<?php

namespace App\Jobs;

use App\Models\LibraryBook;
use App\Models\LibraryCategory;
use App\Models\LibraryTask;
use Illuminate\Bus\Queueable;
use Illuminate\Contracts\Queue\ShouldQueue;
use Illuminate\Foundation\Bus\Dispatchable;
use Illuminate\Queue\InteractsWithQueue;
use Illuminate\Queue\SerializesModels;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;

class ImportTaskJob implements ShouldQueue
{
    use Dispatchable, InteractsWithQueue, Queueable, SerializesModels;

    protected $tid = 0;

    /**
     * Create a new job instance.
     *
     * @return void
     */
    public function __construct($tid)
    {
        $this->tid = $tid;
    }

    /**
     * Execute the job.
     *
     * @return void
     */
    public function handle()
    {
        $this->import();
    }

    /**
     * 导入数据
     * @return false|void
     */
    public function import()
    {
        $task = LibraryTask::query()->find($this->tid);
        $task->status = LibraryTask::STATUS_IN;
        $task->save();

        $path = Storage::disk(config('admin.upload.disk'))->path($task->path);

        if (!file_exists($path)) {
            $task->status = LibraryTask::STATUS_FAIL;
            $task->message = '找不到文件';
            $task->save();
            Log::error('*************找不到文件***************');
            Log::error($path);
            return false;
        }

        try {
            $config = ['path' => ''];
            $excel = new \Vtiful\Kernel\Excel($config);
            $excel->openFile($path)
                ->openSheet()
                ->setSkipRows(1);

            //处理数据
            $data = [];
            Log::error('*************开始读取数据*****************');

            while (($row = $excel->nextRow()) !== NULL) {
                $nums = count($row);
                if ($nums == 6) {
                    list(
                        $xh,
                        $type_name,
                        $source,
                        $name,
                        $link,
                        $cover_path,
                        ) = $row;
                    $type = array_search($type_name, LibraryCategory::resourceTypeMaps);
                    if (!$type) {
                        Log::error("*************类型不对{$type_name}*****************");
                        continue;
                    }

                    $data[] = [
                        'xh' => $xh,
                        'type' => $type,
                        'source' => $source,
                        'name' => $name,
                        'link' => $link,
                        'cover_path' => $cover_path,
                    ];
                }
            }

            Log::error("数据读取完成");
            $n = count($data);
            Log::error("开始写入数据：共{$n}条");
            //数据写入
            DB::beginTransaction();
            $total_nums = 0;
            foreach ($data as $i => $item) {
                $book = LibraryBook::query()->where('category_id', $task->category_id)->where('name', $item['name'])->where('resource_type', $item['type'])->first();
                if ($book) {
                    $book->fill([
                            'category_id' => $task->category_id,
                            'name' => $item['name'],
                            'resource_type' => $item['type'],
                            'source' => $item['source'],
                            'body' => $item['link'],
                            'cover_path' => $item['cover_path']]
                    );
                    $book->save();
                    continue;
                }
                LibraryBook::query()->create([
                    'name' => $item['name'],
                    'category_id' => $task->category_id,
                    'resource_type' => $item['type'],
                    'source' => $item['source'],
                    'body' => $item['link'],
                    'cover_path' => $item['cover_path'],
                    'task_id' => $task->id,
                ]);
                $total_nums++;
            }

            DB::commit();
            Log::error("-----------完成---------------");
            $task->status = LibraryTask::STATUS_SUCCESS;
            $task->message = "共读取{$n}条，共导入{$total_nums}条。";
            $task->save();
        } catch (\Exception $exception) {
            DB::rollBack();
            $task->status = LibraryTask::STATUS_FAIL;
            $task->message = $exception->getMessage();
            $task->save();
            Log::error($exception);
        }
    }
}