<?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('campaign_creatives', function (Blueprint $table) {
            $table->id();
            $table->foreignId('campaign_id')->constrained()->cascadeOnDelete();
            $table->foreignId('creative_id')->constrained()->cascadeOnDelete();
            $table->foreignId('ad_copy_id')->nullable()->constrained()->nullOnDelete();
            $table->string('external_ad_ref')->nullable();
            $table->string('status')->default('draft'); // draft|published|failed
            $table->timestamps();

            $table->unique(['campaign_id', 'creative_id']);
        });
    }

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