<?php
namespace app\admin\controller;

/**
*	登录
*/
class Login extends Admin{

  protected $User = null; 
  protected $Role = null;
  public function init(){
    $this->User = model('User');
    $this->Role = model('Role');
  }

  public function index(){
    if($user = is_login('admin')){
      session('admin_auth', null);
    } 

    $this->assign('meta_title','管理员登录');
    return $this->fetch();
  } 

  public function check(){
    if ($this->request->isPost()) {
      if (config('captcha.on')) {
        $vercode = input('post.vercode');
        if(!captcha_check($vercode)){
          return json(['data'=>$vercode,'code'=>1,'msg'=>'验证码错误']);
        };
      }

      $adminrole = $this->Role->where(['name'=>'admin','state'=>1])->find();
      if (!$adminrole) {
        return json(['data'=>null,'code'=>1,'msg'=>'缺少管理员角色']);
      }

      $user_name = input('post.username');
      $user_password = input('post.password');
      $where = "u.name = '".$user_name."' and u.state = 1 and (r.pid = ".$adminrole['id']." or r.id = ".$adminrole['id'].")";
      $user = $this->User->field('u.id,u.name,u.password,u.state,u.role_id,u.salt,u.mobile')
              ->alias('u')
              ->join('Role r','r.id = u.role_id')
              ->where($where)->find();
      if(!$user || 1 != $user['state']) {
        output(1,'用户不存在或已被禁用');
      }
      $salt = $user['salt'];
      $user_password = md5(md5($user_password).$salt);
      if($user['password'] !== $user_password){
        output(1,'密码错误');
      }
      if($this->updateInfo($user)){
        $jump_url = url('admin/index/index');
        return json(['data'=>['jump_url'=>$jump_url],'code'=>0,'msg'=>'登录成功']);
      }else{
        return json(['data'=>'','code'=>1,'msg'=>'登录失败']);
      }
    }
  }

    //更新用户登录信息
  private function updateInfo($user){
    /* 更新登录信息 */
    $data = array(
      'id'              => $user['id'],
      'login_times'     => ['inc', 1],
      'last_login_time' => $this->request->time(),
      'last_login_ip'   => $this->request->ip(),
    );

    if($this->User->update($data)){
      $auth['id'] = $user['id'];
      $auth['name'] = $user['name'];
      $auth['mobile'] = $user['mobile'];
      $auth['role'] = $user['role']->toArray();
      session('admin_auth', $auth);
      return true;
    }else{
      return false;
    }
  }

  public function forget(){
    if($this->request->isPost()){
      $username = input('post.username');
      if (empty($username)) {
        $this->output(1,'请输入用户名');
      }
      $user = $this->User->where(['name'=>$username])->find();
      if(!$user){
        $this->output(1,'用户名错误');
      }
      $mobile = input('post.mobile');
      if (empty($mobile)) {
        $this->output(1,'手机号码不能为空');
      }
      if($mobile != $user['mobile']){
        $this->output(1,'手机号错误');
      }
      $password = input('post.password');
      if (empty($password)) {
        $this->output(1,'请输入新的密码');
      }
      $this->checksms($mobile);
      $salt = $user['salt'];
      $user->password = md5(md5($password).$salt);
      $user->update_time = $this->request->time();
      $result = $user->save();
      if (!$result) {
        $this->output(1,'保存失败');
      }
      $jump_url = url('login/index');
      $this->output(0,'保存成功',['jump_url'=>$jump_url]);
    }else{
      $this->assign('meta_title','重置密码');
      return $this->fetch();
    }
  }
}