<?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
    {
        if (Schema::hasTable('notifications')) {
            return;
        }

        Schema::create('notifications', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('user_id')->constrained()->cascadeOnDelete();
            $table->string('type', 32);
            $table->json('data');
            $table->timestamp('read_at')->nullable();
            $table->timestamps();

            $table->index('user_id');
            $table->index('read_at');
        });
    }

    public function down(): void
    {
        Schema::dropIfExists('notifications');
    }
};