class Event < ActiveRecord::Base
  belongs_to :region, foreign_key: 'region'
  has_many :notes
  has_one :related_city, foreign_key: :name, primary_key: :city, class_name: City

  validates_presence_of :title, :description, :city, :region, :url, :contact, :submitter
  validates_format_of :url, with: /https?:\/\//
  validates :contact, email: true
  validates :submitter, email: true

  default_scope { where moderated: 1 }

  scope :past, -> { where('end_time < now()').order(start_time: :desc) }
  scope :future, -> { where('end_time >= now()').order(start_time: :asc) }
  scope :future_30, -> {
    where('start_time >= now() and end_time <= ?', Date.today + 30)
    .order(:start_time)
  }
  scope :year, -> year {
    where "end_time >= ? and start_time < ?",
    "#{year}-1-1", "#{year.to_i+1}-1-1"
  }
  scope :month, -> year, month {
    where 'end_time >= ? and start_time <= ?',
    "#{year}-#{month.to_i-1}-23",
    "#{month == '12' ? year.to_i+1 : year}-#{month == '12' ? 1 : month.to_i+1}-7"
  }
  scope :region, -> region { where region: region }
  scope :tag, -> tag { where "tags like ?", "%#{tag}%" }

  before_validation(on: :create) do
    self.submission_time = Date.today
    self.decision_time = Date.today
  end

  before_create do
    self.secret = SecureRandom.urlsafe_base64(32)[0...32]
    self.moderator_mail_id = SecureRandom.urlsafe_base64(32)[0...32]
    self.submitter_mail_id = SecureRandom.urlsafe_base64(32)[0...32]
  end

  def same_day?
    start_time.to_date == end_time.to_date
  end
end