/*
  Header file for the SmartGarden project
*/

#define HEADER_H

#include <Arduino.h>
#include <Wire.h>
#include <SPI.h>
#include <BH1750.h>
#include <Adafruit_Sensor.h>
#include <DHT.h>
#include <DHT_U.h>

#include <WiFi.h>
#include <WebServer.h> 
#include <AutoConnect.h>
#include "time.h"

// fix for core panic during wifi initialization
#define configMINIMAL_STACK_SIZE 4096
#define CONFIG_TIMER_TASK_STACK_SIZE 8192

// BH1750 lightsensor
#define MIN_LIGHT 0
#define MAX_LIGHT 54612

// DHT11
#define PIN_DHT11 14

// MQ-135
#define PIN_MQ135_A 12
#define PIN_MQ135_D 13

// MOISTURE SENSOR // A7
#define PIN_MS 35  
#define VALUE_WATER 1650  
#define VALUE_AIR 3500  

// Ventil
#define PIN_VALVE 32
#define MAX_VALVE_TIMEOUT 10000

// STATUS LED
#define PIN_LED_R 2
#define PIN_LED_G 0
#define PIN_LED_B 4

// LIGHT LED
#define LIGHT_LED_PIN_R 27
#define LIGHT_LED_PIN_G 26
#define LIGHT_LED_PIN_B 25
#define MAX_LIGHT_TIMEOUT 10000

// MQTT
#define MQTT_HOST "mqtt.timovolkmann.de"
#define MQTT_PORT 1883
#define MQTT_DEVICE_ID "esp-sebastian"
#define MQTT_TOPIC_BASE_SUB "smartgarden/commands"
#define MQTT_TOPIC_BASE_PUB "smartgarden/updates"
#define MQTT_PATH_PUB MQTT_TOPIC_BASE_PUB "/" MQTT_DEVICE_ID "/"
#define MQTT_PATH_SUB MQTT_TOPIC_BASE_SUB "/#" 
// MQTT_DEVICE_ID "/#"

// PUBLISH FREQUENCY (MS)
#define FREQUENCY 5000 //30000

// moisture
extern void setupCapacitiveSoilMoistureSensor();
extern int readCapacitiveSoilMoistureSensor();

// light
extern void setupLightSensor();
extern float readLightSensorValue();

// temperature & humidity
extern void setupTemperatureSensor();
extern float readHumidity();
extern float readTemperature();

// mqtt & wifi
extern void setupConnections();
extern void publishMessage(const char *topic, const char *msg);

// RGB PWM LED
extern void setupPWM();
extern void setValueNM(int NM);
extern void getColorBasedOnValueNM(int valueNM);
extern void triggerLight();

// NTP Timestamps
void printTimestamp();
void setupNTP();
bool checkForDay();
int getCurrentHour();

// sensors
void readSensors();
void toggleValve();
void setSoilProperties(int FC, int PWP, int SAT);
void setupStore();
void setLightProperties(int NM, int minLX);
void restoreLightProbs();
void persistLightProps(int NM, int minLX);

void takeSemaphore();
void releaseSemaphore();