<?php

declare(strict_types=1);

namespace HyperfTest\Cases\Unit\Service;

use App\Model\AggregateRefreshQueue;
use App\Service\AggregateRefresherInterface;
use App\Service\OrderAggregatesRefreshJob;
use Carbon\Carbon;
use PHPUnit\Framework\TestCase;
use RuntimeException;

/**
 * 测试用 stub Refresher，记录每次 refresh 调用
 */
class RecordingRefresher implements AggregateRefresherInterface
{
    /** @var array<int, array{view: string, date: string}> */
    public array $calls = [];

    public function refresh(string $view, string $refresh_date): void
    {
        $this->calls[] = ['view' => $view, 'date' => $refresh_date];
    }
}

/**
 * 测试用 stub Refresher，每次调用抛异常（模拟刷新失败）
 */
class ThrowingRefresher implements AggregateRefresherInterface
{
    public function refresh(string $view, string $refresh_date): void
    {
        throw new RuntimeException('refresh failed');
    }
}

/**
 * @internal
 * @coversNothing
 */
class OrderAggregatesRefreshJobTest extends TestCase
{
    protected function runInCoroutine(callable $callback): void
    {
        if (\Swoole\Coroutine::getCid() > 0) {
            $callback();
            return;
        }

        $exception = null;
        \Swoole\Coroutine\run(static function () use ($callback, &$exception): void {
            try {
                $callback();
            } catch (\Throwable $e) {
                $exception = $e;
            }
        });
        if ($exception) {
            throw $exception;
        }
    }

    /**
     * 沿用 P23.1 AggregateRefreshQueueTest 的随机未来日期隔离策略，
     * 确保不同测试用例间无冲突，也不会污染生产数据。
     */
    private function uniqueRefreshDate(): string
    {
        return sprintf('20%02d-%02d-%02d', random_int(50, 99), random_int(1, 12), random_int(1, 28));
    }

    /**
     * 队列项 created_at < now()-1h 应被处理：调用 refresher 后从队列删除
     */
    public function test_processes_old_items_and_clears_queue(): void
    {
        $this->runInCoroutine(function (): void {
            $date_a = $this->uniqueRefreshDate();
            $date_b = $this->uniqueRefreshDate();
            while ($date_b === $date_a) {
                $date_b = $this->uniqueRefreshDate();
            }

            // 前置清理（防 random 撞历史残留）
            AggregateRefreshQueue::query()->whereIn('refresh_date', [$date_a, $date_b])->delete();

            try {
                $two_hours_ago = Carbon::now()->subHours(2);
                AggregateRefreshQueue::query()->insertOrIgnore([
                    ['refresh_date' => $date_a, 'aggregate_view' => 'orders_daily_by_created', 'created_at' => $two_hours_ago],
                    ['refresh_date' => $date_b, 'aggregate_view' => 'orders_daily_by_created', 'created_at' => $two_hours_ago],
                ]);

                $refresher = new RecordingRefresher();
                $job = new OrderAggregatesRefreshJob($refresher);
                $result = $job->run();

                $this->assertSame(2, $result['processed']);
                $this->assertSame(0, $result['failed']);
                $this->assertCount(2, $refresher->calls);

                // 队列已清空（针对本次测试的两条）
                $remaining = AggregateRefreshQueue::query()
                    ->whereIn('refresh_date', [$date_a, $date_b])
                    ->count();
                $this->assertSame(0, $remaining);
            } finally {
                AggregateRefreshQueue::query()->whereIn('refresh_date', [$date_a, $date_b])->delete();
            }
        });
    }

    /**
     * 队列项 created_at >= now()-1h 应被跳过：refresher 无调用，队列保留
     */
    public function test_recently_enqueued_items_are_skipped(): void
    {
        $this->runInCoroutine(function (): void {
            $date = $this->uniqueRefreshDate();
            AggregateRefreshQueue::query()->where('refresh_date', $date)->delete();

            try {
                AggregateRefreshQueue::query()->insertOrIgnore([
                    'refresh_date'   => $date,
                    'aggregate_view' => 'orders_daily_by_created',
                    'created_at'     => Carbon::now()->subMinutes(30), // < 1 hour
                ]);

                $refresher = new RecordingRefresher();
                $job = new OrderAggregatesRefreshJob($refresher);
                $result = $job->run();

                $this->assertSame(0, $result['processed']);
                $this->assertSame(0, $result['failed']);
                $this->assertCount(0, $refresher->calls);

                // 队列项保留
                $exists = AggregateRefreshQueue::query()->where('refresh_date', $date)->exists();
                $this->assertTrue($exists);
            } finally {
                AggregateRefreshQueue::query()->where('refresh_date', $date)->delete();
            }
        });
    }

    /**
     * refresher 抛异常时：队列项保留（下次任务重试），失败计数 +1
     */
    public function test_failure_keeps_queue_item(): void
    {
        $this->runInCoroutine(function (): void {
            $date = $this->uniqueRefreshDate();
            AggregateRefreshQueue::query()->where('refresh_date', $date)->delete();

            try {
                AggregateRefreshQueue::query()->insertOrIgnore([
                    'refresh_date'   => $date,
                    'aggregate_view' => 'orders_daily_by_created',
                    'created_at'     => Carbon::now()->subHours(2),
                ]);

                $job = new OrderAggregatesRefreshJob(new ThrowingRefresher());
                $result = $job->run();

                $this->assertSame(0, $result['processed']);
                $this->assertSame(1, $result['failed']);

                // 队列项保留以待重试
                $exists = AggregateRefreshQueue::query()->where('refresh_date', $date)->exists();
                $this->assertTrue($exists);
            } finally {
                AggregateRefreshQueue::query()->where('refresh_date', $date)->delete();
            }
        });
    }
}