<?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('ad_templates', function (Blueprint $table) {
            $table->bigIncrements('id');
            $table->string('uid', 32)->unique();
            $table->integer('customer_id')->unsigned()->nullable(); // NULL = system template
            $table->string('name', 255);
            $table->string('platform', 20)->nullable();             // meta | google | tiktok | linkedin | universal
            $table->string('format', 30);                           // image | video | carousel | story | feed
            $table->string('thumbnail_url', 2048)->nullable();
            $table->json('content')->nullable();                    // BuilderJS JSON
            $table->string('category', 100)->nullable();
            $table->boolean('is_featured')->default(false);
            $table->integer('use_count')->default(0);
            $table->timestamps();

            $table->foreign('customer_id')->references('id')->on('customers')->onDelete('cascade');
            $table->index(['customer_id', 'platform'], 'idx_adtemplate_customer_platform');
        });
    }

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