<?php

namespace App\Http\Controllers\admin;

use App\Http\Controllers\Controller;
use App\Http\Requests\PostRequest;
use App\Models\Post;
use App\Repositories\Post\PostRepositoryInterface;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class PostController extends Controller
{
    public function __construct(
        public PostRepositoryInterface $postRepository
    ) {}

    public function index(Request $request)
    {
        $title = 'Posts';
        $posts = $this->postRepository->filter($request->merge(['page' => $request->get('page') ?? 1])->all());

        return view('administrator.pages.post.index', compact('title', 'posts'));
    }
    public function create()
    {
        $title = 'Add new Post';

        return view('administrator.pages.post.add', compact('title'));
    }

    public function store(PostRequest $request)
    {
        $request->validated();

        $isExits = $this->postRepository->findBy('slug', $request->get('slug'));

        if ($isExits) {
            return back()->withErrors('The Slug already exits');
        }

        DB::beginTransaction();
        try {
            $this->postRepository->create($request->all());
            DB::commit();
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }
        return redirect()->route('post.index')->with('success', 'Added successfully');
    }


    public function edit(int $id = 0)
    {
        $post = $this->postRepository->find($id);
        if (!$post) {
            return back()->withErrors('Invalid request');
        }
        $title = 'Edit Post';

        return view('administrator.pages.post.edit', compact('title', 'post'));
    }

    public function update(int $id = 0,PostRequest $request)
    {
        $post = $this->postRepository->find($id);
        if (!$post) {
            return back()->withErrors('Invalid request');
        }

        $request->validated();

        if($request->slug !== $post->slug)
        {
            $isExits = $this->postRepository->findBy('slug', $request->get('slug'));
    
            if ($isExits) {
                return back()->withErrors('The Slug already exits');
            }
        }
        DB::beginTransaction();
        try {
            $this->postRepository->update($id,$request->all());
            DB::commit();
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }
        return redirect()->route('post.index')->with('success', 'Updated successfully');
    }

    public function destroy(int $id = 0)
    {
        $post = $this->postRepository->find($id);

        if (!$post) {
            return back()->withErrors('Invalid request');
        }
        DB::beginTransaction();
        try {
            $this->postRepository->delete($id);
            DB::commit();
        } catch (\Exception $error) {
            DB::rollBack();
            return back()->withErrors($error->getMessage());
        }

        return redirect()->route('post.index')->with('success', 'Deleted successfully');
    }
}