<?php

namespace App\Service;

use App\Import\Import;
use App\Model\BasicType;
use App\Model\Product;
use App\Model\ProductCategory;
use PhpOffice\PhpSpreadsheet\IOFactory;

class ImportService extends Service
{
    public static $type = [
        'product', //产品
    ];

    //导入入口
    public function import($data,$user){
        if(empty($data['type'])) return [false,'缺少导入类型，导入失败'];
        if(! in_array($data['type'],self::$type)) return [false,'导入类型不存在，导入失败'];
        if(empty($data['file'])) return [false,'导入文件不能为空'];

        //导入的数据并且校验写入
        list($status,$msg) = $this->importMain($data,$user);
        if(! $status) return [false, $msg];

        return [true, ''];
    }

    //主方法
    public function importMain($data,$user){
        //获取配置文件
        $config = "excel." . $data['type'];
        $config_array = config($config) ?? [];
        if(empty($config_array)) return [false, '配置文件不存在'];

        //(特殊 额外的表头数据)
        $config_array = $this->getTableTitle($config_array,$user,$data);

        //获取合并单元格范围
        $uploadedFile = $_FILES['file']['tmp_name']; // 获取上传文件的临时路径
        $spreadsheet = IOFactory::load($uploadedFile); // 加载上传的 Excel 文件
        $worksheet = $spreadsheet->getActiveSheet(); // 获取第一个工作表
        $mergedCells = $worksheet->getMergeCells(); // 获取单元格合并范围

        // 需要导入的公用数据
        $msg['user_id'] = $user['id'];
        $msg['depart_id'] = $this->getDepart($user);
        $msg['top_depart_id'] = $user['depart_map'][$msg['depart_id']] ?? 0;

        //导入
        $import = new Import();
        $import->setConfig($config_array, $mergedCells,$msg);
        \Maatwebsite\Excel\Facades\Excel::import($import,$data['file']);

        //异常提示报错
        if($import->getMsg()) return [false, $import->getMsg()];

        return [true, ''];
    }

    //表头入口
    public function getTableTitle($config_array,$user,$data){
        if(! empty($config_array['dynamics_field'])){
            $func = $config_array['dynamics_field']['func'];
            return $this->$func($config_array,$user,$data);
        }

        return $config_array;
    }

    //产品导入的额外表头
    public function productTitle($config_array,$user,$data){
        $model = BasicType::TopClear($user,$data);
        $result = $model->whereRaw('type = 22 And del_time = 0')->get()->toArray();
        if(! empty($result)){
            foreach ($result as $value){
                $config_array['field'][$value['title']] = [
                    "key" => $config_array['dynamics_field']['name'],
                    "key_array" => [
                        "basic_type_id" => $value['id'],
                        "price" => 0,
                    ],
                    "rule" => "",
                    "other_rule" => "is_numeric",
                    "multiple" => true,
                    "map" => [
                        $value['title'] => "price",
                    ],
                ];
            }
        }

        return $config_array;
    }

    //产品导入的额外数据
    public function fillInsertProductData($time){
        $last_insert_data = Product::where('crt_time',$time)
            ->where('del_time',0)
            ->select("id","product_category_id")
            ->get()->toArray();
        if(empty($last_insert_data)) return;

        $list = ProductCategory::where('del_time',0)
            ->select('id','parent_id')
            ->get()->toArray();

        foreach ($last_insert_data as $value){
            $parentsId = $this->findParentIds($value['product_category_id'], $list);
            array_unshift($parentsId, $value['product_category_id']);
            $result = array_reverse($parentsId);
            Product::where('id',$value['id'])->update([
                'product_category' => json_encode($result)
            ]);
        }
    }
}