search

#!/usr/bin/ruby

# Download Calendly event types from API and let the user choose 1

require 'uri'
require 'open-uri'
require 'json'

API_KEY_FILE = File.join(ENV.fetch('HOME'), ENV.fetch('config_api_key_file'))

def emit(items)
  $stderr.puts items.inspect
  puts JSON.dump(items: items)
  exit
end

def log(arg)
  $stderr.puts arg.inspect
end

def offer_auth
  emit [
    {
      arg: 'add-api-key',
      title: 'Add your API key',
    },
    {
      arg: 'browse-for-api-key',
      title: 'Get your API key from calendly.com',
    },
  ]
end

def icon_path(color_rgb)
  "./icons/event-type-color-#{color_rgb.sub('#', '')}.png".tap do |path|
    if !File.exist?(path)
      log "Icon does not exist for color: #{color_rgb}"
    end
  end
end

offer_auth unless File.exist?(API_KEY_FILE)
api_key = File.read(API_KEY_FILE)
api_uri = URI.parse('https://calendly.com/api/v1/users/me/event_types')

response = api_uri.open('X-TOKEN' => api_key) do |f|
  status, message = f.status
  log status: status, message: message
  offer_auth unless status == "200"
  f.read
end

raw_event_types = JSON.parse(response).fetch('data')

# Enable fuzzy search by listing all n-grams of searchable fields
module MatchString
  module_function
  def ngrams(str, n)
    str.downcase.each_char.each_cons(n).to_a.map(&:join).join(' ')
  end

  def allgrams(str)
    (1..str.length).map { |n| ngrams(str, n) }.join(' ')
  end

  def call(*attrs)
    allgrams(attrs.map(&:to_s).join(' '))
  end
end

items = raw_event_types.map do |raw_event_type|
  attr = ->(key) { raw_event_type.fetch('attributes').fetch(key) }

  next unless attr['active']

  subtitle = [
    "#{attr['duration']}m",
    attr['slug'],
    attr['description'],
  ].compact.join(', ')

  {
    uid: raw_event_type.fetch('id'),
    title: attr['name'],
    arg: attr['url'],
    icon: { path: icon_path(attr['color']) },
    subtitle: subtitle,
    match: MatchString.call(
      attr['name'],
      attr['description'],
      attr['duration'],
      attr['slug'],
    ),
  }
end.compact

emit items