class Decidim::Meetings::MeetingMonthCell

def abbr_day_names
  @abbr_day_names ||= I18n.t("date.abbr_day_names").rotate(first_week_date_rotation)
end

def beginning_of_week
  @beginning_of_week ||= options[:beginning_of_week] || Date.beginning_of_week
end

def day_class(date)
  return "is-today" if date == Date.current
  return if events.exclude?(date)
  "is-#{date < Date.current ? "past" : "upcoming"}-event"
end

def day_names
  @day_names ||= I18n.t("date.day_names").rotate(first_week_date_rotation)
end

def events
  options[:events] || meetings.select { |meeting| meeting.start_time.month == month }.map { |meeting| meeting.start_time.to_date }
end

def first_day_of_month?(date)
  date.day == 1
end

def first_meeting
  @first_meeting ||= meetings.first
end

def first_week_date_rotation
  @first_week_date_rotation ||= Date::DAYS_INTO_WEEK[beginning_of_week.to_sym].to_i
end

def meetings_in_this_month?
  meetings.collect(&:start_time).map { |date| date.strftime("%m").to_i }.any? month
end

def month_days
  start_date.to_date.all_month
end

def month_name
  @month_name ||= I18n.t("date.month_names")[month]
end

def show
  render if meetings_in_this_month?
end

def start_date
  options[:start_date] || first_meeting.start_time
end

def weeks
  month_days.group_by do |day|
    (1 - first_week_date_rotation).days.since(day).cweek
  end.values
end