#include <Wire.h>
#include <EEPROM.h>
#define END_CHAR '\n' 

#include "settings.h"
#define handleInt(var,value) value!=-1? var = value : value = var //setup value

Settings settings;
char buffer[9];

void setup() {
  // set up serial comunication
  Serial.begin(9600);
  Serial.println("SeedlingNursery0.1 enter ? for help");
  // set up EEPROM for testing
  EEPROM.get(0, settings);
}

void loop() {
  handleMenu();
}

void handleMenu(){
  int bytesReceived = Serial.readBytesUntil(END_CHAR,buffer,8); //Read from the bluetooth serial port
  buffer[bytesReceived+1] = '\0'; //ensure that the bytes received are formatted as C string
  
  if(bytesReceived > 0){ // if there is a char command 
    int value = -1;
    if(bytesReceived>1){ // there is a value
      value = atoi(&buffer[1]); //prase int from substring
    }
    //Handle each menu case
    //Code defined on the settings .h file
    switch (buffer[0])
    {
      case LIGHT_VALUE: handleInt(settings.light, value); break;
      case SOIL_VALUE: handleInt(settings.soil, value); break;
      case LEVEL_VAlUE: handleInt(settings.level, value); break;
      case SETTINGS_BRIGHTNESS: handleInt(settings.brightness, value); break;
      case SETTINGS_DAY: handleInt(settings.dayValue, value); break;
      case SETTINGS_SUN: handleInt(settings.sunValue, value); break;
      case SETTINGS_INTERVAL: handleInt(settings.irrigationInterval, value); break;
      case SETTINGS_SKIP: handleInt(settings.skipIrrigation, value); break;
      case SETTINGS_UNTIL: handleInt(settings.irrigationUntil, value); break;
      case SAVE: EEPROM.put(0, settings); break;
      
      //Error caching code
      default: 
        Serial.println("Command not found");
      return;
    }
    //send back the current value of the menu option
    Serial.println(value);
  }
}