<?php

namespace app\api\controller\ps;

use app\common\controller\Api;
use app\common\library\ps\BizExtractor;
use app\common\library\ps\BizIngest;
use app\common\library\ps\FactoryContext;

/**
 * 文件导入产品 / 工单（登录工厂账号）
 */
class Import extends Api
{
    protected $noNeedRight = '*';

    public function _initialize()
    {
        parent::_initialize();
        if (!FactoryContext::id()) {
            $this->error('账号未绑定工厂');
        }
    }

    /**
     * 上传文件，AI/规则提取后返回预览，不入库
     */
    public function preview()
    {
        @set_time_limit(180);
        $type = $this->request->post('type', 'workorder');
        $type = $type === 'product' ? 'product' : 'workorder';
        $file = $this->request->file('file');
        if (!$file) {
            $this->error('请选择文件');
        }
        $dir = RUNTIME_PATH . 'import' . DS;
        if (!is_dir($dir)) {
            @mkdir($dir, 0755, true);
        }
        $info = $file->validate([
            'size' => 12 * 1024 * 1024,
            'ext'  => 'csv,txt,xlsx,xls,pdf,png,jpg,jpeg,webp,bmp',
        ])->move($dir);
        if (!$info) {
            $this->error($file->getError() ?: '上传失败');
        }
        $path = $info->getPathname();
        try {
            $data = BizExtractor::extract($path, $type);
        } catch (\Exception $e) {
            @unlink($path);
            $this->error($e->getMessage());
        }
        @unlink($path);
        $this->success('已识别，请核对后确认导入', $data);
    }

    /**
     * 确认写入数据库
     */
    public function confirm()
    {
        $type = $this->request->post('type', 'workorder');
        $type = $type === 'product' ? 'product' : 'workorder';
        $items = $this->request->post('items/a');
        if (!$items) {
            $raw = $this->request->post('items_json', '', null);
            $items = json_decode((string)$raw, true);
        }
        if (!is_array($items) || !$items) {
            $this->error('没有可导入的数据');
        }
        $items = BizExtractor::normalizeItems($items, $type);
        $saved = [];
        $errors = [];
        foreach ($items as $i => $item) {
            try {
                if ($type === 'product') {
                    $row = BizIngest::saveProduct($item, $this->auth->id);
                    $saved[] = ['id' => (int)$row->id, 'code' => $row->code, 'name' => $row->name];
                } else {
                    $row = BizIngest::saveWorkorder($item, $this->auth->id);
                    $saved[] = ['id' => (int)$row->id, 'no' => $row->no];
                }
            } catch (\Exception $e) {
                $errors[] = '第' . ($i + 1) . '条：' . $e->getMessage();
            }
        }
        if (!$saved) {
            $this->error($errors ? implode('；', $errors) : '导入失败');
        }
        $this->success('已导入 ' . count($saved) . ' 条', [
            'saved'  => $saved,
            'errors' => $errors,
        ]);
    }
}