<?php

namespace App\Http\Controllers;

use App\Models\Comment;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Validator;

class CommentController extends Controller
{
    /**
     * Retrieve all comments with their associated user.
     *
     * @param Request $request The HTTP request object.
     * @return \Illuminate\Http\JsonResponse A JSON response containing all comments.
     */
    public function get(Request $request)
    {
        $comments = Comment::with('user')->get();
        return response()->json($comments, 200);
    }

    /**
     * Create a new comment on a specific post.
     *
     * @param Request $request The HTTP request object.
     * @param int $postId The ID of the post to comment on.
     * @return \Illuminate\Http\JsonResponse A JSON response containing the created comment.
     */
    //OLD-------------------
    // public function post(Request $request, $postId)
    // {
    //     $data = $request->all();
    //     $comment = new Comment($data);
    //     $comment->post_id = $postId;
    //     $comment->user_id = auth()->id();
    //     $comment->save();
    //     return response()->json($comment, 201);
    // }
    //NEW--------------------
    public function post(Request $request)
    {

        $validator = Validator::make($request->all(), [
            'content' => 'required',
        ]);
        if ($validator->fails()) {
            return response()->json($validator->errors(), 400);
        }
        // return response()->json("$request->post_id", 401);
        $comment = Comment::create([
            'content' => $request->content,
            'user_id' => auth()->id(),
            'post_id' => $request->post_id
        ]);

        return response()->json($comment, 201);
    }

    /**
     * Retrieve all comments for a specific post.
     *
     * @param Request $request The HTTP request object.
     * @param int $postId The ID of the post to retrieve comments for.
     * @return \Illuminate\Http\JsonResponse A JSON response containing the comments for the specified post.
     */
    public function getPostComments(Request $request, $postId)
    {
        $comments = Comment::where('post_id', $postId)->with('user')->get();
        return response()->json($comments, 200);
    }

    /**
     * Retrieve a specific comment by its ID.
     *
     * @param Request $request The HTTP request object.
     * @param int $commentId The ID of the comment to retrieve.
     * @return \Illuminate\Http\JsonResponse A JSON response containing the specified comment.
     */
    public function getComment(Request $request, $commentId)
    {
        $comment = Comment::with('user')->find($commentId);
        error_log($comment);
        return response()->json($comment, 200);
    }

    /**
     * Update an existing comment.
     *
     * @param Request $request The HTTP request object.
     * @param int $commentId The ID of the comment to update.
     * @return \Illuminate\Http\JsonResponse A JSON response containing the updated comment or an error message.
     */
    //OLD--------------------------------
    // public function put(Request $request, $commentId)
    // {
    //     $comment = Comment::find($commentId);
    //     if ($comment && $comment->user_id === auth()->id()) {
    //         $data = $request->all();
    //         $comment->update($data);
    //         return response()->json($comment, 200);
    //     } else {
    //         return response()->json(['error' => 'You are not authorized to update this comment'], 401);
    //     }
    // }
    //NEW---------------------------
    public function put(Request $request)
    {

        // below section is REQUIRED
        $validator = Validator::make($request->all(), [
            'content' => 'required',
        ]);
        if ($validator->fails()) {
            return response()->json($validator->errors(), 400);
        }
        $data = [
            'content' => $request->content
        ];
        // above section is REQUIRED

        //only owner can update the
        $comment = Comment::where([
            'id' => $request->id,
            'user_id' => auth()->id(),
        ])->first();
        //return empty post
        if (!$comment) {
            return response()->json(['error' => 'You are not authorized to update this comment'], 401);
        }

        $comment->update($data);
        $comment->load('user');
        //send updated data of comment
        return response()->json($comment, 200);
    }
}