<?php

namespace App\Services\File\Upload;

use App\Models\Folder;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;

class KeepDirectoryUploadService
{
    use FilesUploadTrait;

    protected array $objectWhere = [];

    protected ?Folder $parentFolder = null;

    protected int $filesSize = 0;

    protected ?ProgressBar $progressBar = null;

    public function __construct(protected Request $request)
    {
        $this->checkFormData();

        $this->objectWhere = [
            'object_id' => $this->request->get("object_id", 0),
            'object_type' => $this->request->get("object_type"),
        ];

        $this->parentFolder = $this->request->get("folder_id")
            ? Folder::query()->where($this->objectWhere)->findOrFail($this->request->get("folder_id"))
            : null;
    }

    public function upload(): array
    {
        $folderRelations = $this->buildFolder();

        $items = [];
        $fileNames = $this->request->get("file_names", []);
        foreach ($this->request->file("files") as $index => $file) {

            $item = $this->uploadFile($this->request, $file, $this->progressBar);
            $item['file']['folder_id'] = $folderRelations[$index] ?? 0;
            $item['file']['title'] = $fileNames[$index] ?? $item['file']['title'];
            $item['file']['naming_rule_id'] = $this->parentFolder?->naming_rule_id;
            $items[] = $item;
        }

        $uploadedFiles = $this->storeFiles($items);

        $this->updateUsedStorageCapacity($this->filesSize);

        $this->progressBar?->completed();

        return $uploadedFiles;
    }

    protected function buildFolder(): array
    {
        $folderRelations = [];
        $uuid = $this->request->get("uuid");

        foreach ($this->request->folders as $index => $folder) {
            $parentFolder = $this->parentFolder;

            $folderPathArr = array_filter(explode('/', $folder));

            if (! $folderPathArr) {
                $folderRelations[$index] = $parentFolder?->id ?? 0;
            }

            foreach ($folderPathArr as $folderName) {
                $parentId = $parentFolder?->id ?? 0;

                $folder = Folder::query()
                    ->where($this->objectWhere)
                    ->where("name", $folderName)
                    ->when($uuid, fn($query) => $query->where("uuid", $uuid))
                    ->where("parent_id", $parentId)
                    ->first();
                if (! $folder) {
                    $folder = Folder::query()->create([
                        'company_id' => Auth::user()->company_id,
                        ...$this->objectWhere,
                        'uuid' => $uuid,
                        'parent_id' => $parentId,
                        'name' => $folderName
                    ]);

                    $folder->path = $parentFolder ? $parentFolder?->path . $folder->id . "," : sprintf(",%s,", $folder->id);
                    $folder->naming_rule_id = $parentFolder?->naming_rule_id;
                    $folder->save();
                }

                $parentFolder = $folder;

                $folderRelations[$index] = $folder->id;
            }
        }

        return $folderRelations;
    }

    protected function checkFormData()
    {
        throw_validation_if(
            count($this->request->file("files")) != count($this->request->folders),
            "File and directory do not match"
        );

        $this->filesSize = $this->checkRequestData($this->request);

        if ($this->request->get("request_id")) {
            $this->progressBar = new ProgressBar($this->request->get("request_id"), $this->filesSize);
        }
    }
}