<?php
namespace App\Library\Protocol;

abstract class _Payload {

    public function __construct(array $data = null) {
        if ($data != null) {
            $this->set($data);
        }
    }

    public function set($data) {
        //TODO: recursive set data
        if ($data === null) {

            return false;
        } elseif (is_array($data)) {
            foreach ($data as $k => $v) {
                if (property_exists(get_class($this), $k)) {
                    $t = sprintf("_%s", $k);
                    if (property_exists(get_class($this), $t)) {
                        $tp = $this->{$t};
                        $type = $tp['type'];
                        $this->{$k} = $this->cast($v, $type);
                    }
                }
            }
        } elseif (is_object($data) && $data instanceof $this) {
            foreach ($data as $k => $v) {
                $t = sprintf("_%s", $k);
                if (property_exists(get_class($this), $t)) {
                    $this->{$k} = $v;
                }
            }
        } else {

            return false;
        }
        return true;
    }

    public function cast($value, $type) {
        switch ($type) {
            case 'integer':
                $ret = (int) $value;
                break;
            case 'float':
                $ret = (double) $value;
                break;
            case 'string':
                $ret = (string) $value;
                break;
            case 'boolean':
                $ret = (boolean) $value;
                break;
            default:
                if (preg_match('/^(array\[([A-Za-z_]+)\]|dict\[([A-Za-z_]+)\]([A-Za-z_]+))$/', $type, $matches)) {
                    $ret = [];
                    if (substr($matches[0], 0, 4) === 'dict') {
                        foreach ($value as $k => $v) {
                            $key = $this->cast($k, $matches[3]);
                            $value = $this->cast($v, $matches[4]);
                            $ret[$key] = $value;
                        }
                    } else {
                        foreach ($value as $k => $v) {
                            $ret[] = $this->cast($v, $matches[2]);
                        }
                    }
                } elseif (is_object($value)) {
                    $klass = sprintf("%s\\%s", __NAMESPACE__, $type);
                    if ($value instanceof $klass) {
                        $ret = $this->iterate($value);
                    } else {
                        $ret = $value;
                    }
                } else {
                    $ret = $value;
                }
                break;
        }
        return $ret;
    }

    public function iterate($object = null) {
        $ret = [];
        if ($object === null) {
            $object = $this;
        }
        foreach ($object as $k => $v) {
            $t = sprintf("_%s", $k);
            if (property_exists(get_class($object), $t)) {
                $tp = $this->{$t};
                $type = $tp['type'];
                $ret[$k] = $this->cast($v, $type);
            }
        }
        return $ret;
    }

}

/*
#token结构
*/
final class token_info extends _Payload {
	public $token = "";
	protected $_token = [
		'type' => 'string',
		'required' => true,
	];
}

/*
#可用服务信息结构
*/
final class service_info extends _Payload {
	public $name = "";
	protected $_name = [
		'type' => 'string',
		'required' => true,
	];
	public $auth = 0;
	protected $_auth = [
		'type' => 'integer',
		'required' => true,
	];
}

/*
#appid-appkey结构
*/
final class app_info extends _Payload {
	public $appid = "";
	protected $_appid = [
		'type' => 'string',
		'required' => true,
	];
}

/*
#单id结构
*/
final class struct_id extends _Payload {
	public $id = 0;
	protected $_id = [
		'type' => 'integer',
		'required' => true,
	];
}

/*
#可用服务列表
*/
final class service_list extends _Payload {
	public $service = [];
	protected $_service = [
		'type' => 'array[service_info]',
		'required' => true,
	];
}

/*
#请求token参数
*/
final class token_req_info extends _Payload {
	public $server_id = "";
	protected $_server_id = [
		'type' => 'string',
		'required' => true,
	];
	public $user_id = 0;
	protected $_user_id = [
		'type' => 'integer',
		'required' => true,
	];
}