#include <WiFi.h>
#include "ThingSpeak.h"

const int PM25_PIN = 3;     // Analog pin for CO2 sensor
const int PM10_PIN = 4;     // Analog pin for NO2 sensor
const int O3_PIN = 5;      // Analog pin for CO sensor
const int NO2_PIN = 6;      // Analog pin for NO sensor
const int NH3_PIN = 7;     // Analog pin for NH3 sensor
const int SO2_PIN = 8;     // Analog pin for SO2 sensor

const char* WIFI_NAME = "Wokwi-GUEST";   // WiFi SSID
const char* WIFI_PASSWORD = "";  // WiFi Password

WiFiClient client;

void connectWiFi() {
  Serial.println("Connecting to WiFi...");
  WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
  while (WiFi.status() != WL_CONNECTED) {
    delay(1000);
    Serial.println("WiFi not connected");
  }
  Serial.println("WiFi connected!");
  Serial.println("Local IP: " + WiFi.localIP().toString());
}

void sendDataToThingSpeak(int channelNumber, const char* apiKey) {
  ThingSpeak.begin(client);
  
  int pm25Value = analogRead(PM25_PIN);
  int pm10Value = analogRead(PM10_PIN);
  int o3Value = analogRead(O3_PIN);
  int no2Value = analogRead(NO2_PIN);
  int nh3Value = analogRead(NH3_PIN);
  int so2Value = analogRead(SO2_PIN);

  int pm25MappedValue = map(pm25Value, 0, 4095, 0, 50);
  int pm10MappedValue = map(pm10Value, 0, 4095, 0, 50);
  int o3MappedValue = map(o3Value, 0, 4095, 0, 100);
  int no2MappedValue = map(no2Value, 0, 4095, 0, 250);
  int nh3MappedValue = map(nh3Value, 0, 4095, 0, 250);
  int so2MappedValue = map(so2Value, 0, 4095, 0, 500);

  Serial.println("PM2.5 Value: " + String(pm25MappedValue));
  Serial.println("PM10 Value: " + String(pm10MappedValue));
  Serial.println("O3 Value: " + String(o3MappedValue));
  Serial.println("NO2 Value: " + String(no2MappedValue));
  Serial.println("NH3 Value: " + String(nh3MappedValue));
  Serial.println("SO2 Value: " + String(so2MappedValue));

  ThingSpeak.setField(1, pm25MappedValue);
  ThingSpeak.setField(2, pm10MappedValue);
  ThingSpeak.setField(3, o3MappedValue);
  ThingSpeak.setField(4, no2MappedValue);
  ThingSpeak.setField(5, nh3MappedValue);
  ThingSpeak.setField(6, so2MappedValue);

  int status = ThingSpeak.writeFields(channelNumber, apiKey);

  if (status == 200) {
    Serial.println("Data pushed successfully");
  } else {
    Serial.println("Push error " + String(status));
  }

  Serial.println("---");
}

void setup() {
  Serial.begin(115200);
  connectWiFi();
}

void loop() {
  sendDataToThingSpeak(2497529, "K13FZD4HGV6CYFHC"); // Pass channel number and API key as arguments
  delay(10000);
}



// #include <WiFi.h>
// #include "ThingSpeak.h"

// const char* WIFI_NAME = "Wokwi-GUEST";   // WiFi SSID
// const char* WIFI_PASSWORD = "";  // WiFi Password

// const int myChannelNumber = 2497529;      // ThingSpeak channel number
// const char* myApiKey = "K13FZD4HGV6CYFHC"; // ThingSpeak API key

// WiFiClient client;

// void connectWiFi() {
//   Serial.println("Connecting to WiFi...");
//   WiFi.begin(WIFI_NAME, WIFI_PASSWORD);
//   while (WiFi.status() != WL_CONNECTED) {
//     delay(1000);
//     Serial.println("WiFi not connected");
//   }
//   Serial.println("WiFi connected!");
//   Serial.println("Local IP: " + WiFi.localIP().toString());
// }

// void sendDataToThingSpeak(int channelNumber, const char* apiKey) {
//   ThingSpeak.begin(client);
  
//   int pm25MappedValue = random(0, 101);
//   int pm10MappedValue = random(0, 101);
//   int o3MappedValue = random(0, 201);
//   int no2MappedValue = random(0, 501);
//   int nh3MappedValue = random(0, 501);
//   int so2MappedValue = random(0, 1001);

//   Serial.println("PM2.5 Value: " + String(pm25MappedValue));
//   Serial.println("PM10 Value: " + String(pm10MappedValue));
//   Serial.println("O3 Value: " + String(o3MappedValue));
//   Serial.println("NO2 Value: " + String(no2MappedValue));
//   Serial.println("NH3 Value: " + String(nh3MappedValue));
//   Serial.println("SO2 Value: " + String(so2MappedValue));

//   ThingSpeak.setField(1, pm25MappedValue);
//   ThingSpeak.setField(2, pm10MappedValue);
//   ThingSpeak.setField(3, o3MappedValue);
//   ThingSpeak.setField(4, no2MappedValue);
//   ThingSpeak.setField(5, nh3MappedValue);
//   ThingSpeak.setField(6, so2MappedValue);

//   int status = ThingSpeak.writeFields(channelNumber, apiKey);

//   if (status == 200) {
//     Serial.println("Data pushed successfully");
//   } else {
//     Serial.println("Push error " + String(status));
//   }

//   Serial.println("---");
// }

// void setup() {
//   Serial.begin(115200);
//   connectWiFi();
// }

// void loop() {
//   sendDataToThingSpeak(myChannelNumber, myApiKey);
//   delay(15000); // Wait 10 seconds before pushing next set of data
// }