<?php
namespace app\models;

use core\base\Model;

/**
 * 昂盛达上位机测试数据模型
 */
class AsdTestData extends Model
{
    protected $table = 'asd_test_record';

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

    /**
     * 获取所有测试记录（含统计信息）
     */
    public function getAllWithStats($keyword = '', $limit = 50)
    {
        $sql = "SELECT r.*, 
                       COUNT(d.id) AS step_count,
                       SUM(CASE WHEN d.test_result = 'FAIL' THEN 1 ELSE 0 END) AS fail_count
                FROM DGZXY_asd_test_record r
                LEFT JOIN DGZXY_asd_test_detail d ON r.id = d.record_id";
        
        $params = [];
        if (!empty($keyword)) {
            $sql .= " WHERE r.qr_code LIKE :keyword";
            $params[':keyword'] = '%' . $keyword . '%';
        }
        
        $sql .= " GROUP BY r.id ORDER BY r.id DESC LIMIT " . intval($limit);
        
        $stmt = $this->db()->prepare($sql);
        $stmt->execute($params);
        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
    }

    /**
     * 新增测试记录主表，返回插入ID
     *
     * 兼容接口字段名（v1.5）与数据库实际列名的差异：
     *   status       -> test_result   （整体测试结果 PASS/NG）
     *   device       -> device_code    （设备序列号）
     *   test_time    -> test_date      （测试时间）
     *   project_name -> product_model  （产品/项目名称）
     * 其余接口字段（tester/mo/site/station/work_order/group_name/running_time）
     * 已通过迁移脚本 upgrade_asd_api_20260718.sql 直接补齐为独立列。
     */
    public function addRecord($data)
    {
        $map = [
            'status'       => 'test_result',
            'device'       => 'device_code',
            'test_time'    => 'test_date',
            'project_name' => 'product_model',
        ];
        foreach ($map as $from => $to) {
            if (array_key_exists($from, $data)) {
                // 仅当目标列尚未显式传入时才用接口值填充，避免覆盖
                if (!array_key_exists($to, $data) || $data[$to] === '' || $data[$to] === null) {
                    $data[$to] = $data[$from];
                }
                unset($data[$from]);
            }
        }

        $result = $this->add($data);
        if ($result) {
            return $this->db()->lastInsertId();
        }
        return false;
    }

    /**
     * 根据ID获取测试记录
     */
    public function findById($id)
    {
        return $this->where(['id = :id'], [':id' => $id])->fetch();
    }

    /**
     * 新增测试工步详情
     */
    public function addDetail($data)
    {
        $sql = "INSERT INTO DGZXY_asd_test_detail 
                (record_id, seq, test_name, test_item, test_units, data_value, lower_limit, upper_limit, test_value, test_limit, test_result)
                VALUES 
                (:record_id, :seq, :test_name, :test_item, :test_units, :data_value, :lower_limit, :upper_limit, :test_value, :test_limit, :test_result)";
        $stmt = $this->db()->prepare($sql);
        return $stmt->execute([
            ':record_id'   => $data['record_id'],
            ':seq'         => $data['seq'] ?? 1,
            ':test_name'   => $data['test_name'] ?? '',
            ':test_item'   => $data['test_item'] ?? '',
            ':test_units'  => $data['test_units'] ?? '',
            ':data_value'  => $data['data_value'] ?? null,
            ':lower_limit' => $data['lower_limit'] ?? null,
            ':upper_limit' => $data['upper_limit'] ?? null,
            ':test_value'  => $data['test_value'] ?? '',
            ':test_limit'  => $data['test_limit'] ?? '',
            ':test_result' => $data['test_result'] ?? 'PASS',
        ]);
    }

    /**
     * 根据记录ID获取所有工步详情
     */
    public function getDetails($recordId)
    {
        $stmt = $this->db()->prepare("SELECT * FROM DGZXY_asd_test_detail WHERE record_id = :rid ORDER BY seq ASC");
        $stmt->execute([':rid' => $recordId]);
        return $stmt->fetchAll(\PDO::FETCH_ASSOC);
    }

    /**
     * 删除测试记录（级联删除详情）
     */
    public function deleteRecord($id)
    {
        // 先删详情（FOREIGN KEY ON DELETE CASCADE 会自动处理，这里显式处理更安全）
        $this->db()->prepare("DELETE FROM DGZXY_asd_test_detail WHERE record_id = :rid")->execute([':rid' => $id]);
        // 再删主表
        return $this->delete($id);
    }

    /**
     * 统计记录数
     */
    public function countRecords($keyword = '')
    {
        if (!empty($keyword)) {
            $stmt = $this->db()->prepare("SELECT COUNT(*) AS cnt FROM DGZXY_asd_test_record WHERE qr_code LIKE :kw");
            $stmt->execute([':kw' => '%' . $keyword . '%']);
            return $stmt->fetch(\PDO::FETCH_ASSOC)['cnt'];
        }
        $stmt = $this->db()->prepare("SELECT COUNT(*) AS cnt FROM DGZXY_asd_test_record");
        $stmt->execute();
        return $stmt->fetch(\PDO::FETCH_ASSOC)['cnt'];
    }
}