<?php

declare(strict_types=1);

namespace Tests\Feature\Services;

use App\Services\PollAlertService;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\Http;
use Lvl0\FediDiscover\Config\InstanceType;
use Lvl0\FediDiscover\Models\Instance;
use Tests\TestCase;

class PollAlertServiceTest extends TestCase
{
    use RefreshDatabase;

    public function test_record_failure_increments_consecutive_poll_failures_on_the_instance(): void
    {
        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 0]);

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        $this->assertDatabaseHas('fedi_discover_instances', [
            'id' => $instance->id,
            'consecutive_poll_failures' => 1,
        ]);
    }

    public function test_no_alert_sent_below_threshold(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => 'trove-alerts',
            'services.ntfy.threshold' => 3,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 1]); // will become 2 after recordFailure

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        Http::assertNothingSent();
    }

    public function test_alert_sent_when_threshold_is_reached(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => 'trove-alerts',
            'services.ntfy.threshold' => 3,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 2]); // will become 3 after recordFailure = exactly at threshold

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://ntfy.example.com/trove-alerts'
                && $request->method() === 'POST';
        });
    }

    public function test_alert_sent_when_count_exceeds_threshold(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => 'trove-alerts',
            'services.ntfy.threshold' => 3,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 3]); // will become 4 after recordFailure = above threshold

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        Http::assertSent(function ($request) {
            return $request->url() === 'https://ntfy.example.com/trove-alerts'
                && $request->method() === 'POST';
        });
    }

    public function test_no_alert_sent_when_threshold_is_zero(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => 'trove-alerts',
            'services.ntfy.threshold' => 0,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 5]);

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        Http::assertNothingSent();
    }

    public function test_no_alert_sent_when_topic_is_null(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => null,
            'services.ntfy.threshold' => 3,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create(['consecutive_poll_failures' => 2]); // will become 3 after recordFailure = at threshold

        $service = new PollAlertService;
        $service->recordFailure($instance, 'test');

        Http::assertNothingSent();
    }

    public function test_alert_body_contains_instance_url_and_message(): void
    {
        Http::fake();

        config([
            'services.ntfy.url' => 'https://ntfy.example.com',
            'services.ntfy.topic' => 'trove-alerts',
            'services.ntfy.threshold' => 3,
        ]);

        $instance = Instance::factory()
            ->type(InstanceType::Mastodon)
            ->enabled()
            ->create([
                'url' => 'https://mastodon.social',
                'consecutive_poll_failures' => 2, // will become 3 = at threshold
            ]);

        $service = new PollAlertService;
        $service->recordFailure($instance, 'connection refused after 3 retries');

        Http::assertSent(function ($request) {
            return str_contains($request->body(), 'https://mastodon.social')
                && str_contains($request->body(), 'connection refused after 3 retries');
        });
    }
}