1:  2:  3:  4:  5:  6:  7:  8:  9: 10: 11: 12: 13: 14: 15: 16: 17: 18: 19: 20: 21: 22: 23: 24: 25: 26: 27: 28: 29: 30: 31: 32: 33: 34: 35: 36: 37: 38: 39: 40: 41: 42: 43: 44: 45: 46: 47: 48: 49: 50: 51: 52: 53: 54: 55: 56: 57: 58: 59: 60: 61: 62: 63: 64: 65: 66: 67: 68: 69: 70: 71: 72: 73: 74: 75: 76: 77: 78: 79: 80: 81: 82: 83: 84: 85: 86: 87: 88: 89: 90: 91: 92: 93: 94: 95: 96: 97: 98: 

<?php

/**
 * Copyright 2016 LINE Corporation
 *
 * LINE Corporation licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

namespace LINE\LINEBot\MessageBuilder;

use LINE\LINEBot\Constant\MessageType;
use LINE\LINEBot\MessageBuilder;
use LINE\LINEBot\QuickReplyBuilder;
use LINE\LINEBot\SenderBuilder\SenderBuilder;

/**
 * A builder class for sticker message.
 *
 * @package LINE\LINEBot\MessageBuilder
 */
class StickerMessageBuilder implements MessageBuilder
{
    /** @var string */
    private $packageId;

    /** @var string */
    private $stickerId;

    /** @var array */
    private $message = [];

    /** @var QuickReplyBuilder|null */
    private $quickReply;

    /** @var SenderBuilder|null */
    private $sender;

    /**
     * StickerMessageBuilder constructor.
     *
     * @param string $packageId
     * @param string $stickerId
     * @param QuickReplyBuilder|null $quickReply
     * @param SenderBuilder|null $sender
     */
    public function __construct(
        $packageId,
        $stickerId,
        QuickReplyBuilder $quickReply = null,
        SenderBuilder $sender = null
    ) {
        $this->packageId = $packageId;
        $this->stickerId = $stickerId;
        $this->quickReply = $quickReply;
        $this->sender = $sender;
    }

    /**
     * Builds sticker message structure.
     *
     * @return array
     */
    public function buildMessage()
    {
        if (!empty($this->message)) {
            return $this->message;
        }

        $sticker = [
            'type' => MessageType::STICKER,
            'packageId' => $this->packageId,
            'stickerId' => $this->stickerId,
        ];

        if ($this->quickReply) {
            $sticker['quickReply'] = $this->quickReply->buildQuickReply();
        }

        if ($this->sender) {
            $sticker['sender'] = $this->sender->buildSender();
        }

        $this->message[] = $sticker;

        return $this->message;
    }
}