<?php

declare(strict_types=1);

namespace App\Controllers\Admin;

use CodeIgniter\HTTP\ResponseInterface;

/** Guides CRUD with markdown body editing. */
final class GuidesAdmin extends AdminBase
{
    public function index(): string
    {
        return $this->render('guides_index', ['guides' => $this->guidesModel()->orderBy('published_at', 'DESC')->findAll()]);
    }

    public function create(): string
    {
        return $this->render('guides_form', ['guide' => null]);
    }

    public function store(): ResponseInterface
    {
        $post = $this->request->getPost();
        $body = (string) ($post['body_md'] ?? '');

        $this->guidesModel()->insert([
            'slug'            => $post['slug'],
            'title'           => $post['title'],
            'excerpt'         => $post['excerpt'] ?? '',
            'body_md'         => $body,
            'tool_slugs'      => json_encode(array_filter(array_map('trim', explode(',', (string) ($post['tool_slugs'] ?? ''))))),
            'seo_title'       => $post['seo_title'] ?? null,
            'seo_description' => $post['seo_description'] ?? null,
            'reading_minutes' => max(1, (int) ceil(str_word_count(strip_tags($body)) / 220)),
            'status'          => $post['status'] === 'published' ? 'published' : 'draft',
            'published_at'    => date('Y-m-d H:i:s'),
        ]);
        service('cache')->clear();

        return redirect()->to('/admin/guides');
    }

    public function edit(int $id): string
    {
        return $this->render('guides_form', ['guide' => $this->guidesModel()->find($id)]);
    }

    public function update(int $id): ResponseInterface
    {
        $post = $this->request->getPost();
        $body = (string) ($post['body_md'] ?? '');

        $this->guidesModel()->update($id, [
            'title'           => $post['title'],
            'excerpt'         => $post['excerpt'] ?? '',
            'body_md'         => $body,
            'tool_slugs'      => json_encode(array_filter(array_map('trim', explode(',', (string) ($post['tool_slugs'] ?? ''))))),
            'seo_title'       => $post['seo_title'] ?? null,
            'seo_description' => $post['seo_description'] ?? null,
            'reading_minutes' => max(1, (int) ceil(str_word_count(strip_tags($body)) / 220)),
            'status'          => $post['status'] === 'published' ? 'published' : 'draft',
        ]);
        service('cache')->clear();

        return redirect()->to('/admin/guides');
    }

    public function delete(int $id): ResponseInterface
    {
        $this->guidesModel()->delete($id);

        return redirect()->to('/admin/guides');
    }
}