# == Schema Information
#
# Table name: contestants
#
#  id             :integer          not null, primary key
#  display_time   :string
#  email          :string
#  name           :string
#  projected_time :string
#  qrcode         :string
#  time_seconds   :integer
#  created_at     :datetime         not null
#  updated_at     :datetime         not null
#  contest_id     :integer          not null
#
# Indexes
#
#  index_contestants_on_contest_id  (contest_id)
#
# Foreign Keys
#
#  contest_id  (contest_id => contests.id)
#
class Contestant < ApplicationRecord
  belongs_to :contest
  has_many :completions, dependent: :destroy
  has_one :offline, dependent: :destroy
  has_and_belongs_to_many :categories

  before_validation :initialize_time_seconds_if_empty
  before_commit :generate_qrcode, on: :create

  validates :name, presence: true
  validates :time_seconds, presence: true

  generates_token_for :token

  def form_name
    if email.present?
      "#{name} - #{email}"
    else
      name
    end
  end

  def public_generate_qrcode
    self.generate_qrcode
  end

  private

  def initialize_time_seconds_if_empty
    if !self.time_seconds
      self.time_seconds = 0
    end
  end

  def generate_qrcode
    host = Rails.application.config.action_controller.default_url_options[:host]
    qrcode = RQRCode::QRCode.new("https://#{host}/public/p/#{self.generate_token_for(:token)}")
    self.qrcode = qrcode.as_svg(
      color: "000",
      shape_rendering: "crispEdges",
      module_size: 3,
      standalone: true,
      use_path: true,
      viewbox: true
    )
  end
end