<?php
namespace app\models;

use core\base\Model;

/**
 * 昂盛达设备模型
 */
class AsdDevice extends Model
{
    protected $table = 'asd_device';

    /**
     * 获取 PDO 实例
     */
    private function db()
    {
        return \core\db\Db::pdo();
    }

    /**
     * 根据设备编码查找
     */
    public function findByCode($device_code)
    {
        return $this->where(['device_code = :code'], [':code' => $device_code])->fetch();
    }

    /**
     * 检查设备是否存在且启用
     */
    public function isActive($device_code)
    {
        $device = $this->where([
            'device_code = :code',
            'status = 1'
        ], [':code' => $device_code])->fetch();
        return $device ? $device : false;
    }

    /**
     * 根据设备编码和组别校验
     */
    public function validate($device_code, $group_name = '')
    {
        $conditions = ['device_code = :code', 'status = 1'];
        $params = [':code' => $device_code];
        if (!empty($group_name)) {
            $conditions[] = 'group_name = :group';
            $params[':group'] = $group_name;
        }
        return $this->where($conditions, $params)->fetch();
    }

    /**
     * 获取所有启用设备
     */
    public function getAllActive()
    {
        return $this->where(['status = 1'])->order(['group_name ASC', 'device_code ASC'])->fetchAll();
    }

    /**
     * 添加设备
     */
    public function addDevice($data)
    {
        return $this->add($data);
    }

    /**
     * 更新设备
     */
    public function updateDevice($id, $data)
    {
        return $this->where(['id = :id'], [':id' => $id])->update($data);
    }

    /**
     * 根据 IP 查找设备
     */
    public function findByIp($device_ip)
    {
        return $this->where(['device_ip = :ip'], [':ip' => $device_ip])->fetch();
    }

    /**
     * 根据 ID 查找设备
     */
    public function findById($id)
    {
        return $this->where(['id = :id'], [':id' => intval($id)])->fetch();
    }

    /**
     * 获取全部设备（调试页用，含禁用设备）
     */
    public function getAll()
    {
        return $this->order(['group_name ASC', 'device_code ASC'])->fetchAll();
    }
}