<?php

namespace Tests\Feature;

use App\Models\NavigationItem;
use App\Models\Page;
use App\Models\User;
use App\Support\NavigationManager;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Tests\TestCase;

class NavigationTest extends TestCase
{
    use RefreshDatabase;

    protected $admin;

    protected function setUp(): void
    {
        parent::setUp();
        $this->admin = User::factory()->create();
        $this->admin->roles()->create([
            'name' => 'Admin',
            'slug' => 'admin',
        ]);
    }

    public function test_can_access_navigation_management()
    {
        $response = $this->actingAs($this->admin)
            ->get(env('ADMIN_PATH', 'loom') . '/navigation');

        $response->assertStatus(200);
        $response->assertViewIs('admin.navigation.index');
    }

    public function test_can_add_navigation_item()
    {
        $page = Page::factory()->create(['slug' => 'test-page']);

        $response = $this->actingAs($this->admin)
            ->post(env('ADMIN_PATH', 'loom') . '/navigation', [
                'label' => 'Test Link',
                'page_id' => $page->id,
                'target' => '_self',
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('navigation_items', [
            'label' => 'Test Link',
            'page_id' => $page->id,
        ]);
    }

    public function test_navigation_is_shared_with_views()
    {
        $item = NavigationItem::create([
            'label' => 'Home',
            'url' => '/',
            'order' => 0,
            'target' => '_self',
        ]);

        $response = $this->get('/');

        $response->assertStatus(200);
        $this->assertTrue(isset($response->original->getData()['navigation']));

        // NavigationManager uses IDs as keys for DB items
        $this->assertArrayHasKey($item->id, $response->original->getData()['navigation']);
        $this->assertEquals('Home', $response->original->getData()['navigation'][$item->id]['label']);
    }

    public function test_navigation_manager_merges_items()
    {
        $navManager = new NavigationManager();
        $navManager->register('test', 'Old Label', '/old');
        $navManager->register('test', 'New Label', '/new');

        $items = $navManager->getItems();
        $this->assertCount(1, $items);
        $this->assertEquals('New Label', $items['test']['label']);
        $this->assertEquals('/new', $items['test']['url']);
    }

    public function test_can_register_navigation_via_manager_singleton()
    {
        $navManager = app(NavigationManager::class);
        $navManager->register('plugin_item', 'Plugin Page', '/plugin');

        $response = $this->get('/');

        $response->assertStatus(200);
        $navigation = $response->original->getData()['navigation'];
        $this->assertArrayHasKey('plugin_item', $navigation);
        $this->assertEquals('Plugin Page', $navigation['plugin_item']['label']);
    }

    public function test_can_create_page_with_navigation_item()
    {
        $response = $this->actingAs($this->admin)
            ->post(env('ADMIN_PATH', 'loom') . '/pages', [
                'title' => 'Nav Page',
                'slug' => 'nav-page',
                'content' => [['type' => 'paragraph', 'data' => ['text' => 'Hello']]],
                'include_in_navigation' => true,
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('pages', ['title' => 'Nav Page']);
        $this->assertDatabaseHas('navigation_items', ['label' => 'Nav Page']);
    }

    public function test_can_update_page_navigation_item()
    {
        $page = Page::factory()->create(['title' => 'Old Title', 'slug' => 'old-slug']);

        // First, enable navigation
        $response = $this->actingAs($this->admin)
            ->put(env('ADMIN_PATH', 'loom') . '/pages/' . $page->id, [
                'title' => 'New Title',
                'slug' => 'old-slug',
                'content' => [['type' => 'paragraph', 'data' => ['text' => 'Hello']]],
                'include_in_navigation' => true,
            ]);

        $response->assertRedirect();

        $this->assertDatabaseHas('navigation_items', ['page_id' => $page->id, 'label' => 'New Title']);

        // Now, disable navigation
        $this->actingAs($this->admin)
            ->put(env('ADMIN_PATH', 'loom') . '/pages/' . $page->id, [
                'title' => 'New Title',
                'slug' => 'old-slug',
                'content' => [['type' => 'paragraph', 'data' => ['text' => 'Hello']]],
                'include_in_navigation' => false,
            ]);

        $this->assertDatabaseMissing('navigation_items', ['page_id' => $page->id]);
    }

    public function test_can_create_dropdown_menu()
    {
        $parent = NavigationItem::create([
            'label' => 'Parent Menu',
            'url' => '#',
            'order' => 0,
            'target' => '_self',
        ]);

        $response = $this->actingAs($this->admin)
            ->post(env('ADMIN_PATH', 'loom') . '/navigation', [
                'label' => 'Sub Link',
                'url' => '/sub-link',
                'parent_id' => $parent->id,
                'target' => '_self',
            ]);

        $response->assertRedirect();
        $this->assertDatabaseHas('navigation_items', [
            'label' => 'Sub Link',
            'parent_id' => $parent->id,
        ]);

        $indexResponse = $this->actingAs($this->admin)
            ->get(env('ADMIN_PATH', 'loom') . '/navigation');

        $indexResponse->assertStatus(200);
        $items = $indexResponse->viewData('items');
        $this->assertCount(1, $items); // Only top-level
        $this->assertCount(1, $items[0]->children);
        $this->assertEquals('Sub Link', $items[0]->children[0]->label);

        $parentItems = $indexResponse->viewData('parentItems');
        $this->assertCount(1, $parentItems);
        $this->assertEquals('Parent Menu', $parentItems[0]->label);
    }
}