class HumanityApi

# File lib/humanity_api.rb, line 13
def initialize
  @token = ENV["HUMANITY_TOKEN"]
  @key = ENV["HUMANITY_KEY"]
  @errors = []
  @output_format = "json"
end

# File lib/humanity_api.rb, line 39
def build_request_params(data)
  data[:token] ||=  @token
  data[:key]   ||=  @key

  request_params = data.dup
  request_params.reject! { |data_key, data_value| data_key == :token || data_key == :key || data_key == :output_format }
  request_params[:method] = data[:method] || "GET"
  request_params[:method].upcase!

  body = {
    :token    => data[:token],
    :key      => data[:key],
    :request  => request_params,
    :output   => @output_format
  }

  check_params_for_errors(body)
  return body
end

# File lib/humanity_api.rb, line 24
def check_params_for_errors(body)
  key_error = "Invalid data packet: please provide a Humanity API key."
  module_error = "Invalid data packet: please provide the Humanity module." 

  @errors << key_error if !body[:key]
  @errors << module_error if !body[:request][:module]
end

# File lib/humanity_api.rb, line 20
def errors?
  @errors.count > 0
end

# File lib/humanity_api.rb, line 59
def make_request(body)
  return unless @errors.count == 0

  uri = URI(HUMANITY_BASE)
  http = Net::HTTP.new(uri.host, uri.port)
  http.use_ssl = true

  request = Net::HTTP::Post.new(uri.path)
  request_params = JSON.generate(body)
  request.set_form_data({"data" => request_params})
  response = http.request(request)

  case response.code.to_i
  when 200 || 201
    JSON.parse(response.body)
  else
    @errors << "Request failed: #{response.value}"
    begin
      JSON.parse(response)
    rescue error
      { error: error }
    end
  end
end

# File lib/humanity_api.rb, line 84
def parse_humanity_response(response)
  if errors?
    { "error" => @errors.join(" ") }
  elsif response["status"] != 1
    response
  else
    response["data"]
  end
end

# File lib/humanity_api.rb, line 32
def request_humanity_data(data)
  @errors = []
  request_params = build_request_params(data)
  humanity_response = make_request(request_params)
  parse_humanity_response(humanity_response)
end