// #include <Arduino.h>
// // #include <WiFi.h>
// #include <PubSubClient.h>
// #include <ArduinoJson.h>

// const char *ssid = "PET Aflytningsvogn #43";
// const char *password = "zwr33htm";

// const char *mqtt_server = "192.168.24.215";
// // const char *mqtt_server = "test.mosquitto.org";

// WiFiClient espClient;
// PubSubClient client(espClient);

// const int lm35_pin = 34; /* LM35 O/P pin */
// const int mic_pin = 35;
// const int light_pin = 32;
// const int motion_pin = 33;

// #define ADC_VREF_mV 3300.0 // in millivolt
// #define ADC_RESOLUTION 4096.0

// #define FILTER_LEN 15

// float readADC_Avg(int pin)
// {
//     float avg = analogRead(pin);
//     for (int i = 0; i < 10; i++)
//     {
//         avg = (avg + analogRead(pin)) / 2;
//         delay(20);
//     }
//     return avg;
// }

// void setup_wifi()
// {
//     delay(10);
//     // We start by connecting to a WiFi network
//     Serial.println();
//     Serial.print("Connecting to ");
//     Serial.println(ssid);

//     WiFi.begin(ssid, password);

//     while (WiFi.status() != WL_CONNECTED)
//     {
//         delay(500);
//         Serial.print(".");
//     }

//     Serial.println("");
//     Serial.println("WiFi connected");
//     Serial.println("IP address: ");
//     Serial.println(WiFi.localIP());
// }

// void reconnect()
// {
//     // Loop until we're reconnected
//     while (!client.connected())
//     {
//         Serial.print("Attempting MQTT connection...");
//         // Attempt to connect
//         if (client.connect("ESP8266Client"))
//         {
//             Serial.println("connected");
//         }
//         else
//         {
//             Serial.print("failed, rc=");
//             Serial.print(client.state());
//             Serial.println(" try again in 5 seconds");
//             // Wait 5 seconds before retrying
//             delay(5000);
//         }
//     }
// }

// void setup()
// {
//     Serial.begin(115200);
//     pinMode(lm35_pin, INPUT);
// 	pinMode(mic_pin, INPUT);
// 	pinMode(light_pin, INPUT);
// 	pinMode(motion_pin, INPUT);

// 	pinMode(13, OUTPUT);
//     digitalWrite(13, HIGH);

//     setup_wifi();
//     client.setServer(mqtt_server, 1883);
// }

// #define SOUND_MEASURE_INTERVAL 1000 * 10
// #define SOUND_HIGHEST_MEASURE_INTERVAL 200
// #define TEMP_MEASURE_INTERVAL 1000 * 10

// unsigned long previousTemperatureMillis = 0;
// unsigned long previousSoundMillis = 0;
// unsigned long previousHighestSoundMillis = 0;

// bool lastMotionState;

// uint16_t highestSound = 0;
// uint16_t runningAverageSound = 0;

// int j = 0;

// void loop()
// {
//     client.loop();
//     if (!client.connected())
//     {
//         reconnect();
//     }
//     j++;

//     unsigned long currentMillis = millis();

//     if (currentMillis - previousTemperatureMillis >= TEMP_MEASURE_INTERVAL)
//     {
//         // save the last time you blinked the LED
//         previousTemperatureMillis = currentMillis;

//         analogSetClockDiv(255);

//         float analogValueTemp = readADC_Avg(lm35_pin);
//         float analogValueLight = readADC_Avg(light_pin);

//         analogSetClockDiv(1);

//         float millivolts = analogValueTemp * (ADC_VREF_mV / ADC_RESOLUTION) * 2;
//         // float millivolts = analogReadMilliVolts(lm35_pin);
//         float celsius = millivolts / 10; // 6.5 is the callibration offset measured using an oscilliscope
//         Serial.print("raw= ");
//         Serial.print(analogValueTemp);
//         Serial.print(" in DegreeC= ");
//         Serial.println(celsius);

//         DynamicJsonDocument docTemp(1024);

//         docTemp["device"] = "esp32-1";
//         docTemp["type"] = "temperature";
//         docTemp["value"] = celsius;

//         char bufferTemp[1024];
//         size_t bufferTempSize = serializeJson(docTemp, bufferTemp);
//         client.publish("esp32/data", bufferTemp, bufferTempSize);

//         Serial.print("Light: ");
//         Serial.println(analogValueLight);

//         DynamicJsonDocument docLight(1024);

//         docLight["device"] = "esp32-1";
//         docLight["type"] = "light";
//         docLight["value"] = analogValueLight;

//         char bufferLight[1024];
//         size_t bufferLightSize = serializeJson(docLight, bufferLight);
//         client.publish("esp32/data", bufferLight, bufferLightSize);
//     }

//     uint16_t soundValue = analogRead(mic_pin);

// 	if (soundValue > highestSound) {
// 		highestSound = soundValue;
// 	}

//     if (currentMillis - previousHighestSoundMillis >= SOUND_HIGHEST_MEASURE_INTERVAL)
// 	{
// 		previousHighestSoundMillis = currentMillis;

// 		if (runningAverageSound == 0)
// 		{
// 			runningAverageSound = highestSound;
// 		}
// 		else
// 		{
// 			runningAverageSound = (runningAverageSound + highestSound) / 2;
// 		}

// 		highestSound = 0;
// 	}

//     if (currentMillis - previousSoundMillis >= SOUND_MEASURE_INTERVAL)
//     {
// 		previousSoundMillis = currentMillis;

//         Serial.print(j);
//         Serial.print(": sound: ");
// 		Serial.println(runningAverageSound);

//         DynamicJsonDocument doc(1024);

//         doc["device"] = "esp32-1";
//         doc["type"] = "sound";
//         doc["value"] = runningAverageSound;

//         char buffer[1024];
//         size_t n = serializeJson(doc, buffer);
//         client.publish("esp32/data", buffer, n);

// 		runningAverageSound = 0;
//         j = 0;
// 	}

//     bool motionState = digitalRead(motion_pin);

//     if (lastMotionState != motionState) {
//         Serial.print("Motionstate: ");
// 		Serial.println(motionState);

//         DynamicJsonDocument doc(1024);

//         doc["device"] = "esp32-1";
//         doc["type"] = "motion";
//         doc["value"] = motionState;

//         char buffer[1024];
//         size_t n = serializeJson(doc, buffer);
//         client.publish("esp32/data", buffer, n);

//         lastMotionState = motionState;
//     }
// }