<?php
/*
 * Copyright 2013 Jan Eichhorn <exeu65@googlemail.com>
 *
 * Licensed 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
 *
 * http://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 libs\ApaiIO\Configuration;

use libs\ApaiIO\Configuration\Country;

/**
 * A generic configurationclass
 *
 * @author Jan Eichhorn <exeu65@googlemail.com>
 */
class GenericConfiguration implements ConfigurationInterface
{
    /**
     * The country
     *
     * @var string
     */
    protected $country;

    /**
     * The accesskey
     *
     * @var string
     */
    protected $accessKey;

    /**
     * The string
     *
     * @var string
     */
    protected $secretKey;

    /**
     * The associate Tag
     *
     * @var string
     */
    protected $associateTag;

    /**
     * The requestclass
     * By default its set to the provided restful request
     *
     * @var string
     */
    protected $request = "\\libs\\ApaiIO\\Request\\Rest\\Request";

    /**
     * A callback which is called before returning the request by the factory
     *
     * @var \Closure|array|string
     */
    protected $requestFactory = null;

    /**
     * The responsetransformerclass
     * By default its set to null which means that no transformer will be applied
     *
     * @var string
     */
    protected $responseTransformer = null;

    /**
     * A callback which is called before returning the responsetransformer by the factory
     *
     * @var \Closure|array|string
     */
    protected $responseTransformerFactory = null;

    /**
     * {@inheritdoc}
     */
    public function getCountry()
    {
        return $this->country;
    }

    /**
     * Sets an validates the country
     *
     * @param string $country
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setCountry($country)
    {
        Country::isValidCountry($country);

        $this->country = strtolower($country);

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getAccessKey()
    {
        return $this->accessKey;
    }

    /**
     * Sets the accesskey
     *
     * @param string $accessKey
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setAccessKey($accessKey)
    {
        $this->accessKey = $accessKey;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getSecretKey()
    {
        return $this->secretKey;
    }

    /**
     * Sets the secretkey
     *
     * @param string $secretKey
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setSecretKey($secretKey)
    {
        $this->secretKey = $secretKey;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getAssociateTag()
    {
        return $this->associateTag;
    }

    /**
     * Sets the associatetag
     *
     * @param string $associateTag
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setAssociateTag($associateTag)
    {
        $this->associateTag = $associateTag;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getRequest()
    {
        return $this->request;
    }

    /**
     * Sets the requestclass
     *
     * @param string $request
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setRequest($request)
    {
        $this->request = $request;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getResponseTransformer()
    {
        return $this->responseTransformer;
    }

    /**
     * Sets the responsetransformerclass
     *
     * @param string $responseTransformer
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setResponseTransformer($responseTransformer)
    {
        $this->responseTransformer = $responseTransformer;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getRequestFactory()
    {
        return $this->requestFactory;
    }

    /**
     * Sets the request factory callback
     *
     * @param \Closure|array|string $callback
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setRequestFactory($callback)
    {
        if (!is_callable($callback)) {
            throw new \InvalidArgumentException("Given argument is not callable");
        }

        $this->requestFactory = $callback;

        return $this;
    }

    /**
     * {@inheritdoc}
     */
    public function getResponseTransformerFactory()
    {
        return $this->responseTransformerFactory;
    }

    /**
     * Sets the responsetransformer factory callback
     *
     * @param \Closure|array|string $callback
     *
     * @return \libs\ApaiIO\Configuration\GenericConfiguration
     */
    public function setResponseTransformerFactory($callback)
    {
        if (!is_callable($callback)) {
            throw new \InvalidArgumentException("Given argument is not callable");
        }

        $this->responseTransformerFactory = $callback;

        return $this;
    }
}