<?php

declare(strict_types=1);

use App\Models\LegalEntity;
use App\Models\SaasInvoice;
use App\Models\Tenant;
use App\Models\TenantRequisites;
use App\Models\User;
use App\Services\Billing\Invoice\InvoiceService;
use App\Services\Billing\Invoice\RequisitesIncompleteException;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\Storage;

uses(DatabaseTransactions::class);

function makeSellerLe(): LegalEntity
{
    return LegalEntity::create([
        'code' => 'seller_'.uniqid(), 'name' => 'ИП Лидерра', 'legal_form' => 'IP',
        'inn' => '770000000001', 'bank_name' => 'ВТБ', 'bank_bik' => '044525187',
        'bank_account' => '40802810000000000001', 'bank_corr' => '30101810700000000187',
        'is_default' => true,
    ]);
}

function makeClientRequisites(int $tenantId): TenantRequisites
{
    return TenantRequisites::create([
        'tenant_id' => $tenantId,
        'subject_type' => 'legal_entity',
        'contact_name' => 'Иван Клиентов',
        'contact_phone' => '+79150000000',
        'inn' => '5000000000',
        'legal_name' => 'ООО Клиент',
        'kpp' => '500001001',
        'legal_address' => 'г. Москва, ул. Пример, 1',
        'bank_account' => '40702810000000000002',
    ]);
}

it('создаёт счёт issued с позицией, без НДС, номером и PDF', function () {
    Storage::fake('local');
    $tenant = Tenant::factory()->create();
    makeSellerLe();
    makeClientRequisites($tenant->id);

    $invoice = app(InvoiceService::class)->create($tenant->id, '1500.00', null);

    expect($invoice->status)->toBe(SaasInvoice::STATUS_ISSUED)
        ->and((string) $invoice->amount_total)->toBe('1500.00')
        ->and((float) $invoice->vat_amount)->toBe(0.0)
        ->and($invoice->invoice_number)->toStartWith('СЧ-')
        ->and($invoice->pdf_path)->not->toBeNull()
        ->and($invoice->payer_name)->toBe('ООО Клиент')
        ->and($invoice->items()->count())->toBe(1)
        ->and($invoice->payment_purpose)->toContain($invoice->invoice_number);

    Storage::disk('local')->assertExists($invoice->pdf_path);
});

it('бросает доменную ошибку если реквизиты клиента не заполнены', function () {
    $tenant = Tenant::factory()->create();
    makeSellerLe();

    app(InvoiceService::class)->create($tenant->id, '1500.00', null);
})->throws(RequisitesIncompleteException::class);

it('POST /api/billing/invoices создаёт счёт и возвращает 201 с pdf-ссылкой', function () {
    Storage::fake('local');
    $tenant = Tenant::factory()->create();
    makeSellerLe();
    makeClientRequisites($tenant->id);
    $this->actingAs(User::factory()->create(['tenant_id' => $tenant->id]));

    $this->postJson('/api/billing/invoices', ['amount_rub' => 2000])
        ->assertStatus(201)
        ->assertJsonStructure(['invoice' => ['id', 'invoice_number', 'amount_total', 'pdf_url']]);
});

it('POST /api/billing/invoices без реквизитов → 422', function () {
    Storage::fake('local');
    $tenant = Tenant::factory()->create();
    makeSellerLe();
    $this->actingAs(User::factory()->create(['tenant_id' => $tenant->id]));

    $this->postJson('/api/billing/invoices', ['amount_rub' => 2000])->assertStatus(422);
});

it('GET /api/billing/invoices/{id}/pdf скачивает PDF своего счёта', function () {
    Storage::fake('local');
    $tenant = Tenant::factory()->create();
    makeSellerLe();
    makeClientRequisites($tenant->id);
    $this->actingAs(User::factory()->create(['tenant_id' => $tenant->id]));

    $invoice = app(InvoiceService::class)->create($tenant->id, '2000.00', null);

    $this->get("/api/billing/invoices/{$invoice->id}/pdf")
        ->assertOk()
        ->assertHeader('content-type', 'application/pdf');
});