<?php

declare(strict_types=1);

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('articles', function (Blueprint $table): void {
            $table->id();
            $table->foreignId('category_id')->nullable()->constrained()->nullOnDelete();
            $table->foreignId('source_id')->nullable()->constrained()->nullOnDelete();
            $table->string('title', 200);
            $table->string('slug')->unique();
            $table->string('excerpt', 320);
            $table->longText('body');
            $table->string('source_name', 160)->nullable();
            $table->string('source_url', 2048)->nullable();
            $table->string('source_level', 32)->default('unknown');
            $table->timestamp('last_verified_at')->nullable();
            $table->string('status', 32)->default('draft');
            $table->boolean('is_stale')->default(false);
            $table->text('stale_note')->nullable();
            $table->string('seo_title', 180)->nullable();
            $table->string('seo_description', 320)->nullable();
            $table->string('h1', 180)->nullable();
            $table->string('canonical_url', 2048)->nullable();
            $table->timestamp('published_at')->nullable();
            $table->timestamps();

            $table->index(['status', 'published_at']);
            $table->index(['is_stale', 'last_verified_at']);
            $table->fullText(['title', 'excerpt', 'body']);
        });
    }

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