/*
  Idea by Schuppeste@googlemail.com
  Sources: https://github.com/schuppeste/Sofaleds
  Space: http://www.hackaday.io/Schuppeste
*/
#include <ESP8266WiFi.h>
#include <ESP8266WebServer.h>
#include <ArduinoJson.h>
#include "FS.h"
#include "Time.h"
#include "TimeLib.h"
#include <SoftwareSerial.h>
#include <Wire.h>
#include "RTClib.h"

RTC_DS3231 rtc;
int SS_TXPin = D5;
int BWM_Pin = D7;

SoftwareSerial Serial1t(SW_SERIAL_UNUSED_PIN, SS_TXPin);
ESP8266WebServer server(80);

int citycount = 0;
int myintervall = 60;
int mymethod = 0;
const char signMessage[] PROGMEM = { };
long mainconfig[10] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
String citys[20] = { "", "", "", "", "", "", "", "", "", "", "", "", "", "", "",
                     "", "", "", "", ""
                   };
long gmt[20] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
int dst[20] = { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 };
String ssid = "";
String key = "";
String ip = "";
int waiting = 1000;
String NTPurl = "";
String setRow1 = "";
String setRow2 = "";
String olddate = "";
int col = 0;
int steps = 0;
int cursor1 = -1;
int cursor2 = -2;
int cursor3 = -3;

boolean updated = false;
boolean startanim = false;
unsigned long lastupdate = millis();

byte helper1[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09,
                   0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, 0x10, 0x11, 0x12, 0x13
                 };
byte helper2[] = { 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D,
                   0x1E, 0x1F, 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27
                 };
IPAddress local_IP(192, 168, 4, 22);
IPAddress gateway(192, 168, 4, 9);
IPAddress subnet(255, 255, 255, 0);
boolean startAP = false;
int tzoffset = 0;

void setup() {
  pinMode(D7, INPUT);
  if (!rtc.begin()) {
    Serial.println("Couldn't find RTC");
    while (1)
      ;
  }

  int apstatus = HIGH;
  Serial.begin(9600);
  if (!SPIFFS.begin()) {
    Serial.println("Failed to mount file system");
  } else if (loadConfig()) {
  }
  WiFi.hostname("weltuhr");
  Serial.println(ssid + key);
  if (ssid == "" || key == "" || apstatus == LOW) {
    WiFi.softAP("weltuhr", "weltuhr"); //Create Access Point
    WiFi.softAPConfig(local_IP, gateway, subnet);
  } else {
    WiFi.begin((const char*) ssid.c_str(), (const char*) key.c_str());
    while (WiFi.status() != WL_CONNECTED) {
      delay(500);
    }
  }
  server.on("/", handleRoot);
  server.on("/index.html", handleRoot);
  server.serveStatic("/config.json", SPIFFS, "/config.json");
  server.serveStatic("/stylesheet.css", SPIFFS, "/stylesheet.css");
  server.begin(); //Start the server
  startAP = true;
  waiting = mainconfig[0];
  myintervall = mainconfig[1];

  Serial1t.begin(9600);
  Serial1t.write(0x1B);
  Serial1t.write(0x05);
  Serial1t.write(0x1B);
  Serial1t.write(0x0A);
  Serial1t.write(0x1B);
  Serial1t.write(0x17);
  Serial1t.write(mainconfig[6] + 1);
  //WiFi.mode(WIFI_OFF);
  if (myintervall == 0)
    myintervall = 60 * 1000;
  setSyncProvider (rtcsync);
  setSyncInterval(500);
}

boolean first = true;
boolean waitprogress = false;
unsigned long lastwaitprogress = 0;
boolean updatewaitprogress = false;
unsigned long lastupdatewaitprogress = 0;
boolean cyclewaitprogress = false;
unsigned long lastcyclewaitprogress = 0;
boolean screensaver = false;
unsigned long lastscreensaver = 0;
int cycles = 0;
int cityscount = 0;
unsigned long speedupdate = 200;
boolean bwm_active = false;
void loop() {
  unsigned long current  Millis = millis();
  int tempbwm = digitalRead(D7);
  if ((tempbwm == HIGH && screensaver ) || (tempbwm == HIGH && cyclewaitprogress)) {
    lastscreensaver = currentMillis;
    screensaver = false;
    cyclewaitprogress = false;
     Serial1t.write(0x1B);
      Serial1t.write(0x05);
    Serial.println("BWM");
  }
  //Between Cities
  if (currentMillis - lastwaitprogress >= (myintervall * 1000) || first) {
    lastwaitprogress = currentMillis;
    waitprogress = false;
  }
  //update
  if (currentMillis - lastupdatewaitprogress >= speedupdate) {
    lastupdatewaitprogress = currentMillis;
    updatewaitprogress = false;
  }
  //Between Cycle Wait
  if (currentMillis - lastcyclewaitprogress >= mainconfig[...