class Multiwoven::Integrations::Destination::FacebookCustomAudience::Client

def ad_account_exists?(response, ad_account_id)
  return if extract_data(response).any? { |ad_account| ad_account["id"] == "act_#{ad_account_id}" }
  raise ArgumentError, "Ad account not found in business account"
end

def auth_headers(access_token)
  {
    "Accept" => "application/json",
    "Authorization" => "Bearer #{access_token}",
    "Content-Type" => "application/json"
  }
end

def check_connection(connection_config)
  connection_config = connection_config.with_indifferent_access
  access_token = connection_config[:access_token]
  response = Multiwoven::Integrations::Core::HttpClient.request(
    FACEBOOK_AUDIENCE_GET_ALL_ACCOUNTS,
    HTTP_GET,
    headers: auth_headers(access_token)
  )
  if success?(response)
    ad_account_exists?(response, connection_config[:ad_account_id])
    ConnectionStatus.new(status: ConnectionStatusType["succeeded"]).to_multiwoven_message
  else
    ConnectionStatus.new(status: ConnectionStatusType["failed"]).to_multiwoven_message
  end
rescue StandardError => e
  ConnectionStatus.new(status: ConnectionStatusType["failed"], message: e.message).to_multiwoven_message
end

def discover(_connection_config = nil)
  catalog_json = read_json(CATALOG_SPEC_PATH)
  streams = catalog_json["streams"].map do |stream|
    Multiwoven::Integrations::Protocol::Stream.new(
      audience_id: stream["audience_id"],
      url: stream["url"],
      name: stream["name"],
      json_schema: stream["json_schema"],
      request_method: stream["method"],
      action: stream["action"]
    )
  end
  catalog = Multiwoven::Integrations::Protocol::Catalog.new(
    streams: streams
  )
  catalog.to_multiwoven_message
rescue StandardError => e
  handle_exception(
    "FACEBOOK AUDIENCE:DISCOVER:EXCEPTION",
    "error",
    e
  )
end

def extract_data(response)
  response_body = response.body
  JSON.parse(response_body)["data"] if response_body
end

def extract_schema_and_data(data)
  [data.keys, data.values]
end

def write(sync_config, records, _action = "insert")
  url = sync_config.stream.url
  connection_config = sync_config.destination.connection_specification.with_indifferent_access
  connection_config = connection_config.with_indifferent_access
  access_token = connection_config[:access_token]
  write_success = 0
  write_failure = 0
  records.each do |record|
    schema, data = extract_schema_and_data(record.with_indifferent_access[:data])
    payload = {
      "payload" => {
        "schema" => schema,
        "data" => [data]
      }
    }
    response = Multiwoven::Integrations::Core::HttpClient.request(
      url,
      sync_config.stream.request_method,
      payload: payload,
      headers: auth_headers(access_token)
    )
    if success?(response)
      write_success += 1
    else
      write_failure += 1
    end
  rescue StandardError => e
    logger.error(
      "FACEBOOK:RECORD:WRITE:FAILURE: #{e.message}"
    )
    write_failure += 1
  end
  tracker = Multiwoven::Integrations::Protocol::TrackingMessage.new(
    success: write_success,
    failed: write_failure
  )
  tracker.to_multiwoven_message
rescue StandardError => e
  # TODO: Handle rate limiting seperately
  handle_exception(
    "FACEBOOK:WRITE:EXCEPTION",
    "error",
    e
  )
end