<?php
namespace app\admin\controller;

use app\common\controller\BaseController;
use app\common\model\PostCategory;
use app\common\model\Sku;
use app\common\model\SkuAttribute;
use app\common\service\OssService;
use app\common\service\UploadService;
use app\common\traits\crud\CrudControllerTrait;
use app\common\service\SkuService;
use PhpOffice\PhpSpreadsheet\IOFactory;
use support\Db;
use support\Request;
use support\Response;
use ZipArchive;

class SkuController extends BaseController
{
    use CrudControllerTrait;

    protected $noNeedLogin = ['template'];

    protected $noNeedHeaderData = ['template'];

    protected $service;

    public function __construct()
    {
        $this->service = new SkuService();
    }
    public function store(Request $request)
    {
        try {
            $data = $this->validate($this->service->getValidator(), $request->post(), 'store');
            $res = $this->service->serviceStore($request, $data);
            return $this->success($res, '创建成功');
        } catch (\Throwable $e) {
            return $this->error($e->getMessage().$e->getLine().$e->getFile());
        }
    }
    /**
     * 列表页数据格式化
     *
     * @param array $data
     * @return array
     */
    protected function indexFormat($data)
    {
        if (isset($data['created_at']))
            $data['created_at'] = date('Y-m-d H:i:s', $data['created_at']);
        if (isset($data['updated_at']))
            $data['updated_at'] = date('Y-m-d H:i:s', $data['updated_at']);
        if (isset($data['spec_json'])){
            $data['spec'] = json_decode($data['spec_json'], true);
        }
        if (isset($data['category_id']))
            $data['category_name'] = PostCategory::where('id', $data['category_id'])->value('name');
        $ossservice = new OssService();
        if (!empty($data['image'])){
            $data['image'] = explode(',',$data['image']);
            foreach ($data['image'] as $key => $image){
                $data['image_pull'][$key] = $ossservice->generatePrivateUrl($image);
            }
        }
        if (!empty($data['main_image'])){
            $data['main_image_pull'] = $ossservice->generatePrivateUrl($data['main_image']);
        }
        return $data;
    }


    public function import(Request $request)
    {
//        ini_set('memory_limit', '512M');
        $file = $request->file('file');
        if (!$file) return $this->error('未上传文件');;

        $zipPath = runtime_path('upload/' . uniqid() . '.zip');
        $file->move($zipPath);

        $extractTo = runtime_path('upload/import/');

        clearstatcache(true, $zipPath);
        $this->unzipPackage($zipPath,$extractTo);

        $path = runtime_path('upload/import/product.xlsx');
        $spreadsheet = IOFactory::load($path);
        $sheet = $spreadsheet->getActiveSheet();

        // 提取图片（按行号）
        //$rowImages = $this->extractImages($sheet);

        $highestRow = $sheet->getHighestRow();
        $highestCol = $sheet->getHighestColumn();

        $header = $sheet->rangeToArray("A1:{$highestCol}1")[0];
//        $header = array_map('trim', $header);

        $allowFields = [
            'product_name' => '产品名称',
            'model' => '产品型号',
            'brand' => '品牌',
            'category_id' => '分类',
            'price' => '价格',
            //'spec_json' => '商品属性'
        ];
        $fieldsName = array_flip($allowFields);
//        $attributeFields = [
//            '外观' => '外观',
//            '产品尺寸（宽*高*深）' => '产品尺寸（宽*高*深）',
//            '开孔尺寸（宽*高*深）' => '开孔尺寸（宽*高*深）',
//            '容积' => '容积',
//            '产品卖点' => '产品卖点',
//        ];
//        $attributeFieldsName = array_flip($attributeFields);

        $insertData = [];
        $now = time();

        Db::beginTransaction();
        $uploadService = new UploadService();
        try {
            for ($row = 2; $row <= $highestRow; $row++) {
                $rowData = $sheet->rangeToArray(
                    "A{$row}:{$highestCol}{$row}", null, true, false
                )[0];

                $data = [];
                $attributes = [];
                foreach ($header as $i => $field) {
                    if (in_array($field, $allowFields)) {
                        $data[$fieldsName[$field]] = trim((string)($rowData[$i] ?? ''));
                    }

                    //商品属性
//                    if (in_array($field, $attributeFields) && !empty($rowData[$i])) {
//                        $attributes[$attributeFieldsName[$field]] = trim((string)($rowData[$i] ?? ''));
//                    }
                }

                if (empty($data['product_name'])) {
                    continue;
                }

                $data['category_id'] = PostCategory::where('name', $rowData[4])->value('id')??0;


//                $sku = Sku::where('model', $data['model'])->first();
//                $sku->spec_json = $data['spec_json'];
//                $sku->save();

                $data['code'] = $this->service->generateUniqueCode();
                $data['brand'] = $data['brand'] ?: '西门子';
                $data['price'] = $data['price'] ?: 0;
                $data['status'] = $data['status'] ?? 1;

                // 图片
                //$data['main_image'] = $rowImages[$row] ?? null;

                $data['created_at'] = $now;
                $data['updated_at'] = $now;

                $insertData[] = $data;

                if (count($insertData) >= 200) {
                    Sku::insert($insertData);
//                    Db::table('sku')->insert($insertData);
                    $insertData = [];
                }
            }
            @unlink($zipPath);

            if ($insertData) {
                Sku::insert($insertData);
//                Db::table('sku')->insert($insertData);
            }

            Db::commit();
        } catch (\Throwable $e) {
            Db::rollBack();
            return $this->error($e->getMessage().$e->getLine().$e->getFile());
        } finally {
            @unlink($path);
        }

        return $this->success([], '导入成功');
    }

    /**
     * 解压 zip 文件
     *
     * @param string $zipPath   zip 文件绝对路径
     * @param string $extractTo 解压目录
     * @return bool
     */
    function unzipPackage(string $zipPath, string $extractTo): bool
    {
        if (!file_exists($zipPath)) {
            throw new \Exception('ZIP 文件不存在');
        }

        if (!is_dir($extractTo)) {
            mkdir($extractTo, 0755, true);
        }

        $zip = new ZipArchive();
        if ($zip->open($zipPath) !== true) {
            throw new \Exception('ZIP 文件打开失败');
        }

        $zip->extractTo($extractTo);
        $zip->close();

        return true;
    }


    /**
     * 下载 Excel 示例模板
     */
    public function template(Request $request): Response
    {
        $filePath = runtime_path() . '/upload/import.zip';

        if (!file_exists($filePath)) {
            return response('文件不存在', 404);
        }

        return response()->download(
            $filePath,
            '导入示例.zip'   // 下载时显示的文件名
        );
    }
}