<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2015 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think;

T('think/controller/view');

class Controller
{
    use \traits\think\controller\view;

    /**
     * 控制器参数
     * @var config
     * @access protected
     */
    protected $config = [
        // 前置操作方法
        'before_action_list' => [],
    ];

    /**
     * 架构函数 初始化视图类 并采用内置模板引擎
     * @access public
     * @param array $config
     */
    public function __construct($config = [])
    {
        // 模板引擎参数
        $this->config(empty($config) ? Config::get() : $config);
        // 控制器初始化
        if (method_exists($this, '_initialize')) {
            $this->_initialize();
        }
        // 前置操作方法
        // 支持 ['action1','action2'] 或者 ['action1'=>['only'=>'index'],'action2'=>'except'=>'login']
        $list = $this->config['before_action_list'];
        if ($list) {
            foreach ($list as $method => $options) {
                is_numeric($method) ?
                $this->beforeAction($options) :
                $this->beforeAction($method, $options);
            }
        }
    }

    /**
     * 设置控制器参数
     * @access public
     * @param array $config 视图参数
     * @return Think\Controller
     */
    public function config($config = [])
    {
        if (is_array($config)) {
            foreach ($this->config as $key => $val) {
                if (isset($config[$key])) {
                    $this->config[$key] = $config[$key];
                }
            }
        }
        return $this;
    }

    /**
     * 前置操作
     * @access protected
     * @param string    $method     前置操作方法名
     * @param array     $options    调用参数 ['only'=>[...]] 或者['except'=>[...]]
     */
    protected function beforeAction($method, $options = [])
    {
        if (isset($options['only'])) {
            if (!in_array(ACTION_NAME, $options['only'])) {
                return;
            }
        } elseif (isset($options['except'])) {
            if (in_array(ACTION_NAME, $options['except'])) {
                return;
            }
        }

        if (method_exists($this, $method)) {
            call_user_func([$this, $method]);
        }
    }
}