#include <WiFi.h>
#include <HTTPClient.h>
#include <ArduinoJson.h>
#include <Adafruit_NeoPixel.h>
#include <Adafruit_ILI9341.h>




const char* ssid = "Wokwi-GUEST";
const char* password = "";

//#define BTN_PIN 5
#define TFT_DC 2 //TFT is screen
#define TFT_CS 15
Adafruit_ILI9341 tft = Adafruit_ILI9341(TFT_CS, TFT_DC);

#ifdef __AVR__
 #include <avr/power.h> // Required for 16 MHz Adafruit Trinket
#endif

#define PIN 21
#define PIN2 22
#define NUMPIXELS 16
Adafruit_NeoPixel pixels(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);
Adafruit_NeoPixel pixelTime(NUMPIXELS, PIN2, NEO_GRB + NEO_KHZ800);


String APP_ID = "b04f89cb-1cdd-440d-9375-816d794f0aab";
String APP_KEY = "62e76176-335a-4bc7-a147-5389199a9811";
String Refresh_Token = "OAUTH2.eyJraWQiOiJkZ0x3cjNRMCIsImFsZyI6IkhTMjU2In0.eyJkYXRhIjoie1wiaWRcIjpcImM2ZjQyNmE1LTU2YjUtNDlmNi1iZjI1LThjYWJhODEzNzZlNVwifSIsImlhdCI6MTY3MjkyODUxMCwiZXhwIjoxNzM2MDAwNTEwfQ.83ioKIFckOLe4UhcTFSDMI1MaJvUpp2AC8apNz9Ed-g";
String Studio_ScheduleID = "0f74afb2-70af-484e-a51d-9adc4271e61a";
String querybookingUrl = "http://www.wixapis.com/bookings/v1/bookings/query";
const String authorizationUrl = "https://www.wixapis.com/oauth/access";
String databody = "{\"grant_type\":\"refresh_token\",\"client_id\":\"b04f89cb-1cdd-440d-9375-816d794f0aab\",\"client_secret\":\"62e76176-335a-4bc7-a147-5389199a9811\",\"refresh_token\":\"OAUTH2.eyJraWQiOiJkZ0x3cjNRMCIsImFsZyI6IkhTMjU2In0.eyJkYXRhIjoie1wiaWRcIjpcImM2ZjQyNmE1LTU2YjUtNDlmNi1iZjI1LThjYWJhODEzNzZlNVwifSIsImlhdCI6MTY3MjkyODUxMCwiZXhwIjoxNzM2MDAwNTEwfQ.83ioKIFckOLe4UhcTFSDMI1MaJvUpp2AC8apNz9Ed-g\"}";
const String databody2 = "grant_type=refresh_token&client_id=b04f89cb-1cdd-440d-9375-816d794f0aab&client_secret=62e76176-335a-4bc7-a147-5389199a9811&refresh_token=OAUTH2.eyJraWQiOiJkZ0x3cjNRMCIsImFsZyI6IkhTMjU2In0.eyJkYXRhIjoie1wiaWRcIjpcImM2ZjQyNmE1LTU2YjUtNDlmNi1iZjI1LThjYWJhODEzNzZlNVwifSIsImlhdCI6MTY3MjkyODUxMCwiZXhwIjoxNzM2MDAwNTEwfQ.83ioKIFckOLe4UhcTFSDMI1MaJvUpp2AC8apNz9Ed-g";
String timeUrl = "http://worldtimeapi.org/api/timezone/Europe/Paris";


unsigned long lastTime = 0;
unsigned long timerDelay = 10000;
String dateTime = " ";
int hour = 0;
int minute = 0;
int timeSlot = 0;
int bookSlot = 0;
int bookingCount = 0;


//getting the authentication

String getToken() {
 
  String json;

  //WiFiClient client;
  HTTPClient http;
  //http.useHTTP10(true);

  http.begin(authorizationUrl);
  http.addHeader("Content-Type", "application/json");

  const size_t CAPACITY = JSON_OBJECT_SIZE(4);
  StaticJsonDocument<CAPACITY> doc;

  JsonObject object = doc.to<JsonObject>();
  object["grant_type"]="refresh_token";
  object["client_id"]="b04f89cb-1cdd-440d-9375-816d794f0aab";
  object["client_secret"] = "62e76176-335a-4bc7-a147-5389199a9811";
  object["refresh_token"] =  "OAUTH2.eyJraWQiOiJkZ0x3cjNRMCIsImFsZyI6IkhTMjU2In0.eyJkYXRhIjoie1wiaWRcIjpcImM2ZjQyNmE1LTU2YjUtNDlmNi1iZjI1LThjYWJhODEzNzZlNVwifSIsImlhdCI6MTY3MjkyODUxMCwiZXhwIjoxNzM2MDAwNTEwfQ.83ioKIFckOLe4UhcTFSDMI1MaJvUpp2AC8apNz9Ed-g";

  serializeJson(doc, json);

 int httpResponseCode = http.POST(json);
  

 
if(httpResponseCode > 0)
{ 
  String result = http.getString();

  //const size_t CAPACITY2 = JSON_OBJECT_SIZE(2);
  DynamicJsonDocument doc2(ESP.getMaxAllocHeap());

  DeserializationError error = deserializeJson(doc2, result);

  if(error)
  {
    Serial.println(error.f_str());
    return error.f_str() ; 

  }else
  {
    JsonObject object2 = doc2.as<JsonObject>();

    String accessToken = object2["access_token"].as<String>();

    return accessToken;

  }
  http.end();
 
}else
{
  http.end();
  String response = " error";
  return response;
}


}



//getting the booking 

float* getBooking(String access_token, String apiDate){
  
  
  
  String json2;

  HTTPClient http2;


  http2.begin(querybookingUrl);
  http2.addHeader("Authorization", access_token);

  StaticJsonDocument<256> doc3;

  JsonObject object3 = doc3["query"].createNestedObject("filter");
  object3 ["scheduleId"] = Studio_ScheduleID;

  JsonArray andArray = object3.createNestedArray("$and");
  JsonObject object0 = andArray.createNestedObject();
  object0 ["status"]= "CONFIRMED";
  String cStart = apiDate + "08:00:00Z";
  String cEnd = apiDate +  "20:00:00Z";

  const char* charStart = cStart.c_str();
  const char* charEnd = cEnd.c_str();
  //tft.println(c);
  object0 ["startTime"]["$gte"] = charStart;
  andArray[1] ["endTime"]["$lte"] = charEnd;
  tft.setTextColor(ILI9341_RED);

  serializeJson(doc3, json2);

  int httpResponseCode2 = http2.POST(json2);

  float* bookingTimes = new float[24];
 
  if(httpResponseCode2 > 0)
  { 
    String result2 = http2.getString();


    DynamicJsonDocument doc4(ESP.getMaxAllocHeap());

    DeserializationError error2 = deserializeJson(doc4, result2);

    if(error2)
    {
     Serial.println(error2.f_str());
     bookingTimes[0] = 1.0101;
     //return bookingTimes; 

    }else
    {
     JsonObject object4 = doc4.as<JsonObject>();
     
     int count = object4["pagingMetadata"]["count"];
     bookingCount = count;

       tft.setTextColor(ILI9341_GREEN);
    //  tft.println(count);

     for(int i=0 ; i<count; i++)
     {
      String bookingStart = object4["bookingsEntries"][i]["booking"]["bookedEntity"]["singleSession"]["start"];
      String booking = bookingStart.substring(11,16);
     
     String hourString = booking.substring(0, 2);
     String minuteString = booking.substring(3, 5);
     float bookHour = hourString.toFloat();
     float bookMinute = minuteString.toFloat();
     float time = bookHour + (bookMinute/100) + 1.0;
     
     bookingTimes[i] = time;
     //tft.println(bookingTimes[i]);
     }

    }
  
 
  }else
  {
    bookingTimes[0]=0.1010;
    //return debug;
  }

  
  
  return bookingTimes;

  http2.end();

}

//Getting the current date 
String getDate(){

  HTTPClient http3;
  http3.begin(timeUrl.c_str());

  int httpResponseCode3 = http3.GET();

  if(httpResponseCode3 > 0){

     
    String date = http3.getString();

    DynamicJsonDocument doc5(ESP.getMaxAllocHeap());

    DeserializationError error3 = deserializeJson(doc5, date);

    if(error3)
    {
     Serial.println(error3.f_str());
     return error3.f_str() ; 

    }else
    {
    JsonObject object5 = doc5.as<JsonObject>();

    String datetime = object5["datetime"];
    String sliced_date = datetime.substring(11, 16);
    String date = datetime.substring(0, 11);
    //tft.println(sliced_date);
    hour = sliced_date.substring(0, 2).toInt();
    minute = sliced_date.substring(3, 5).toInt();
    //tft.println(hour);
    //tft.println(minute);
 
    //tft.setTextColor(ILI9341_RED);
    //tft.println(date.c_str());

    return date.c_str();
    }
 
  }else{

    const char* dateError = "can't connect to date api";
    return dateError;

  }

  http3.end();

  
}


int* nextData() {
  tft.setTextColor(ILI9341_WHITE);


  String token = getToken();
  String date = getDate(); //update hour and minute at the same time
  float* ptr = getBooking(token, date);


  

  //tft.setTextColor(ILI9341_GREEN);// turn greeeeeennn!!!

 
  if(hour == 8 )
  {
    if(minute < 30) timeSlot = 0;
    else timeSlot = 1 ;
  }else if(hour == 9 )
  {
    if(minute < 30) timeSlot = 2;
    else timeSlot = 3;
  }else if(hour == 10 )
  {
    if(minute < 30) timeSlot = 4 ;
    else timeSlot = 5 ;
  }else if(hour == 11 )
  {
    if(minute < 30) timeSlot = 6 ;
    else timeSlot = 7;
  }else if(hour == 12 )
  {
    if(minute < 30) timeSlot = 8;
    else timeSlot = 9 ;
  }else if(hour == 13 )
  {
    if(minute < 30) timeSlot = 10;
    else timeSlot = 11 ;
  }else if(hour == 14 )
  {
    if(minute < 30) timeSlot = 12 ;
    else timeSlot = 13 ;
  }else if(hour == 15 )
  {
    if(minute < 30) timeSlot = 14 ;
    else timeSlot = 15 ;
  }else if(hour == 16 )
  {
    if(minute < 30) timeSlot = 16;
    else timeSlot = 16 ;
  }else if(hour == 17 )
  {
    if(minute < 30) timeSlot = 16 ;
    else timeSlot = 16;
  }else if(hour == 18 )
  {
    if(minute < 30) timeSlot = 16;
    else timeSlot = 16 ;
  }else if(hour == 19 )
  {
    if(minute < 30) timeSlot = 16 ;
    else timeSlot = 16;
  }else
  {
    timeSlot = 25;
  }
  
  // tft.setTextColor(ILI9341_GREEN);
  // for(int i=0; i< sizeof(ptr); i++)
  // {
  //   tft.println(ptr[i]);
  // }


  int* bslots = new int[24];
  float tolerance = 0.1;
  //int slotCount = sizeof(ptr) / sizeof(ptr[0]);// sizeof array in c++ is not the length!!!! it is the memory


  for(int i=0; i< bookingCount;i++)
  {
    
    
    if(abs(ptr[i]-8.00) < tolerance) bslots[i] = 0;
    else if(abs(ptr[i]-8.30) < tolerance) bslots[i] = 1.;
    else if(abs(ptr[i]-9.00) < tolerance) bslots[i] = 2;
    else if(abs(ptr[i]-9.30) < tolerance) bslots[i] = 3;
    else if(abs(ptr[i]-10.00) < tolerance) bslots[i] = 4;
    else if(abs(ptr[i]-10.30) < tolerance) bslots[i] = 5;
    else if(abs(ptr[i]-11.00) < tolerance) bslots[i] = 6;
    else if(abs(ptr[i]-11.30) < tolerance) bslots[i] = 7;
    else if(abs(ptr[i]-12.00) < tolerance) bslots[i] = 8;
    else if(abs(ptr[i]-12.30) < tolerance) bslots[i] = 9;
    else if(abs(ptr[i]-13.00) < tolerance) bslots[i] = 10;
    else if(abs(ptr[i]-13.30) < tolerance) bslots[i] = 11;
    else if(abs(ptr[i]-14.00) < tolerance) bslots[i] = 12;
    else if(abs(ptr[i]-14.30) < tolerance) bslots[i] = 13;
    else if(abs(ptr[i]-15.00) < tolerance) bslots[i] = 14;
    else if(abs(ptr[i]-15.30) < tolerance) bslots[i] = 15;
    else if(abs(ptr[i]-16.00) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-16.30) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-17.00) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-17.30) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-18.00) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-18.30) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-19.00) < tolerance) bslots[i] = 16;
    else if(abs(ptr[i]-19.30) < tolerance) bslots[i] = 16;
    else bslots[i] = 16;

    

    
    //tft.println(bslots[i]); // print!!!! all the booking slots in Int!!!
  }

  delete[] ptr;
  return bslots;
}


  


void setup() {
  //pinMode(BTN_PIN, INPUT_PULLUP);
  tft.println("\nLoading data...");

  WiFi.begin(ssid, password, 6);

  tft.begin();
  tft.setRotation(1);

  tft.setTextColor(ILI9341_WHITE);
  tft.setTextSize(2);
  tft.print("Connecting to WiFi");

  while (WiFi.status() != WL_CONNECTED) {
    delay(100);
    tft.print(".");
  }

  dateTime = getDate();
  int* ptr2 = nextData();

  
  //set up adafruit trinkete 5V 


  pixels.begin();
  pixelTime.begin();

  //delay(500);
  tft.setTextColor(ILI9341_RED);
  pixelTime.setPixelColor(timeSlot, pixelTime.Color(0,150,0));
 
  for(int i=0; i<bookingCount; i++)
  {
    
    pixels.setPixelColor(ptr2[i], pixels.Color(150, 0, 0));
       
  }

     

  pixels.show();
  pixelTime.show();
}

void loop() {

  // pixels.clear();
  // pixelTime.clear();

  // if (digitalRead(BTN_PIN) == LOW) {
  //   tft.fillScreen(ILI9341_BLACK);
  //   tft.setCursor(0, 0);
    
 
  // }

    if((millis() - lastTime) > timerDelay)
    {
      pixels.clear();
      pixelTime.clear();

      tft.println("update the data");
      
      dateTime = getDate();
      int* ptr3 = nextData();
  
      
      
    for(int i=0; i<bookingCount; i++)
    {
    
      pixels.setPixelColor(ptr3[i], pixels.Color(150, 0, 0));
       
    }

      pixelTime.setPixelColor(timeSlot, pixelTime.Color(0,150,0));
      
  
 
  
      pixels.show();
      pixelTime.show();

      lastTime = millis();

    }
  
 
  
  
  

  //delay(1000);




}