<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     *
     * @return void
     */
    public function up()
    {
        Schema::create('otp_tokens', function (Blueprint $table) {
            $table->id();
            $table->unsignedInteger('user_id');
            $table->string('token_hash', 255);
            $table->enum('channel', ['email', 'telegram']);
            $table->string('identifier', 255);
            $table->enum('purpose', ['activation', 'login'])->default('login');
            $table->timestamp('expires_at');
            $table->integer('attempts')->default(0);
            $table->timestamps();

            $table->index(['user_id', 'expires_at']);
            $table->foreign('user_id')->references('id')->on('users')->onDelete('cascade');
        });
    }

    /**
     * Reverse the migrations.
     *
     * @return void
     */
    public function down()
    {
        Schema::dropIfExists('otp_tokens');
    }
};