class CptecInpe

# File lib/cptec_inpe.rb, line 12
def initialize(str)
  self.location = str unless str.nil?
end

# File lib/cptec_inpe.rb, line 26
def find_location(location)
  options = {
    query: {
      city: Utils.normalize(location)
    }
  }

  path = build_path "/listaCidades"
  cities = self.class.get(path, options)["cidades"]

  return if cities.nil?
  return cities["cidade"].first if cities["cidade"].is_a?(Array)

  cities["cidade"]
end

# File lib/cptec_inpe.rb, line 52
def forecast
  response = get("/cidade/%s/previsao.xml")
  get_forecast(response) if response
end

# File lib/cptec_inpe.rb, line 16
def location=(location)
  @location_code = nil

  city = find_location(location)

  unless city.nil?
    @location_code = city["id"]
  end
end

# File lib/cptec_inpe.rb, line 47
def waves_next_days
  response = get("/cidade/%s/todos/tempos/ondas.xml")
  get_forecast(response) if response
end

# File lib/cptec_inpe.rb, line 42
def waves_today
  response = get("/cidade/%s/dia/0/ondas.xml")
  response["cidade"] if response
end

# File lib/cptec_inpe.rb, line 67
def build_path(path)
  "/XML#{path}"
end

# File lib/cptec_inpe.rb, line 59
def get(path_format)
  unless @location_code.nil?
    path = build_path(path_format % @location_code)
    response = self.class.get(path)
    response if response.success?
  end
end

# File lib/cptec_inpe.rb, line 71
def get_forecast(response)
  response["cidade"]["previsao"]
end