<?php
namespace Users;

use \Helpers\View as view;
use \Helpers\dbh as dbh;
use \Users\Member;
use \Mail\Mail;
use \Users\Listener\AccountListener;
use \Users\Listener\EditListener;
use \Users\Listener\PwdListener;

class Account extends \Zend_Controller_Plugin_Abstract
{	
	public $memberTable = "users";
	public $FieldIndex = "id";
	public $FieldUsername = "username";
	public $FieldPasword = "password";
	public $FieldLastlogin = "ts_last_login";
	public $FieldEmail = "email";
	public $FieldLastloginIp = "last_login_ip";
	public $GravatarEmailField = "gravatar_email";
	public $FieldRealname = "realname";
	
	public $RoleMember = "member";
	
	private $db;
	protected $events = NULL;		//事件

	/*
		需要挂载的事件分别放在不同的listener中，将各种操作进行模块化细分
	*/
	function __construct($initializingListener = TRUE,$db = NULL)
	{
		if(empty($db))
		{
			$this->db = \Zend_Registry::get('db');
		}else{
			$this->db = $db;
		}
		
		$this->config = \Zend_Registry::get('config');
		
		if($initializingListener === TRUE)
		{
			$this->loadListener();
		}
	}
	
	public function loadListener()
	{
		//主要操作，账号注册，登录，设置session等
		$AccountListener = new AccountListener();
		@$this->events()->attachAggregate($AccountListener);
		
		//账户编辑
		$EditListener = new EditListener();
		@$this->events()->attachAggregate($EditListener);
		
		//账户安全性(找回密码)
		$PwdListener = new PwdListener();
		@$this->events()->attachAggregate($PwdListener);
	}
	
	public function events(\Zend_EventManager_EventCollection $events = NULL)
    {
        if ($events !== NULL) {
            $this->events = $events;
        } elseif ($this->events === NULL) {
            $this->events = new \Zend_EventManager_EventManager(__CLASS__);
        }
        return $this->events;
    }
	
	//获取账号信息,数组
	public function getAccountInfo($id = 0)
	{
		if($id == 0)
		{
			$id = view::User('id');
		}
		$sql = "SELECT * FROM {$this->memberTable} WHERE id=$id";
		$rs = $this->db->query($sql);
		return $rs->fetch();
	}

	//注册
	public function register($data)
	{
		$params = compact('data');
        $results = $this->events()->trigger('register.checkParam', $this, $params);
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			if(!is_array($cache_data))
			{
				return array('error'=>$cache_data);
			}else{
				return $cache_data;
			}
		}
		
        $results = $this->events()->trigger('register.checkUser', $this, $params);
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			if(!is_array($cache_data))
			{
				return array('error'=>$cache_data);
			}else{
				return $cache_data;
			}
		}
		
		$loginData = array(
			'username'=>$data['username'],
			'password'=>$data['password']
		);
		
		$data['password'] = md5($data['password']);
		$data['usertype'] = "member";
		unset($data['confirm_password']);
		
		$dbh = new dbh();
		
		$id = $dbh->insert($this->memberTable,$data,true);
		
		if(!empty($id) && is_numeric($id))
		{
			$this->storeLogin($loginData);
			$mb = new Member();
			$mb->putcookie($data[$this->FieldUsername],$data[$this->FieldPasword]); //username, md5(password)
			$params = compact('data','id');
        	$results = $this->events()->trigger('register.success', $this, $params);
			return array("success" => 1);
		}else{
			if($id === false)
			{
				return array('error'=>'服务器开小差了，请稍后再试');
			}else{
				return array('error'=>'服务器处理中遇到错误，请联系管理员');
			}
		}
		
	}//register
	
	//登陆
	public function login($data,$return_user_info = false)
	{
        $results = $this->events()->trigger('login.checkParam', $this, compact('data'));
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			if(!is_array($cache_data))
			{
				return array('error'=>$cache_data);
			}else{
				return $cache_data;
			}
		}
		
		$state = $this->storeLogin($data);
		
		$mb = new Member();
		$mb->putcookie($data[$this->FieldUsername],md5($data[$this->FieldPasword]));
			
		if(!$return_user_info)
			return $state;
		else
			return view::User();
	}//login
	
	//storeLogin
	//将登录信息保存在session和cookie中
	public function storeLogin($data,$md5verify = true)
	{	
		$auth = \Zend_Auth::getInstance();
		$authAdapter = new \Zend_Auth_Adapter_DbTable($this->db);
		$authAdapter->setTableName($this->memberTable)
					->setIdentityColumn($this->FieldUsername)
					->setCredentialColumn($this->FieldPasword);
		
		if(empty($data[$this->FieldPasword]))
		{
			$password = "0";
		}else{
			if($md5verify == false)
			{
				$password = $data[$this->FieldPasword];
			}else{
				$password = md5($data[$this->FieldPasword]);
			}
		}
		
		$authAdapter->setIdentity($data[$this->FieldUsername])->setCredential($password);
		
		$result = $auth->authenticate($authAdapter);
		
		if ($result->isValid()) {
			
			$user = $authAdapter->getResultRowObject(null,$this->FieldPasword);
			$email = $user->email;
			$results = $this->events()->trigger('login.success.createAvatar', $this, compact('email'));
			$user->avatar = $results->bottom();
			$auth->getStorage()->write($user);
			
			$id = $user->id;
			@$results = $this->events()->trigger('login.success.updateStatus', $this, compact('id'));
			
			return array('success'=>1);
		}else{
			return array("error"=>"登录失败，请重试");
		}
		
		return array('error'=>'处理中发现错误，请重试');
	}
	
	//注册信息参数
	public function getParam(\Zend_Controller_Request_Abstract $request)
	{
		$data = array(
			'username'=>$request->getParam('username'),
			'password'=>$request->getParam('password'),
			'confirm_password'=>$request->getParam('confirm_password'),
			'email'=>$request->getParam('email'),
			'realname'=>$request->getParam('realname')
		);
		return $data;
	}
	
	//获取用户账户修改参数
	public function getEditParam(\Zend_Controller_Request_Abstract $request)
	{
		$type = $request->getParam('type');
		
		if($type == "general")
		{
			$data = array(
				'realname'=>$request->getParam('realname'),
				'signature'=>$request->getParam('signature'),
				'description'=>$request->getParam('description')
			);
		}
		
		if($type == "password")
		{
			$data = array(
				'password' => $request->getParam('password'),
				'password_new'=>$request->getParam('password_new'),
				'password_confirm'=>$request->getParam('password_confirm')
			);
		}
		return $data;
	}
	
	//编辑
	public function edit($data,$type)
	{
		$results = $this->events()->trigger('edit.checkParam', $this, compact('data','type'));
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			return $cache_data;
		}
		
		if($type == "general")
		{
			$data['signature'] = htmlspecialchars($data['signature']);
			$data['description'] = htmlspecialchars($data['description']);
		}else if($type == "password")
		{
			$data['password'] = md5($data['password_new']);
			unset($data['password_new']);
			unset($data['password_confirm']);
		}else{
			return "参数错误";
		}
		
		$dbh = new dbh();
		$uid = view::User('id');
		if($dbh->update($this->memberTable,$data," id=$uid") === true)
		{
			return true;
		}else{
			return false;
		}
	}
	
	//找回密码
	public function getMyPassword($email)
	{
		$results = $this->events()->trigger('pwd.forgot.checkParam', $this, compact('email'));
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			return $cache_data;
		}
		
		$sql = "SELECT * FROM {$this->memberTable} WHERE email='$email'";
		$rs = $this->db->query($sql);
		$row = $rs->fetch();
		
		if(!isset($row['username']) || empty($row['username']))
		{
			return array('error'=>"此邮箱并未注册",'place'=>'email');
		}	
		
		$salt = md5($email.'---'.$row['username']);
		
		$sql = "UPDATE {$this->memberTable} SET salt='$salt' WHERE id={$row['id']}";
		$state = $this->db->exec($sql);
		
		if($state<1)
		{
			return array('error'=>"处理中出现错误，请重试",'place'=>'email');
		}
		
		$mail_template = "forgotpassword";
		$mail_data = array(
			'name'=>$row['realname'],
			'link'=> view::getHostLink().'/account/getpassword/salt/'.$salt
		);
		
		$mail = new Mail();
		
		$mail->loadTemplate($mail_template,$mail_data);
		$mail->addTo($email,$row['realname']);
		$mail->send();
		
		return array("success"=>1);
	}
	
	//重置密码
	public function resetPassword($data)
	{
		$results = $this->events()->trigger('pwd.reset.checkParam', $this, compact('data'));
		$cache_data = $results->bottom();
		
		if($cache_data !== true)
		{
			return $cache_data;
		}
		
		$sql = "SELECT * FROM {$this->memberTable} WHERE salt=?";
		$sth = $this->db->prepare($sql);
		$sth->execute(array($data['salt']));
		$row = $sth->fetch();
		
		if(!isset($row['username']) || empty($row['username']))
		{
			return array('error'=>"您提供的校验码不正确，请重新申请重置密码",'place'=>'confirm_password'); 
		}
		
		if($row['username'] !== $data['username'])
		{
			return array('error'=>"您提供的校验码不正确，请重新申请重置密码",'place'=>'confirm_password');
		}
		
		$sql = "UPDATE {$this->memberTable} SET password='".md5($data['password'])."',salt='' WHERE id={$row['id']}";
		$this->db->exec($sql);
		
		$mail_template = "getpassworded";
		$mail_data = array(
			'name'=>$row['realname'],
		);
		$mail = new Mail();
		$mail->loadTemplate($mail_template,$mail_data);
		$mail->addTo($row['email'],$row['realname']);
		$mail->send();
		
		return true;
		
	}
	
}