#include <Adafruit_CC3000.h>
#include <ccspi.h>
#include <SPI.h>
#include <plotly_streaming_cc3000.h>

#define WLAN_SSID       "wifi_network_name"
#define WLAN_PASS       "wifi_network_password"
#define WLAN_SECURITY   WLAN_SEC_WPA2

// Sign up to plotly here: https://plot.ly
// View your API key and streamtokens here: https://plot.ly/settings
#define nTraces 2
// View your tokens here: https://plot.ly/settings
// Supply as many tokens as data traces
// e.g. if you want to ploty A0 and A1 vs time, supply two tokens
char *tokens[nTraces] = {"25tm9197rz", "unbi52ww8a"};
// arguments: username, api key, streaming token, filename
plotly graph = plotly("workshop", "v6w5xlbx9j", tokens, "your_filename", nTraces);


// Setup Analog Light Sensor Pin
int sensorPin = A0;    // select the input pin for the potentiometer
float rawRange = 1024; // 3.3v
float logRange = 5.0; // 3.3v = 10^5 lux

void wifi_connect(){
  /* Initialise the module */
  Serial.println(F("\n... Initializing..."));
  if (!graph.cc3000.begin())
  {
    Serial.println(F("... Couldn't begin()! Check your wiring?"));
    while(1);
  }

  // Optional SSID scan
  // listSSIDResults();

  if (!graph.cc3000.connectToAP(WLAN_SSID, WLAN_PASS, WLAN_SECURITY)) {
    Serial.println(F("Failed!"));
    while(1);
  }

  Serial.println(F("... Connected!"));

  /* Wait for DHCP to complete */
  Serial.println(F("... Request DHCP"));
  while (!graph.cc3000.checkDHCP())
  {
    delay(100); // ToDo: Insert a DHCP timeout!
  }
}


void setup() {
  analogReference(EXTERNAL);
  // Open serial communications and wait for port to open:
  Serial.begin(9600);
  while (!Serial) {
    ; // wait for serial port to connect. Needed for Leonardo only
  }

  wifi_connect();

  graph.fileopt="overwrite"; // See the "Usage" section in https://github.com/plotly/arduino-api for details
  bool success;
  success = graph.init();
  if(!success){while(true){}}
  graph.openStream();
}

void loop() {
  int rawValue = analogRead(sensorPin);

  Serial.print("Raw = ");
  Serial.print(rawValue);
  graph.plot(millis(), rawValue, tokens[0]);

  Serial.print(" - Lux = ");
  Serial.println(RawToLux(rawValue));
  graph.plot(millis(), RawToLux(rawValue), tokens[1]);


}

float RawToLux(int raw)
{
  float logLux = raw * logRange / rawRange;
  return pow(10, logLux);
}