<?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::create('indexes', function (Blueprint $table) {
            $table->id();
            $table->foreignId('table_id')->constrained('tables')->cascadeOnDelete();
            $table->string('index_name');
            $table->json('columns'); // Array of column names
            $table->boolean('is_unique')->default(false);
            $table->boolean('is_primary')->default(false);
            $table->string('index_type')->default('btree');
            $table->text('definition')->nullable();
            $table->timestamps();

            $table->unique(['table_id', 'index_name'], 'unique_index');
        });
    }

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