<?php

use Illuminate\Database\Migrations\Migration;
use Illuminate\Database\Schema\Blueprint;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Schema;

return new class extends Migration {
    public function up(): void
    {
        Schema::create('articles', function (Blueprint $table) {
            $table->id();
            $table->string('title');
            $table->text('content');
            $table->timestamps();
        });

        $dimension = (int) config('services.embedding.dimension', 768);
        DB::statement("ALTER TABLE articles ADD COLUMN embedding vector({$dimension})");
        DB::statement('CREATE INDEX articles_embedding_cosine_idx ON articles USING ivfflat (embedding vector_cosine_ops)');
    }

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