/*
  Rui Santos
  Complete project details at https://RandomNerdTutorials.com/esp32-send-email-smtp-server-arduino-ide/

  Permission is hereby granted, free of charge, to any person obtaining a copy
  of this software and associated documentation files.

  The above copyright notice and this permission notice shall be included in all
  copies or substantial portions of the Software.
*/

#include "ESP32_MailClient.h"

// REPLACE WITH YOUR NETWORK CREDENTIALS
const char* ssid = "REPLACE_WITH_YOUR_SSID";
const char* password = "REPLACE_WITH_YOUR_PASSWORD";

// To send Email using Gmail use port 465 (SSL) and SMTP Server smtp.gmail.com
// YOU MUST ENABLE less secure app option https://myaccount.google.com/lesssecureapps?pli=1
#define emailSenderAccount    "[email protected]"
#define emailSenderPassword   "YOUR_EXAMPLE_EMAIL_PASSWORD"
#define emailRecipient        "[email protected]"
#define smtpServer            "smtp.gmail.com"
#define smtpServerPort        465
#define emailSubject          "ESP32 Test Email"

// The Email Sending data object contains config and data to send
SMTPData smtpData;

// Callback function to get the Email sending status
void sendCallback(SendStatus info);

int Led = 4;
int magnetic = 5;
int val;

void setup(){
  Serial.begin(115200);
  Serial.println();

  Serial.print("Connecting");

  WiFi.begin(ssid, password);
  while (WiFi.status() != WL_CONNECTED) {
    Serial.print(".");
    delay(200);
  }

  Serial.println();
  Serial.println("WiFi connected.");
  Serial.println();
  Serial.println("Preparing to send email");
  Serial.println();
}
void loop() {
  val=digitalRead(magnetic);
  if (val==HIGH){
    digitalWrite(Led, HIGH);
    Serial.println("Motion detected");
    sendEmail();
    delay(5000);
  }
}

void sendEmail(){
  // Set the SMTP Server Email host, port, account and password
  smtpData.setLogin(smtpServer, smtpServerPort, emailSenderAccount, emailSenderPassword);

  // For library version 1.2.0 and later which STARTTLS protocol was supported,the STARTTLS will be
  // enabled automatically when port 587 was used, or enable it manually using setSTARTTLS function.
  //smtpData.setSTARTTLS(true);

  // Set the sender name and Email
  smtpData.setSender("ESP32", emailSenderAccount);

  // Set Email priority or importance High, Normal, Low or 1 to 5 (1 is highest)
  smtpData.setPriority("High");

  // Set the subject
  smtpData.setSubject(emailSubject);

  // Set the message with HTML format
  smtpData.setMessage("<div style=\"color:#2f4468;\"><h1>H«Magnetic Reed Switch is HIGH</h1><p>- Sent from ESP32 board</p></div>", true);

  // Add recipients, you can add more than one recipient
  smtpData.addRecipient(emailRecipient);
  //smtpData.addRecipient("[email protected]");

  // Add attach files from SD card or SPIFFS
  // Comment the next two lines, if no SPIFFS files created or SD card connected

  smtpData.setSendCallback(sendCallback);

  //Start sending Email, can be set callback function to track the status
  if (!MailClient.sendMail(smtpData))
    Serial.println("Error sending Email, " + MailClient.smtpErrorReason());

  //Clear all data from Email object to free memory
  smtpData.empty();
}


// Callback function to get the Email sending status
void sendCallback(SendStatus msg) {
  // Print the current status
  Serial.println(msg.info());

  // Do something when complete
  if (msg.success()) {
    Serial.println("----------------");
  }
}