<?php

declare(strict_types=1);

use App\Events\AdvertisingStopped;
use App\Jobs\ChargeCampaignSpendJob;
use App\Models\AdCampaign;
use App\Models\AdWallet;
use App\Models\AdWalletTransaction;
use App\Models\Tenant;
use App\Services\Advertising\AdWalletService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Event;
use Illuminate\Support\Facades\Http;
use Tests\Concerns\SharesSupplierPdo;

// Джоб перечисляет кампании через pgsql_supplier (BYPASSRLS) — без share PDO
// вставленные в тест-транзакции кампании (default pgsql-соединение) не видны
// второму соединению до commit'а. RefreshDatabase раньше не был подключён в
// этом файле — подключаем оба вместе (см. общее правило других Advertising-тестов).
uses(RefreshDatabase::class);
uses(SharesSupplierPdo::class);

function configureYandexDirectForSpend(): void
{
    config(['services.yandex_direct.enabled' => true]);
    config(['services.yandex_direct.token' => 'DIRTOKEN']);
    config(['services.yandex_direct.base_url' => 'https://api-sandbox.direct.yandex.com']);
}

/** TSV: накопительное число показов за всё время кампании (ALL_TIME). */
function fakeYandexImpressionsReport(string $tsv = '2500'): void
{
    Http::fake(['*/json/v5/reports' => Http::response($tsv, 200)]);
}

function makeRunningCampaign(int $tenantId): AdCampaign
{
    return AdCampaign::create([
        'tenant_id' => $tenantId,
        'name' => 'Кампания списания',
        'status' => AdCampaign::STATUS_RUNNING,
        'yandex_campaign_id' => 222,
        'audience_days' => 10,
        'use_uploaded_list' => true,
        'frequency' => 15,
        'estimated_impressions' => 10000,
        'paid_impressions' => 10000,
    ]);
}

it('charges the client for delivered impressions at the flat CPM (client_cpm_rub not set → default 120.00 ₽/1000)', function () {
    configureYandexDirectForSpend();
    fakeYandexImpressionsReport();

    $tenant = Tenant::factory()->create();
    app(AdWalletService::class)->topup($tenant->id, '1000.00', 'yandex', 'тест');
    $campaign = makeRunningCampaign($tenant->id);

    app(ChargeCampaignSpendJob::class)->handle();

    $wallet = AdWallet::where('tenant_id', $tenant->id)->first();
    // 2500 показов × 120.00 ₽/1000 = 300.00 ₽ клиенту.
    expect($wallet->balance_rub)->toBe('700.00'); // 1000.00 − 300.00

    $tx = AdWalletTransaction::where('tenant_id', $tenant->id)
        ->where('external_key', "yandex-imp:{$campaign->id}:2500")
        ->first();

    expect($tx)->not->toBeNull()
        ->and($tx->type)->toBe(AdWalletTransaction::TYPE_CHARGE)
        ->and($tx->amount_rub)->toBe('-300.00');
});

it('does not double-charge on a second run (idempotent by external_key)', function () {
    configureYandexDirectForSpend();
    fakeYandexImpressionsReport();

    $tenant = Tenant::factory()->create();
    app(AdWalletService::class)->topup($tenant->id, '1000.00', 'yandex', 'тест');
    makeRunningCampaign($tenant->id);

    app(ChargeCampaignSpendJob::class)->handle();
    $balanceAfterFirst = AdWallet::where('tenant_id', $tenant->id)->first()->balance_rub;

    app(ChargeCampaignSpendJob::class)->handle();
    $balanceAfterSecond = AdWallet::where('tenant_id', $tenant->id)->first()->balance_rub;

    expect($balanceAfterSecond)->toBe($balanceAfterFirst)
        ->and($balanceAfterSecond)->toBe('700.00');
});

it('stops all advertising when the charge leaves the tenant insolvent', function () {
    Event::fake([AdvertisingStopped::class]);
    configureYandexDirectForSpend();
    fakeYandexImpressionsReport();

    $tenant = Tenant::factory()->create();
    // Заморозка ТАЕТ вместе со списанием по своей кампании, поэтому нехватку денег
    // создаёт ЧУЖОЙ резерв: у клиента запущена вторая кампания с холдом 200.00 ₽,
    // а первая съедает 300.00 ₽ из 400.00 ₽ → на вторую денег уже нет (100 < 200)
    // → стоп всей рекламы тенанта.
    app(AdWalletService::class)->topup($tenant->id, '400.00', 'yandex', 'тест');
    $campaign = makeRunningCampaign($tenant->id);
    app(AdWalletService::class)->freeze($tenant->id, 'yandex', 'campaign', $campaign->id + 1, '200.00');

    app(ChargeCampaignSpendJob::class)->handle();

    Event::assertDispatched(AdvertisingStopped::class, fn ($e) => $e->tenantId === $tenant->id);
});

it('does nothing and sends no HTTP when the yandex_direct switch is off', function () {
    config(['services.yandex_direct.enabled' => false]);
    fakeYandexImpressionsReport();

    $tenant = Tenant::factory()->create();
    app(AdWalletService::class)->topup($tenant->id, '1000.00', 'yandex', 'тест');
    makeRunningCampaign($tenant->id);

    app(ChargeCampaignSpendJob::class)->handle();

    Http::assertNothingSent();

    $wallet = AdWallet::where('tenant_id', $tenant->id)->first();
    expect($wallet->balance_rub)->toBe('1000.00');
});