#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <Wire.h> // Library for I2C communication
#include <LiquidCrystal_I2C.h> // Library for LCD
#include <ESP32_MailClient.h>

const char* ssid = "Wokwi-GUEST";
const char* password = "";
const String apiKey = "32294d689f754a069dc25001232309";
const String writeApiKey = "63VW3WKRGX525MWH";
String serverName = "http://api.weatherapi.com/v1/current.json";
String thingSpeakServerName = "https://api.thingspeak.com/update";
LiquidCrystal_I2C lcd = LiquidCrystal_I2C(0x27, 20, 4);
//Your Domain name with URL path or IP address with path
const int relayPin = 19;
#define emailSenderAccount   "[email protected]"
#define emailSenderPassword  "tnma juwe nxxo tlym"
#define emailRecipient  "[email protected]"
#define smtpServer      "74.125.143.108" 
#define emailSubject  "NodeWifi32 Test"
#define smtpServerPort  465
SMTPData smtpData;

void writeToThingspeak(float temp, float humid, float windSpeed, float winDegree, float precip_mm){
  HTTPClient newHttp;
  String requestData = "api_key="+ writeApiKey +
  "&field1="+temp + 
  "&field2="+humid+
  "&field3="+windSpeed+
  "&field4="+winDegree+
  "&field5="+precip_mm;
  newHttp.begin(thingSpeakServerName);
  newHttp.addHeader("Content-Type", "application/x-www-form-urlencoded");
  int httpCode = newHttp.POST(requestData);
  newHttp.end();
}

void sendMail(){
  smtpData.setLogin(smtpServer, smtpServerPort, emailSenderAccount, emailSenderPassword);
  smtpData.setSender("NodeWifi32", emailSenderAccount);
  smtpData.setPriority("Rain");
  smtpData.setSubject(emailSubject);
  smtpData.setMessage("Đã có mưa", true);
  smtpData.addRecipient(emailRecipient);
  if (!MailClient.sendMail(smtpData)) {
    Serial.println("Error sending Email: " + MailClient.smtpErrorReason());
  }
  smtpData.empty();
}
void setup() {

  // put your setup code here, to run once:
  Serial.begin(115200);
  pinMode(relayPin,OUTPUT);
  WiFi.begin(ssid, password);
   lcd.init();
   lcd.backlight();
  
}

void loop() {
  if(WiFi.status()!= WL_CONNECTED)
    return;
  HTTPClient http;
  String serverPath = serverName + "?key=" + apiKey + "&q=Angiang&aqi=no";
  http.begin(serverPath);
  int httpCode = http.GET();
  if(httpCode == 200){
    DynamicJsonDocument doc(1024);
    String payload = http.getString();
    deserializeJson(doc, payload);
    String is_day = doc["current"]["condition"];
    String weatherText = doc["current"]["condition"]["text"];
    lcd.println(weatherText);
    Serial.println(is_day);
    int weatherCode = doc["current"]["condition"]["code"];
    double temperature = doc["current"]["temp_c"];
    double humid = doc["current"]["humidity"];
    double windSpeed = doc["current"]["wind_kph"];
    double windDegree = doc["current"]["wind_degree"];
    double precip = doc["current"]["precip_mm"];
    lcd.print("Temp: ");
    lcd.print(temperature);
    lcd.print("*C");
    if(weatherCode > 1150){ //Có mưa
        digitalWrite( relayPin, HIGH); //bơm nước ra
          sendMail();
    }
    if(temperature > 30){ //Nhiệt độ trên 30
       digitalWrite( relayPin, LOW); //bơm nước vô
       
    }
    writeToThingspeak(temperature,humid,windSpeed,windDegree,precip);
  }
  http.end();

  // put your main code here, to run repeatedly:
  delay(5000); // this speeds up the simulation
  lcd.clear();
}