module Multiwoven::Integrations::Core::Utils

def build_catalog(catalog_json)
  streams = catalog_json["streams"].map { |stream_json| build_stream(stream_json) }
  Multiwoven::Integrations::Protocol::Catalog.new(
    streams: streams,
    request_rate_limit: catalog_json["request_rate_limit"] || 60,
    request_rate_limit_unit: catalog_json["request_rate_limit_unit"] || "minute",
    request_rate_concurrency: catalog_json["request_rate_concurrency"] || 10,
    schema_mode: catalog_json["schema_mode"] || "schema"
  )
end

def build_stream(stream_json)
  Multiwoven::Integrations::Protocol::Stream.new(
    name: stream_json["name"],
    url: stream_json["url"],
    action: stream_json["action"],
    request_method: stream_json["method"],
    batch_support: stream_json["batch_support"] || false,
    batch_size: stream_json["batch_size"] || 1,
    json_schema: stream_json["json_schema"],
    request_rate_limit: stream_json["request_rate_limit"].to_i,
    request_rate_limit_unit: stream_json["request_rate_limit_unit"] || "minute",
    request_rate_concurrency: stream_json["request_rate_concurrency"].to_i,
    supported_sync_modes: stream_json["supported_sync_modes"]
  )
end

def convert_to_json_schema(column_definitions)
  json_schema = {
    "type" => "object",
    "properties" => {}
  }
  column_definitions.each do |column|
    column_name = column[:column_name]
    type = column[:type]
    optional = column[:optional]
    json_type = map_type_to_json_schema(type)
    json_schema["properties"][column_name] = {
      "type" => json_type
    }
    json_schema["properties"][column_name]["type"] = [json_type, "null"] if optional
  end
  json_schema
end

def create_log_message(context, type, exception)
  Integrations::Protocol::LogMessage.new(
    name: context,
    level: type,
    message: exception.message
  ).to_multiwoven_message
end

def extract_data(record_object, properties)
  data_attributes = record_object.with_indifferent_access
  data_attributes.select { |key, _| properties.key?(key.to_sym) }
end

def handle_exception(exception, meta = {})
  logger.error(
    "#{hash_to_string(meta)}: #{exception.message}"
  )
  report_exception(exception, meta)
  create_log_message(meta[:context], meta[:type], exception)
end

def hash_to_string(hash)
  hash.map { |key, value| "#{key} = #{value}" }.join(", ")
end

def keys_to_symbols(hash)
  if hash.is_a?(Hash)
    hash.each_with_object({}) do |(key, value), result|
      result[key.to_sym] = keys_to_symbols(value)
    end
  elsif hash.is_a?(Array)
    hash.map { |item| keys_to_symbols(item) }
  else
    hash
  end
end

def logger
  Integrations::Service.logger
end

def map_type_to_json_schema(type)
  case type
  when "NUMBER"
    "integer"
  else
    "string" # Default type
  end
end

def report_exception(exception, meta = {})
  reporter = Integrations::Service.exception_reporter
  reporter&.report(exception, meta)
end

def success?(response)
  response && %w[200 201].include?(response.code.to_s)
end