<?php
namespace Longman\TelegramBot\Commands\UserCommands;

use Longman\TelegramBot\Commands\SystemCommands\StartCommand;
use Longman\TelegramBot\Commands\UserCommand;
use Longman\TelegramBot\Conversation;
use Longman\TelegramBot\DB;
use Longman\TelegramBot\Entities\InputMedia\InputMediaPhoto;
use Longman\TelegramBot\Entities\Keyboard;
use Longman\TelegramBot\Entities\Update;
use Longman\TelegramBot\Request;

class PhotoCommand extends UserCommand
{
    protected $name = 'photo';
    protected $description = 'Загрузка фото';
    protected $usage = '/photo';
    protected $version = '0.3.0';
    protected $need_mysql = true;
    protected $private_only = true;
    protected $conversation;

    /**
     * Set the value of a private/protected property of an object
     *
     * @param object $object   Object that contains the property
     * @param string $property Name of the property who's value we want to set
     * @param mixed  $value    The value to set to the property
     */
    private function setObjectProperty($object, $property, $value)
    {
        $ref_object   = new \ReflectionObject($object);
        $ref_property = $ref_object->getProperty($property);
        $ref_property->setAccessible(true);
        $ref_property->setValue($object, $value);
    }

    /**
     * @param $file_id
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    private function downloadFile($file_id)
    {
        $r = Request::getFile(['file_id' => $file_id]);
        if ($r->isOk()) {
            Request::downloadFile($r->getResult());
        }
    }

    /**
     * @return \Longman\TelegramBot\Entities\ServerResponse
     * @throws \Longman\TelegramBot\Exception\TelegramException
     */
    public function execute()
    {
        $message = $this->getMessage();
        $chat    = $message->getChat();
        $user    = $message->getFrom();
        $text    = trim($message->getText(true));
        $chat_id = $chat->getId();
        $user_id = $user->getId();

        $data = [
            'chat_id' => $chat_id,
            'reply_markup' => $keyboard->setResizeKeyboard(true)->setOneTimeKeyboard(true)->setSelective(true)
        ];

        if ($chat->isGroupChat() || $chat->isSuperGroup()) {
            $data['reply_markup'] = Keyboard::forceReply(['selective' => true]);
        }

        $this->conversation = new Conversation($user_id, $chat_id, $this->getName());
        $notes = &$this->conversation->notes;
        !is_array($notes) && $notes = [];

        $state = 0;
        if (isset($notes['state'])) {
            $state = $notes['state'];
        }

        $result = Request::emptyResponse();
        $count = 0; // Будем считать фотографии

        switch ($state) {
            case 0:
                if ($message->getPhoto() === null || (isset($text) && $text !== 'Done')) {
                    $notes['state'] = 0;
                    $this->conversation->update();

                    /**
                     * Клавиатура
                     */
                    $keyboard = new Keyboard(
                        ['Done']
                    );

                    $data['text'] = 'Отправьте фотографии, после того, как закончите, нажмите на кнопку ниже.';

                    $data['reply_markup'] = $keyboard->setResizeKeyboard(true)->setOneTimeKeyboard(false)->setSelective(true);

                    /**
                     * Если тыкнули на кнопку, отправляем но новый шаг
                     */
                    if ($text === 'Done') {
                        $notes['state'] = 1;
                        $this->conversation->update();
                        $data['reply_markup'] = Keyboard::remove();
                    }

                    $result = Request::sendMessage($data);
                    break;
                }

                $notes['files'][] = $message->getPhoto()[$count]->getFileId(); // Получаем ID файла
                $this->downloadFile($notes['files']); // Скачиваем
                $this->setObjectProperty($message, 'photo', null); // Нулляем объект message
                $count++;

                $text = '';

            case 1:
                $this->conversation->update();
                unset($notes['state']);

                $data['text'] = 'Тест';

                $data['reply_markup'] = Keyboard::remove();

                $this->conversation->stop();
                $result = Request::sendMessage($data);

                break;
        }
        return $result;
    }
}