<?php

declare(strict_types=1);

namespace LIT\MCP\Tests\Unit\Admin;

use Brain\Monkey\Functions;
use LIT\MCP\Admin\LogObjects;
use LIT\MCP\Tests\Unit\TestCase;
use WP_Post;
use WP_Term;

final class LogObjectsTest extends TestCase
{
    /** @var array<int, WP_Post> */
    private array $posts = [];

    protected function setUp(): void
    {
        parent::setUp();
        Functions\stubEscapeFunctions();
        Functions\stubTranslationFunctions();
        Functions\when('post_type_exists')->alias(static fn (string $type): bool => in_array($type, ['page', 'post', 'attachment'], true));
        Functions\when('get_post_type_object')->alias(static fn (string $type): object => (object) [
            'labels' => (object) ['singular_name' => ['page' => 'Seite', 'post' => 'Beitrag'][$type] ?? $type],
        ]);
        Functions\when('get_post')->alias(fn ($id) => $this->posts[(int) $id] ?? null);
        Functions\when('get_edit_post_link')->alias(
            static fn ($id, $context = 'display'): string => 'https://kunde.de/wp-admin/post.php?post=' . $id . '&action=edit'
        );
        Functions\when('admin_url')->alias(static fn (string $path = ''): string => 'https://kunde.de/wp-admin/' . $path);
        Functions\when('current_user_can')->justReturn(true);
        Functions\when('get_registered_nav_menus')->justReturn(['primary-menu' => 'Hauptmenü']);
    }

    public function testAPageShowsItsTypeLabelAndLinkedTitle(): void
    {
        $this->posts[834] = new WP_Post(['ID' => 834, 'post_type' => 'page', 'post_status' => 'publish', 'post_title' => '[Test] <b>Kontakt</b>']);

        $object = (new LogObjects())->describe('page', '834');

        self::assertSame(
            'Seite: <a href="https://kunde.de/wp-admin/post.php?post=834&action=edit">[Test] &lt;b&gt;Kontakt&lt;/b&gt;</a>',
            $object['html']
        );
        self::assertSame('https://kunde.de/wp-admin/post.php?post=834&action=edit', $object['url']);
    }

    public function testAnUntitledPostSaysSo(): void
    {
        $this->posts[5] = new WP_Post(['ID' => 5, 'post_type' => 'post', 'post_status' => 'draft', 'post_title' => '']);

        self::assertStringContainsString('>(kein Titel)</a>', (new LogObjects())->describe('post', '5')['html']);
    }

    public function testNoLinkWhenTheUserMayNotEditThePost(): void
    {
        Functions\when('get_edit_post_link')->justReturn(null);
        $this->posts[834] = new WP_Post(['ID' => 834, 'post_type' => 'page', 'post_status' => 'publish', 'post_title' => 'Kontakt']);

        self::assertSame(['html' => 'Seite: Kontakt', 'url' => ''], (new LogObjects())->describe('page', '834'));
    }

    public function testATrashedPostIsNamedButNotLinked(): void
    {
        $this->posts[783] = new WP_Post(['ID' => 783, 'post_type' => 'page', 'post_status' => 'trash', 'post_title' => 'LIT Smoke Seite']);

        self::assertSame(
            ['html' => 'Seite: LIT Smoke Seite (im Papierkorb)', 'url' => ''],
            (new LogObjects())->describe('page', '783')
        );
    }

    public function testADeletedPostShowsItsIdAsDeleted(): void
    {
        self::assertSame(['html' => 'Seite: #834 (gelöscht)', 'url' => ''], (new LogObjects())->describe('page', '834'));
    }

    public function testAnAttachmentIsAMediumLinkedToTheMediaEditScreen(): void
    {
        $this->posts[830] = new WP_Post(['ID' => 830, 'post_type' => 'attachment', 'post_status' => 'inherit', 'post_title' => 'Massivholzmoebel']);

        $object = (new LogObjects())->describe('attachment', '830');

        self::assertSame(
            'Medium: <a href="https://kunde.de/wp-admin/post.php?post=830&action=edit">Massivholzmoebel</a>',
            $object['html']
        );
        self::assertSame('Medium: #799 (gelöscht)', (new LogObjects())->describe('attachment', '799')['html']);
    }

    public function testANavMenuIsLinkedToTheMenusScreen(): void
    {
        Functions\when('get_terms')->justReturn([new WP_Term(['term_id' => 21, 'name' => 'Haupt<menü>', 'taxonomy' => 'nav_menu'])]);
        $objects = new LogObjects();
        $objects->prime([['object_type' => 'nav_menu', 'object_id' => '21'], ['object_type' => 'nav_menu', 'object_id' => '22']]);

        self::assertSame(
            [
                'html' => 'Menü: <a href="https://kunde.de/wp-admin/nav-menus.php?action=edit&menu=21">Haupt&lt;menü&gt;</a>',
                'url' => 'https://kunde.de/wp-admin/nav-menus.php?action=edit&menu=21',
            ],
            $objects->describe('nav_menu', '21')
        );
        self::assertSame(['html' => 'Menü: #22 (gelöscht)', 'url' => ''], $objects->describe('nav_menu', '22'));
    }

    public function testANavMenuIsNotLinkedWithoutTheMenuCapability(): void
    {
        Functions\when('current_user_can')->justReturn(false);
        Functions\when('get_terms')->justReturn([new WP_Term(['term_id' => 21, 'name' => 'Hauptmenü', 'taxonomy' => 'nav_menu'])]);
        $objects = new LogObjects();
        $objects->prime([['object_type' => 'nav_menu', 'object_id' => '21']]);

        self::assertSame(['html' => 'Menü: Hauptmenü', 'url' => ''], $objects->describe('nav_menu', '21'));
    }

    public function testAMenuLocationShowsItsRegisteredLabel(): void
    {
        self::assertSame(['html' => 'Menüposition: Hauptmenü', 'url' => ''], (new LogObjects())->describe('menu_location', 'primary-menu'));
        self::assertSame(
            ['html' => 'Menüposition: <code>footer&lt;x&gt;</code>', 'url' => ''],
            (new LogObjects())->describe('menu_location', 'footer<x>')
        );
    }

    public function testOptionsShowHumanLabelsAndUnknownKeysAsCode(): void
    {
        self::assertSame(
            ['html' => 'Einstellungen: Titel der Website, Untertitel', 'url' => ''],
            (new LogObjects())->describe('option', 'blogname,blogdescription')
        );
        self::assertSame(
            ['html' => 'Einstellung: <code>foo&lt;b&gt;</code>', 'url' => ''],
            (new LogObjects())->describe('option', 'foo<b>')
        );
    }

    public function testAnUnknownObjectTypeIsShownAsCode(): void
    {
        self::assertSame(['html' => '<code>shop_thing 42</code>', 'url' => ''], (new LogObjects())->describe('shop_thing', '42'));
        self::assertSame(['html' => '–', 'url' => ''], (new LogObjects())->describe('', ''));
    }

    public function testPrimeLoadsAllPostsAndMenusOfThePageInOneGoEach(): void
    {
        Functions\expect('_prime_post_caches')->once()->with([834, 830], false, false);
        Functions\expect('get_terms')->once()->with(['taxonomy' => 'nav_menu', 'include' => [21], 'hide_empty' => false])->andReturn([]);

        (new LogObjects())->prime([
            ['object_type' => 'page', 'object_id' => '834'],
            ['object_type' => 'attachment', 'object_id' => '830'],
            ['object_type' => 'page', 'object_id' => '834'],
            ['object_type' => 'nav_menu', 'object_id' => '21'],
            ['object_type' => 'option', 'object_id' => 'blogname'],
            ['object_type' => 'page', 'object_id' => 'x'],
        ]);
    }

    public function testPrimeQueriesNothingWithoutPostsOrMenus(): void
    {
        Functions\expect('_prime_post_caches')->never();
        Functions\expect('get_terms')->never();

        (new LogObjects())->prime([['object_type' => 'option', 'object_id' => 'blogname']]);
    }
}