require 'stm_api/version'
require 'rest-client'
require 'base64'
require 'json'
require 'uri'

module StmApi
  # Your code goes here...
  class Donation
    attr_accessor :userhash
    attr_accessor :currency
    attr_accessor :team_id
    
    def initialize(params = {}) 
      @userhash = params[:userhash]
      @currency = params[:currency]
      @team_id = params[:team_id]
    end
    def donate(params = {})
      bearer = 'LAXQszxcmpGMWi24y0NFt00YPWGJnJOo9Ba8ijLcI1fmiKHI1PDF7KG7PGJU7KcX'
      token_payload = {
        'userHash' => @userhash,
        'currency' => @currency
      }
      
      client_token = RestClient.post('https://api.sharethemeal.org/api/payment/braintree/client-tokens', token_payload.to_json,
                                     content_type: :json, accept: :json,
                                     Authorization: "Bearer #{bearer}")

      client_token_response = JSON.parse(client_token)
      
      auth_reply = JSON.parse(Base64.decode64(client_token_response['clientToken']))
      finger_print =  URI.encode_www_form_component(auth_reply['authorizationFingerprint'])

      payment_infos = RestClient.get("https://api.braintreegateway.com/merchants/#{auth_reply['merchantId']}/client_api/v1/payment_methods?sharedCustomerIdentifierType=undefined&braintreeLibraryVersion=braintree%2Fweb%2F2.15.5&merchantAccountId=#{auth_reply['merchantAccountId']}&authorizationFingerprint=#{finger_print}&callback=")
      payment_infos_json = JSON.parse(payment_infos)

      transaction_payload = {
        'userHash' => @userhash,
        'amount' => params[:amount],
        'currency' => @currency,
        'paymentMethodNonce' => payment_infos_json['paymentMethods'].first['nonce'],
        'teamId' => @team_id
      }

      transaction_response = RestClient.post('https://api.sharethemeal.org/api/payment/braintree/transactions', transaction_payload.to_json, content_type: :json, accept: :json,
                                                                                                                                             'Authorization' => "Bearer #{bearer}")

      transaction_response_json = JSON.parse(transaction_response)
      if transaction_response_json['result']['donationCreated'] == true
        return true
      else
        return false
      end

        rescue => err
          return false
        end
  end
end