<?php

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

return new class extends Migration
{
    /**
     * Run the migrations.
     */
    public function up(): void
    {
        if (!Schema::hasTable('conguaglios')) {
            Schema::create('conguaglios', function (Blueprint $table) {
                $table->id();
                $table->unsignedBigInteger('bilancio_id');
                $table->unsignedBigInteger('unita_immobiliare_id')->nullable();
                $table->string('descrizione');
                $table->decimal('importo_precedente', 15, 2)->default(0);
                $table->decimal('importo_attuale', 15, 2)->default(0);
                $table->decimal('differenza', 15, 2)->default(0);
                $table->enum('tipo', ['CREDITO', 'DEBITO'])->default('CREDITO');
                $table->enum('stato', ['calcolato', 'confermato', 'applicato', 'annullato'])->default('calcolato');
                $table->date('data_calcolo');
                $table->date('data_applicazione')->nullable();
                $table->text('note')->nullable();
                $table->timestamps();
                $table->softDeletes();

                // Foreign keys
                $table->foreign('bilancio_id')->references('id')->on('bilanci')->onDelete('cascade');
                $table->foreign('unita_immobiliare_id')->references('id')->on('unita_immobiliari')->onDelete('cascade');

                // Indexes
                $table->index(['bilancio_id', 'stato']);
                $table->index(['unita_immobiliare_id', 'stato']);
            });
        }
    }

    /**
     * Reverse the migrations.
     */
    public function down(): void
    {
        Schema::dropIfExists('conguaglios');
    }
};