<?php



namespace App\Http\Controllers;



use App\Http\Controllers\Controller;

use Illuminate\Http\Request;

use App\Models\BlogCategory;

use App\Models\Blog;



class BlogController extends Controller

{

    public function __construct() {

        // Staff Permission Check

        $this->middleware(['permission:view_blogs'])->only('index');

        $this->middleware(['permission:add_blog'])->only('create');

        $this->middleware(['permission:edit_blog'])->only('edit');

        $this->middleware(['permission:delete_blog'])->only('destroy');

        $this->middleware(['permission:publish_blog'])->only('change_status');

    }

    

    /**

     * Display a listing of the resource.

     *

     * @return \Illuminate\Http\Response

     */

    public function index(Request $request)

    {

        $sort_search = null;

        $blogs = Blog::orderBy('created_at', 'desc');

        

        if ($request->search != null){

            $blogs = $blogs->where('title', 'like', '%'.$request->search.'%');

            $sort_search = $request->search;

        }



        $blogs = $blogs->paginate(15);



        return view('backend.blog_system.blog.index', compact('blogs','sort_search'));

    }



    /**

     * Show the form for creating a new resource.

     *

     * @return \Illuminate\Http\Response

     */

    public function create()

    {

        $blog_categories = BlogCategory::all();

        return view('backend.blog_system.blog.create', compact('blog_categories'));

    }



    /**

     * Store a newly created resource in storage.

     *

     * @param  \Illuminate\Http\Request  $request

     * @return \Illuminate\Http\Response

     */

    public function store(Request $request)

    {

        

        $request->validate([

            'category_id' => 'required',

            'title' => 'required|max:255',

        ]);



        $blog = new Blog;

        

        $blog->category_id = $request->category_id;

        $blog->title = $request->title;

        $blog->banner = $request->banner;

        $blog->slug = preg_replace('/[^A-Za-z0-9\-]/', '', str_replace(' ', '-', $request->slug));

        $blog->short_description = $request->short_description;

        $blog->description = $request->description;

        

        $blog->meta_title = $request->meta_title;

        $blog->meta_img = $request->meta_img;

        $blog->meta_description = $request->meta_description;

        $blog->meta_keywords = $request->meta_keywords;

        

        $blog->save();



        flash(translate('Blog post has been created successfully'))->success();

        return redirect()->route('blog.index');

    }



    /**

     * Display the specified resource.

     *

     * @param  int  $id

     * @return \Illuminate\Http\Response

     */

    public function show($id)

    {

        

    }



    /**

     * Show the form for editing the specified resource.

     *

     * @param  int  $id

     * @return \Illuminate\Http\Response

     */

    public function edit($id)

    {

        $blog = Blog::find($id);

        $blog_categories = BlogCategory::all();

        

        return view('backend.blog_system.blog.edit', compact('blog','blog_categories'));

    }



    /**

     * Update the specified resource in storage.

     *

     * @param  \Illuminate\Http\Request  $request

     * @param  int  $id

     * @return \Illuminate\Http\Response

     */

    public function update(Request $request, $id)

    {        

        $request->validate([

            'category_id' => 'required',

            'title' => 'required|max:255',

        ]);



        $blog = Blog::find($id);



        $blog->category_id = $request->category_id;

        $blog->title = $request->title;

        $blog->banner = $request->banner;

        $blog->slug = preg_replace('/[^A-Za-z0-9\-]/', '', str_replace(' ', '-', $request->slug));

        $blog->short_description = $request->short_description;

        $blog->description = $request->description;

        

        $blog->meta_title = $request->meta_title;

        $blog->meta_img = $request->meta_img;

        $blog->meta_description = $request->meta_description;

        $blog->meta_keywords = $request->meta_keywords;

        

        $blog->save();



        flash(translate('Blog post has been updated successfully'))->success();

        return redirect()->route('blog.index');

    }

    

    public function change_status(Request $request) {

        $blog = Blog::find($request->id);

        $blog->status = $request->status;

        

        $blog->save();

        return 1;

    }



    /**

     * Remove the specified resource from storage.

     *

     * @param  int  $id

     * @return \Illuminate\Http\Response

     */

    public function destroy($id)

    {

        Blog::find($id)->delete();

        

        return redirect('admin/blogs');

    }





    public function all_blog(Request $request) {

        $selected_categories = array();

        $search = null;

        $blogs = Blog::query();



        if ($request->has('search')) {

            $search = $request->search;;

            $blogs->where(function ($q) use ($search) {

                foreach (explode(' ', trim($search)) as $word) {

                    $q->where('title', 'like', '%' . $word . '%')

                        ->orWhere('short_description', 'like', '%' . $word . '%');

                }

            });



            $case1 = $search . '%';

            $case2 = '%' . $search . '%';



            $blogs->orderByRaw("CASE 

                WHEN title LIKE '$case1' THEN 1 

                WHEN title LIKE '$case2' THEN 2 

                ELSE 3 

                END");

        }

        

        if ($request->has('selected_categories')) {

            $selected_categories = $request->selected_categories;

            $blog_categories = BlogCategory::whereIn('slug', $selected_categories)->pluck('id')->toArray();



            $blogs->whereIn('category_id', $blog_categories);

        }

        

        $blogs = $blogs->where('status', 1)->orderBy('created_at', 'desc')->paginate(12);



        $recent_blogs = Blog::where('status', 1)->orderBy('created_at', 'desc')->limit(9)->get();



        return view("frontend.blog.listing", compact('blogs', 'selected_categories', 'search', 'recent_blogs'));

    }

    

    public function blog_details($slug) {

        $blog = Blog::where('slug', $slug)->first();

        $recent_blogs = Blog::where('status', 1)->orderBy('created_at', 'desc')->limit(9)->get();

        return view("frontend.blog.details", compact('blog', 'recent_blogs'));

    }

}