/////////////////////////////////
// Generated with a lot of love//
// with TUNIOT FOR ESP8266     //
// Website: Easycoding.tn      //
/////////////////////////////////
// Antenna End of board
  // A0=ADCO            // D0=GPIO16 & USER & Wake Onboard LED
  // RESERVED           // D1 GPIO5
  // RESERVED           // D2 GPIO4
  // SD3= GPIO10        // D3=GPIO0 & FLASH
  // SD2= GPIO9         // D4=GPIO2 & TXD1 Onboard LED
  // SD1=MOSI & SDD1    // 3.3V=3.3V
  // CMD=CS & SDCMD     // GND=GND
  // SD0=MISO & SDD0    // D5=GPIO14 & HSCLK
  // CLK=SCLK & SDCLK   // D6=GPIO12 & HMISO
  // GND=GND            // D7=GPIO13 & RXD2 &HMOSI
  // 3V3=3.3V           // D8=GPIO15 & TXD2 & HCS
  // EN=EN              // RX=GPIO3 & RXD0
  // RST=RST            // TX=GPIO1 & TXD0
  // GND=GND            // GND=GND
  // Vin=Vin            // 3V3=3.3V
#include <ESP8266WiFi.h>
#include <TimeLib.h>
#include <WiFiUdp.h>
//USE GPIO 5 for this example =D1
String  ClientRequest;
IPAddress staticIP707_10(192,168,86,10);
IPAddress gateway707_10(192,168,86,1);
IPAddress subnet707_10(255,255,255,0);

WiFiServer server(80);
int MT;
int DY;
int YR;
int HR;
int MN;
int SC;
int WD;
int BP;
//int MN_Timer;
//int storeMins;
//int timerMinsSet;
////////////////////////////////////////////////
int setHR = 9;//START TIMER AT THIS HOUR
int setMN = 59;//TURN OFF GPIO PIN WHEN THIS INTERGER IS EXCEEDED
int setDY;
///////////////////////////////////////////////
int dur_Timer_MN = setMN + 1;
int output5;
char ntpServerName[] = "us.pool.ntp.org";
int timeZone = -7;
WiFiUDP Udp;
unsigned int localPort = 8888;
time_t getNtpTime();

void printDigits(int digits);
void sendNTPpacket(IPAddress &address);
int digitalClockDisplay(char m){
int interm;

if (m=='h'){
interm=hour();
return interm;
}
if (m=='m'){
interm=minute();
return interm;
}
if (m=='s'){
interm=second();
return interm;
}
if (m=='j'){
interm=day();
return interm;
}
if (m=='n'){
interm=month();
return interm;
}
if (m=='y'){
interm=year();
return interm;
}
if (m=='w'){
interm=weekday();
return interm;
}
}

 /*-------- NTP code ----------*/
const int NTP_PACKET_SIZE = 48; // NTP time is in the first 48 bytes of message
byte packetBuffer[NTP_PACKET_SIZE]; //buffer to hold incoming & outgoing packets
time_t getNtpTime()
{
IPAddress ntpServerIP; // NTP server's ip address
while (Udp.parsePacket() > 0) ; // discard any previously received packets
Serial.println("Transmit NTP Request");
// get a random server from the pool
WiFi.hostByName(ntpServerName, ntpServerIP);
Serial.print(ntpServerName);
Serial.print(":");
Serial.println(ntpServerIP);
sendNTPpacket(ntpServerIP);
uint32_t beginWait = millis();
while (millis() - beginWait < 1500) {
int size = Udp.parsePacket();
if (size >= NTP_PACKET_SIZE) {
Serial.println("Receive NTP Response");
Udp.read(packetBuffer, NTP_PACKET_SIZE);  // read packet into the buffer
unsigned long secsSince1900;
// convert four bytes starting at location 40 to a long integer
secsSince1900 =  (unsigned long)packetBuffer[40] << 24;
secsSince1900 |= (unsigned long)packetBuffer[41] << 16;
secsSince1900 |= (unsigned long)packetBuffer[42] << 8;
secsSince1900 |= (unsigned long)packetBuffer[43];
return secsSince1900 - 2208988800UL + timeZone * SECS_PER_HOUR;
}
}
Serial.println("No NTP Response :-(");
return 0; // return 0 if unable to get the time
}
void sendNTPpacket(IPAddress &address)
{
memset(packetBuffer, 0, NTP_PACKET_SIZE);
packetBuffer[0] = 0b11100011;   // LI, Version, Mode
packetBuffer[1] = 0;     // Stratum, or type of clock
packetBuffer[2] = 6;     // Polling Interval
packetBuffer[3] = 0xEC;  // Peer Clock Precision
packetBuffer[12] = 49;
packetBuffer[13] = 0x4E;
packetBuffer[14] = 49;
packetBuffer[15] = 52;
Udp.beginPacket(address, 123); //NTP requests are to port 123
Udp.write(packetBuffer, NTP_PACKET_SIZE);
Udp.endPacket();

}

void setup()

{
  ClientRequest = "";
  pinMode(2, OUTPUT);


//digitalWrite(5,HIGH);//initialize pin it might be on by default
Serial.begin(115200);
  WiFi.disconnect();
  delay(3000);
  Serial.println("START");
   WiFi.begin("xxxxxx","xxxxxxxxxxx");
  while ((!(WiFi.status() == WL_CONNECTED))){
    delay(300);
    Serial.print("..");
BP=0;
pinMode(5,OUTPUT);
digitalWrite(output5, HIGH);
  }
  Serial.println("Connected");
  WiFi.config(staticIP707_10, gateway707_10, subnet707_10);
  Serial.println("Your IP is");
  Serial.println((WiFi.localIP().toString()));
  
  server.begin();

Udp.begin(localPort);
setSyncProvider(getNtpTime);
setSyncInterval(300); 
}


void loop()
{
  delay(5000);
  Serial.println();
  (MT=digitalClockDisplay('n'));
  (DY=digitalClockDisplay('j'));
  (YR=digitalClockDisplay('y'));
  
  (HR=digitalClockDisplay('h'));
  (MN=digitalClockDisplay('m'));
  (SC=digitalClockDisplay('s'));
  (WD=digitalClockDisplay('w'));
  Serial.print(MT);
  Serial.print('-');
  Serial.print(DY);
  Serial.print('-');
  Serial.println(YR);
  Serial.print(HR);
  Serial.print(':');
  Serial.print(MN);
  Serial.print(':');
  Serial.println(SC);
  Serial.print("Weekday ");
  Serial.println(WD);
  Serial.println(" ");
  delay(300);
  Serial.println(BP);
  ////////////////////////////////////////////////////////////
  
  if (WD == 1 ) {
    Serial.println("Its Sunday");
    delay(300);
  }
  
  if (WD == 3 || (WD == 5 || WD == 7)) {
    Serial.println("Not a watering day");
    delay(300);
  }
  //BP is Button Pressed and can be either 1 or 0
  //if the button is pressed it will set if statement to
  //false and move onto else portion turn off valve
  if (BP == 0 && (WD == 2 || (WD == 4 || WD == 6))) {
    Serial.println("Allows entry to timer setting");
   }
  
      if (HR == setHR && MN < dur_Timer_MN && BP==0) {
        Serial.println("Turn on water valve");
        digitalWrite(2,HIGH);
        delay(300);
      } else {
        Serial.println("Turn off water valve");
        digitalWrite(2,LOW);
        delay(300);
      }
  
  
  //////////////////////////////////////////////////////////

    WiFiClient client = server.available();
    if (!client) { return; }
    while(!client.available()){  delay(1); }
    ClientRequest = (client.readStringUntil('\r'));
    client.flush();
    //////////////////////////////////////////////
    //Added May 8 2018 at 7:33 AM
   //////////////////////////////////////////////
    if (ClientRequest.indexOf("LED=ON") > 0) {
      //digitalWrite(16,HIGH);
      BP=1;
      Serial.println(BP=1);

    }
    if (ClientRequest.indexOf("LED=OFF") > 0) {
     // digitalWrite(16,LOW);
     BP=0;
     Serial.println(BP=0);
    }
    //////////////////////////////////////////////
    //Added May 8 2018 at 7:33 AM
   //////////////////////////////////////////////
   
   /////////////////////////////////////////////
   //Web page section Beginning
   ////////////////////////////////////////////
   client.println("HTTP/1.1 200 OK");
    client.println("Content-Type: text/html");
    client.println("");
    client.println("<!DOCTYPE HTML>");
    client.println("<html>");
 
    client.println("<head>");
    client.println("</head>");
  
    client.println("<body>");
      client.println("<h1 style=""color:#ff0000"">");
      client.println("ON or OFF if Timer is running");
      client.println("<h1 style=""color:#ff0000"">");
      client.println(" IP Address is : 192.168.86.10");
      client.println("<h1 style=""color:#ff0000"">");
      client.println(BP);
      client.println("<h1 style=""color:#ff0000"">");
      client.println("Current time is ");
      client.println(HR);
      client.println(":");
      client.println(MN);
      client.println(":");
      client.println(SC);
      client.println("<h1 style=""color:#ff0000"">");
      client.println("Duration of watering ");
      client.println(dur_Timer_MN);
      client.println("</h1>");

      
    
      client.println("<a href=");
      client.println("LED=ON");
      client.println("><button>");
      client.println("ON");
      client.println("</button></a>");
    
      client.println("<a href=");
      client.println("LED=OFF");
      client.println("><button>");
      client.println("OFF");
      client.println("</button></a>");
    
    client.println("</body>");
    client.println("</html>");
    client.stop();
     delay(1);
  /////////////////////////////////////////////
   //Web page section END
   //////////////////////////////////////////// 
}