module Sunwatch

# File lib/sunwatch/sunwatch.rb, line 2
def self.daily_uv_info_for(opts = {})
  validate_opts!(opts)
  opts[:zipcode] = opts[:zipcode].to_s if opts[:zipcode] # allow integers
  opts[:timewindow] = :daily
  Sunwatch::Client.uv_info_for(opts)
end

# File lib/sunwatch/sunwatch.rb, line 9
def self.hourly_uv_info_for(opts = {})
  validate_opts!(opts)
  opts[:zipcode] = opts[:zipcode].to_s if opts[:zipcode] # allow integers
  opts[:timewindow] = :hourly
  Sunwatch::Client.uv_info_for(opts)
end

# File lib/sunwatch/sunwatch.rb, line 18
def self.validate_opts!(opts)
  if opts[:zipcode]
    validate_string_or_number!(:zipcode, opts[:zipcode])
  elsif opts[:city] && opts[:state]
    validate_string!(:city, opts[:city])
    validate_string!(:state, opts[:state])
  else
    raise ConfigurationError.new('city/state or zipcode must be provided')
  end
end

# File lib/sunwatch/sunwatch.rb, line 29
def self.validate_string!(opt, value)
  unless value.respond_to?(:to_str)
    raise ConfigurationError.new("#{opt.to_s} must be a string")
  end
end

# File lib/sunwatch/sunwatch.rb, line 35
def self.validate_string_or_number!(opt, value)
  unless value.respond_to?(:to_str) || value.respond_to?(:to_int)
    raise ConfigurationError.new("#{opt.to_s} must be a string or integer")
  end
end