<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Stancl\Tenancy\Database\Concerns\BelongsToTenant;

/**
 * @property integer              $id                Directory id.
 * @property array<string,string> $name              Directory name.
 * @property integer|null         $directory_id      Associated directory.
 * @property integer              $order             Directory order.
 * @property boolean              $needAuthorization Directory authorization.
 * @property boolean              $is_system         Directory system status.
 * @property-read \Carbon\Carbon  $created_at        Created date.
 * @property-read \Carbon\Carbon  $updated_at        Updated date.
 */
class Directory extends Model
{
    use BelongsToTenant;
    use HasFactory;

    /**
     * The attributes that are mass assignable.
     *
     * @var list<string>
     */
    protected $fillable = [
        'name',
        'directory_id',
        'order',
        'needAuthorization',
        'is_system'
    ];

    /**
     * The attributes that should be cast.
     *
     * @var array<string, string>
     */
    protected $casts = [
        'name' => 'array'
    ];

    /**
     * Perform any actions required after the model boots.
     *
     * @return void
     */
    protected static function booted(): void
    {
        static::creating(function (self $model) {
            self::setIsSystem($model);
            self::setOrder($model);
        });
        static::deleting(function (self $model) {
            $model->appusers()->detach();
            foreach ($model->documents as $document) {
                $document->delete();
            };
        });
    }

    // * METHODS

    /**
     * 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;
    }

    /**
     * Set order after the last element of the list.
     *
     * @param self $model
     * @return void
     */
    private static function setIsSystem(self $model): void
    {
        $model->is_system = ($model->is_system) ? $model->is_system : 0;
    }

    /**
     * Render directories.
     *
     * @param \Illuminate\Database\Eloquent\Collection $directories
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function renderDirectories(Collection $directories): \Illuminate\Database\Eloquent\Collection
    {
        foreach ($directories as $k => $directory) {
            /** @var \App\Models\Directory $directory */
            $directory       = $directories[$k];
            $directory->name = Directory::renameDirectory($directory, "");
        }
        return $directories;
    }

    /**
     * Rename directory.
     *
     * @param Directory $model
     * @param string    $nameDirectory
     * @return array|string
     */
    private static function renameDirectory(Directory $model, string $nameDirectory): array|string
    {
        if (strlen($nameDirectory)) {
            $nameDirectory = $model->name['fr'] . " / " . $nameDirectory;
        } else {
            $nameDirectory = $model->name['fr'];
        }
        if (isset($model->parent)) {
            /** @var \App\Models\Directory $parent */
            $parent        = $model->parent;
            $nameDirectory = $model->renameDirectory($parent, $nameDirectory);
        }
        return $nameDirectory;
    }

    /**
     * Rename directory.
     *
     * @return \Illuminate\Database\Eloquent\Collection
     */
    public static function getChildrenDirectories(): \Illuminate\Database\Eloquent\Collection
    {
        /** @var \Illuminate\Database\Eloquent\Collection $directories */
        $directories = Directory::query()->orderBy('order', 'ASC')->get();
        // @phpstan-ignore argument.type
        $directoriesFiltered = $directories->filter(function (Directory $directory) {
            if ($directory->children->count() === 0) {
                return $directory;
            }
        });
        return Directory::renderDirectories($directoriesFiltered);
    }

    // * RELATIONSHIPS

    /**
     * One To Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\BelongsTo
     */
    public function parent(): \Illuminate\Database\Eloquent\Relations\BelongsTo
    {
        return $this->belongsTo(Directory::class, 'directory_id');
    }

    /**
     * Has Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function children(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Directory::class, 'directory_id');
    }

    /**
     * MorphedByMany appusers relation.
     *
     * @return \Illuminate\Database\Eloquent\Relations\MorphToMany
     */
    public function appusers(): \Illuminate\Database\Eloquent\Relations\MorphToMany
    {
        return $this->morphedByMany(AppUser::class, 'directorable');
    }

    /**
     * Has Many Relationship Method.
     *
     * @return \Illuminate\Database\Eloquent\Relations\HasMany
     */
    public function documents(): \Illuminate\Database\Eloquent\Relations\HasMany
    {
        return $this->hasMany(Document::class, 'directory_id');
    }
}