<?php

namespace Sarga\Admin\Console\Commands;

use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class UpdateCategoryFunction extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'category:update';

    /**
     * The console command description.
     *
     * @var string
     */
    protected $description = 'Fix category function get_url_path';

    /**
     * Execute the console command.
     *
     * @return void
     */
    public function handle()
    {
        $dbPrefix = DB::getTablePrefix();

        $functionSQL = <<< SQL
            DROP FUNCTION IF EXISTS `get_url_path_of_category`;
            CREATE FUNCTION get_url_path_of_category(
                categoryId INT,
                localeCode VARCHAR(255)
            )
            RETURNS VARCHAR(255)
            DETERMINISTIC
            BEGIN

                DECLARE urlPath VARCHAR(255);

                IF NOT EXISTS (
                    SELECT id
                    FROM ${dbPrefix}categories
                    WHERE
                        id = categoryId
                        AND parent_id IS NULL
                )
                THEN
                    SELECT
                        GROUP_CONCAT(parent_translations.slug SEPARATOR '/') INTO urlPath
                    FROM
                        ${dbPrefix}categories AS node,
                        ${dbPrefix}categories AS parent
                        JOIN ${dbPrefix}category_translations AS parent_translations ON parent.id = parent_translations.category_id
                    WHERE
                        node._lft >= parent._lft
                        AND node._rgt <= parent._rgt
                        AND node.id = categoryId
                        AND node.parent_id IS NOT NULL
                        AND parent.parent_id IS NOT NULL
                        AND parent_translations.locale = localeCode
                    GROUP BY
                        node.id;

                    IF urlPath IS NULL
                    THEN
                        SET urlPath = (SELECT slug FROM ${dbPrefix}category_translations WHERE ${dbPrefix}category_translations.category_id = categoryId);
                    END IF;
                 ELSE
                    SET urlPath = '';
                 END IF;

                 RETURN urlPath;
            END;
SQL;

        DB::unprepared($functionSQL);
    }
}