<?php

namespace MintyPHP\Tests\Unit\Module;

use MintyPHP\App\AppContainer;
use MintyPHP\Http\SessionStore;
use MintyPHP\Http\SessionStoreInterface;
use MintyPHP\Module\AddressBook\Providers\AddressBookSessionProvider;
use PHPUnit\Framework\TestCase;

/**
 * @covers \MintyPHP\Module\AddressBook\Providers\AddressBookSessionProvider
 */
final class SessionProviderTest extends TestCase
{
    protected function setUp(): void
    {
        $_SESSION = [];
    }

    protected function tearDown(): void
    {
        $_SESSION = [];
    }

    private function containerWithSessionStore(): AppContainer
    {
        $container = new AppContainer();
        $container->set(SessionStoreInterface::class, static fn (): SessionStore => new SessionStore());
        return $container;
    }

    public function testPopulateWithInvalidUserClearsSessionKey(): void
    {
        $_SESSION['module.addressbook.departments_by_tenant'] = [['tenant' => 'old']];

        $provider = new AddressBookSessionProvider();
        $provider->populate(['id' => 0], $this->containerWithSessionStore());

        self::assertArrayNotHasKey('module.addressbook.departments_by_tenant', $_SESSION);
    }

    public function testPopulateWithMissingUserIdClearsSessionKey(): void
    {
        $_SESSION['module.addressbook.departments_by_tenant'] = [['tenant' => 'old']];

        $provider = new AddressBookSessionProvider();
        $provider->populate([], $this->containerWithSessionStore());

        self::assertArrayNotHasKey('module.addressbook.departments_by_tenant', $_SESSION);
    }

    public function testPopulateReturnsEarlyWhenContainerMissesDependencies(): void
    {
        $container = $this->containerWithSessionStore();
        $provider = new AddressBookSessionProvider();
        // Container has SessionStore but no UserTenantContextService → provider returns early
        $provider->populate(['id' => 42], $container);

        self::assertArrayNotHasKey('module.addressbook.departments_by_tenant', $_SESSION);
    }

    public function testClearRemovesSessionKey(): void
    {
        $_SESSION['module.addressbook.departments_by_tenant'] = [
            ['tenant' => ['uuid' => 'abc'], 'departments' => []],
        ];

        $provider = new AddressBookSessionProvider();
        $provider->clear($this->containerWithSessionStore());

        self::assertArrayNotHasKey('module.addressbook.departments_by_tenant', $_SESSION);
    }

    public function testClearIsIdempotent(): void
    {
        // Key doesn't exist — clear() should not throw
        $provider = new AddressBookSessionProvider();
        $provider->clear($this->containerWithSessionStore());

        self::assertArrayNotHasKey('module.addressbook.departments_by_tenant', $_SESSION);
    }
}