<?php
namespace app\models;

use core\base\Model;

/**
 * 通用工位记录模型
 * 用于动态添加的工位类型的数据存储
 * 通过 station_type 字段区分不同工位
 */
class StationRecord extends Model
{
    protected $table = 'station_records';

    /**
     * 根据工位类型获取记录
     */
    public function getByStationType($stationType, $limit = 100)
    {
        return $this->where(['station_type = :type'], [':type' => $stationType])
                    ->order(['created_at DESC'])
                    ->limit($limit)
                    ->fetchAll();
    }

    /**
     * 添加记录
     * @param string $stationType 工位类型
     * @param array  $data        字段名→值的键值对
     * @param string $operator    操作人
     */
    public function addRecord($stationType, $data, $operator = '')
    {
        return $this->add([
            'station_type' => $stationType,
            'record_data'  => json_encode($data, JSON_UNESCAPED_UNICODE),
            'operator'     => $operator,
            'created_at'   => date('Y-m-d H:i:s'),
        ]);
    }

    /**
     * 统计今日某操作人的记录数
     */
    public function countTodayByOperator($operator, $stationType = null)
    {
        $conditions = [];
        $params = [];
        
        $conditions[] = 'operator = :operator';
        $params[':operator'] = $operator;
        
        $conditions[] = 'DATE(created_at) = CURDATE()';
        
        if ($stationType) {
            $conditions[] = 'station_type = :type';
            $params[':type'] = $stationType;
        }
        
        $result = $this->where($conditions, $params)
                       ->field('COUNT(*) as cnt')
                       ->fetch();
        return $result['cnt'] ?? 0;
    }
}