<?php

namespace Tests\Unit\Services;

use App\Services\NavigationContextService;
use Illuminate\Http\Request;
use Tests\TestCase;

class NavigationContextServiceTest extends TestCase
{
    public function test_builds_back_navigation_stack_from_get_requests(): void
    {
        session()->start();

        $service = app(NavigationContextService::class);
        $indexRequest = Request::create('https://crm.test/reclamations?filters[comment]=abc', 'GET');
        $showRequest = Request::create('https://crm.test/reclamations/show/10', 'GET');

        $token = $service->getOrCreateToken($indexRequest);
        $service->rememberCurrentPage($indexRequest, $token);
        $service->rememberCurrentPage($showRequest, $token);

        $backUrl = $service->backUrl($showRequest, $token, 'https://crm.test/reclamations');
        $parentUrl = $service->parentUrl($token, 'https://crm.test/reclamations');

        $this->assertSame('https://crm.test/reclamations?filters%5Bcomment%5D=abc', $backUrl);
        $this->assertSame('https://crm.test/reclamations?filters%5Bcomment%5D=abc', $parentUrl);
    }

    public function test_remember_current_page_moves_duplicate_url_to_stack_end_without_duplication(): void
    {
        session()->start();

        $service = app(NavigationContextService::class);
        $indexRequest = Request::create('https://crm.test/catalog?page=2', 'GET');
        $showRequest = Request::create('https://crm.test/catalog/15?nav=test-token', 'GET');

        $token = $service->getOrCreateToken($indexRequest);
        $service->rememberCurrentPage($indexRequest, $token);
        $service->rememberCurrentPage($showRequest, $token);
        $service->rememberCurrentPage($indexRequest, $token);

        $contexts = session('navigation');
        $stack = $contexts[$token]['stack'] ?? [];

        $this->assertSame([
            'https://crm.test/catalog/15',
            'https://crm.test/catalog?page=2',
        ], $stack);
    }

    public function test_parent_url_returns_fallback_when_stack_has_single_entry(): void
    {
        session()->start();

        $service = app(NavigationContextService::class);
        $request = Request::create('https://crm.test/product_sku/55', 'GET');

        $token = $service->getOrCreateToken($request);
        $service->rememberCurrentPage($request, $token);

        $this->assertSame('https://crm.test/product_sku', $service->parentUrl($token, 'https://crm.test/product_sku'));
    }
}