module BusinessCalendar

# File lib/business_calendar.rb, line 7
def for(country, options = {})
  if options["use_cached_calendar"]
    calendar_cache[country] ||= Calendar.new(holiday_determiner(country))
  else
    Calendar.new(holiday_determiner(country), options)
  end
end

# File lib/business_calendar.rb, line 19
def for_endpoint(additions, removals, options = {})
  Calendar.new(holiday_determiner_for_endpoint(additions, removals, options), options)
end

# File lib/business_calendar.rb, line 15
def for_organization(org, options = {})
  Calendar.new(holiday_determiner_for_organization(org), options)
end

# File lib/business_calendar.rb, line 75
def calendar_cache
  @calendar_cache ||= {}
end

# File lib/business_calendar.rb, line 79
def config(country)
  @config ||= load_config
  @config[country.to_s]
end

# File lib/business_calendar.rb, line 47
def holiday_dates_for_endpoint(client, endpoint)
  Proc.new { JSON.parse(client.get(endpoint).body).fetch('holidays').map { |s| Date.parse s } }
end

# File lib/business_calendar.rb, line 25
def holiday_determiner(country)
  cfg = config(country) or raise CountryNotSupported.new(country.inspect)
  @holiday_procs ||= {}
  @holiday_procs[country] ||= HolidayDeterminer.new(
     cfg["regions"],
     cfg["holiday_names"],
     :additions       => (cfg["additions"] || []).map { |s| Date.parse s },
     :removals        => (cfg["removals"]  || []).map { |s| Date.parse s },
     :additions_only  => cfg['additions_only'] )
end

# File lib/business_calendar.rb, line 51
def holiday_determiner_for_endpoint(additions_endpoint, removals_endpoint, opts)
  client = Faraday.new do |conn|
    conn.response :raise_error
    conn.adapter :net_http
  end

  additions = if additions_endpoint
                holiday_dates_for_endpoint(client, additions_endpoint)
              end

  removals = if removals_endpoint
               holiday_dates_for_endpoint(client, removals_endpoint)
             end

  HolidayDeterminer.new(
    opts["regions"] || [],
    opts["holiday_names"] || [],
    :additions       => additions,
    :removals        => removals,
    :additions_only  => opts["additions_only"] || [],
    :ttl => opts['ttl']
  )
end

# File lib/business_calendar.rb, line 36
def holiday_determiner_for_organization(org)
  cfg = org_config(org) or raise OrganizationNotSupported.new(org.inspect)
  @holiday_procs ||= {}
  @holiday_procs[org] ||= HolidayDeterminer.new(
     cfg["regions"],
     cfg["holiday_names"],
     :additions       => (cfg["additions"] || []).map { |s| Date.parse s },
     :removals        => (cfg["removals"]  || []).map { |s| Date.parse s },
     :additions_only  => cfg['additions_only'] )
end

# File lib/business_calendar.rb, line 84
def load_config
  files = Dir[File.join(File.dirname(File.expand_path(__FILE__)), '../data/*.yml')]

  files.reduce({}) { |hash, file| hash.merge! YAML.load_file(file) }
end

# File lib/business_calendar.rb, line 95
def load_config_for_organizations
  files = Dir[File.join(File.dirname(File.expand_path(__FILE__)), '../data/org/*.yml')]

  files.reduce({}) { |hash, file| hash.merge! YAML.load_file(file) }
end

# File lib/business_calendar.rb, line 90
def org_config(org)
  @org_config ||= load_config_for_organizations
  @org_config[org.to_s]
end