<?php

/*
 * This file is part of the overtrue/wechat.
 *
 * (c) overtrue <i@overtrue.me>
 *
 * This source file is subject to the MIT license that is bundled
 * with this source code in the file LICENSE.
 */

namespace EasyWeChat\Kernel\Messages;

use EasyWeChat\Kernel\Contracts\MessageInterface;
use EasyWeChat\Kernel\Support\XML;
use EasyWeChat\Kernel\Traits\HasAttributes;
use Mockery\Exception\BadMethodCallException;

/**
 * Class Messages.
 */
abstract class Message implements MessageInterface
{
    use HasAttributes;

    const TEXT = 2;
    const IMAGE = 4;
    const VOICE = 8;
    const VIDEO = 16;
    const SHORT_VIDEO = 32;
    const LOCATION = 64;
    const LINK = 128;
    const DEVICE_EVENT = 256;
    const DEVICE_TEXT = 512;
    const FILE = 1024;
    const TEXT_CARD = 2048;
    const TRANSFER = 4096;
    const EVENT = 1048576;
    const ALL = 1049598;

    /**
     * @var string
     */
    protected $type;

    /**
     * @var int
     */
    protected $id;

    /**
     * @var string
     */
    protected $to;

    /**
     * @var string
     */
    protected $from;

    /**
     * @var array
     */
    protected $properties = [];

    /**
     * @var array
     */
    protected $jsonAliases = [];

    /**
     * Message constructor.
     *
     * @param array $attributes
     */
    public function __construct(array $attributes = [])
    {
        $this->setAttributes($attributes);
    }

    /**
     * Return type name message.
     *
     * @return string
     */
    public function getType()
    {
        return $this->type;
    }

    /**
     * @param string $type
     */
    public function setType(string $type)
    {
        $this->type = $type;
    }

    /**
     * Magic getter.
     *
     * @param string $property
     *
     * @return mixed
     */
    public function __get($property)
    {
        if (property_exists($this, $property)) {
            return $this->$property;
        }

        return $this->getAttribute($property);
    }

    /**
     * Magic setter.
     *
     * @param string $property
     * @param mixed  $value
     *
     * @return Message
     */
    public function __set($property, $value)
    {
        if (property_exists($this, $property)) {
            $this->$property = $value;
        } else {
            $this->setAttribute($property, $value);
        }

        return $this;
    }

    /**
     * @param array $appends
     *
     * @return array
     */
    public function transformForJsonRequestWithoutType(array $appends = [])
    {
        return $this->transformForJsonRequest($appends, false);
    }

    /**
     * @param array $appends
     * @param bool  $withType
     *
     * @return array
     */
    public function transformForJsonRequest(array $appends = [], $withType = true)
    {
        if (!$withType) {
            return $this->propertiesToArray([], $this->jsonAliases);
        }
        $messageType = $this->getType();
        $data = array_merge(['msgtype' => $messageType], $appends);

        $data[$messageType] = array_merge(isset($data[$messageType]) ?$data[$messageType]: [], $this->propertiesToArray([], $this->jsonAliases));

        return $data;
    }

    /**
     * @param array $appends
     * @param bool  $returnAsArray
     *
     * @return string
     */
    public function transformToXml($appends = [], $returnAsArray = false)
    {
        $data = array_merge(['MsgType' => $this->getType()], $this->toXmlArray(), $appends);

        return $returnAsArray ? $data : XML::build($data);
    }

    /**
     * @param array $data
     * @param array $aliases
     *
     * @return array|mixed
     */
    protected function propertiesToArray(array $data, array $aliases = [])
    {
        $this->checkRequiredAttributes();

        foreach ($this->attributes as $property => $value) {
            if (is_null($value) && !$this->isRequired($property)) {
                continue;
            }
            $alias = array_search($property, $aliases, true);

            $data[$alias ?: $property] = $this->get($property);
        }

        return $data;
    }

    public function toXmlArray()
    {
        throw new BadMethodCallException(sprintf('Class "%s" cannot support transform to XML message.', __CLASS__));
    }
}
