<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Support\Facades\Cache;

/**
 * @property integer                         $id         Subject id.
 * @property string                          $label      Subject label.
 * @property \App\Models\Brand               $brand_id   Subject associated Brand.
 * @property-read \Illuminate\Support\Carbon $created_at Subject created date.
 * @property-read \Illuminate\Support\Carbon $updated_at Subject updated date.
 */
class ClaimSubject extends Model
{
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'label',
        'brand_id',
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted(): void
    {
        static::created(function () {
            self::resetCache();
        });
        static::updated(function () {
            self::resetCache();
        });
        static::deleted(function () {
            self::resetCache();
        });
    }

    // * METHODS

    /**
     * Get all subjects associated to the band.
     *
     * @param integer $brandModelKey
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getAllModelsFromBrand(int $brandModelKey): \Illuminate\Database\Eloquent\Collection
    {
        return self::getSubjects()->filter(
            fn($model) => $model->brand->getKey() === $brandModelKey
        )->values();
    }

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

    /**
     * Get all subjects.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getSubjects(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::remember('subjects', 86400, function () {
            return self::query()->orderBy('label', 'ASC')->get();
        });
    }

    // * RELATIONS

    /**
     * Brand belongs to relation.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function brand(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Brand::class);
    }

    /**
     * Claim has many relation.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function claims(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Claim::class);
    }
}