<?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\Support\Facades\Cache;
use Illuminate\Support\Str;

/**
 * @property string              $label                 Range label.
 * @property string              $subtitle              Range subtitle.
 * @property string              $slug                  Range slug.
 * @property string              $description           Range description.
 * @property string              $banner                Range banner picture path.
 * @property string              $banner_alt            Banner alt attribute.
 * @property string              $banner_title          Banner title attribute.
 * @property string              $banner_ambiance       Range ambiance banner picture path.
 * @property string              $banner_ambiance_alt   Ambiance banner alt attribute.
 * @property string              $banner_ambiance_title Ambiance banner title attribute.
 * @property string              $picture               Range picture.
 * @property string              $picture_alt           Picture alt attribute.
 * @property string              $picture_title         Picture title attribute.
 * @property int                 $color                 Range color.
 * @property int                 $order                 Range order.
 * @property boolean             $published             Range publish status.
 * @property-read \Carbon\Carbon $created_at            Created date.
 * @property-read \Carbon\Carbon $updated_at            Updated date.
 *
 * @property-read \App\Models\Subrange $subranges Subrange Has Many relationship.
 * @property-read \App\Models\Product  $products  Product polymorphic relationship.
 */
class Range extends Model
{
    use ActivityLog;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var array<int, string>
     */
    protected $fillable = [
        'label',
        'subtitle',
        'slug',
        'description',
        'banner',
        'banner_alt',
        'banner_title',
        'banner_ambiance',
        'banner_ambiance_alt',
        'banner_ambiance_title',
        'picture',
        'picture_alt',
        'picture_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 $model) {
            self::assertLabelIsUnique($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, 'banner');
            FileStorageHelper::removeOldFile($model, 'banner_ambiance');
            FileStorageHelper::removeOldFile($model, 'picture');
            self::resetCache();
        });
        static::deleting(function (self $model) {
            /** @var \Illuminate\Database\Eloquent\Collection $subranges */
            $subranges = $model->subranges;
            if ($subranges->isNotEmpty()) {
                session()->flash('error', trans('Des sous-gammes sont associées à cette gamme.
                // Veuillez supprimer les sous-gammes concernées ou les réassocier à une autre gamme.'));
                return false;
            }
        });
        static::deleted(function (self $model) {
            FileStorageHelper::removeFile($model, 'banner');
            FileStorageHelper::removeFile($model, 'banner_ambiance');
            FileStorageHelper::removeFile($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);
        $model->banner          = FileStorageHelper::storeFile($model, $model->banner, true);
        $model->banner_ambiance = FileStorageHelper::storeFile($model, $model->banner_ambiance, true);
        $model->picture         = FileStorageHelper::storeFile($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 range 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('publishedRangesOrderedByOrder');
        self::getPublishedOrdered();
        Cache::forget('publishedRangesOrderedBySlug');
        self::getPublishedOrderedBySlug();
        Cache::forget('publishedRangesOrderedByOrderWithSubranges');
        self::getPublishedOrderedWithSubranges();
    }

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

    /**
     * Get all published Ranges ordered by slug.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getPublishedOrderedBySlug(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::rememberForever('publishedRangesOrderedBySlug', function () {
            return self::query()->where('published', true)->orderBy('slug')->get();
        });
    }

    /**
     * Get all published Ranges ordered by order with subranges.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getPublishedOrderedWithSubranges(): \Illuminate\Database\Eloquent\Collection
    {
        return Cache::rememberForever('publishedRangesOrderedByOrderWithSubranges', function () {
            return self::query()
                ->where('published', true)
                ->with('subranges')
                ->orderBy('order')
                ->get();
        });
    }

    // * RELATIONSHIPS

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

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