<?php

namespace App\Models;

use App\Lib\Helpers\FileStorageHelper;
use App\Lib\Helpers\ToolboxHelper;
use App\Traits\Models\ActivityLog;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsToMany;
use Illuminate\Support\Facades\Cache;
use Illuminate\Support\Str;

/**
 * @property string $title Consumption moment title.
 * @property string $subtitle Consumption moment subtitle.
 * @property string $slug Consumption moment slug of the title.
 * @property string $picture Consumption moment picture.
 * @property string $picture_alt Picture alt attribute.
 * @property string $picture_title Picture title attribute.
 * @property-read \Illuminate\Support\Carbon $created_at    Created date.
 * @property-read \Illuminate\Support\Carbon $updated_at    Updated date.
 */
class ConsumptionMoment extends Model
{
    use ActivityLog;
    use HasFactory;

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

    /**
     * Perform any actions required after the model boots.
     */
    protected static function booted(): void
    {
        static::creating(function (self $model) {
            self::assertTitleIsUnique($model->title);
            $model->slug    = Str::slug($model->title);
            $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
        });
        static::created(function () {
            self::resetCache();
        });
        static::updating(function (self $model) {
            self::assertTitleIsUnique($model->title, $model->getKey());
            $model->slug    = Str::slug($model->title);
            $model->picture = FileStorageHelper::storeFile($model, $model->picture, true);
        });
        static::updated(function (self $model) {
            FileStorageHelper::removeOldFile($model, 'picture');
            self::resetCache();
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'picture');
            self::resetCache();
        });
    }

    // * METHODS

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

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

    /**
     * Get all consumption moments ordered by slug.
     */
    public static function getOrderedBySlug(): Collection
    {
        return Cache::remember('consumptionMomentsOrderedBySlug', 86400, function () {
            return self::query()->orderBy('slug')->get();
        });
    }

    // * RELATIONSHIPS

    /**
     * Get all of the recipes for the consumption moment.
     */
    public function recipes(): BelongsToMany
    {
        return $this->belongsToMany(Recipe::class);
    }
}