module T2Airtime
  class AirtimeController < ActionController::API

    def account
       reply = T2Airtime::API.api.account_info
       if reply.success?
          render_data T2Airtime::Account.serialize reply.data, 
                                                   reply.headers[:date]
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end       
    end


    def countries
       reply = T2Airtime::API.api.country_list
       if reply.success?
          render_data T2Airtime::Country.serialize reply.data, 
                                                   reply.headers[:date]
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end
    end

    def operators
       reply = T2Airtime::API.api.operator_list(params[:id])
       if reply.success?
          render_data T2Airtime::Operator.serialize reply.data, 
                                                    reply.headers[:date]
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end
    end    

    def products
       reply = T2Airtime::API.api.product_list(params[:id])
       if reply.success?
          render_data T2Airtime::Product.serialize reply.data,
                                                   reply.headers[:date]
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end
    end 
    
    def transactions
       reply = T2Airtime::API.api.transaction_list parse_time_param(params[:start]), 
                                                   parse_time_param(params[:stop]), 
                                                   params[:msisdn], 
                                                   params[:destination], 
                                                   params[:code]
       if reply.success?
          render_data T2Airtime::Transaction.serialize reply.data
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end
    end 

    def transaction
       reply = T2Airtime::API.api.transaction_info(params[:id])
       if reply.success?
          render_data T2Airtime::Transaction.serialize_one reply.data,
                                                           reply.headers[:date]
       else
          render_error T2Airtime::Error.new reply.error_code, 
                                            reply.error_message
       end
    end     
    
    protected

    def parse_time_param(timestr)
      Time.zone.parse(timestr)
    end


    def render_data(data)
          render json: {              
              data: data,
              status: :ok
          }
    end    

    def render_error(error)
          render json: {
              errors: [{
                code: error.code,
                detail: error.message,
                title: "Error!"
              }],
              status: :bad_request
          }
    end


  end
end