<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\Schema;

return new class extends Migration
{
    public function up(): void
    {
        Schema::table('courses', function (Blueprint $table) {
            $table->string('location', 255)->nullable()->after('teach_end_date')->comment('上课地点');
            $table->time('teach_start_time')->nullable()->after('location')->comment('开课开始时间');
            $table->time('teach_end_time')->nullable()->after('teach_start_time')->comment('开课结束时间');
            $table->json('recruit_targets')->nullable()->after('teach_end_time')->comment('招生对象列表');
            $table->json('main_speakers')->nullable()->after('recruit_targets')->comment('主讲师资');
        });
    }

    public function down(): void
    {
        Schema::table('courses', function (Blueprint $table) {
            $table->dropColumn([
                'location',
                'teach_start_time',
                'teach_end_time',
                'recruit_targets',
                'main_speakers',
            ]);
        });
    }
};