<?php

declare(strict_types=1);

namespace App\Http\Controllers\App;

use App\Events\PostCommentCreated;
use App\Http\Requests\App\PostComment\ReactPostCommentRequest;
use App\Http\Requests\App\PostComment\StorePostCommentRequest;
use App\Http\Requests\App\PostComment\UpdatePostCommentRequest;
use App\Models\Post;
use App\Models\PostComment;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Symfony\Component\HttpFoundation\Response;

class PostCommentController extends Controller
{
    public function index(Request $request, Post $post): JsonResponse
    {
        $workspace = $request->user()->currentWorkspace;

        if ($post->workspace_id !== $workspace->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $comments = $post->comments()
            ->whereNull('parent_id')
            ->with(['user', 'replies.user'])
            ->latest()
            ->paginate(config('app.pagination.default'));

        return response()->json($comments);
    }

    public function store(StorePostCommentRequest $request, Post $post): JsonResponse
    {
        $workspace = $request->user()->currentWorkspace;

        if ($post->workspace_id !== $workspace->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $validated = $request->validated();

        if (data_get($validated, 'parent_id')) {
            $parent = PostComment::where('id', data_get($validated, 'parent_id'))
                ->where('post_id', $post->id)
                ->first();

            if (! $parent) {
                abort(Response::HTTP_NOT_FOUND);
            }

            if ($parent->parent_id !== null) {
                abort(Response::HTTP_UNPROCESSABLE_ENTITY, 'Cannot reply to a reply.');
            }
        }

        $comment = $post->comments()->create([
            'user_id' => $request->user()->id,
            'parent_id' => data_get($validated, 'parent_id'),
            'body' => data_get($validated, 'body'),
        ]);

        $comment->load('user');

        PostCommentCreated::dispatch($comment);

        return response()->json($comment, Response::HTTP_CREATED);
    }

    public function update(UpdatePostCommentRequest $request, Post $post, PostComment $comment): JsonResponse
    {
        if ($comment->post_id !== $post->id) {
            abort(Response::HTTP_NOT_FOUND);
        }

        if ($comment->user_id !== $request->user()->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $workspace = $request->user()->currentWorkspace;
        if ($comment->post->workspace_id !== $workspace->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $validated = $request->validated();

        $comment->update(['body' => data_get($validated, 'body')]);

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

    public function destroy(Request $request, Post $post, PostComment $comment): JsonResponse
    {
        if ($comment->post_id !== $post->id) {
            abort(Response::HTTP_NOT_FOUND);
        }

        if ($comment->user_id !== $request->user()->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $workspace = $request->user()->currentWorkspace;
        if ($comment->post->workspace_id !== $workspace->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $comment->delete();

        return response()->json(null, Response::HTTP_NO_CONTENT);
    }

    public function react(ReactPostCommentRequest $request, Post $post, PostComment $comment): JsonResponse
    {
        if ($comment->post_id !== $post->id) {
            abort(Response::HTTP_NOT_FOUND);
        }

        $workspace = $request->user()->currentWorkspace;

        if ($post->workspace_id !== $workspace->id) {
            abort(Response::HTTP_FORBIDDEN);
        }

        $validated = $request->validated();

        $comment->addReaction($request->user()->id, data_get($validated, 'emoji'));

        return response()->json($comment->fresh());
    }
}