<?php
/**
 * 简易数据库操作类
 *
 * @author Jinhui Zhu<jinhui.zhu@live.cn>2015-12-10 14:35
 *
 * usage:
 *
 * @method setPrivateKey(array $data);
 */
namespace Qii\Driver;

use Qii\Exceptions\InvalidParams;

/**
 * 用法 ：
 * 首先需要创建 _ormRules 文件 rules/user.php
    use Qii\Base\Rules;
    class user extends Rules {
        public $table = 'user';
        pubic function fields(){
           return ['uid', 'nickname', 'password'];
        }
        public function constants() {
            $this->addRequiredFields(
                ['id', '用户ID不能为空'],
                ['nickname', '昵称不能为空'],
                ['password', '密码不能为空'],
            );

            $this->addNumberFields(
                ['uid', '用户ID必须是数字']
            );
            $this->addSafeFields(
                ['nickname', '昵称格式不正确，不能包含怪字符']
            );
            $this->addPasswordFields(
                ['password', '密码格式不正确']
            );
        }
    }
    use Qii\Driver\EasyDrive;

    class user extends EasyDrive {

        public $_ormRules = 'rules\user';
        public function __construct()
        {
            parent::__construct();
        }
    }

    $user = new user();
    $user->uid = 1;
    $user->nickname = 'admin';
    $user->password = md5('asdfadsfasdadfadf');
    $response = $user->save();

    $user->setPrivatekey(['uid']);
    $response = $user->exist();

    if($response->isError()) {
        return ['code' => $response->getCode(), 'msg' => $response->getMessage()]
   }
   if($response->count() > 0) {
        return $response->getResult();
   }
 *
 *
 */
class EasyDrive {
    public $_ormRules = '';
    protected $_easyORM;
    protected $db;
    /**
     * @throws InvalidParams
     */
    public function __construct(){
        if ($this->_ormRules == '') {
            throw new InvalidParams('_ormRules is null');
        }
        $this->_easyORM = new \Qii\Driver\EasyORM(_loadClass($this->_ormRules));
        $this->db = $this->getDB();
    }

    /**
     * 获取DB属性
     * @return mixed
     */
    public function getDB() {
        return $this->_easyORM->getDB();
    }

    /**
     * 获取规则
     *
     * @return mixed
     */
    public function getRules() {
        return $this->_easyORM->getRules();
    }

    /**
     * 获取所有的字段
     *
     * @return mixed
     */
    public function getFields() {
        return $this->_easyORM->getFields();
    }

    /**
     * 设置表名，将rules暴露到外边
     *
     * @param string $table 表名
     * @return mixed
     */
    public function setTable($table) {
        $this->_easyORM->setTable($table);
        return $this;
    }

    /**
     * 返回表名
     *
     * @return mixed
     */
    public function getTable() {
        return $this->_easyORM->getTable();
    }

    /**
     * 获取字段及值
     *
     * @return mixed
     */
    public function getValues() {
        return $this->_easyORM->getValues();
    }

    public function __set($name, $value) {
        $this->_easyORM->$name = $value;
    }

    /**
     * 设置主键
     *
     * @param array $array 数组形式
     * @return EasyORM
     */
    public function setPrivateKey($array) {
        $this->_easyORM->setPrivateKey($array);
        return $this;
    }

    /**
     * 设置排除的内容
     *
     * @param array $array
     * @return $this
     */
    public function setExclude($array) {
        $this->_easyORM->setExcluded($array);
        return $this;
    }

    /**
     * __call 自动调用_easyORM中的方法
     *
     * @param string $method
     * @param mixed $args
     * @return mixed
     */
    public function __call($method, $args) {
        return call_user_func_array(array($this->_easyORM, $method), $args);
    }
}