<?php

// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the GNU Affero General Public License v3.0.
// See the LICENCE file in the repository root for full licence text.

namespace App\Models;

use App\Casts\LegacyFilename;
use App\Libraries\Uploader;
use DB;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Http\UploadedFile;

/**
 * @property Contest $contest
 * @property int|null $contest_id
 * @property \Carbon\Carbon|null $created_at
 * @property \Carbon\Carbon|null $deleted_at
 * @property string|null $ext
 * @property int|null $filesize
 * @property string|null $hash
 * @property int $id
 * @property string|null $original_filename
 * @property \Carbon\Carbon|null $updated_at
 * @property User $user
 * @property int|null $user_id
 */
class UserContestEntry extends Model
{
    use SoftDeletes;

    protected $casts = [
        'filename' => LegacyFilename::class,
    ];

    private Uploader $file;

    public static function upload(UploadedFile $file, $user, $contest = null)
    {
        $entry = new static();

        DB::transaction(function () use ($entry, $file, $user, $contest) {
            $entry->save(); // get id

            $entry->filesize = $file->getSize();
            $entry->original_filename = $file->getClientOriginalName();
            $entry->user()->associate($user);
            $entry->contest()->associate($contest);
            $entry->file()->store($file->getRealPath(), $file->getClientOriginalExtension());
            $entry->save();
        });

        return $entry;
    }

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id');
    }

    public function contest()
    {
        return $this->belongsTo(Contest::class);
    }

    public function delete()
    {
        $this->file()->delete();

        return parent::delete();
    }

    public function file(): Uploader
    {
        return $this->file ??= new Uploader('user-contest-entries', $this, 'filename');
    }

    // file generated by process separate from osu-web
    public function seasonalUrl(): ?string
    {
        $url = $this->file()->url();

        return $url === null
            ? null
            : preg_replace('#(\.[^/.]+)$#', '', $url).'_opt.jpg';
    }
}