class UsersController < ApplicationController
  include CompletionsConcern

  before_action :set_user, only: %i[ destroy edit show update ]

  def index
    authorize :user

    @title = t("users.index.title")
    @users = User.all
  end

  def edit
    authorize @user

    @title = t("users.edit.title")
  end

  def update
    authorize @user

    if @user.update(user_params)
      redirect_to contests_path, notice: t("users.edit.notice")
    else
      render :edit, status: :unprocessable_entity
    end
  end

  def show
    authorize @user

    redirect_to edit_user_path(@user)
  end

  def new
    authorize :user

    @user = User.new()
  end

  def create
    authorize :user

    @user = User.new(user_params)
    if @user.save
      redirect_to users_path, notice: t("users.new.notice")
    else
      render :new, status: :unprocessable_entity
    end
  end

  def destroy
    authorize @user
  end

  def update_contestants
    authorize :user

    total = 0
    updated = 0
    Contestant.all.each do |contestant|
      if contestant.completions.length > 0
        total += 1
        contestant.completions.each do |completion|
          completion.save
        end
        if extend_completions!(contestant)
          updated += 1
        end
      end
    end

    redirect_to users_path, notice: "Updated contestants: #{updated}/#{total}"
  end

  def regenerate_qrcodes
    authorize :user

    Contestant.all.each do |contestant|
      contestant.generate_qrcode
      contestant.save
    end
  end

  private

  def set_user
    @user = User.find(params[:id])
  end

  def user_params
    params.expect(user: [ :username, :email_address, :lang, :password ])
  end
end