<?php

namespace App\Http\Controllers\Admin;

use App\DataTables\CommentsDataTable;
use App\Http\Controllers\Controller;
use App\Models\Comment;
use App\Models\Product;
use App\Models\Score;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Validator;

class CommentController extends Controller
{
    public function __construct()
    {
        $this->middleware('permission:manage comments');
    }

    public function index(CommentsDataTable $dataTable)
    {
        $types = Comment::TYPE;

        return $dataTable->render('admin.comments.index', compact('types'));
    }

    public function show(Comment $comment)
    {
        abort_if($this->canNotAccessComment($comment), 403);

        $comment->load('commentable', 'parent');

        if (! $comment->checked) {
            $comment->update(['checked' => true]);
        }

        return view('admin.comments.show', compact('comment'));
    }

    public function update(Comment $comment, Request $request)
    {
        abort_if($this->canNotAccessComment($comment), 403);

        $request->validate(['status' => 'required|min:0|max:'.(count(Comment::STATUS_TRANSLATE) - 1)]);

        $comment->update(['status' => $request->status]);

        if ($comment->commentable_type == Product::class) {
            $product = $comment->commentable->load('approvedComments');

            $rate = $numberOfParticipants = 5;
            if (count($product->approvedComments)) {
                $q = Score::query()
                    ->where('scorable_type', Comment::class)
                    ->whereIn('scorable_id', $product->approvedComments->pluck('id')->toArray())
                    ->get();
                $rate = round($q->avg('score'), 1);
                $numberOfParticipants = $q->count();
            }
            $product->update([
                'score' => $rate,
                'number_of_participants' => $numberOfParticipants,
            ]);
        }

        saveActivity("نظر {$comment->name} ویرایش شد", $comment);

        $this->doneMessage("نظر {$comment->name} با موفقیت ویرایش شد.");

        return view('admin.comments.show', compact('comment'));
    }

    public function destroy(Comment $comment)
    {
        abort_if($this->canNotAccessComment($comment), 403);

        $comment->delete();

        if ($comment->commentable_type == Product::class) {
            $product = $comment->commentable->load('approvedComments');

            $rate = $numberOfParticipants = 5;
            if (count($product->approvedComments)) {
                $q = Score::query()
                    ->where('scorable_type', Comment::class)
                    ->whereIn('scorable_id', $product->approvedComments->pluck('id')->toArray())
                    ->get();
                $rate = round($q->avg('score'), 1);
                $numberOfParticipants = $q->count();
            }
            $product->update([
                'score' => $rate,
                'number_of_participants' => $numberOfParticipants,
            ]);
        }

        saveActivity("نظر {$comment->name} حذف شد", $comment);

        $this->doneMessage("نظر {$comment->name} با موفقیت حذف شد.");

        return redirect()->route('admin.comments.index');
    }

    public function reply(Comment $comment, Request $request)
    {
        abort_if($this->canNotAccessComment($comment), 403);

        $validator = Validator::make($request->all(), [
            'name' => 'sometimes|required|string|max:250',
            'reply' => 'required|string|max:60000',
        ]);

        if ($validator->fails()) {
            $this->doneMessage($validator->errors()->first(), 'error');

            return back()->withInput();
        }

        DB::transaction(function () use ($request, $comment) {
            if ($request->has('name')) {
                auth()->user()->update(['name' => $request->name]);
            }

            Comment::create([
                'user_id' => auth()->id(),
                'parent_id' => $comment->id,
                'commentable_id' => $comment->commentable_id,
                'commentable_type' => $comment->commentable_type,
                'name' => auth()->user()->name,
                'email' => auth()->user()->email,
                'comment' => $request->reply,
                'checked' => 1,
                'status' => 1,
            ]);
            saveActivity("به نظر  {$comment->name} پاسخ داده شد", $comment);
        });
        $this->doneMessage('پاسخ شما با موفقیت ثبت شد');

        return back();
    }

    private function canNotAccessComment(Comment $comment): bool
    {
        return auth()->user()->cannot('manage other users content') && $comment->commentable->user_id != auth()->id();
    }
}