UniversalTelegramBotRZO.h

/*
  Copyright (c) 2018 Brian Lough. All right reserved.

  UniversalTelegramBot - Library to create your own Telegram Bot using
  ESP8266 or ESP32 on Arduino IDE.

  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Lesser General Public
  License as published by the Free Software Foundation; either
  version 2.1 of the License, or (at your option) any later version.

  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  Lesser General Public License for more details.

  You should have received a copy of the GNU Lesser General Public
  License along with this library; if not, write to the Free Software
  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/

#ifndef UniversalTelegramBotRZO_h
#define UniversalTelegramBotRZO_h

#define ARDUINOJSON_DECODE_UNICODE 1
#define ARDUINOJSON_USE_LONG_LONG 1
#include <Arduino.h>
#include <ArduinoJson.h>
#include <Client.h>
#include <core_version.h>

#define HOST "api.telegram.org"
#define SSL_PORT 443
#define HANDLE_MESSAGES 1

//unmark following line to enable debug mode
#define _debug

typedef bool (*MoreDataAvailable)();
typedef byte (*GetNextByte)();
typedef byte* (*GetNextBuffer)();
typedef int (GetNextBufferLen)();

struct telegramMessage {
  String inline_query;
  String inline_query_id;
  String sticker_id;
  String sticker_uid;
  int sticker_width;
  int sticker_height;
  bool sticker_animated;

  String text;
  String chat_id;
  String chat_title;
  String from_id;
  String from_name;
  String date;
  String type;
  float longitude;
  float latitude;
  int update_id;
};

class UniversalTelegramBot {
  public:
    UniversalTelegramBot(String token, Client &client);
    String sendGetToTelegram(String command);
    String sendPostToTelegram(String command, JsonObject payload);
    String
    sendMultipartFormDataToTelegram(String command, String binaryProperyName,
                                    String fileName, String contentType,
                                    String chat_id, int fileSize,
                                    MoreDataAvailable moreDataAvailableCallback,
                                    GetNextByte getNextByteCallback,
                                    GetNextBuffer getNextBufferCallback,
                                    GetNextBufferLen getNextBufferLenCallback);

    bool getMe();

    bool sendSimpleMessage(String chat_id, String text, String parse_mode);
    bool sendMessage(String chat_id, String text, String parse_mode = "");
    bool sendMessageWithReplyKeyboard(String chat_id, String text,
                                      String parse_mode, String keyboard,
                                      bool resize = false, bool oneTime = false,
                                      bool selective = false);
    bool sendMessageWithInlineKeyboard(String chat_id, String text,
                                       String parse_mode, String keyboard);

    bool sendChatAction(String chat_id, String text);

    bool sendPostMessage(JsonObject payload);
    String sendPostPhoto(JsonObject payload);
    String sendPhotoByBinary(String chat_id, String contentType, int fileSize,
                             MoreDataAvailable moreDataAvailableCallback,
                             GetNextByte getNextByteCallback,
                             GetNextBuffer getNextBufferCallback,
                             GetNextBufferLen getNextBufferLenCallback);
    String sendPhoto(String chat_id, String photo, String caption = "",
                     bool disable_notification = false,
                     int reply_to_message_id = 0, String keyboard = "");

    int getUpdates(long offset);
    bool checkForOkResponse(String response);
    telegramMessage messages[HANDLE_MESSAGES];
    long last_message_received;
    String name;
    String userName;
    int longPoll = 0;
    int waitForResponse = 1500;

  private:
    // JsonObject * parseUpdates(String response);
    String _token;
    Client *client;
    void closeClient();
    const int maxMessageLength = 1500;
    bool processResult(JsonObject result, int messageIndex);
};

#endif