module MeApi
  class Client < Ac::Base
    BASE_URL = "https://melhorenvio.com.br"
    Rate = Data.define(:from, :to, :price, :delivery_range, :service_name, :carrier_name, :carrier_logo_url)

    attr_reader :default_height, :default_width, :default_length
    def initialize(access_token = nil, default_height: 24, default_width: 16, default_length: 10)
      @default_height = default_height
      @default_width = default_width
      @default_length = default_length
      super access_token
    end

    def rates(from:, to:, weight_kg:, contents_value_brl:, height_cm: default_height, width_cm: default_width, length_cm: default_length)
      body = {
        "from" => {
          "postal_code" => from
        },
        "to" => {
          "postal_code" => to
        },
        "package" => {
          "weight" => weight_kg,
          "height" => height_cm,
          "width" => width_cm,
          "length" => length_cm
        },
        "options" => {
          "insurance_value" => contents_value_brl,
          "receipt" => false,
          "own_hand" => false
        }
      }
      response = post "api/v2/me/shipment/calculate", body: JSON.dump(body)
      if response.json.is_a?(Array)
        rates = response.json
      else
        rates = [response.json]
      end
      rates.map do |rate|
        Rate.new(
          from: from,
          to: to,
          price: rate["price"].to_f,
          delivery_range: rate["delivery_range"],
          service_name: rate["name"],
          carrier_name: rate["company"]["name"],
          carrier_logo_url: rate["company"]["picture"]
        )
      end
    end

    def refresh_token(client_id:, client_secret:, refresh_token:)
      body = {
        grant_type: "refresh_token",
        client_id: client_id,
        client_secret: client_secret,
        refresh_token: refresh_token
      }
      response = post "/oauth/token", body: JSON.dump(body), headers: { "Content-Type": "application/json" }
    end

    def authorize client_id:, client_secret:, code:, redirect_url:
      body = {
        grant_type: "authorization_code",
        client_id: client_id,
        client_secret: client_secret,
        code: code,
        redirect_uri: redirect_url
      }
      response = post "/oauth/token", body: JSON.dump(body), headers: { "Content-Type": "application/json" }
    end

  end
end