<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        Schema::create('question_competency_tags', function (Blueprint $table) {
            $table->id();
            $table->foreignId('question_id')->constrained('form_questions')->onDelete('cascade');
            $table->foreignId('competency_id')->constrained('competencies')->onDelete('cascade');
            $table->integer('weight')->default(1);
            $table->timestamps();
            
            $table->unique(['question_id', 'competency_id']);
            $table->index('competency_id');
        });
    }

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