<?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('triangles')) {
            Schema::create('triangles', function (Blueprint $table) {
                $table->char('id', 36)->primary();
                $table->float('area');
                $table->string('color');
                $table->unsignedBigInteger('layerId');
                $table->char('parentId', 36)->nullable();
                $table->char('polygon_id', 36)->index(); // UUID to match the type in polygons table
                $table->timestamps();
            });
        }
    }

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