<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\ActivityLog;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Str;

/**
 * @property string                             $seo_title               Utilisé pour la balise title de la page.
 * @property string                             $seo_description         Utilisé pour la balise meta description
 *                                                                       de la page.
 * @property string                             $label                   Label du produit.
 * @property string                             $slug                    Slug à partir du label du produit.
 * @property string                             $picture                 Path de l'image du produit (503px * 503px).
 * @property string                             $picture_alt             Attribut alt de l'image du produit.
 * @property string                             $picture_title           Attribut title de l'image du produit.
 * @property string                             $picture_thumbnail       Path de la vignette du produit (310px * 310px).
 * @property string                             $picture_thumbnail_alt   Attribut alt de la vignette du produit.
 * @property string                             $picture_thumbnail_title Attribut title de la vignette du produit.
 * @property string                             $description             WYSIWYG - Description du produit.
 * @property \App\Enums\Products\NutriscoreEnum $nutriscore              Nutriscore du produit
 *                                                                       (enum \App\Enums\Products\NutriscoreEnum).
 * @property string                             $nutritionnal_values     JSON avec les valeurs nutritionnelles
 *                                                                       pour le produit et pour 100g.
 * @property string                             $advice                  WYSIWYG - Texte conseils .
 * @property string                             $ingredients             WYSIWYG - Texte ingrédients.
 * @property boolean                            $published               Le produit est-il visible ?
 * @property integer                            $order                   Numéro permettant d'ordonner les produits
 * @property-read \Carbon\Carbon                $created_at              Created date.
 * @property-read \Carbon\Carbon                $updated_at              Updated date.
 *
 * @property-read \App\Models\Picto $pictos Pictos Many-to-many relationship.
 * @property-read \App\Models\Range $range  Range Belongs to relationship.
 */
class Product extends Model
{
    use ActivityLog;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'seo_title',
        'seo_description',
        'label',
        'picture',
        'picture_alt',
        'picture_title',
        'picture_thumbnail',
        'picture_thumbnail_alt',
        'picture_thumbnail_title',
        'description',
        'nutriscore',
        'nutritionnal_values',
        'advice',
        'ingredients',
        'published',
        'order',
        'range_id',
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'published'           => 'boolean',
        'nutriscore'          => \App\Enums\Products\NutriscoreEnum::class,
        'nutritionnal_values' => 'array'
    ];

    /**
     * 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);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            FileStorageHelper::removeOldFile($model, 'picture_thumbnail');
        });

        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            FileStorageHelper::removeFile($model, 'picture_thumbnail');
        });
    }

    // * METHODS

    /**
     * Manage model fields.
     *
     * @param self $model
     * @return void
     */
    private static function manageFields(self $model): void
    {
        // * ASSERTIONS
        self::assertFieldIsUnique('label', $model->label, $model->id);
        self::assertFieldIsUnique('slug', Str::slug($model->label), $model->id);

        // * TRANSFORMATIONS
        $model->slug              = Str::slug($model->label);
        $model->picture           = FileStorageHelper::storeFile($model, $model->picture, true);
        $model->picture_thumbnail = FileStorageHelper::storeFile($model, $model->picture_thumbnail, 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;
    }

    /**
     * Asserts using validation that the field is unique.
     *
     * @param string       $nameField
     * @param string       $valueField
     * @param integer|null $id
     * @return void
     */
    private static function assertFieldIsUnique(string $nameField, string $valueField, ?int $id = null): void
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, $nameField, $valueField, $id);
    }

    // * RELATIONS

    /**
     * Get the range that owns the product.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function range(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Range::class);
    }

    /**
     * The pictos that belong to the product.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
     */
    public function pictos(): \Illuminate\Database\Eloquent\Relations\BelongsToMany
    {
        return $this->belongsToMany(Picto::class);
    }
}