<?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
    {
        if (! Schema::hasTable('prompt_landing_page_versions')) {
            Schema::create('prompt_landing_page_versions', function (Blueprint $table) {
                $table->id();
                $table->foreignId('prompt_landing_page_id')->constrained()->cascadeOnDelete();
                $table->unsignedInteger('version');
                $table->longText('html')->nullable();
                $table->longText('css')->nullable();
                $table->longText('js')->nullable();
                $table->foreignId('created_by')->nullable()->constrained('users')->nullOnDelete();
                $table->timestamp('created_at')->nullable();

                $table->unique(['prompt_landing_page_id', 'version'], 'plp_versions_page_version_unique');
            });

            return;
        }

        if (! Schema::hasIndex('prompt_landing_page_versions', 'plp_versions_page_version_unique')) {
            Schema::table('prompt_landing_page_versions', function (Blueprint $table) {
                $table->unique(['prompt_landing_page_id', 'version'], 'plp_versions_page_version_unique');
            });
        }
    }

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