<?php

namespace app\admin\controller;

use app\admin\model\Admin;
use app\admin\model\AdminLog;
use app\common\controller\Backend;
use fast\Random;
use think\Config;
use think\Db;
use think\Exception;
use think\Hook;
use think\Session;
use think\Validate;

/**
 * 后台首页
 * @internal
 */
class Index extends Backend
{

    protected $noNeedLogin = ['login','getCaptcha','checkCaptcha','register'];
    protected $noNeedRight = ['index', 'logout'];
    protected $layout = '';

    public function _initialize()
    {
        parent::_initialize();
        //移除HTML标签
        $this->request->filter('trim,strip_tags,htmlspecialchars');
    }

    /**
     * 后台首页
     */
    public function index()
    {
        $cookieArr = ['adminskin' => "/^skin\-([a-z\-]+)\$/i", 'multiplenav' => "/^(0|1)\$/", 'multipletab' => "/^(0|1)\$/", 'show_submenu' => "/^(0|1)\$/"];
        foreach ($cookieArr as $key => $regex) {
            $cookieValue = $this->request->cookie($key);
            if (!is_null($cookieValue) && preg_match($regex, $cookieValue)) {
                config('fastadmin.' . $key, $cookieValue);
            }
        }
        //左侧菜单
        list($menulist, $navlist, $fixedmenu, $referermenu) = $this->auth->getSidebar([
            'dashboard' => 'hot',
            'addon'     => ['new', 'red', 'badge'],
            'auth/rule' => __('Menu'),
            'general'   => ['new', 'purple'],
        ], $this->view->site['fixedpage']);
        $action = $this->request->request('action');
        if ($this->request->isPost()) {
            if ($action == 'refreshmenu') {
                $this->success('', null, ['menulist' => $menulist, 'navlist' => $navlist]);
            }
        }
        $this->assignconfig('cookie', ['prefix' => config('cookie.prefix')]);
        $this->view->assign('menulist', $menulist);
        $this->view->assign('navlist', $navlist);
        $this->view->assign('fixedmenu', $fixedmenu);
        $this->view->assign('referermenu', $referermenu);
        $this->view->assign('title', __('Home'));
        return $this->view->fetch();
    }

    /**
     * 管理员登录
     */
    public function login()
    {
        $url = $this->request->get('url', 'index/index');
        if ($this->auth->isLogin()) {
            $this->success(__("You've logged in, do not login again"), $url);
        }
        if ($this->request->isPost()) {

            $keeplogin = $this->request->post('keeplogin');
            $captcha = $this->request->post('captcha');
            if(!$captcha) {
                $username = $this->request->post('username');
                $password = $this->request->post('password');
                $token = $this->request->post('__token__');
                $rule = [
                    'username' => 'require|length:3,30',
                    'password' => 'require|length:3,30',
                    '__token__' => 'require|token',
                ];
                $data = [
                    'username' => $username,
                    'password' => $password,
                    '__token__' => $token,
                ];
                if (Config::get('fastadmin.login_captcha')) {
                    $rule['captcha'] = 'require|captcha';
                    $data['captcha'] = $this->request->post('captcha');
                }
                $validate = new Validate($rule, [], ['username' => __('Username'), 'password' => __('Password'), 'captcha' => __('Captcha')]);
                $result = $validate->check($data);
                if (!$result) {
                    $this->error($validate->getError(), $url, ['token' => $this->request->token()]);
                }
                AdminLog::setTitle(__('Login'));
                $result = $this->auth->login($username, $password, $keeplogin ? 86400 : 0);
                if ($result === true) {
                    // 登陆成功后,短信通知账号拥有者
                     $mobile = Admin::get($this->auth->id)['mobile'];
                     (new Sample)->send_verify($mobile,$username,'SMS_243348221');
                    Hook::listen("admin_login_after", $this->request);
                    $this->success(__('Login successful'), $url, ['url' => $url, 'id' => $this->auth->id, 'username' => $username, 'avatar' => $this->auth->avatar]);
                } else {
                    $msg = $this->auth->getError();
                    $msg = $msg ? $msg : __('Username or password is incorrect');
                    $this->error($msg, $url, ['token' => $this->request->token()]);
                }
            }else{
                $mobile = $this->request->post('mobile');
                $sample = new Sample();
                if(!$sample->checkRegSms($mobile,$captcha)){
                    $this->error('验证码无效');
                }
                $tel = Admin::get(['mobile'=>$mobile]);
                // 是否已注册过账号
                if($tel){  // 注册过,直接登录
                    $result = $this->auth->login($mobile, '', $keeplogin ? 86400 : 0,1);
                    if ($result === true) {
                        Hook::listen("admin_login_after", $this->request);
                        $this->success(__('Login successful'), $url, ['url' => $url, 'id' => $this->auth->id, 'username' => $tel, 'avatar' => $this->auth->avatar]);
                    } else {
                        $msg = $this->auth->getError();
                        $msg = $msg ? $msg : __('Username or password is incorrect');
                        $this->error($msg, $url, ['token' => $this->request->token()]);
                    }
                }else{  // 没注册过, 先注册
                    $this->register($mobile);
                    $this->auth->login($mobile, '', $keeplogin ? 86400 : 0,1);
                    Hook::listen("admin_login_after", $this->request);
                    $this->success(__('Login successful'), $url, ['url' => $url, 'id' => $this->auth->id, 'username' => $tel, 'avatar' => $this->auth->avatar]);
                }
            }
        }

        // 根据客户端的cookie,判断是否可以自动登录
        if ($this->auth->autologin()) {
            Session::delete("referer");
            $this->redirect($url);
        }
        $background = Config::get('fastadmin.login_background');
        $background = $background ? (stripos($background, 'http') === 0 ? $background : config('site.cdnurl') . $background) : '';
        $this->view->assign('background', $background);
        $this->view->assign('title', __('Login'));
        Hook::listen("admin_login_init", $this->request);
        return $this->view->fetch();
    }

    /**
     * 退出登录
     */
    public function logout()
    {
        if ($this->request->isPost()) {
            $this->auth->logout();
            Hook::listen("admin_logout_after", $this->request);
            $this->success(__('Logout successful'), 'index/login');
        }
        $html = "<form id='logout_submit' name='logout_submit' action='' method='post'>" . token() . "<input type='submit' value='ok' style='display:none;'></form>";
        $html .= "<script>document.forms['logout_submit'].submit();</script>";

        return $html;
    }

    /**
     * 获取验证码
     */
    public function getCaptcha(){
        $mobile = input('mobile');
        $rand = rand(100000,999999);
        $sample = new Sample();
        $sample->send_verify($mobile,$rand,'SMS_170560412');
        return $rand;
    }

    /**
     * 注册账号
     */
    public function register($username){
        if (!Validate::is($username, '\S{6,16}')) {
            $this->error(__("Please input correct password"));
        }
        Db::startTrans();
        try{
            $params['salt'] = Random::alnum();
            $params['username'] = $username;
            $params['nickname'] = $username;
            $params['mobile'] = $username;
            $params['password'] = md5(md5($username) . $params['salt']);
            $params['avatar'] = '/assets/img/avatar.png'; //设置新管理员默认头像。
            $result = (new Admin())->save($params);
            if ($result === false) {
                $this->error($this->model->getError());
            }
            Db::commit();
        }catch(Exception $e){
            Db::rollback();
        }
    }
}