<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Storage;

class ServiceChatMessage extends Model
{
    use HasFactory;

    public const PATH_PREFIX = 'public/chats';

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'service_chat_id',
        'message',
        'from_user_id',
        'to_user_id',
        'to_admin',
        'is_file',
        'file_name',
        'is_read',
    ];

    public function getElapsedTimeAttribute()
    {
        $time = time() - $this->created_at->timestamp;
        $time = $time < 1 ? 1 : $time;
        $tokens = [
            31536000 => 'year',
            2592000 => 'month',
            604800 => 'week',
            86400 => 'day',
            3600 => 'hour',
            60 => 'min',
            1 => 'second',
        ];

        foreach ($tokens as $unit => $text) {
            if ($time < $unit) {
                continue;
            }

            $numberOfUnits = floor($time / $unit);

            return $numberOfUnits . ' ' . $text . ($numberOfUnits > 1 ? 's' : '') . ' ago';
        }

        return '';
    }

    public function getFolderPathAttribute()
    {
        return self::PATH_PREFIX . '/' . $this->service_chat_id;
    }

    public function getFilePathAttribute()
    {
        return ! $this->file_name ? null : $this->getFolderPathAttribute() . "/{$this->file_name}";
    }

    public function getFileUrlAttribute()
    {
        $path = $this->getFilePathAttribute();

        if ($path && Storage::exists($path)) {
            return env('AWS_ENDPOINT') . env('AWS_BUCKET') . '/' . $path;
        }

        return null;
    }
}