<?php

declare(strict_types=1);

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

uses(DatabaseTransactions::class);

beforeEach(function () {
    DB::table('balance_transactions')->delete();
    DB::table('tenants')->delete();
    // tariff_plans оставляем (seeded).
});

function attachTariff(int $tenantId, string $name = 'Команда', float $monthly = 990.00): int
{
    $tariffId = (int) DB::table('tariff_plans')->insertGetId([
        'code' => 'tp_'.bin2hex(random_bytes(4)),
        'name' => $name,
        'billing_model' => 'monthly',
        'price_monthly' => $monthly,
        'price_per_lead' => 10.00,
        'included_leads' => 100,
        'is_active' => true,
        'is_public' => true,
        'sort_order' => 1,
        'created_at' => now(),
        'updated_at' => now(),
    ]);
    DB::table('tenants')->where('id', $tenantId)->update(['current_tariff_id' => $tariffId]);

    return $tariffId;
}

function makeBalanceTx(int $tenantId, string $type, float $amount, ?string $createdAt = null): void
{
    DB::table('balance_transactions')->insert([
        'tenant_id' => $tenantId,
        'type' => $type,
        'amount_rub' => $amount,
        'amount_leads' => 0,
        'created_at' => $createdAt ?? now(),
    ]);
}

test('GET /api/admin/billing 200 + пустой', function () {
    $r = $this->getJson('/api/admin/billing');

    $r->assertStatus(200);
    expect($r->json('tenants'))->toBe([]);
    expect($r->json('summary.total_mrr_rub'))->toBe('0');
    expect($r->json('summary.overdue_count'))->toBe(0);
    expect($r->json('summary.refunds_count_30d'))->toBe(0);
});

test('GET /api/admin/billing возвращает поля + tariff JOIN', function () {
    $tenant = Tenant::factory()->create([
        'organization_name' => 'Окна Москва',
        'subdomain' => 'okna',
        'balance_rub' => '14250.00',
        'is_trial' => false,
    ]);
    attachTariff($tenant->id, 'Команда', 990.00);

    $r = $this->getJson('/api/admin/billing');

    $row = $r->json('tenants.0');
    expect($row['organization_name'])->toBe('Окна Москва');
    expect($row['balance_rub'])->toBe('14250.00');
    expect($row['tariff_name'])->toBe('Команда');
    expect($row['mrr_rub'])->toBe('990.00');
});

test('GET /api/admin/billing аггрегирует topups + charges за текущий месяц', function () {
    $tenant = Tenant::factory()->create();
    attachTariff($tenant->id);

    makeBalanceTx($tenant->id, 'topup', 5000.00); // ✓ in month
    makeBalanceTx($tenant->id, 'topup', 3000.00); // ✓ in month
    makeBalanceTx($tenant->id, 'lead_charge', -1850.00); // ABS = 1850
    makeBalanceTx($tenant->id, 'lead_charge', -2400.00);

    $r = $this->getJson('/api/admin/billing');

    $row = $r->json('tenants.0');
    expect((float) $row['monthly_topups_rub'])->toBe(8000.0);
    expect((float) $row['monthly_charges_rub'])->toBe(4250.0);
    expect($row['last_payment_at'])->toBeString();
});

test('GET /api/admin/billing НЕ включает транзакции прошлого месяца в monthly aggregates', function () {
    $tenant = Tenant::factory()->create();
    attachTariff($tenant->id);

    makeBalanceTx($tenant->id, 'topup', 5000.00); // в этом месяце
    makeBalanceTx($tenant->id, 'topup', 99999.00, now()->subMonths(2)->toDateTimeString()); // 2 месяца назад

    $r = $this->getJson('/api/admin/billing');
    expect((float) $r->json('tenants.0.monthly_topups_rub'))->toBe(5000.0);
});

test('GET /api/admin/billing summary считает overdue (balance<0 OR chargeback>0)', function () {
    Tenant::factory()->create(['balance_rub' => '100.00', 'chargeback_unrecovered_rub' => '0.00']);
    Tenant::factory()->create(['balance_rub' => '-200.00']); // overdue 1
    Tenant::factory()->create(['balance_rub' => '500.00', 'chargeback_unrecovered_rub' => '300.00']); // overdue 2

    $r = $this->getJson('/api/admin/billing');
    expect($r->json('summary.overdue_count'))->toBe(2);
});

test('GET /api/admin/billing summary считает refunds за 30 дней', function () {
    $tenant = Tenant::factory()->create();
    makeBalanceTx($tenant->id, 'refund', -100.00); // ✓ <30 days
    makeBalanceTx($tenant->id, 'refund', -200.00); // ✓
    makeBalanceTx($tenant->id, 'refund', -1000.00, now()->subDays(45)->toDateTimeString()); // > 30 days
    makeBalanceTx($tenant->id, 'topup', 500.00); // не refund

    $r = $this->getJson('/api/admin/billing');
    expect($r->json('summary.refunds_count_30d'))->toBe(2);
});

test('GET /api/admin/billing summary total_mrr суммирует tariff цен для не-trial тенантов', function () {
    $a = Tenant::factory()->create(['is_trial' => false]);
    attachTariff($a->id, 'Команда', 990.00);

    $b = Tenant::factory()->create(['is_trial' => false]);
    attachTariff($b->id, 'Pro', 4990.00);

    $c = Tenant::factory()->create(['is_trial' => true]);
    attachTariff($c->id, 'Команда', 990.00); // trial — не считается

    $r = $this->getJson('/api/admin/billing');
    expect((float) $r->json('summary.total_mrr_rub'))->toBe(5980.0); // 990 + 4990
});

test('GET /api/admin/billing search ILIKE по name + subdomain', function () {
    Tenant::factory()->create(['organization_name' => 'Окна Москва', 'subdomain' => 'okna']);
    Tenant::factory()->create(['organization_name' => 'Двери СПб', 'subdomain' => 'dveri']);

    expect(count($this->getJson('/api/admin/billing?search=окна')->json('tenants')))->toBe(1);
    expect(count($this->getJson('/api/admin/billing?search=DVERI')->json('tenants')))->toBe(1);
});

test('GET /api/admin/billing soft-deleted tenant скрыт', function () {
    $t = Tenant::factory()->create(['organization_name' => 'удалён']);
    $t->delete();
    Tenant::factory()->create(['organization_name' => 'жив']);

    $r = $this->getJson('/api/admin/billing');
    expect(count($r->json('tenants')))->toBe(1);
    expect($r->json('tenants.0.organization_name'))->toBe('жив');
});