#include <SPI.h>
#include <WiFiNINA.h>
//#define _GPS_

#ifdef _GPS_
#include <TinyGPS++.h>
#include <SoftwareSerial.h>
#endif

#define SECRET_SSID "S7-edge"
#define SECRET_PASS "12345678"

#ifdef _GPS_
static const int RXPin = 4, TXPin = 3;
static const uint32_t GPSBaud = 9600;
TinyGPSPlus gps;
SoftwareSerial ss(RXPin, TXPin);
#endif

char ssid[] = SECRET_SSID;
char pass[] = SECRET_PASS;
int status = WL_IDLE_STATUS;
WiFiClient client;

char server[] = "www.test.com";
unsigned long lastConnectionTime = 0;
const unsigned long postingInterval = 60L * 1000L;

void setup() {
  Serial.begin(9600);
  #ifdef _GPS_
  ss.begin(GPSBaud);
  #endif
  
  while (!Serial) {
    ;
  }

  if (WiFi.status() == WL_NO_MODULE) {
    Serial.println("Communication with WiFi module failed!");
    while (true);
  }
  
  while (status != WL_CONNECTED) {
    Serial.print("Attempting to connect to WPA SSID: ");
    Serial.println(ssid);
    // Connect to WPA/WPA2 network:
    status = WiFi.begin(ssid, pass);

    delay(10000);
  }

  Serial.print("You're connected to the network");
  printWifiData();
}

void loop() {
  #ifdef _GPS_
  while (ss.available()) {
    gps.encode(ss.read());
    
    if (gps.location.isUpdated()) {
      Serial.print("Latitude: "); 
      Serial.println(gps.location.lat(), 6);
      Serial.print("Longitude: "); 
      Serial.println(gps.location.lng(), 6);
      
      if (millis() - lastConnectionTime > postingInterval) {
        String cmd = "lat=" + String(gps.location.lat(), 6) + "&lng=" + String(gps.location.lng(), 6);
        Serial.println("Cmd: " + cmd);
        httpRequest(cmd);
        delay(10000);
      }

      while (client.available()) {
        char c = client.read();
        Serial.write(c);
      }
    }
  }
  #else
  while (client.available()) {
    char c = client.read();
    Serial.write(c);
  }

  String cmd = "lat=25.05&lng=121.46";
  httpRequest(cmd);
  delay(10000);
  #endif
}

void printWifiData() {
  IPAddress ip = WiFi.localIP();
  Serial.print("IP Address: ");
  Serial.println(ip);
}

void httpRequest(String command) {
  client.stop();
  
  if (client.connect(server, 80)) {
    Serial.println("connecting...");
    client.println("GET /arduino.php?" + command + " HTTP/1.1");
    client.println("Host: www.test.com");
    client.println("User-Agent: ArduinoWiFi/1.1");
    client.println("Connection: close");
    client.println();
    //delay(10000);
  } else {
    Serial.println("connection failed");
    printWifiData();
    //delay(5000);
  }

  lastConnectionTime = millis();
}