module NasneChecker

# File lib/nasne_checker.rb, line 9
def run(option)
  @nasne = Nasne.new(option[:nasne])
  @slack = Slack::Poster.new(option[:slack])

  if option[:cron]
    cron_parser = CronParser.new(option[:cron])
    loop do
      next_time = cron_parser.next(Time.now)
      sleep next_time - Time.now
      ckeck_nasne
    end
  else
    ckeck_nasne
  end
end

# File lib/nasne_checker.rb, line 81
def ckeck_nasne
  nasne.hdd_detail.each do |hdd|
    parcent = ((hdd[:usedVolumeSize].to_f / hdd[:totalVolumeSize].to_f) * 100).round
    if parcent > 90
      type = hdd[:internalFlag].zero? ? 'Internal' : 'External'
      post_warning(":floppy_disk: The capacity of the #{type} HDD is insufficient (#{parcent}% used).")
    end
  end

  items = nasne.reserved_list[:item].sort_by { |item| Time.parse(item[:startDateTime]) }

  fields = items.select { |item| (item[:conflictId]).positive? }
    .map { |item| convert_field(item) }

  unless fields.empty?
    post_warning(':warning: Reservations are overlap.', color: 'warning',
      fields: fields)
  end

  fields = items.select { |item| item[:eventId] == 65_536 }
    .map { |item| convert_field(item) }

  unless fields.empty?
    post_warning(':exclamation: Reservations does not exist.', color: 'warning',
      fields: fields)
  end
end

# File lib/nasne_checker.rb, line 29
def convert_enclose(text)
  enclose = [
    ["\ue0fd", '[手]'],
    ["\ue0fe", '[字]'],
    ["\ue0ff", '[双]'],
    ["\ue180", '[デ]'],
    ["\ue182", '[二]'],
    ["\ue183", '[多]'],
    ["\ue184", '[解]'],
    ["\ue185", '[SS]'],
    ["\ue18c", '[映]'],
    ["\ue18d", '[無]'],
    ["\ue190", '[前]'],
    ["\ue191", '[後]'],
    ["\ue192", '[再]'],
    ["\ue193", '[新]'],
    ["\ue194", '[初]'],
    ["\ue195", '[終]'],
    ["\ue196", '[生]'],
    ["\ue19c", '[他]']
  ]

  enclose.reduce(text) do |converted, target|
    before, after = target
    converted.gsub(before, after)
  end
end

# File lib/nasne_checker.rb, line 57
def convert_field(item)
  start_time = Time.parse(item[:startDateTime]).strftime('%Y/%m/%d(%a) %H:%M')
  end_time = (Time.parse(item[:startDateTime]) + item[:duration]).strftime('%H:%M')
  {
    title: convert_enclose(item[:title]),
    value: "#{start_time} - #{end_time}",
    short: false
  }
end

# File lib/nasne_checker.rb, line 67
def post_warning(text, attachment_hash = nil)
  message =
    if attachment_hash
      attachment = Slack::Attachment.new(attachment_hash)
      attachment_hash[:fields].each do |field|
        attachment.add_field field[:title], field[:value], field[:short]
      end
      Slack::Message.new(text, attachment)
    else
      text
    end
  slack.send_message(message)
end