# frozen_string_literal: true

# == Schema Information
#
# Table name: messages
#
#  id              :integer          not null, primary key
#  body            :string           not null
#  created_at      :datetime         not null
#  updated_at      :datetime         not null
#  conversation_id :integer          not null
#  from_id         :integer          not null
#
# Indexes
#
#  index_messages_on_conversation_id_and_created_at  (conversation_id,created_at)
#  index_messages_on_from_id                         (from_id)
#
# Foreign Keys
#
#  fk_rails_...  (from_id => users.id) ON DELETE => restrict ON UPDATE => cascade
#
class Message < ApplicationRecord
  belongs_to :from, class_name: 'User', optional: true
  belongs_to :conversation, optional: true

  validates :body, presence: true, length: { maximum: 600_000 }
  validates :from, presence: true

  after_create do
    conversation.from_read       = false
    conversation.to_read         = false
    conversation.last_message_at = Time.zone.now
    conversation.save
  end

  def for_route
    self
  end

  # TODO: create a base class for comments/posts/messages
  alias user from

  def author(_reveal_anon=false)
    from.name
  end

  def user_visible?
    true
  end
end