class Message < ApplicationRecord
  validates_presence_of :name, :subject, :recipients, :template
  validates_presence_of :body, if: :using_default_template?

  strip_attributes

  POSSIBLE_TEMPLATES = ["default"].freeze

  POSSIBLE_RECIPIENTS = {
    "all"                              => "Everyone",
    "incomplete"                       => "Incomplete Applications",
    "complete"                         => "Complete Applications",
    "accepted"                         => "Accepted Applications",
    "denied"                           => "Denied Applications",
    "waitlisted"                       => "Waitlisted Applications",
    "late-waitlisted"                  => "Late, Waitlisted Applications",
    "rsvp-confirmed"                   => "RSVP Confirmed Attendees",
    "rsvp-denied"                      => "RSVP Denied Attendees",
    "checked-in"                       => "Checked-In Attendees",
    "non-checked-in"                   => "Non-Checked-In, Accepted & RSVP'd Applications",
    "non-checked-in-excluding"         => "Non-Checked-In Applications, Excluding Accepted & RSVP'd",
    "bus-list-cornell-bing"            => "Bus List: Cornell + Binghamton (Confirmed)",
    "bus-list-buffalo"                 => "Bus List: Buffalo (Confirmed)",
    "bus-list-albany"                  => "Bus List: Albany (Confirmed)",
    "bus-list-cornell-bing-eligible"   => "Bus List: Cornell + Binghamton (eligible, not signed up)",
    "bus-list-buffalo-eligible"        => "Bus List: Buffalo (eligible, not signed up)",
    "bus-list-albany-eligible"         => "Bus List: Albany (eligible, not signed up)",
    "bus-list-cornell-bing-applied"    => "Bus List: Cornell + Binghamton (applied/not accepted)",
    "bus-list-buffalo-applied"         => "Bus List: Buffalo (applied/not accepted)",
    "bus-list-albany-applied"          => "Bus List: Albany (applied/not accepted)",
    "school-rit"                       => "Confirmed or accepted: RIT",
    "school-cornell"                   => "Confirmed or accepted: Cornell",
    "school-binghamton"                => "Confirmed or accepted: Binghamton",
    "school-buffalo"                   => "Confirmed or accepted: Buffalo",
    "school-waterloo"                  => "Confirmed or accepted: Waterloo",
    "school-toronto"                   => "Confirmed or accepted: Toronto",
    "school-umd-collegepark"           => "Confirmed or accepted: UMD College Park"
  }.freeze
  serialize :recipients, Array

  validates_inclusion_of :template, in: POSSIBLE_TEMPLATES

  def recipients=(values)
    values.present? ? super(values.reject(&:blank?)) : super(values)
  end

  def recipients_list
    recipients.map { |r| POSSIBLE_RECIPIENTS[r] }.join(', ')
  end

  def delivered?
    delivered_at.present?
  end

  def started?
    started_at.present?
  end

  def queued?
    queued_at.present?
  end

  def status
    return "delivered" if delivered?
    return "started" if started?
    return "queued" if queued?
    "drafted"
  end

  def can_edit?
    status == "drafted"
  end

  def using_default_template?
    template == "default"
  end
end