module Eventful
  class Event < ActiveRecord::Base
    def self.inherited(base)
      super
      base.acts_as_taggable
    end

    default_scope :order => :start_at

    extend ::Montage::ActiveRecord::ClassMethods
    montage :key

    extend FriendlyId
    friendly_id :title, :use => :slugged

    pubdraft

    attr_accessible :title, :body, :start_at, :end_at, :tag_list

    scope :by_year, lambda { |year|
      year = DateTime.new(year, 1, 1)

      where('start_at BETWEEN ? AND ?',
            year.beginning_of_year,
            year.end_of_year)
    }

    scope :by_month, lambda { |month, year|
      month = DateTime.new(year, month, 1)

      where('start_at BETWEEN ? AND ?',
            month.beginning_of_month,
            month.end_of_month)
    }

    scope :by_day, lambda { |*args|
      day = if args.count == 3
              # day, month, year
              # were given separately
              d, m, y = args[0], args[1], args[2]

              DateTime.new(y, m, d)
            else
              # date object was given
              args[0]
            end

      where('start_at BETWEEN ? AND ?',
            day.beginning_of_day,
            day.end_of_day)
    }

    scope :upcoming, lambda {
      where('start_at >= ?', DateTime.now)
    }

    scope :current, lambda {
      where('start_at <= :time AND end_at >= :time',
            :time => DateTime.now)
    }

    scope :past, lambda {
      where('end_at <= ?', DateTime.now)
    }
  end
end