# == Schema Information
#
# Table name: runners
#
#  id           :integer          not null, primary key
#  token        :string(255)
#  created_at   :datetime
#  updated_at   :datetime
#  description  :string(255)
#  contacted_at :datetime
#  active       :boolean          default(TRUE), not null
#  is_shared    :boolean          default(FALSE)
#  name         :string(255)
#  version      :string(255)
#  revision     :string(255)
#  platform     :string(255)
#  architecture :string(255)
#

class Runner < ActiveRecord::Base
  has_many :builds
  has_many :runner_projects, dependent: :destroy
  has_many :projects, through: :runner_projects

  has_one :last_build, ->() { order('id DESC') }, class_name: 'Build'

  before_validation :set_default_values

  scope :specific, ->() { where(is_shared: false) }
  scope :shared, ->() { where(is_shared: true) }
  scope :active, ->() { where(active: true) }
  scope :paused, ->() { where(active: false) }

  acts_as_taggable

  def self.search(query)
    where('LOWER(runners.token) LIKE :query OR LOWER(runners.description) like :query',
          query: "%#{query.try(:downcase)}%")
  end

  def set_default_values
    self.token = SecureRandom.hex(15) if self.token.blank?
  end

  def assign_to(project, current_user = nil)
    self.is_shared = false if shared?
    self.save
    project.runner_projects.create!(runner_id: self.id)
  end

  def display_name
    return token unless !description.blank?

    description
  end

  def shared?
    is_shared
  end

  def belongs_to_one_project?
    runner_projects.count == 1
  end

  def specific?
    !shared?
  end

  def only_for?(project)
    projects == [project]
  end

  def short_sha
    token[0...10]
  end
end
