPressed());
    esp_deep_sleep_start();
  }
  switch (Mode) {
    case fm: blink(FM_MODE); break;
    case player: blink(PLAYER_MODE); break;
    case bluetooth: blink(BT_MODE); break;
    case master: blink(WIFI_MASTER_MODE); break;
    case slave: blink(WIFI_SLAVE_MODE); break;
    case unused: blink(IDLE); break;
    case hibernating: blink(HIBERNATING); break;
    case off: blink(SHUTDOWN); break;
    default: blink(0); break;
  }


  // You can implement other code in here or just wait a while
  delay(10);
}  // loop

// this function will be called when the button was clicked in a short timeframe.
void incrementMode() {
  crementMode(Mode, 1);
  Serial.println("The System Mode is now ");
  Serial.println(Mode);
}

// this function will be called when the button was pressed 2 times in a short timeframe.
void toggleAltModes() {
  Serial.println("x2");

  ledState = !ledState;  // reverse the LED
  digitalWrite(PIN_LED, ledState);
}  // doubleClick

void toggleMachineState() {
  if (Mode == off) {
    Mode = fm;  // Start with FM_MODE when turned on
  } else {
    Mode = off;
  }
  Serial.print("Machine state toggled. The System Mode is now ");
  Serial.println(Mode);
}


void blink(unsigned char state) {
  int period = 2000;
  float duty = float(state) / 8.00;
  float deRem = millis() % period;
  if (deRem > 100 && deRem < (duty * period + 100)) {
    digitalWrite(PIN_LED, HIGH);
  } else {
    digitalWrite(PIN_LED, LOW);
  }
}