<?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('documenti', function (Blueprint $table) {
            $table->id();
            $table->string('protocollo')->nullable()->unique(); // es. 2025-0001
            $table->date('data_protocollo')->nullable();
            $table->string('tipo_documento')->nullable(); // Fattura, Contratto, Verbale, ecc.
            $table->unsignedBigInteger('stabile_id')->nullable();
            $table->unsignedBigInteger('fornitore_id')->nullable();
            $table->unsignedBigInteger('esercizio_contabile_id')->nullable();
            $table->text('descrizione')->nullable();
            $table->decimal('importo', 12, 2)->nullable();
            $table->date('data_documento')->nullable();
            $table->string('nome_file');
            $table->string('path_file');
            $table->text('testo_estratto_ocr')->nullable();
            // Polimorfismo
            $table->unsignedBigInteger('documentable_id')->nullable()->index();
            $table->string('documentable_type')->nullable()->index();
            $table->timestamps();
            // FK opzionali
            $table->foreign('stabile_id')->references('id')->on('stabili')->onDelete('set null');
            $table->foreign('fornitore_id')->references('id')->on('fornitori')->onDelete('set null');
            // $table->foreign('esercizio_contabile_id')->references('id')->on('esercizi_contabili')->onDelete('set null'); // FK disabilitata: tabella non ancora presente
        });
    }
    public function down(): void
    {
        Schema::dropIfExists('documenti');
    }
};