<?php

namespace app\index\controller;

use think\Lang;
use think\Loader;
use think\Config;
use think\Session;
use think\Cookie;
use app\common\controller\BaseController as Controller;

//<!--#include file="([0-9a-zA-Z/._-]+?)\.html" -->
class BaseController extends Controller {

    //当前用户
    protected $customer_id = 0;

    #   当前国家编码
    protected $country_code = 'ZH';

    public function __construct() {
        parent::__construct();
    }

    // 初始化
    protected function _initialize() {
        parent::_initialize();

        if ($this->check_true_login())
        {
            $customer_info = json_decode(Cookie::get('c'), true);
            $this->view->assign('customer_info', $customer_info);
            $this->customer_id = $customer_info['id'];
            $this->customer_info = $customer_info;
        }
        else
        {
            $this->_logout();
        }

        $this->view->assign('seo_title', (string) Config::get('website_seo_title'));
        $this->view->assign('seo_keyword', (string) Config::get('website_seo_keyword'));
        $this->view->assign('seo_description', (string) Config::get('website_seo_description'));
        // $this->categoryList = $this->cacheGet('productCategoryList');
        if (empty($this->productCategory)) {
            $this->categoryList = Loader::model('ProductCategory')->getList(['stat' => 0, 'siteid' => $this->siteid,'isshow'=>1, 'country_code' => $this->country_code], ['sort' => 'asc', 'id' => 'asc'], ['id', 'pid', 'haschild', 'name', 'shortname', 'sort', 'description', 'isshow', 'recommend', 'picture', 'icon', 'image', 'unique_id']);
            $this->cacheTag('ProductCategoryTag')->set('productCategoryList', $this->categoryList);
        }
        $this->productCategory  = $this->list_to_tree($this->categoryList);

        if ($this->cacheHas('country_list')) {
            $this->country_list = $this->cacheGet('country_list');
        } else {
            $this->country_list = model('country')->where(['stat' => 0])->order(['sort' => 'asc'])->select();
            $this->cacheSet('country_list', $this->country_list, 3600);    
        }

        $this->view->assign('country_list', $this->country_list);
        $this->view->assign('productCategory', $this->productCategory);
        $this->view->assign('allCategoryList', $this->categoryList);
    }

    /**
     * 节点遍历
     * @param $list
     * @param string $pk
     * @param string $pid
     * @param string $child
     * @param int $root
     * return array
     */
    protected function list_to_tree($list, $pk = 'id', $pid = 'pid', $child = 'child', $root = 0) {
        //header('content-type:text/html;charset=utf-8;');
        // 创建Tree
        $tree = [];
        if (is_array($list)) {
            // 创建基于主键的数组引用
            $refer = [];
            foreach ($list as $key => $data) {
                $list[$key] = $data->toArray();
                $refer[$data[$pk]] = & $list[$key];
            }
            foreach ($list as $key => $data) {
                // 判断是否存在parent
                $parentId = $data[$pid];
                if ($root == $parentId) {
                    $tree[] = & $list[$key];
                } else {
                    if (isset($refer[$parentId])) {
                        $parent = & $refer[$parentId];
                        $parent[$child][] = & $list[$key];
                    }
                }
            }
        }
        return $tree;
    }

    private function check_login_token($customer_id, $curr_time, $p)
    {
        //  校验登录的合法性
        $tmp_p = $this->make_pwd($customer_id, $curr_time);
        if ($tmp_p !== $p)
        {
            return false;
        }

        return true;
    }

    protected function set_login_token($customer_info)
    {
        $curr_time = time();
        $p = $this->make_pwd($customer_info['id'], $curr_time);

        $expire = 86400 * 30;
        Cookie::init(['expire' => $expire]);
        Cookie::set('p', $p);
        Cookie::set('c', $customer_info);
        Cookie::set('ct', $curr_time);

        return;
    }

    private function make_pwd($customer_id, $curr_time)
    {
        $salt = 'Orico2019.';
        $p = md5(md5($customer_id . $curr_time . $salt));

        return $p;
    }

    private function check_login()
    {
        //  有cookie默认为已登录, 不校验cookie的合法性
        return Cookie::has('p') && Cookie::has('c') && Cookie::has('ct');
    }

    protected function check_true_login()
    {
        //  校验用户是否登录,且校验cookie合法性
        if (!$this->check_login())
        {
            $this->_logout();
            return false;
        }

        $customer_info = json_decode(Cookie::get('c'), true);
        $curr_time = Cookie::get('ct');
        $p = Cookie::get('p');

        return $this->check_login_token($customer_info['id'], $curr_time, $p);
    }

    protected function _logout()
    {
        if (Cookie::has('p'))
            Cookie::delete('p');
        if (Cookie::has('c'))
            Cookie::delete('c');
        if (Cookie::has('ct'))
            Cookie::delete('ct');

        $this->customer_id = 0;
        return;
    }
    
}