package org.telegram.telegrambots.meta.api.methods.send;

import com.fasterxml.jackson.core.type.TypeReference;
import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.Setter;
import lombok.Singular;
import lombok.ToString;
import org.telegram.telegrambots.meta.api.methods.PartialBotApiMethod;
import org.telegram.telegrambots.meta.api.objects.ApiResponse;
import org.telegram.telegrambots.meta.api.objects.InputFile;
import org.telegram.telegrambots.meta.api.objects.Message;
import org.telegram.telegrambots.meta.api.objects.MessageEntity;
import org.telegram.telegrambots.meta.api.objects.replykeyboard.ReplyKeyboard;
import org.telegram.telegrambots.meta.exceptions.TelegramApiRequestException;
import org.telegram.telegrambots.meta.exceptions.TelegramApiValidationException;

import java.io.IOException;
import java.util.List;

/**
 * @author Ruben Bermudez
 * @version 1.0
 * Use this method to send audio files, Use this method to send audio files, if you want
 * Telegram clients to display them in the music player. Your audio must be in an .mp3 format. On
 * success, the sent Message is returned. Bots can currently send audio files of up to 50 MB in
 * size, this limit may be changed in the future.
 * @apiNote  For sending voice notes, use sendVoice method instead.
 */
@EqualsAndHashCode(callSuper = false)
@Getter
@Setter
@ToString
@RequiredArgsConstructor
@NoArgsConstructor
@AllArgsConstructor
@Builder
public class SendAudio extends PartialBotApiMethod<Message> {
    public static final String PATH = "sendaudio";

    public static final String DURATION_FIELD = "duration";
    public static final String CHATID_FIELD = "chat_id";
    public static final String AUDIO_FIELD = "audio";
    public static final String REPLYTOMESSAGEID_FIELD = "reply_to_message_id";
    public static final String DISABLENOTIFICATION_FIELD = "disable_notification";
    public static final String REPLYMARKUP_FIELD = "reply_markup";
    public static final String PERFOMER_FIELD = "performer";
    public static final String TITLE_FIELD = "title";
    public static final String CAPTION_FIELD = "caption";
    public static final String PARSEMODE_FIELD = "parse_mode";
    public static final String THUMB_FIELD = "thumb";
    public static final String CAPTION_ENTITIES_FIELD = "caption_entities";
    public static final String ALLOWSENDINGWITHOUTREPLY_FIELD = "allow_sending_without_reply";

    @NonNull
    private Integer duration; ///< Integer	Duration of the audio in seconds as defined by sender
    @NonNull
    private String chatId; ///< Unique identifier for the chat to send the message to (or Username fro channels)
    @NonNull
    private InputFile audio; ///< Audio file to send. file_id as String to resend an audio that is already on the Telegram servers or Url to upload it
    private Integer replyToMessageId; ///< Optional. If the message is a reply, ID of the original message
    private Boolean disableNotification; ///< Optional. Sends the message silently. Users will receive a notification with no sound.
    private ReplyKeyboard replyMarkup; ///< Optional. JSON-serialized object for a custom reply keyboard
    private String performer; ///< Optional. Performer of sent audio
    private String title; ///< Optional. Title of sent audio
    private String caption; ///< Optional. Audio caption (may also be used when resending documents by file_id), 0-200 characters
    private String parseMode; ///< Optional. Send Markdown or HTML, if you want Telegram apps to show bold, italic, fixed-width text or inline URLs in the media caption.
    /**
     * Optional.
     * Thumbnail of the file sent. The thumbnail should be in JPEG format and less than 200 kB in size.
     * A thumbnail’s width and height should not exceed 320.
     * Ignored if the file is not uploaded using multipart/form-data.
     * Thumbnails can’t be reused and can be only uploaded as a new file, so you can pass
     * “attach://<file_attach_name>” if the thumbnail was uploaded using multipart/form-data under <file_attach_name>.
     */
    private InputFile thumb;
    @Singular
    private List<MessageEntity> captionEntities; ///< Optional. List of special entities that appear in the caption, which can be specified instead of parse_mode
    private Boolean allowSendingWithoutReply; ///< Optional	Pass True, if the message should be sent even if the specified replied-to message is not found

    public void enableNotification() {
        this.disableNotification = false;
    }

    public void disableNotification() {
        this.disableNotification = true;
    }

    @Override
    public Message deserializeResponse(String answer) throws TelegramApiRequestException {
        try {
            ApiResponse<Message> result = OBJECT_MAPPER.readValue(answer,
                    new TypeReference<ApiResponse<Message>>(){});
            if (result.getOk()) {
                return result.getResult();
            } else {
                throw new TelegramApiRequestException("Error sending audio", result);
            }
        } catch (IOException e) {
            throw new TelegramApiRequestException("Unable to deserialize response", e);
        }
    }

    @Override
    public void validate() throws TelegramApiValidationException {
        if (chatId == null) {
            throw new TelegramApiValidationException("ChatId parameter can't be empty", this);
        }

        if (audio == null) {
            throw new TelegramApiValidationException("Audio parameter can't be empty", this);
        }

        if (parseMode != null && (captionEntities != null && !captionEntities.isEmpty()) ) {
            throw new TelegramApiValidationException("Parse mode can't be enabled if Entities are provided", this);
        }

        audio.validate();

        if (thumb != null) {
            thumb.validate();
        }

        if (replyMarkup != null) {
            replyMarkup.validate();
        }
    }
}

@@ -2560,118 +2560,8 @@
 %22;%0A%0A
-    @NonNull%0A    private Integer duration; ///%3C Integer%09Duration of the audio in seconds as defined by sender%0A
     
@@ -3621,16 +3621,113 @@
 aption.%0A
+    private Integer duration; ///%3C Integer%09Duration of the audio in seconds as defined by sender%0A
     /**%0A

Fix #857