<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Models\CmsPage;
use App\Services\IndexNowService;
use Illuminate\Http\Request;
use Illuminate\Support\Str;
use Illuminate\Validation\Rule;

final class CmsPageController extends Controller
{
    public function index() { return view('admin.cms.index', ['pages' => CmsPage::latest()->paginate(25)]); }
    public function create() { return view('admin.cms.form', ['page' => new CmsPage()]); }
    public function store(Request $request, IndexNowService $indexNow) { $page = CmsPage::create($this->validated($request)); $this->submitIfIndexable($page, $indexNow); return redirect()->route('admin.cms.edit', $page)->with('status', 'Page created.'); }
    public function edit(CmsPage $page) { return view('admin.cms.form', compact('page')); }
    public function update(Request $request, CmsPage $page, IndexNowService $indexNow) { $page->update($this->validated($request, $page)); $this->submitIfIndexable($page, $indexNow); return back()->with('status', 'Page updated.'); }
    public function destroy(CmsPage $page) { $page->delete(); return redirect()->route('admin.cms.index')->with('status', 'Page deleted.'); }

    private function submitIfIndexable(CmsPage $page, IndexNowService $indexNow): void
    {
        if (! $page->is_published || ! $page->robots_index || ($page->published_at && $page->published_at->isFuture())) {
            return;
        }

        try {
            $indexNow->submit([route('cms.show', ['slug' => $page->slug])]);
        } catch (\Throwable $e) {
            report($e);
        }
    }

    private function validated(Request $request, ?CmsPage $page = null): array
    {
        $request->merge(['slug' => Str::slug($request->input('slug') ?: $request->input('title', ''))]);
        $data = $request->validate([
            'title' => ['required','string','max:160'],
            'slug' => ['required','string','max:180', Rule::unique('cms_pages','slug')->ignore($page?->id)],
            'excerpt' => ['nullable','string','max:1000'],
            'body' => ['required','string'],
            'meta_title' => ['nullable','string','max:160'],
            'meta_description' => ['nullable','string','max:320'],
            'meta_keywords' => ['nullable','string','max:500'],
            'canonical_url' => ['nullable','url:http,https','max:2048'],
            'og_title' => ['nullable','string','max:160'],
            'og_description' => ['nullable','string','max:320'],
            'og_image' => ['nullable','url:http,https','max:2048'],
            'sitemap_priority' => ['required','numeric','min:0','max:1'],
            'sitemap_change_frequency' => ['required', Rule::in(['always','hourly','daily','weekly','monthly','yearly','never'])],
        ]);
        $data['robots_index'] = $request->boolean('robots_index');
        $data['robots_follow'] = $request->boolean('robots_follow');
        $data['include_in_sitemap'] = $request->boolean('include_in_sitemap');
        $data['is_published'] = $request->boolean('is_published');
        $data['published_at'] = $data['is_published'] ? ($page?->published_at ?? now()) : null;
        return $data;
    }
}