/* GR-PEACH Sketch Template V2.01 */

#include <Arduino>

#include "mbed.h"

#include "TCPSocket.h"

#include "ESP8266Interface.h"



#define WIFI_SSID "0_402SH8415276"  //wifi 

#define WIFI_PASSWORD "iida310ru"  //wifi pasword

#define IFTTT_EVENT "peach"

#define IFTTT_KEY "bgSuQ4zNXIOLLKzUiXzx2r"



bool ifttt_get(const char* event, const char* key);

bool ifttt_post(const char* event, const char* key, char* value1);

void led_blink(int pin, int num);

ESP8266Interface* wifi_handle;



void setup(){

  static ESP8266Interface wifi(P5_0, P5_1);



  Serial.begin(9600);

  pinMode(PIN_LED_RED, OUTPUT);

  pinMode(PIN_LED_GREEN, OUTPUT);

  pinMode(PIN_LED_BLUE, OUTPUT);



  Serial.println("IFTTT example with ESP8266");

  Serial.print("Connecting to ");

  Serial.println(WIFI_SSID);



  int error = wifi.connect(WIFI_SSID, WIFI_PASSWORD, NSAPI_SECURITY_WPA_WPA2);

  if (error != false) {

    Serial.println("Connection error");

    digitalWrite(PIN_LED_RED, HIGH);

    while(1);

  }



  Serial.println("Success");

  led_blink(PIN_LED_GREEN, 3);



  Serial.print("MAC");

  Serial.println(wifi.get_mac_address());

  Serial.print("IP");

  Serial.println(wifi.get_ip_address());



  wifi_handle = &wifi;

}



void loop(){

  const char event[] = IFTTT_EVENT;

  const char key[] = IFTTT_KEY;



  char c[6] = "PEACH";

  

  if(ifttt_post(event, key, c)) {

    Serial.println("Done to get.");

    led_blink(PIN_LED_BLUE, 3);

  }



  while(1);



}



bool ifttt_get(const char* event, const char* key){

  TCPSocket socket;



  socket.open(wifi_handle);

  socket.connect("maker.ifttt.com", 80);



  String send_buf("GET /trigger/");

  send_buf += event;

  send_buf += "/with/key/";

  send_buf += key;

  send_buf += " ";

  send_buf += "HTTP/1.1\r\n";

  send_buf += "Host: maker.ifttt.com\r\n";

  send_buf += "Connection: close\r\n\r\n";

  Serial.println(send_buf.c_str());



  int scount = socket.send(send_buf.c_str(), send_buf.length());

  if(scount < 0) return false;

  Serial.print("[Send Count]: ");

  Serial.println(scount);



  // Recieve a simple http response and print out the response line

  char receive_buffer[100];

  int rcount = socket.recv(receive_buffer, sizeof(receive_buffer));

  if(rcount < 0) return false;



  for(int i = 0; i < rcount; i++){

    Serial.print(receive_buffer[i]);

  }

  Serial.println();

  Serial.print("[Receive Count]: ");

  Serial.println(rcount);



  // Close the socket to return its memory and bring down the network interface

  socket.close();

  return true;



}



bool ifttt_post(const char* event, const char* key, char* value1){

  TCPSocket socket;



  socket.open(wifi_handle);

  socket.connect("maker.ifttt.com", 80);



  String header, contents;



  contents = "{\"value1\" : \"";

  contents += value1;

  contents += "\"}\r\n";

  contents += "\r\n";



  header = "POST /trigger/";

  header += event;

  header += "/with/key/";

  header += key;

  header += " ";

  header += "HTTP/1.1\r\n";

  header += "Host: maker.ifttt.com\r\n";

  header += "Content-Type: application/json\r\n";

  header += "Connection: close\r\n";

  header += "Content-Length:";

  header += contents.length();

  header += "\r\n";

  header += "\r\n";



  header += contents;

  

  Serial.println(header.c_str());



  int scount = socket.send(header.c_str(), header.length());

  if(scount < 0) return false;

  Serial.print("[Send Count]: ");

  Serial.println(scount);



  // Recieve a simple http response and print out the response line

  char receive_buffer[100];

  int rcount = socket.recv(receive_buffer, sizeof(receive_buffer));

  if(rcount < 0) return false;



  for(int i = 0; i < rcount; i++){

    Serial.print(receive_buffer[i]);

  }

  Serial.println();

  Serial.print("[Receive Count]: ");

  Serial.println(rcount);



  // Close the socket to return its memory and bring down the network interface

  socket.close();

  return true;

}





void led_blink(int pin, int num){

  pinMode(pin, OUTPUT);

  for(int i = 0; i < num; i++){

    digitalWrite(pin, HIGH);

    delay(200);

    digitalWrite(pin, LOW);

    delay(200);

  }

}