app/controllers/photos_controller.rb
# frozen_string_literal: true

#   Copyright (c) 2010-2011, Diaspora Inc.  This file is
#   licensed under the Affero General Public License version 3 or later.  See
#   the COPYRIGHT file.

class PhotosController < ApplicationController
  before_action :authenticate_user!, except: %i[show index]
  respond_to :html, :json

  def show
    @photo = if user_signed_in?
               current_user.photos_from(Person.find_by(guid: params[:person_id])).where(id: params[:id]).first
             else
               Photo.where(id: params[:id], public: true).first
             end

    raise ActiveRecord::RecordNotFound unless @photo

    respond_to do |format|
      format.html {
        post = @photo.status_message
        redirect_to post ? post_path(post) : @photo.url
      }
      format.mobile { render "photos/show" }
    end
  end

  def index
    @post_type = :photos
    @person = Person.find_by(guid: params[:person_id])
    authenticate_user! if @person.try(:remote?) && !user_signed_in?
    @presenter = PersonPresenter.new(@person, current_user)

    if @person
      @contact = current_user.contact_for(@person) if user_signed_in?
      @posts = Photo.visible(current_user, @person, :all, max_time)
      respond_to do |format|
        format.all do
          gon.preloads[:person] = @presenter.as_json
          gon.preloads[:photos_count] = Photo.visible(current_user, @person).count(:all)
          render "people/show", layout: "with_header"
        end
        format.mobile { render "people/show" }
        format.json { render_for_api :backbone, json: @posts, root: :photos }
      end
    else
      flash[:error] = I18n.t "people.show.does_not_exist"
      redirect_to people_path
    end
  end

  def create
    rescuing_photo_errors do
      legacy_create
    end
  end

  def make_profile_photo
    author_id = current_user.person_id
    @photo = Photo.where(id: params[:photo_id], author_id: author_id).first

    if @photo
      profile_hash = {image_url:        @photo.url(:thumb_large),
                      image_url_medium: @photo.url(:thumb_medium),
                      image_url_small:  @photo.url(:thumb_small)}

      if current_user.update_profile(profile_hash)
        respond_to do |format|
          format.js {
            render json:   {photo_id:         @photo.id,
                            image_url:        @photo.url(:thumb_large),
                            image_url_medium: @photo.url(:thumb_medium),
                            image_url_small:  @photo.url(:thumb_small),
                            author_id:        author_id},
                   status: 201
          }
        end
      else
        head :unprocessable_entity
      end
    else
      head :unprocessable_entity
    end
  end

  def destroy
    photo = current_user.photos.where(id: params[:id]).first

    if photo
      current_user.retract(photo)

      respond_to do |format|
        format.json { head :no_content }
        format.html do
          flash[:notice] = I18n.t "photos.destroy.notice"
          if StatusMessage.find_by(guid: photo.status_message_guid)
            respond_with photo, location: post_path(photo.status_message)
          else
            respond_with photo, location: person_photos_path(current_user.person)
          end
        end
      end
    else
      respond_with photo, location: person_photos_path(current_user.person)
    end
  end

  private

  def photo_params
    params.require(:photo).permit(:public, :text, :pending, :user_file, :image_url, :aspect_ids, :set_profile_photo)
  end

  def file_handler(params)
    # For XHR file uploads, request.params[:qqfile] will be the path to the temporary file
    # For regular form uploads (such as those made by Opera), request.params[:qqfile] will be an
    # UploadedFile which can be returned unaltered.
    if !request.params[:qqfile].is_a?(String)
      qqfile = params[:qqfile]
      # Cropped or manipulated files have their real filename only in qqfilename. Take care of this.
      qqfile.original_filename = params[:qqfilename] if qqfile.original_filename == "blob"
      qqfile
    else
      ######################## dealing with local files #############
      # get file name
      file_name = params[:qqfile]
      # get file content type
      att_content_type = request.content_type.to_s == "" ? "application/octet-stream" : request.content_type.to_s
      # create temporal file
      file = Tempfile.new(file_name, encoding: "BINARY")
      # put data into this file from raw post request
      file.print request.raw_post.force_encoding("BINARY")

      # create several required methods for this temporal file
      Tempfile.send(:define_method, "content_type") { return att_content_type }
      Tempfile.send(:define_method, "original_filename") { return file_name }
      file
    end
  end

  def legacy_create
    base_params = photo_params
    uploaded_file = file_handler(params)

    @photo = photo_service.create_from_params_and_file(base_params, uploaded_file)
    if @photo
      respond_to do |format|
        format.json { render(layout: false, json: {"success" => true, "data" => @photo}.to_json) }
        format.html { render(layout: false, json: {"success" => true, "data" => @photo}.to_json) }
      end
    else
      respond_with @photo, location: photos_path, error: message
    end
  end

  def rescuing_photo_errors
    yield
  rescue TypeError
    return_photo_error I18n.t "photos.create.type_error"
  rescue CarrierWave::IntegrityError
    return_photo_error I18n.t "photos.create.integrity_error"
  rescue RuntimeError
    return_photo_error I18n.t "photos.create.runtime_error"
  end

  def return_photo_error(message)
    respond_to do |format|
      format.json { render(layout: false, json: {"success" => false, "error" => message}.to_json) }
      format.html { render(layout: false, json: {"success" => false, "error" => message}.to_json) }
    end
  end

  def photo_service
    @photo_service ||= PhotoService.new(current_user, false)
  end
end
