<?php

declare(strict_types=1);

namespace Stancl\Tenancy\Database\Concerns;

use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Scope;

class PendingScope implements Scope
{
    /**
     * All of the extensions to be added to the builder.
     *
     * @var string[]
     */
    protected $extensions = ['WithPending', 'WithoutPending', 'OnlyPending'];

    /**
     * Apply the scope to a given Eloquent query builder.
     *
     * @return void
     */
    public function apply(Builder $builder, Model $model)
    {
        $builder->when(! config('tenancy.pending.include_in_queries'), function (Builder $builder) {
            $builder->whereNull($builder->getModel()->getColumnForQuery('pending_since'));
        });
    }

    /**
     * Extend the query builder with the needed functions.
     *
     * @return void
     */
    public function extend(Builder $builder)
    {
        foreach ($this->extensions as $extension) {
            $this->{"add{$extension}"}($builder);
        }
    }
    /**
     * Add the with-pending extension to the builder.
     *
     * @return void
     */
    protected function addWithPending(Builder $builder)
    {
        $builder->macro('withPending', function (Builder $builder, $withPending = true) {
            if (! $withPending) {
                return $builder->withoutPending();
            }

            return $builder->withoutGlobalScope(static::class);
        });
    }

    /**
     * Add the without-pending extension to the builder.
     *
     * @return void
     */
    protected function addWithoutPending(Builder $builder)
    {
        $builder->macro('withoutPending', function (Builder $builder) {
            $builder->withoutGlobalScope(static::class)
                ->whereNull($builder->getModel()->getColumnForQuery('pending_since'))
                ->orWhereNull($builder->getModel()->getDataColumn());

            return $builder;
        });
    }

    /**
     * Add the only-pending extension to the builder.
     *
     * @return void
     */
    protected function addOnlyPending(Builder $builder)
    {
        $builder->macro('onlyPending', function (Builder $builder) {
            $builder->withoutGlobalScope(static::class)->whereNotNull($builder->getModel()->getColumnForQuery('pending_since'));

            return $builder;
        });
    }
}