<?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\Facades\Cache;
use Illuminate\Support\Str;
use Spatie\SchemaOrg\Schema;
use Uwil\SchemaOrg\Laravel\Interfaces\SchemaOrgInterface;
use Uwil\SchemaOrg\Laravel\Traits\SchemaOrgTrait;

/**
 * @property string              $label         Subrange label.
 * @property string              $subtitle      Subrange subtitle.
 * @property string              $slug          Subrange slug.
 * @property string              $description   Subrange description.
 * @property string              $picture       Subrange picture.
 * @property string              $picture_alt   Picture alt attribute.
 * @property string              $picture_title Picture title attribute.
 * @property boolean             $published     Subrange publish status.
 * @property int                 $order         Subrange order.
 * @property-read \Carbon\Carbon $created_at    Created date.
 * @property-read \Carbon\Carbon $updated_at    Updated date.
 *
 * @property-read \App\Models\Range   $range    Range Belongs to relationship.
 * @property-read \App\Models\Product $products Product polymorphic relationship.
 */
class Subrange extends Model implements SchemaOrgInterface
{
    use ActivityLog;
    use HasFactory;
    use SchemaOrgTrait;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'label',
        'subtitle',
        'slug',
        'description',
        'picture',
        'picture_alt',
        'picture_title',
        'range_id',
        'published',
        'order',
    ];

    /**
     * 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 $model) {
            self::assertLabelIsUnique($model->label);
            self::setOrder($model);
            self::manageFields($model);
        });
        static::created(function () {
            self::resetCache();
        });
        static::updating(function (self $model) {
            self::assertLabelIsUnique($model->label, $model->getKey());
            self::manageFields($model);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            self::resetCache();
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            self::resetCache();
        });
    }

    // * METHODS

    /**
     * Manage model fields.
     *
     * @param self $model
     * @return void
     */
    private static function manageFields(self $model): void
    {
        $model->slug    = Str::slug($model->label);
        $model->picture = FileStorageHelper::storeFile($model, $model->picture, 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 tange label already exists.
     */
    private static function assertLabelIsUnique(string|null $label, ?int $id = null): void
    {
        $table = (new self())->getTable();
        ToolboxHelper::assertFieldIsUnique($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;
    }

    /**
     * Reset all cache elements related to this model.
     *
     * @return void
     */
    private static function resetCache(): void
    {
        Cache::forget('publishedSubrangesOrderedByOrder');
        self::getPublishedOrdered();
    }

    /**
     * Get all published Subranges ordered by order.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getPublishedOrdered(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::remember('publishedSubrangesOrderedByOrder', 86400, function () {
            return self::query()->where('published', true)->orderBy('order')->get();
        });
    }

    /**
     * Create a SchemaOrg.
     *
     * @return \Spatie\SchemaOrg\DefinedTerm
     */
    public function toSchemaOrg(): \Spatie\SchemaOrg\DefinedTerm
    {
        return Schema::definedTerm()
            ->name($this->label)
            ->description(strip_tags($this->description))
            ->image(
                Schema::imageObject()
                    ->url(asset($this->picture))
                    ->headline($this->picture_title)
            )
            ->inDefinedTermSet($this->range->toSchemaOrg());
    }

    // * RELATIONSHIPS

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

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