class Dhatu::Service < Dhatu::ApplicationRecord

  # Set Table Name
  self.table_name = "services"

  # Including the State Machine Methods
  include Publishable

  # Constants
  COVER_IMAGE_INSTRUCTIONS = [
    "the file extension should be .jpg / .jpeg or .png format",
    "the image should be in resolution 750 pixels by 368 pixels, (Portrait Format). (most cameras and camera phones will produce images bigger than this)",
    "the file size should not be less than 20 Kb, or bigger than <strong>1 MB</strong>"
  ]
  
  # Constants
  GALLERY_IMAGE_INSTRUCTIONS = [
    "the file extension should be .jpg / .jpeg or .png format",
    "the image should be in resolution 750 pixels by 368 pixels, (Portrait Format). (most cameras and camera phones will produce images bigger than this)",
    "the file size should not be less than 20 Kb, or bigger than <strong>1 MB</strong>"
  ]
  
  # Validations
  validate_string :name, mandatory: true, min_length: 2, format: /.*/i
  validate_string :one_liner, mandatory: false, format: /.*/i
  validate_string :permalink, mandatory: true, format: /.*/i, min_length: 4, max_length: 128
  
  validates :category, presence: true
  
  # Associations
  belongs_to :category
  has_one :cover_image, :as => :imageable, :dependent => :destroy, :class_name => "Image::CoverImage"
  has_many :gallery_images, :as => :imageable, :dependent => :destroy, :class_name => "Image::GalleryImage"

  # ------------------
  # Class Methods
  # ------------------

  scope :search, lambda {|query| where("LOWER(name) LIKE LOWER('%#{query}%') OR\
                                        LOWER(one_liner) LIKE LOWER('%#{query}%') OR\
                                        LOWER(permalink) LIKE LOWER('%#{query}%') OR\
                                        LOWER(description) LIKE LOWER('%#{query}%')")
  }
  
  scope :filter_by_category, lambda { |c| where("category_id = ?", (c.is_a? Dhatu::Category ? c.id : c)) }

  scope :upcoming, lambda { where("created_at >= ?", Time.now) }
  scope :past, lambda { where("created_at < ?", Time.now) }

  # ------------------
  # Instance variables
  # ------------------

  # Generic Methods
  # ---------------
  def to_param
    "#{id}-#{name.parameterize[0..32]}"
  end

  def display_name
    "#{name_was}"
  end

  # Permission Methods
  # ------------------

  def can_be_edited?
    status?(:published) or status?(:unpublished)
  end

  def can_be_deleted?
    status?(:removed)
  end

end