<?php

declare(strict_types=1);

use App\Models\LegalEntity;
use App\Models\SaasInvoice;
use App\Models\Tenant;
use App\Services\Billing\Invoice\InvoiceNumberGenerator;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Carbon;

uses(DatabaseTransactions::class);

function makeLeForNumbering(): LegalEntity
{
    return LegalEntity::create([
        'code' => 'le_num_'.uniqid(), 'name' => 'ИП Тест', 'legal_form' => 'IP', 'inn' => '770000000000',
    ]);
}

function seedNumberingInvoice(int $tenantId, int $legalEntityId, string $number, string $issuedAt): SaasInvoice
{
    return SaasInvoice::create([
        'tenant_id' => $tenantId,
        'legal_entity_id' => $legalEntityId,
        'invoice_number' => $number,
        'payer_type' => 'legal',
        'amount_net' => '100.00',
        'amount_total' => '100.00',
        'status' => SaasInvoice::STATUS_ISSUED,
        'issued_at' => $issuedAt,
        'expires_at' => $issuedAt,
    ]);
}

it('первый счёт юрлица за год получает номер -00001', function () {
    $le = makeLeForNumbering();
    $num = (new InvoiceNumberGenerator)->next($le->id, Carbon::parse('2026-06-29 12:00:00'));
    expect($num)->toBe('СЧ-2026-00001');
});

it('следующий номер инкрементируется по существующим счетам того же юрлица/года', function () {
    $tenant = Tenant::factory()->create();
    $le = makeLeForNumbering();
    seedNumberingInvoice($tenant->id, $le->id, 'СЧ-2026-00007', '2026-03-01 00:00:00');

    $num = (new InvoiceNumberGenerator)->next($le->id, Carbon::parse('2026-06-29 12:00:00'));
    expect($num)->toBe('СЧ-2026-00008');
});

it('нумерация изолирована по юрлицу', function () {
    $tenant = Tenant::factory()->create();
    $leA = makeLeForNumbering();
    $leB = makeLeForNumbering();
    seedNumberingInvoice($tenant->id, $leA->id, 'СЧ-2026-00042', '2026-02-01 00:00:00');

    expect((new InvoiceNumberGenerator)->next($leB->id, Carbon::parse('2026-06-29 12:00:00')))
        ->toBe('СЧ-2026-00001');
});