<?php

declare(strict_types=1);

use App\Models\BalanceTransaction;
use App\Models\Tenant;
use App\Models\User;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Facades\DB;

uses(DatabaseTransactions::class);

beforeEach(function () {
    $this->tenant = Tenant::factory()->create([
        'balance_rub' => '14250.00',
        'balance_leads' => 285,
    ]);
    $this->user = User::factory()->create(['tenant_id' => $this->tenant->id]);
    $this->actingAs($this->user);
});

// ---- wallet ----

test('GET /api/billing/wallet возвращает баланс тенанта', function () {
    $this->getJson('/api/billing/wallet')
        ->assertOk()
        ->assertJsonPath('balance_rub', '14250.00')
        ->assertJsonPath('balance_leads', 285);
});

test('GET /api/billing/wallet возвращает тариф, если он назначен', function () {
    $tariffId = DB::table('tariff_plans')->where('code', 'pro')->value('id');
    $this->tenant->update(['current_tariff_id' => $tariffId]);

    $response = $this->getJson('/api/billing/wallet');

    $response->assertOk()
        ->assertJsonPath('tariff.code', 'pro')
        ->assertJsonPath('tariff.name', 'Про');
    expect($response->json('tariff.features'))->toBeArray();
});

test('GET /api/billing/wallet возвращает tariff=null без назначенного тарифа', function () {
    $this->getJson('/api/billing/wallet')
        ->assertOk()
        ->assertJsonPath('tariff', null);
});

test('GET /api/billing/wallet: runway_days = null без списаний', function () {
    $this->getJson('/api/billing/wallet')
        ->assertOk()
        ->assertJsonPath('runway_days', null);
});

test('GET /api/billing/wallet: runway_days рассчитан при наличии списаний', function () {
    BalanceTransaction::factory()->create([
        'tenant_id' => $this->tenant->id,
        'type' => 'lead_charge',
        'amount_rub' => '-3000.00',
        'created_at' => now()->subDays(10),
    ]);

    // 3000 ₽ / 30 дн = 100 ₽/день; баланс 14250 → floor(142.5) = 142.
    expect($this->getJson('/api/billing/wallet')->json('runway_days'))->toBe(142);
});

test('GET /api/billing/wallet: runway_days = 0 при отрицательном балансе', function () {
    $this->tenant->update(['balance_rub' => '-500.00']);
    BalanceTransaction::factory()->create([
        'tenant_id' => $this->tenant->id,
        'type' => 'lead_charge',
        'amount_rub' => '-3000.00',
        'created_at' => now()->subDays(10),
    ]);

    // Баланс уже отрицательный → runway не может быть отрицательным, клампится в 0.
    expect($this->getJson('/api/billing/wallet')->json('runway_days'))->toBe(0);
});

test('GET /api/billing/wallet без auth: 401', function () {
    auth()->logout();
    $this->getJson('/api/billing/wallet')->assertStatus(401);
});

// ---- transactions ----

test('GET /api/billing/transactions возвращает транзакции тенанта', function () {
    BalanceTransaction::factory()->count(3)->create(['tenant_id' => $this->tenant->id]);

    $response = $this->getJson('/api/billing/transactions');

    $response->assertOk();
    expect($response->json('data'))->toHaveCount(3);
    expect($response->json('meta.total'))->toBe(3);
    expect($response->json('data.0'))->toHaveKeys(['id', 'code', 'type', 'amount_rub', 'created_at']);
});

test('GET /api/billing/transactions изолирован по тенанту', function () {
    BalanceTransaction::factory()->create(['tenant_id' => $this->tenant->id]);
    $other = Tenant::factory()->create();
    BalanceTransaction::factory()->create(['tenant_id' => $other->id]);

    expect($this->getJson('/api/billing/transactions')->json('data'))->toHaveCount(1);
});

test('GET /api/billing/transactions фильтрует по type', function () {
    BalanceTransaction::factory()->create(['tenant_id' => $this->tenant->id, 'type' => 'topup']);
    BalanceTransaction::factory()->create(['tenant_id' => $this->tenant->id, 'type' => 'lead_charge', 'amount_rub' => '-50.00']);
    BalanceTransaction::factory()->create(['tenant_id' => $this->tenant->id, 'type' => 'refund', 'amount_rub' => '10.00']);

    $this->getJson('/api/billing/transactions?type=topup')
        ->assertJsonCount(1, 'data')->assertJsonPath('data.0.type', 'topup');
    $this->getJson('/api/billing/transactions?type=lead_charge')
        ->assertJsonCount(1, 'data')->assertJsonPath('data.0.type', 'lead_charge');
    $this->getJson('/api/billing/transactions?type=refund')
        ->assertJsonCount(1, 'data')->assertJsonPath('data.0.type', 'refund');
});

test('GET /api/billing/transactions: пагинация 20/страница', function () {
    BalanceTransaction::factory()->count(25)->create(['tenant_id' => $this->tenant->id]);

    expect($this->getJson('/api/billing/transactions?page=1')->json('data'))->toHaveCount(20);
    expect($this->getJson('/api/billing/transactions?page=2')->json('data'))->toHaveCount(5);
});

test('GET /api/billing/transactions без auth: 401', function () {
    auth()->logout();
    $this->getJson('/api/billing/transactions')->assertStatus(401);
});

// ---- invoices ----

test('GET /api/billing/invoices возвращает пустой список без счетов', function () {
    $this->getJson('/api/billing/invoices')
        ->assertOk()
        ->assertJsonCount(0, 'data');
});

test('GET /api/billing/invoices возвращает счета тенанта и изолирует чужие', function () {
    $leId = DB::table('legal_entities')->insertGetId([
        'code' => 'ooo_test_'.uniqid(),
        'name' => 'ООО Тест',
        'legal_form' => 'OOO',
        'inn' => '7700000000',
        'created_at' => now(),
    ]);
    DB::table('saas_invoices')->insert([
        'tenant_id' => $this->tenant->id,
        'legal_entity_id' => $leId,
        'invoice_number' => 'СЧ-2026-00001',
        'payer_type' => 'legal',
        'amount_net' => '990.00',
        'amount_total' => '990.00',
        'status' => 'issued',
        'issued_at' => now(),
        'expires_at' => now()->addDays(5),
    ]);
    $other = Tenant::factory()->create();
    DB::table('saas_invoices')->insert([
        'tenant_id' => $other->id,
        'legal_entity_id' => $leId,
        'invoice_number' => 'СЧ-2026-00002',
        'payer_type' => 'legal',
        'amount_net' => '500.00',
        'amount_total' => '500.00',
        'status' => 'issued',
        'issued_at' => now(),
        'expires_at' => now()->addDays(5),
    ]);

    $response = $this->getJson('/api/billing/invoices');

    $response->assertOk();
    expect($response->json('data'))->toHaveCount(1);
    expect($response->json('data.0.invoice_number'))->toBe('СЧ-2026-00001');
});

test('GET /api/billing/invoices без auth: 401', function () {
    auth()->logout();
    $this->getJson('/api/billing/invoices')->assertStatus(401);
});