<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Query\Expression;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        $driver = DB::getDriverName();
        
        Schema::table('templates', function (Blueprint $table) use ($driver) {
            if ($driver === 'mysql') {
                $table->jsonb('questions')->default(new Expression("(JSON_ARRAY())"));
            } else {
                $table->jsonb('questions')->default('[]');
            }
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::table('templates', function (Blueprint $table) {
            $table->dropColumn('questions');
        });
    }
};