BathHacked/energy-sparks

# frozen_string_literal: true

class CalendarsController < ApplicationController
  load_and_authorize_resource

  before_action :set_breadcrumbs

  # GET /calendars/1
  def show
    @academic_year = academic_year
    @current_events = list_current_events(@academic_year)
    return unless @calendar.schools.count == 1

    @school = @calendar.schools.first
  end

  def current_events
    @academic_year = academic_year
    @current_events = list_current_events(@academic_year)
    render partial: 'current_events', locals: { calendar: @calendar, current_events: @current_events }
  end

  def destroy
    if (@calendar.school? || @calendar.national?) && @calendar.school?
      redirect_to admin_calendars_path, notice: 'Cannot delete national or school calendars'
    end
    if @calendar.regional? && @calendar.calendars.count.positive?
      redirect_to admin_calendars_path, notice: 'Cannot delete regional calendar with children'
    else
      @calendar.destroy
      redirect_to admin_calendars_path, notice: 'Calendar was successfully deleted.'
    end
  end

  def resync
    CalendarResyncJob.perform_later(@calendar, 1.week.ago, current_user.email)
    redirect_to calendar_path(@calendar), notice: 'Update job has been submitted. An email will be sent to ' \
                                                  "#{current_user.email} when complete"
  end

  private

  def set_breadcrumbs
    @breadcrumbs = [{ name: I18n.t('manage_school_menu.school_calendar') }] if @calendar.school?
  end

  def academic_year
    academic_year_ids = @calendar.calendar_events.pluck(:academic_year_id).uniq.sort_by(&:to_i).compact
    AcademicYear.find(academic_year_ids).find(&:current?)
  end

  def list_current_events(academic_year)
    return [] unless academic_year

    next_academic_year = academic_year.next_year
    academic_year_filter = next_academic_year.present? ? [academic_year, next_academic_year] : academic_year
    @calendar.calendar_events.where(academic_year: academic_year_filter).order(:start_date)
  end
end