# frozen_string_literal: true

wb = xlsx_package.workbook

header = wb.styles.add_style b: true, bg_color: Stylesheet.primary.upcase.gsub('#', 'FF'), fg_color: 'FFFFFFFF'
date = wb.styles.add_style format_code: Rails.application.secrets.excel_date_format

## Machines slots
wb.add_worksheet(name: ExcelService.name_safe(t('export_availabilities.machines'))) do |sheet|

  ## data table
  # heading labels
  columns = [t('export_availabilities.date'), t('export_availabilities.day_of_week'), t('export_availabilities.slot'),
             t('export_availabilities.machine'), t('export_availabilities.reservations')]
  sheet.add_row columns, style: header

  # data rows
  availabilities.where(available_type: 'machines').order(:start_at).each do |a|
    slot_duration = a.slot_duration || Setting.get('slot_duration').to_i
    a.machines.each do |m|
      ((a.end_at - a.start_at) / slot_duration.minutes).to_i.times do |i|
        start_at = a.start_at + (i * slot_duration).minutes
        end_at = a.start_at + (i * slot_duration).minutes + slot_duration.minutes
        reservations = 0
        if a.slots&.map(&:start_at)&.include? start_at
          reservations = Reservation.where(reservable: m).includes(:slots).where('slots.id' => a.slots, 'slots.start_at' => start_at).count
        end

        data = [
          start_at.to_date,
          I18n.l(start_at, format: '%A').capitalize,
          print_slot(start_at, end_at),
          m.name,
          reservations
        ]
        styles = [date, nil, nil, nil, nil]
        types = %i[date string string string integer]

        sheet.add_row data, style: styles, types: types

      end
    end
  end
end


## Trainings availabilities
wb.add_worksheet(name: ExcelService.name_safe(t('export_availabilities.trainings'))) do |sheet|

  ## data table
  # heading labels
  columns = [t('export_availabilities.date'), t('export_availabilities.day_of_week'), t('export_availabilities.slot'),
             t('export_availabilities.training'), t('export_availabilities.reservations'),
             t('export_availabilities.available_seats')]
  sheet.add_row columns, style: header

  # data rows
  availabilities.where(available_type: 'training').order(:start_at).each do |a|
    data = [
      a.start_at.to_date,
      I18n.l(a.start_at, format: '%A').capitalize,
      print_slot(a.start_at, a.end_at),
      a.trainings.first.name,
      a.reservations.count,
      a.nb_total_places
    ]
    styles = [date, nil, nil, nil, nil, nil]
    types = %i[date string string string integer integer]

    sheet.add_row data, style: styles, types: types
  end
end

## Spaces slots
if Setting.get('spaces_module')
  wb.add_worksheet(name: ExcelService.name_safe(t('export_availabilities.spaces'))) do |sheet|

    ## data table
    # heading labels
    columns = [t('export_availabilities.date'), t('export_availabilities.day_of_week'), t('export_availabilities.slot'),
               t('export_availabilities.space'), t('export_availabilities.reservations'),
               t('export_availabilities.available_seats')]
    sheet.add_row columns, style: header

    # data rows
    availabilities.where(available_type: 'space').order(:start_at).each do |a|
      slot_duration = a.slot_duration || Setting.get('slot_duration').to_i
      ((a.end_at - a.start_at) / slot_duration.minutes).to_i.times do |i|
        start_at = a.start_at + (i * slot_duration).minutes
        end_at = a.start_at + (i * slot_duration).minutes + slot_duration.minutes
        reservations = a.slots_reservations.where(slots: { start_at: start_at }).count

        data = [
          start_at.to_date,
          I18n.l(start_at, format: '%A').capitalize,
          print_slot(start_at, end_at),
          a.spaces.first.name,
          reservations,
          a.nb_total_places
        ]
        styles = [date, nil, nil, nil, nil, nil]
        types = %i[date string string string integer integer]

        sheet.add_row data, style: styles, types: types
      end
    end
  end
end


## Events availabilities
wb.add_worksheet(name: ExcelService.name_safe(t('export_availabilities.events'))) do |sheet|

  ## data table
  # heading labels
  columns = [t('export_availabilities.date'), t('export_availabilities.day_of_week'), t('export_availabilities.slot'),
             t('export_availabilities.event'), t('export_availabilities.reservations'),
             t('export_availabilities.available_seats')]
  sheet.add_row columns, :style => header

  # data rows
  availabilities.where(available_type: 'event').order(:start_at).each do |a|
    data = [
      a.start_at.to_date,
      I18n.l(a.start_at, format: '%A').capitalize,
      print_slot(a.start_at, a.end_at),
      a.event.title,
      a.reservations.map(&:nb_reserve_places).reduce(:+) || 0,
      a.nb_total_places
    ]
    styles = [date, nil, nil, nil, nil, nil]
    types = %i[date string string string integer integer]

    sheet.add_row data, style: styles, types: types
  end
end