class Sentry::Client

def capture_event(event, scope, hint = {})
  return unless configuration.sending_allowed?
  unless event.is_a?(TransactionEvent) || configuration.sample_allowed?
    transport.record_lost_event(:sample_rate, 'event')
    return
  end
  event_type = event.is_a?(Event) ? event.type : event["type"]
  event = scope.apply_to_event(event, hint)
  if event.nil?
    log_info("Discarded event because one of the event processors returned nil")
    transport.record_lost_event(:event_processor, event_type)
    return
  end
  if async_block = configuration.async
    dispatch_async_event(async_block, event, hint)
  elsif configuration.background_worker_threads != 0 && hint.fetch(:background, true)
    queued = dispatch_background_event(event, hint)
    transport.record_lost_event(:queue_overflow, event_type) unless queued
  else
    send_event(event, hint)
  end
  event
rescue => e
  log_error("Event capturing failed", e, debug: configuration.debug)
  nil
end

def dispatch_async_event(async_block, event, hint)
  # We have to convert to a JSON-like hash, because background job
  # processors (esp ActiveJob) may not like weird types in the event hash
  event_hash =
    begin
      event.to_json_compatible
    rescue => e
      log_error("Converting #{event.type} (#{event.event_id}) to JSON compatible hash failed", e, debug: configuration.debug)
      return
    end
  if async_block.arity == 2
    hint = JSON.parse(JSON.generate(hint))
    async_block.call(event_hash, hint)
  else
    async_block.call(event_hash)
  end
rescue => e
  log_error("Async #{event_hash["type"]} sending failed", e, debug: configuration.debug)
  send_event(event, hint)
end

def dispatch_background_event(event, hint)
  Sentry.background_worker.perform do
    send_event(event, hint)
  end
end

def event_from_exception(exception, hint = {})
  return unless @configuration.sending_allowed?
  ignore_exclusions = hint.delete(:ignore_exclusions) { false }
  return if !ignore_exclusions && !@configuration.exception_class_allowed?(exception)
  integration_meta = Sentry.integrations[hint[:integration]]
  ErrorEvent.new(configuration: configuration, integration_meta: integration_meta).tap do |event|
    event.add_exception_interface(exception)
    event.add_threads_interface(crashed: true)
    event.level = :error
  end
end

def event_from_message(message, hint = {}, backtrace: nil)
  return unless @configuration.sending_allowed?
  integration_meta = Sentry.integrations[hint[:integration]]
  event = ErrorEvent.new(configuration: configuration, integration_meta: integration_meta, message: message)
  event.add_threads_interface(backtrace: backtrace || caller)
  event.level = :error
  event
end

def event_from_transaction(transaction)
  TransactionEvent.new(configuration: configuration, transaction: transaction)
end

def generate_baggage(span)
  return unless configuration.propagate_traces
  baggage = span.to_baggage
  if baggage && !baggage.empty?
    log_debug("[Tracing] Adding #{BAGGAGE_HEADER_NAME} header to outgoing request: #{baggage}")
  end
  baggage
end

def generate_sentry_trace(span)
  return unless configuration.propagate_traces
  trace = span.to_sentry_trace
  log_debug("[Tracing] Adding #{SENTRY_TRACE_HEADER_NAME} header to outgoing request: #{trace}")
  trace
end

def initialize(configuration)
  @configuration = configuration
  @logger = configuration.logger
  if transport_class = configuration.transport.transport_class
    @transport = transport_class.new(configuration)
  else
    @transport =
      case configuration.dsn&.scheme
      when 'http', 'https'
        HTTPTransport.new(configuration)
      else
        DummyTransport.new(configuration)
      end
  end
end

def send_event(event, hint = nil)
  event_type = event.is_a?(Event) ? event.type : event["type"]
  if event_type != TransactionEvent::TYPE && configuration.before_send
    event = configuration.before_send.call(event, hint)
    if event.nil?
      log_info("Discarded event because before_send returned nil")
      transport.record_lost_event(:before_send, 'event')
      return
    end
  end
  if event_type == TransactionEvent::TYPE && configuration.before_send_transaction
    event = configuration.before_send_transaction.call(event, hint)
    if event.nil?
      log_info("Discarded event because before_send_transaction returned nil")
      transport.record_lost_event(:before_send, 'transaction')
      return
    end
  end
  transport.send_event(event)
  event
rescue => e
  loggable_event_type = event_type.capitalize
  log_error("#{loggable_event_type} sending failed", e, debug: configuration.debug)
  event_info = Event.get_log_message(event.to_hash)
  log_info("Unreported #{loggable_event_type}: #{event_info}")
  transport.record_lost_event(:network_error, event_type)
  raise
end