#include <SPI.h>
#include <Ethernet.h>
#include <LiquidCrystal.h>
#include <SD.h>

byte mac[] = { 0xAA, 0xBB, 0xCC, 0xDD, 0xEE, 0xFF };
byte ip[] = { 192, 168, 0, 31};
File myFile;

char current_char;
Server server(80);

LiquidCrystal lcd(9, 8, 5, 4, 3, 2);
void setup()
{
  Serial.begin(9600);
  pinMode(10, OUTPUT);
  lcd.begin(16, 2);

  Ethernet.begin(mac, ip);

  delay(1000);
  server.begin();
  Client client = server.available();
        myFile = SD.open("index.html");

        if (myFile) {
            while (myFile.available()) {
               Serial.println(myfile.read());
               client.write(myFile.read());
            }
        }

  Serial.println("setup finished");
}

void loop()
{
  String buffer = "";
  String requesturl = "";
  String buffers = "";
  Client client = server.available();
  if (client) {
    boolean currentLineIsBlank = true;
    while (client.connected()) {
      while(client.available()) {
        char c = client.read();
        if(requesturl == ""){
          buffer += c;
          if(c == '\n' && buffer.startsWith("GET")){
            requesturl = buffer.substring(12,buffer.length()-11);
            buffer = "";

            requesturl.replace('+',' ');
            requesturl.replace('%3F','?');
            requesturl.replace('%21','!');

            lcd.clear();
            if (requesturl.length() > 16){
               lcd.print(requesturl.substring(0,16));
               lcd.setCursor(0,1);
               lcd.print(requesturl.substring(16,requesturl.length()));
            }else{
              lcd.setCursor(0,0);
              lcd.print(requesturl);
            }
          }
        }

        if (c == '\n' && currentLineIsBlank) {

        } else if (c == '\n') {
          currentLineIsBlank = true;
        }
        else if (c != '\r') {
          currentLineIsBlank = false;
        }
      }
    }
  }
}