module Dripper

# File lib/dripper.rb, line 6
def self.included(klass)
  klass.extend ClassMethods
end

# File lib/dripper.rb, line 10
def initialize(instance)
  raise ArgumentError, "The object must respond to #id" unless instance.respond_to?(:id)
  raise ArgumentError, "The object must respond to #created_at" unless instance.respond_to?(:created_at)
  @instance = instance
end

# File lib/dripper.rb, line 50
def enqueue(time)
  # nothing here
end

# File lib/dripper.rb, line 20
def offset_time(offset)
  calculated_time = starting_time + offset
  options = self.class.send_at_options
  unless options[:weekends]
    if calculated_time.wday == 6 # Saturday
      calculated_time = calculated_time - 1.day
    elsif calculated_time.wday == 0 # Sunday
      calculated_time = calculated_time + 1.day
    end
  end
  calculated_time
end

# File lib/dripper.rb, line 44
def schedule!
  scheduled_times.each do |time|
    enqueue(time)
  end
end

# File lib/dripper.rb, line 33
def scheduled_times
  offset = self.class.send_at_offset
  self.class.after_blocks.map do |b|
    t = offset_time(b[:offset])
    if offset and b[:offset] >= 1.day
      t = t.beginning_of_day + offset[0].hours + offset[1].minutes
    end
    t
  end
end

# File lib/dripper.rb, line 16
def starting_time
  @instance.created_at  # Fix this
end