<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Traits\Models\ActivityLog;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Validator;
use Illuminate\Validation\Rule;

/**
 * @property string              $title          Titre de l'engagement local.
 * @property string              $text           WYSIWYG - Texte à propos de l'engagement local.
 * @property string              $picture1       Path de la première image (587px * 429px).
 * @property string              $picture1_alt   Attribut alt de la première image.
 * @property string              $picture1_title Attribut title de la première image.
 * @property string|null         $picture2       Path de la deuxième image (587px * 429px).
 * @property string|null         $picture2_alt   Attribut alt de la deuxième image.
 * @property string|null         $picture2_title Attribut title de la deuxième image.
 * @property string|null         $picture3       Path de la troisième image (587px * 429px).
 * @property string|null         $picture3_alt   Attribut alt de la troisième image
 * @property string|null         $picture3_title Attribut title de la troisième image.
 * @property integer             $order          Numéro permettant d'ordonner les engagements locaux.
 * @property boolean             $published      L'engagement local est-il visible ?
 *                                               Maximum 2 devront être visibles simultanément
 * @property-read \Carbon\Carbon $created_at     Created date.
 * @property-read \Carbon\Carbon $updated_at     Updated date.
 */
class LocalCommitment extends Model
{
    use ActivityLog;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'title',
        'text',
        'picture1',
        'picture1_alt',
        'picture1_title',
        'picture2',
        'picture2_alt',
        'picture2_title',
        'picture3',
        'picture3_alt',
        'picture3_title',
        'order',
        'published',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'published' => 'boolean',
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted(): void
    {
        static::creating(function (self $model) {
            self::manageFields($model);
            self::setOrder($model);
        });
        static::updating(function (self $model) {
            self::manageFields($model);
            self::cleanPicturesAttributes($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture1');
            FileStorageHelper::removeOldFile($model, 'picture2');
            FileStorageHelper::removeOldFile($model, 'picture3');
        });

        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture1');
            FileStorageHelper::removeFile($model, 'picture2');
            FileStorageHelper::removeFile($model, 'picture3');
        });
    }

    // * METHODS

    /**
     * Manage model fields.
     *
     * @param self $model
     * @return void
     */
    private static function manageFields(self $model): void
    {
        self::checkPublished($model);
        $model->picture1 = FileStorageHelper::storeFile($model, $model->picture1, true);
        $model->picture2 = FileStorageHelper::storeFile($model, $model->picture2, true);
        $model->picture3 = FileStorageHelper::storeFile($model, $model->picture3, true);
    }

    /**
     * Set order after the last element of the list.
     *
     * @param self $model
     * @return void
     */
    private static function setOrder(self $model): void
    {
        $model->order = \intval(self::query()->max('order')) + 1;
    }

    /**
     * Check if there are already 2 published local commitments.
     *
     * @param self $model
     * @return void
     */
    private static function checkPublished(self $model)
    {
        Validator::make(['published' => $model->published], [
            'published' => Rule::prohibitedIf(
                $model::where('published', true)->count() === 2
                    && $model->published === true
                    && $model->published !== $model->getOriginal('published')
            ),
        ], [
            'published.prohibited' => trans('Seuls 2 engagements locaux peuvent être publiés en même temps.')
        ])->validate();
    }

    /**
     * Clean pictures alt/title field when there's no picture.
     *
     * @param self $model
     * @return void
     */
    private static function cleanPicturesAttributes(self $model)
    {
        if (empty($model->picture2)) {
            $model->picture2_alt   = "";
            $model->picture2_title = "";
        };
        if (empty($model->picture3)) {
            $model->picture3_alt   = "";
            $model->picture3_title = "";
        };
    }
}