#include <Arduino.h>
#include <Adafruit_GPS.h>
#include <SPI.h>
#include <pins_arduino.h>
#include <LoRa.h>

#define GPSSerial Serial2
#define LORA_SCK 5
#define LORA_MISO 19
#define LORA_MOSI 27
#define LORA_CS 18
#define LORA_RST 14
#define LORA_IRQ 26
Adafruit_GPS GPS(&GPSSerial);

/////////////////// Timer stuff
hw_timer_t * timer = NULL;
int counter = 0;

void setup() {

  // Set the serial for printing to 115200
  // Be sure to include
  // monitor_speed = 115200
  // as an option in the platformio.ini file
  Serial.begin(115200);

  // 9600 baud is the default rate for the Adafruit Ultimate GPS module
  GPS.begin(9600);
  SPI.begin(LORA_SCK,LORA_MISO,LORA_MOSI,LORA_CS);
  LoRa.setSPI(SPI);
  LoRa.setPins(LORA_CS, LORA_RST, LORA_IRQ);

  while (!Serial);

  Serial.println("LoRa Sender");


  if (!LoRa.begin(915E6)) {
    Serial.println("Starting LoRa failed!");
    while (1);
  }
  // uncomment this line to turn on RMC (recommended minimum) and GGA (fix data) including altitude
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCGGA);
  // uncomment this line to turn on only the "minimum recommended" data
  GPS.sendCommand(PMTK_SET_NMEA_OUTPUT_RMCONLY);

  // For parsing data, we don't suggest using anything but either RMC only or RMC+GGA since
  // the parser doesn't care about other sentences at this time
  // Set the update rate
  GPS.sendCommand(PMTK_SET_NMEA_UPDATE_1HZ); // 1 Hz update rate
  // For the parsing code to work nicely and have time to sort thru the data, and
  // print it out we don't suggest using anything higher than 1 Hz

  Serial.println("Init done...");

  Serial.println("Initializing Timer");
  // For additional information on timers see the following link:
  // https://techtutorialsx.com/2017/10/07/esp32-arduino-timer-interrupts/

  // Add your timer interrupt here

}


void loop() {
  {
  Serial.print("Sending packet: ");
  Serial.println(counter);

  // send packet
  LoRa.beginPacket();
  LoRa.print("hello ");
  LoRa.print(counter);
  LoRa.endPacket();

  counter++;

  delay(5000);
  }

  if (GPSSerial.available()) {
    GPS.read();
    if (GPS.newNMEAreceived()) {
      GPS.parse(GPS.lastNMEA());

      Serial.println(GPS.lastNMEA());
      Serial.print("\nTime: ");
      Serial.print(GPS.hour, DEC); Serial.print(':');
      Serial.print(GPS.minute, DEC); Serial.print(':');
      Serial.print(GPS.seconds, DEC); Serial.print('.');
      Serial.println(GPS.milliseconds);
      Serial.print("Date: ");
      Serial.print(GPS.day, DEC); Serial.print('/');
      Serial.print(GPS.month, DEC); Serial.print("/20");
      Serial.println(GPS.year, DEC);
      Serial.print("Fix: "); Serial.print((int)GPS.fix);
      Serial.print(" quality: "); Serial.println((int)GPS.fixquality);
      if (GPS.fix) {
        Serial.print("Location: ");
        Serial.print(GPS.latitude, 4); Serial.print(GPS.lat);
        Serial.print(", ");
        Serial.print(GPS.longitude, 4); Serial.println(GPS.lon);
        Serial.print("Speed (knots): "); Serial.println(GPS.speed);
        Serial.print("Angle: "); Serial.println(GPS.angle);
        Serial.print("Altitude: "); Serial.println(GPS.altitude);
        Serial.print("Satellites: "); Serial.println((int)GPS.satellites);
      }

    }
  }

}