#include "common_functions.h"
float mm_to_inches(float value_mm)
{
  return 0.0393701 * value_mm;
}

float hPa_to_inHg(float value_hPa)
{
  return 0.02953 * value_hPa;
}

int JulianDate(int d, int m, int y) {
  int mm, yy, k1, k2, k3, j;
  yy = y - (int)((12 - m) / 10);
  mm = m + 9;
  if (mm >= 12) mm = mm - 12;
  k1 = (int)(365.25 * (yy + 4712));
  k2 = (int)(30.6001 * mm + 0.5);
  k3 = (int)((int)((yy / 100) + 49) * 0.75) - 38;
  // 'j' for dates in Julian calendar:
  j = k1 + k2 + d + 59 + 1;
  if (j > 2299160) j = j - k3; // 'j' is the Julian date at 12h UT (Universal Time) For Gregorian calendar:
  return j;
}

float SumOfPrecip(float DataArray[], int readings) {
  float sum = 0;
  for (int i = 0; i < readings; i++) {
    sum += DataArray[i];
  }
  return sum;
} 

String TitleCase(String text){
  if (text.length() > 0) {
    String temp_text = text.substring(0,1);
    temp_text.toUpperCase();
    return temp_text + text.substring(1); // Title-case the string
  }
  else return text;
}

void copy(float* src, float* dst, int len) {
    // memcpy(dst, src, sizeof(src[0])*len);
    for (int i = 0; i < len; i++) {
      dst[i] = src[i];
    }
}

void convertJsonToArray(float v[], String json, String sub_level, String data_name) 
{
  if (debug) Serial.println("B - convertJsonToArray");

  DynamicJsonDocument doc(32000);
  DeserializationError error = deserializeJson(doc, json);
  if (error) {
    if (debug) Serial.print(F("deserializeJson() failed: "));
    if (debug) Serial.println(error.c_str());
    if (debug) Serial.println("E - convertJsonToArray");
    return;
  }
  JsonObject root = doc.as<JsonObject>();

  //JsonArray list = doc.as<JsonArray>();
  JsonArray list  = root[sub_level];

  if (debug) Serial.print("v=");
  // Loop through all the elements of the array
  int i = 0;
  int max = max_readings;
  for (byte r = list.size() - max; r < list.size(); r++) {  
    v[i]= list[r][data_name].as<float>();
    if (debug) Serial.print(v[i]);
    if (debug) Serial.print(" ");
    i ++;
  }
  if (debug) Serial.println("");
  if (debug) Serial.println("E - convertJsonToArray");

}