class Multiwoven::Integrations::Destination::SalesforceCrm::Client

def authenticate_client
  @client.authenticate!
end

def build_args(action, stream_name, record)
  case action
  when :upsert
    [stream_name, record[:external_key], record]
  when :destroy
    [stream_name, record[:id]]
  else
    [stream_name, record]
  end
end

def check_connection(connection_config)
  connection_config = connection_config.with_indifferent_access
  initialize_client(connection_config)
  authenticate_client
  success_status
rescue StandardError => e
  failure_status(e)
end

def discover(_connection_config = nil)
  catalog = build_catalog(load_catalog)
  catalog.to_multiwoven_message
rescue StandardError => e
  handle_exception("SALESFORCE:CRM:DISCOVER:EXCEPTION", "error", e)
end

def failure_status(error)
  ConnectionStatus.new(status: ConnectionStatusType["failed"], message: error.message).to_multiwoven_message
end

def initialize_client(config)
  config = config.with_indifferent_access
  @client = Restforce.new(oauth_token: config[:access_token],
                          refresh_token: config[:refresh_token],
                          instance_url: config[:instance_url],
                          client_id: config[:client_id],
                          client_secret: config[:client_secret],
                          authentication_callback: proc { |x| log_debug(x.to_s) },
                          api_version: API_VERSION)
end

def load_catalog
  read_json(CATALOG_SPEC_PATH)
end

def log_debug(message)
  Multiwoven::Integrations::Service.logger.debug(message)
end

def process_record(stream, record)
  send_data_to_salesforce(stream.name, record)
end

def process_records(records, stream)
  write_success = 0
  write_failure = 0
  properties = stream.json_schema[:properties]
  records.each do |record_object|
    record = extract_data(record_object, properties)
    process_record(stream, record)
    write_success += 1
  rescue StandardError => e
    handle_exception("SALESFORCE:CRM:WRITE:EXCEPTION", "error", e)
    write_failure += 1
  end
  tracking_message(write_success, write_failure)
end

def send_data_to_salesforce(stream_name, record = {})
  method_name = "#{@action}!"
  args = build_args(@action, stream_name, record)
  @client.send(method_name, *args)
end

def success_status
  ConnectionStatus.new(status: ConnectionStatusType["succeeded"]).to_multiwoven_message
end

def tracking_message(success, failure)
  Multiwoven::Integrations::Protocol::TrackingMessage.new(
    success: success, failed: failure
  ).to_multiwoven_message
end

def write(sync_config, records, action = "create")
  @action = sync_config.stream.action || action
  initialize_client(sync_config.destination.connection_specification)
  process_records(records, sync_config.stream)
rescue StandardError => e
  handle_exception("SALESFORCE:CRM:WRITE:EXCEPTION", "error", e)
end