<?php

use App\Models\Entry;
use App\Models\Student;
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('doublers', function (Blueprint $table) {
            // Foreign keys that will form the composite primary key
            $table->foreignIdFor(Student::class)->constrained()->cascadeOnDelete()->cascadeOnUpdate();
            $table->foreignIdFor(Event::class)->constrained()->cascadeOnDelete()->cascadeOnUpdate();

            // Doubler Specific Fields
            $table->integer('entry_count');
            $table->foreignIdFor(Entry::class, 'accepted_entry')->nullable()->constrained()->cascadeOnDelete()->cascadeOnUpdate();

            // Set the composite primary key
            $table->primary(['student_id', 'event_id']);
            $table->timestamps();
        });
    }

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