<?php

namespace App\Models;

use App\Casts\HtmlColor;
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\Database\Eloquent\Relations\MorphToMany;
use Illuminate\Support\Str;

/**
 * @property string              $label        Meat label.
 * @property string              $slug         Meat slug.
 * @property string              $description  Meat description.
 * @property string              $banner       Meat banner picture path.
 * @property string              $banner_alt   Banner alt attribute.
 * @property string              $banner_title Banner title attribute.
 * @property int                 $color        Meat color.
 * @property int                 $order        Meat order.
 * @property boolean             $published    Meat publish status.
 * @property-read \Carbon\Carbon $created_at   Created date.
 * @property-read \Carbon\Carbon $updated_at   Updated date.
 *
 * @property-read \App\Models\Submeat $submeats Submeat Has Many relationship.
 * @property-read \App\Models\Product $products Product polymorphic relationship.
 */
class Meat extends Model
{
    use ActivityLog;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'label',
        'slug',
        'description',
        'banner',
        'banner_alt',
        'banner_title',
        'color',
        'published',
        'order',
    ];

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

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted(): void
    {
        static::creating(function (self $model) {
            // * ASSERTIONS
            self::assertLabelIsUnique($model->label);

            self::setOrder($model);
            self::manageFields($model);
        });
        static::updating(function (self $model) {
            // * ASSERTIONS
            self::assertLabelIsUnique($model->label, $model->id);

            self::manageFields($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'banner');
        });
        static::deleting(function (self $model) {
            /** @var \Illuminate\Database\Eloquent\Collection $submeats */
            $submeats = $model->submeats;
            if ($submeats->isNotEmpty()) {
                session()->flash('error', __('Des sous-viandes sont associées à cette viande.
                // Veuillez supprimer les sous-viandes concernées ou les réassocier à une autre viande.'));
                return false;
            }
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'banner');
        });
    }

    // * METHODS

    /**
     * Manage model fields.
     *
     * @param self $model
     * @return void
     */
    private static function manageFields(self $model): void
    {
        $model->slug   = Str::slug($model->label);
        $model->banner = FileStorageHelper::storeFile($model, $model->banner, true);
    }

    /**
     * Asserts using validation that the label is unique
     *
     * @param string|null  $label
     * @param integer|null $id
     * @return void
     * @throws \Illuminate\Validation\ValidationException If a meat label already exists.
     */
    private static function assertLabelIsUnique(string|null $label, ?int $id = null)
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($table, 'label', $label, $id);
        ToolboxHelper::assertFieldIsUnique($table, 'slug', Str::slug($label), $id);
    }

    /**
     * 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;
    }

    // * RELATIONSHIPS

    /**
     * Get all of the products for the meat.
     *
     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
     */
    public function products(): MorphToMany
    {
        return $this->morphToMany(Product::class, 'productable');
    }

    /**
     * Get the related submeats.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function submeats(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Submeat::class);
    }
}