<?php

namespace Api\Post;

use Exception;
use Khofmann\Api\Api;
use Khofmann\ApiError\ApiError;
use Khofmann\Input\Input;
use Khofmann\Models\Post\Post as MPost;
use Khofmann\Models\User\User;
use Khofmann\Request\Request;
use Khofmann\Response\Response;

class Post extends Api
{
  public function patch($id): void
  {
    // Fetch all inputs.
    $content = Input::patch("content");

    // Fetch authed user.
    $self = User::getByToken(Request::token());

    try {
      // Try fetch the post in question, 404 if not found.
      $post = MPost::getByID($id);

      // Throw 400 if we aren't admin but trying to edit another users post.
      if (!$self->getIsAdmin() && $post->getUser()->getID() !== $self->getID()) throw ApiError::unauthorized("Not allowed");

      // Try update.
      Response::json($post->update($content));
    } catch (Exception $err) {
      switch ($err->getMessage()) {
        case "NotFound":
          throw ApiError::notFound("post");
        default:
          // Due to how the failed field is handled, it's ApiError is inside the models update
          throw $err;
      }
    }
  }

  public function delete($id): void
  {
    // Try delete, 404 if post was not found.
    try {
      Response::json(MPost::getByID($id)->delete());
    } catch (Exception $err) {
      switch ($err->getMessage()) {
        case "NotFound":
          throw ApiError::notFound("post");
        default:
          throw $err;
      }
    }
  }
}