<?php

declare(strict_types=1);

use App\Services\MonthlyPartitionManager;
use Illuminate\Foundation\Testing\DatabaseTransactions;
use Illuminate\Support\Carbon;
use Illuminate\Support\Facades\DB;

uses(DatabaseTransactions::class);

function partitionExists(string $name): bool
{
    return DB::selectOne(
        "SELECT 1 AS ok FROM pg_class WHERE relname = ? AND relkind = 'r'",
        [$name],
    ) !== null;
}

test('ensureRange создаёт месячные партиции deals под диапазон', function (): void {
    $manager = app(MonthlyPartitionManager::class);

    $created = $manager->ensureRange(
        'deals',
        Carbon::parse('2024-02-15'),
        Carbon::parse('2024-04-03'),
    );

    expect($created)->toBeGreaterThanOrEqual(3)
        ->and(partitionExists('deals_2024_02'))->toBeTrue()
        ->and(partitionExists('deals_2024_03'))->toBeTrue()
        ->and(partitionExists('deals_2024_04'))->toBeTrue();
});

test('ensureRange идемпотентна — повторный вызов не падает', function (): void {
    $manager = app(MonthlyPartitionManager::class);

    $manager->ensureRange('deals', Carbon::parse('2024-02-15'), Carbon::parse('2024-02-20'));
    $secondRun = $manager->ensureRange('deals', Carbon::parse('2024-02-15'), Carbon::parse('2024-02-20'));

    expect($secondRun)->toBe(0); // всё уже существует
});

test('ensureRange отвергает неизвестную таблицу', function (): void {
    app(MonthlyPartitionManager::class)->ensureRange('orders', now(), now());
})->throws(InvalidArgumentException::class);