<?php
/**
 * Created by PhpStorm.
 * User: rlgyzhcn
 * Date: 18-5-31
 * Time: 上午10:29
 */

namespace api\base;

use Yii;
use yii\web\Response;
use yii\web\Controller;

class BaseController extends Controller
{
    public $start;
    public $end;

    public $header_list = [];
    public $lang;

    private static $default_header_list = [];

    public function init()
    {
        if ('cli' !== php_sapi_name()){
            $this->header_list = self::$default_header_list;
            $this->fzmCrossHeader();
        }
    }

    public function behaviors()
    {
        $request_controller = Yii::$app->controller->id;
        $request_action = Yii::$app->controller->action->id;

        $interceptor_global = array_unique(Yii::$app->params['interceptor']['global']);
        $interceptor_default = array_unique(Yii::$app->params['interceptor']['default']);
        $interceptor_mapping = isset(Yii::$app->params['interceptor'][$request_controller]) ? array_unique(Yii::$app->params['interceptor'][$request_controller]) : null;

        $controller_enable = $interceptor_mapping ?? false;
        $behaviors = [];
        $final_interceptor = array_keys(array_flip(array_merge($interceptor_global, $interceptor_default)));
        if ($controller_enable) {
            $interceptor_map = $interceptor_mapping['interceptors'];
            if ($interceptor_map) {
                $switch = array_shift($interceptor_map);
                if (false == $switch) {
                    $deny_interceptor = $interceptor_map;
                    $final_interceptor = array_diff($interceptor_default, $deny_interceptor);
                } else {
                    $final_interceptor = array_unique($interceptor_map);
                }
            }
            $action_mapping = $interceptor_mapping['actions'] ?? false;
            if ($action_mapping) {        //指定方法使用哪些拦截器
                foreach ($action_mapping as $val) {
                    $action_id = array_shift($val);    //拦截器配置文件中的action
                    $interceptor_map = $val[0];
                    $switch = array_shift($interceptor_map);   //拦截器配置文件中action对应的拦截开关
                    if ($action_id == $request_action) {
                        if (false == $switch) {
                            $final_interceptor = array_unique(array_merge($interceptor_map, $interceptor_global));
                            $final_interceptor = array_diff($interceptor_default, array_diff($final_interceptor, $interceptor_global));
                        } else {
                            $final_interceptor = array_unique($interceptor_map);
                        }
                    }
                }
            }
        }
        foreach ($final_interceptor as $key => $item) {
            $behaviors[$key] = [
                'class' => $item,
            ];
        }
        return $behaviors;
    }

    public function fzmCrossHeader()
    {
        $this->lang = \Yii::$app->request->headers->get('lang') ?? 'zh-CN';
    }

    public function beforeAction($action)
    {
        $this->start = microtime(true);
        return parent::beforeAction($action); // TODO: Change the autogenerated stub
    }

    public function afterAction($action, $result)
    {
        $this->end = microtime(true);
        return parent::afterAction($action, $result); // TODO: Change the autogenerated stub
    }

    /**
     * 返回成功结果,附加成功code
     * @param type $data
     * @return array
     */
    public static function formatSuccessResult($data = null)
    {
        return self::formatResult(0, 'ok', $data);
    }


    /**
     * 返回结果,附加部分信息
     * @param int $errcode
     * @param string $errmsg
     * @param array $data
     */
    public static function formatResult($errcode, $errmsg, $data = null)
    {
        $callback = Yii::$app->request->get('callback');
        $result = [
            'errcode' => $errcode,
            'errmsg' => $errmsg,
        ];

        if($data !== null) {
            $result['data'] = Yii::createObject('yii\rest\Serializer')->serialize($data);
        }

        $response = Yii::$app->response;
        $response->format = Response::FORMAT_JSON;

        //jsonp数据格式
        if(!is_null($callback)) {
            Yii::$app->getResponse()->format = Response::FORMAT_JSONP;
            $result = [
                'data' => $result,
                'callback' => $callback,
            ];
        }

        return $result;
    }


    protected function addPaginationHeaders($pagination)
    {
        $links = [];
        foreach ($pagination->getLinks(true) as $rel => $url) {
            $links[] = "<$url>; rel=$rel";
        }

        Yii::$app->getResponse()->getHeaders()
            ->set('X-Pagination-Total-Count', $pagination->totalCount)
            ->set('X-Pagination-Page-Count', $pagination->getPageCount())
            ->set('X-Pagination-Current-Page', $pagination->getPage() + 1)
            ->set('X-Pagination-Per-Page', $pagination->pageSize)
            ->set('Link', implode(', ', $links));
    }


    protected function getRequestedFields()
    {
        $fields = Yii::$app->request->get('fields');
        $expand = Yii::$app->request->get('expand');

        return [
            preg_split('/\s*,\s*/', $fields, -1, PREG_SPLIT_NO_EMPTY),
            preg_split('/\s*,\s*/', $expand, -1, PREG_SPLIT_NO_EMPTY),
        ];
    }


    protected function serializeModels(array $models)
    {
        list ($fields, $expand) = $this->getRequestedFields();
        foreach ($models as $i => $model) {
            if ($model instanceof Arrayable) {
                $models[$i] = $model->toArray($fields, $expand);
            } elseif (is_array($model)) {
                $models[$i] = ArrayHelper::toArray($model);
            }
        }

        return $models;
    }
}