<?php

namespace App\Http\Controllers;

use App\Models\Post;
use App\Http\Resources\PostResource;
use Illuminate\Http\Request;
use Inertia\Inertia;

class NewsController extends Controller
{
    public function index(Request $request)
    {
        // 取得查詢參數
        $search = $request->input('search', '');
        $type = $request->input('type', 'all'); // all, news, event
        $perPage = $request->input('per_page', 12);

        // 建立查詢
        $query = Post::query()
            ->published()
            ->with('categories')
            ->ordered();

        // 根據類型篩選
        if ($type !== 'all') {
            $query->ofType($type);
        }

        // 搜尋功能
        if (!empty($search)) {
            $query->where(function ($q) use ($search) {
                $q->where('title', 'like', "%{$search}%")
                  ->orWhere('content', 'like', "%{$search}%")
                  ->orWhere('excerpt', 'like', "%{$search}%");
            });
        }

        // 分頁
        $posts = $query->paginate($perPage);

        return Inertia::render('news', [
            'posts' => PostResource::collection($posts->items())->resolve(),
            'pagination' => [
                'total' => $posts->total(),
                'per_page' => $posts->perPage(),
                'current_page' => $posts->currentPage(),
                'last_page' => $posts->lastPage(),
                'from' => $posts->firstItem(),
                'to' => $posts->lastItem(),
            ],
            'filters' => [
                'search' => $search,
                'type' => $type,
            ],
        ]);
    }

    /**
     * Display the specified post (news or event detail).
     *
     * @param Post $post
     * @return \Inertia\Response
     */
    public function show(Post $post)
    {
        // Load categories relationship
        $post->load('categories');

        // 根據 post_type 決定要渲染的頁面
        $viewName = $post->isEvent() ? 'event-detail' : 'news-detail';

        return Inertia::render($viewName, [
            'post' => PostResource::make($post)->resolve(),
        ]);
    }
}