<?php

use Carbon\CarbonImmutable;
use Illuminate\Support\Facades\Log;
use Mattitja\BadIpBlocker\BadIpStore;

beforeEach(fn () => $this->store = app(BadIpStore::class));

afterEach(fn () => CarbonImmutable::setTestNow());

it('starts empty when no file exists', function () {
    expect($this->store->all())->toBe([])
        ->and($this->store->isBlocked('203.0.113.10'))->toBeFalse();
});

it('blocks and unblocks an ip', function () {
    $this->store->block('203.0.113.10', 'test');

    expect($this->store->isBlocked('203.0.113.10'))->toBeTrue()
        ->and($this->store->all()['203.0.113.10']['reason'])->toBe('test');

    expect($this->store->unblock('203.0.113.10'))->toBeTrue()
        ->and($this->store->unblock('203.0.113.10'))->toBeFalse()
        ->and($this->store->isBlocked('203.0.113.10'))->toBeFalse();
});

it('supports ipv6', function () {
    $this->store->block('2001:db8::1');

    expect($this->store->isBlocked('2001:db8::1'))->toBeTrue();
});

it('rejects invalid ips', function () {
    $this->store->block('not-an-ip');
})->throws(InvalidArgumentException::class);

it('persists to the json file and is visible to other instances', function () {
    $this->store->block('198.51.100.20');

    $other = new BadIpStore($this->store->path());

    expect($other->isBlocked('198.51.100.20'))->toBeTrue()
        ->and(json_decode(file_get_contents($this->store->path()), true)['ips'])->toHaveKey('198.51.100.20');
});

it('picks up changes made by another process', function () {
    expect($this->store->isBlocked('192.0.2.30'))->toBeFalse();

    (new BadIpStore($this->store->path()))->block('192.0.2.30');

    expect($this->store->isBlocked('192.0.2.30'))->toBeTrue();
});

it('expires blocks with a ttl', function () {
    CarbonImmutable::setTestNow('2026-11-11 20:00:00');
    $this->store->block('203.0.113.10', null, 60);

    expect($this->store->isBlocked('203.0.113.10'))->toBeTrue();

    CarbonImmutable::setTestNow('2026-11-11 20:01:01');

    expect($this->store->isBlocked('203.0.113.10'))->toBeFalse()
        ->and($this->store->all())->toBe([]);
});

it('prunes expired entries', function () {
    CarbonImmutable::setTestNow('2026-11-11 20:00:00');
    $this->store->block('203.0.113.10', null, 60);
    $this->store->block('198.51.100.20');

    CarbonImmutable::setTestNow('2026-11-11 21:00:00');

    expect($this->store->prune())->toBe(1)
        ->and(array_keys($this->store->all()))->toBe(['198.51.100.20']);
});

it('clears all entries', function () {
    $this->store->block('203.0.113.10');
    $this->store->clear();

    expect($this->store->all())->toBe([]);
});

it('treats a corrupt file as empty and logs a warning', function () {
    Log::spy();

    @mkdir(dirname($this->store->path()), 0755, true);
    file_put_contents($this->store->path(), '{not json');

    expect($this->store->all())->toBe([]);

    Log::shouldHaveReceived('warning')->once();
});