<?php

namespace App\Http\Controllers\Api\V1\Admin;

use App\Http\Controllers\Controller;
use App\Models\Agreement;
use App\Models\Article;
use App\Models\Banner;
use App\Models\Navigation;
use App\Support\HtmlSanitizer;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

class ContentController extends Controller
{
    public function articles()
    {
        return $this->ok(Article::query()->latest('id')->limit(100)->get());
    }

    public function storeArticle(Request $request)
    {
        $article = Article::query()->create($this->articleData($request));
        $this->audit($request->user(), 'article.create', $article, '新建文章 '.$article->title);

        return $this->ok($article);
    }

    public function updateArticle(Request $request, Article $article)
    {
        $data = $this->articleData($request, $article->id);
        if ($data['status'] === 'published' && ! $article->published_at) {
            $data['published_at'] = now();
        }
        $article->update($data);
        $this->audit($request->user(), 'article.update', $article, '更新文章 '.$article->title);

        return $this->ok($article);
    }

    public function destroyArticle(Request $request, Article $article)
    {
        $article->delete();
        $this->audit($request->user(), 'article.delete', $article, '删除文章 '.$article->title);

        return $this->ok(null, '已删除');
    }

    public function banners()
    {
        return $this->ok(Banner::query()->orderByDesc('sort')->get());
    }

    public function storeBanner(Request $request)
    {
        $banner = Banner::query()->create($this->bannerData($request));
        $this->audit($request->user(), 'banner.create', $banner, '新建轮播 '.$banner->title);

        return $this->ok($banner);
    }

    public function updateBanner(Request $request, Banner $banner)
    {
        $banner->update($this->bannerData($request));
        $this->audit($request->user(), 'banner.update', $banner, '更新轮播 '.$banner->title);

        return $this->ok($banner);
    }

    public function destroyBanner(Request $request, Banner $banner)
    {
        $banner->delete();
        $this->audit($request->user(), 'banner.delete', $banner, '删除轮播 '.$banner->title);

        return $this->ok(null, '已删除');
    }

    public function navigations()
    {
        return $this->ok(Navigation::query()->orderBy('group_name')->orderByDesc('sort')->get());
    }

    public function storeNavigation(Request $request)
    {
        $item = Navigation::query()->create($this->navData($request));
        $this->audit($request->user(), 'nav.create', $item, '新建导航 '.$item->title);

        return $this->ok($item);
    }

    public function updateNavigation(Request $request, Navigation $navigation)
    {
        $navigation->update($this->navData($request));
        $this->audit($request->user(), 'nav.update', $navigation, '更新导航 '.$navigation->title);

        return $this->ok($navigation);
    }

    public function destroyNavigation(Request $request, Navigation $navigation)
    {
        $navigation->delete();
        $this->audit($request->user(), 'nav.delete', $navigation, '删除导航 '.$navigation->title);

        return $this->ok(null, '已删除');
    }

    public function agreements()
    {
        return $this->ok(Agreement::query()->orderBy('type')->get());
    }

    public function updateAgreement(Request $request, Agreement $agreement)
    {
        $data = $request->validate([
            'title' => ['required', 'string', 'max:120'],
            'body' => ['required', 'string'],
        ]);
        $data['body'] = HtmlSanitizer::clean($data['body']);
        $agreement->update($data);
        $this->audit($request->user(), 'agreement.update', $agreement, '更新协议 '.$agreement->title);

        return $this->ok($agreement);
    }

    private function articleData(Request $request, ?int $id = null): array
    {
        $data = $request->validate([
            'type' => ['required', 'in:help,announcement,page'],
            'title' => ['required', 'string', 'max:160'],
            'slug' => ['required', 'regex:/^[a-z0-9]+(?:-[a-z0-9]+)*$/', Rule::unique('articles', 'slug')->ignore($id)],
            'summary' => ['nullable', 'string', 'max:255'],
            'body' => ['required', 'string'],
            'status' => ['required', 'in:draft,published'],
        ]);
        $data['body'] = HtmlSanitizer::clean($data['body']);
        if ($data['status'] === 'published') {
            $data['published_at'] = now();
        }

        return $data;
    }

    private function bannerData(Request $request): array
    {
        return $request->validate([
            'title' => ['required', 'string', 'max:120'],
            'image' => ['nullable', 'string', 'max:500'],
            'link' => ['nullable', 'string', 'max:500'],
            'sort' => ['nullable', 'integer'],
            'starts_at' => ['nullable', 'date'],
            'ends_at' => ['nullable', 'date'],
            'status' => ['required', 'in:published,hidden'],
        ]);
    }

    private function navData(Request $request): array
    {
        return $request->validate([
            'group_name' => ['required', 'in:header,footer'],
            'title' => ['required', 'string', 'max:80'],
            'link' => ['required', 'string', 'max:500'],
            'sort' => ['nullable', 'integer'],
            'status' => ['required', 'in:published,hidden'],
        ]);
    }
}