#include <WiFi.h>
#include "esp_sleep.h"
#include "wifi_handler.h"

extern bool timeSynched;
extern ESP32Time *rtc;

volatile bool disconnectRequested = false;
volatile bool prDateTimeRequested = false;

void IRAM_ATTR printDateTime_isr()  { prDateTimeRequested = true; }

void setup() {
  Serial.begin(115200);
  setupWiFi();  // Handle SNTP too

  // Print Date/Time
  pinMode(33, INPUT_PULLDOWN);
  attachInterrupt(digitalPinToInterrupt(33), printDateTime_isr,  RISING);

  esp_sleep_enable_timer_wakeup(60*1000000);  // 60 seconds
  esp_sleep_enable_ext0_wakeup((gpio_num_t)33, HIGH);
}

void loop() {
  if (disconnectRequested) {
    disconnectRequested = false;  // Clear the flag
    Serial.println("Button pressed. Disconnecting WiFi...");
    WiFi.disconnect();
  }

  if (timeSynched && prDateTimeRequested) {
    prDateTimeRequested = false;
    Serial.println(rtc->getTimeDate());
  }

  if (timeSynched) Serial.print("+");
  else             Serial.print(".");

  Serial.print("Entering light sleep...");
  esp_light_sleep_start();
  Serial.println("Woke up!");
}