<?php
declare(strict_types=1);

namespace Unsupervised\Schedular\Tests\Unit\Auth;

use Brain\Monkey\Functions;
use Unsupervised\Schedular\Auth\RegistrationStatus;
use Unsupervised\Schedular\Tests\Unit\TestCase;

class RegistrationStatusTest extends TestCase
{
    public function testMarkPendingIssuesHashedTokenAndSetsFlags(): void
    {
        Functions\when('wp_generate_password')->justReturn('rawtoken');

        Functions\expect('update_user_meta')
            ->once()
            ->with(7, RegistrationStatus::META_AWAITING_APPROVAL, '1');
        Functions\expect('update_user_meta')
            ->once()
            ->with(7, RegistrationStatus::META_CONFIRM_TOKEN, hash('sha256', 'rawtoken'));
        Functions\expect('update_user_meta')
            ->once()
            ->with(7, RegistrationStatus::META_CONFIRM_EXPIRES, \Mockery::type('string'));

        self::assertSame('rawtoken', RegistrationStatus::markPending(7));
    }

    public function testConfirmEmailSetsFlagAndClearsToken(): void
    {
        Functions\expect('update_user_meta')
            ->once()
            ->with(7, RegistrationStatus::META_EMAIL_CONFIRMED, '1');
        Functions\expect('delete_user_meta')->once()->with(7, RegistrationStatus::META_CONFIRM_TOKEN);
        Functions\expect('delete_user_meta')->once()->with(7, RegistrationStatus::META_CONFIRM_EXPIRES);

        RegistrationStatus::confirmEmail(7);
    }

    public function testApproveClearsPendingFlags(): void
    {
        Functions\expect('delete_user_meta')->once()->with(7, RegistrationStatus::META_AWAITING_APPROVAL);
        Functions\expect('delete_user_meta')->once()->with(7, RegistrationStatus::META_CONFIRM_TOKEN);
        Functions\expect('delete_user_meta')->once()->with(7, RegistrationStatus::META_CONFIRM_EXPIRES);

        RegistrationStatus::approve(7);
    }

    public function testAwaitingApprovalAndEmailConfirmedReadMeta(): void
    {
        Functions\when('get_user_meta')->alias(static function (int $id, string $key) {
            return $key === RegistrationStatus::META_AWAITING_APPROVAL ? '1' : '';
        });

        self::assertTrue(RegistrationStatus::isAwaitingApproval(7));
        self::assertFalse(RegistrationStatus::emailConfirmed(7));
    }

    public function testUserIdForTokenLooksUpByHashOnly(): void
    {
        Functions\expect('get_users')
            ->once()
            ->with(\Mockery::on(static fn (array $args): bool =>
                $args['meta_key'] === RegistrationStatus::META_CONFIRM_TOKEN
                && $args['meta_value'] === hash('sha256', 'rawtoken')))
            ->andReturn([9]);

        self::assertSame(9, RegistrationStatus::userIdForToken('rawtoken'));
    }

    public function testUserIdForTokenReturnsNullWhenNoMatch(): void
    {
        Functions\when('get_users')->justReturn([]);

        self::assertNull(RegistrationStatus::userIdForToken('rawtoken'));
    }

    public function testEmptyTokenShortCircuits(): void
    {
        // get_users must never be called for an empty token.
        Functions\expect('get_users')->never();

        self::assertNull(RegistrationStatus::userIdForToken(''));
    }

    public function testTokenExpiredWhenExpiryPassed(): void
    {
        Functions\when('get_user_meta')->justReturn('2020-01-01 00:00:00');

        self::assertTrue(RegistrationStatus::isTokenExpired(7, '2020-01-02 00:00:00'));
    }

    public function testTokenNotExpiredWhenExpiryInFuture(): void
    {
        Functions\when('get_user_meta')->justReturn('2020-01-03 00:00:00');

        self::assertFalse(RegistrationStatus::isTokenExpired(7, '2020-01-02 00:00:00'));
    }

    public function testMissingExpiryTreatedAsExpired(): void
    {
        Functions\when('get_user_meta')->justReturn('');

        self::assertTrue(RegistrationStatus::isTokenExpired(7, '2020-01-02 00:00:00'));
    }
}