Chicago Gun Violence Electronic Sculpture

// This #include statement was automatically added by the Particle IDE.
#include <neopixel.h>
#include <ArduinoJson.h>
#include "Particle.h"

SYSTEM_MODE(AUTOMATIC);
SerialLogHandler logHandler(LOG_LEVEL_INFO);

#if (PLATFORM_ID == 32)
#define PIXEL_PIN SPI1
#else // #if (PLATFORM_ID == 32)
#define PIXEL_PIN D2
#endif
#define PIXEL_COUNT 10
#define PIXEL_TYPE WS2812B

Adafruit_NeoPixel strip(PIXEL_COUNT, PIXEL_PIN, PIXEL_TYPE);
Servo myServo;
int districtIndex[10];
String injureds[10];
const int farNorthSide[] = {41, 45, 39, 50, 49, 48, 40, 33, 47, 46};
const int northwestSide[] = {38,36,26,30,35,31};
const int northSide[] = {44,43,1,32};
const int westSide[] = {29,37,28,24,22,25,34,27};
const int central[] = {42,2,4};
const int southWestSide[] = {14,23,13,12,15,16};
const int southSide[] = {11,3,20,5};
const int farSouthWestSide[] = {18,17,21,19,6};
const int farSouthEastSide[] = {9,10,8,7};

const int* districts[] = {
    farNorthSide,
    northwestSide,
    northSide,
    westSide,
    central,
    southSide,
    southWestSide,
    farSouthWestSide,
    farSouthEastSide
};

const int districtSizes[] = {
    sizeof(farNorthSide) / sizeof(farNorthSide[0]),
    sizeof(northwestSide) / sizeof(northwestSide[0]),
    sizeof(northSide) / sizeof(northSide[0]),
    sizeof(westSide) / sizeof(westSide[0]),
    sizeof(central) / sizeof(central[0]),
    sizeof(southWestSide) / sizeof(southWestSide[0]),
    sizeof(southSide) / sizeof(southSide[0]),
    sizeof(farSouthWestSide) / sizeof(farSouthWestSide[0]),
    sizeof(farSouthEastSide) / sizeof(farSouthEastSide[0])
};
// setup() runs once, when the device is first turned on
void setup() {
    Particle.subscribe("hook-response/getGunCrimes", retrieveValues);
    Serial.begin(9600);
    strip.begin();
    strip.clear();
    strip.setBrightness(255);
    strip.show();
    myServo.attach(1);
    myServo.write(0);
    Particle.publish("getGunCrimes");
}

// loop() runs over and over again, as quickly as it can execute.
void loop() {
    unsigned long msecs = millis();
    if (msecs%3600000 == 0)
    {
        Particle.publish("getGunCrimes");
    }
    gunLights(districtIndex, injureds, 10);
    for (int angle = 0; angle < 90; angle++)
    {
        myServo.write(angle);
        delay(15);
    }
    delay(150);
    strip.clear();
    strip.show();
    for (int angle = 90; angle >= 0; angle--)
    {
        myServo.write(angle);
        delay(15);
    }
    delay(150);
    
}

void retrieveValues(const char *event, const char *data)
{
    String jsonData = data;
    const int queryAmt = getQueryAmt(jsonData);
    String queries[queryAmt];
    int wards[queryAmt];
    String injuries[queryAmt];
    int districtNums[queryAmt];
    splitData(jsonData, queries, queryAmt);
    getWards(queries, wards, queryAmt);
    getInjuries(queries, injuries, queryAmt);
    getDistrictNum(wards, districtNums, queryAmt);
    for (int i = 0; i < queryAmt; i++)
    {
        districtIndex[i] = districtNums[i];
        Serial.print(districtIndex[i]);
    }
    for (int i = 0; i < queryAmt; i++)
    {
        injureds[i] = injuries[i];
        Serial.print(injureds[i]);
    }
}

int getQueryAmt(String data)
{
    int amt = 0;
    for (int i = 0; i < data.length(); i++)
    {
        if (data.charAt(i) == '{')
        {
            amt++;
        }
    }
    return amt;
}

void splitData(String data, String array[], int queryAmt)
{
    for (int i = 0; i < queryAmt; i++)
    {
        int startIndex = data.indexOf('{') + 1;
        int endIndex = data.indexOf('}');
        array[i] = data.substring(startIndex, endIndex);
        data = data.substring(endIndex+1);
    }
}

void getWards(String array1[], int array2[], int queryAmt)
{
    for (int i = 0; i < queryAmt; i++)
    {
        int wardIndex = array1[i].indexOf("ward");
        String str = array1[i].substring(wardIndex);
        int commaIndex = str.indexOf(',');
        array2[i] = str.substring(7, commaIndex - 1).toInt();
    }
}

void getInjuries(String array1[], String array2[], int queryAmt)
{
    for (int i = 0; i < queryAmt; i++)
    {
        int gunIndex = array1[i].indexOf("gunshot_injury_i");
        String str = array1[i].substring(gunIndex);
        array2[i] = str.substring(19, str.length() - 1);
    }
}

void getDistrictNum(int array1[], int array2[], int queryAmt)
{
    for (int i = 0; i < queryAmt; i++)
    {
        for (int a = 0; a < arraySize(districts); a++)
        {
            for (int b = 0; b < districtSizes[a]; b++)
            {
                if (array1[i] == districts[a][b])
                {
                    array2[i] = a;
                }
            }
        }
    }
}

void gunLights(int array1[], String array2[], int queryAmt)
{
    for (int i = 0; i < queryAmt; i++)
    {
        if (array2[i].equals("YES"))
        {
            strip.setPixelColor(array1[i], 255, 0, 0);
            strip.show();
        } 
        else
        {
            strip.setPixelColor(array1[i], 250, 255, 0);
            strip.show();
        }
    }
}