module WolfCore
  module FkmOperations
    include WolfCore::HttpOperations
    include WolfCore::ExceptionOperations
    include WolfCore::LoggingUtils

    def get_foreign_key_destination_id(tenant:, source:, source_id:, destination:)
      foreign_key = get_foreign_key_by_destination(
        tenant: tenant, source: source, source_id: source_id,
        destination: destination
      )
      foreign_key&.dig('destination_id')
    end

    def get_foreign_key_by_destination(tenant:, source:, source_id:, destination:)
      foreign_keys = get_foreign_keys(tenant: tenant, source: source, source_id: source_id)
      foreign_keys.find { |fk| fk['destination'] == destination }
    end

    def get_foreign_keys(tenant:, source:, source_id:)
      response = http_get(
        url: "#{ENV['FKM_URL']}/Prod/lookup?tenant=#{tenant}&source=#{source}&source_id=#{source_id}"
      )
      response = parse_http_response(response)
      log_object response, title: 'get_foreign_keys response is'
      validate_http_response(response: response, message: 'Error getting foreign keys')
      response.body
    end

    def get_foreign_keys_by_destination(tenant:, destination:, destination_id:)
      response = http_get(
        url: "#{ENV['FKM_URL']}/Prod/lookup?tenant=#{tenant}&destination=#{destination}&destination_id=#{destination_id}"
      )
      response = parse_http_response(response)
      log_object response, title: 'get_foreign_keys_by_destination response is'
      validate_http_response(response: response, message: 'Error getting foreign keys by destination id')
      response.body
    end

    def create_foreign_key(tenant:, source:, source_id:, destination:, destination_id:)
      raise_service_error({ message: 'tenant is required to create a foreign key', tenant: tenant }) if tenant.blank?
      raise_service_error({ message: 'source is required to create a foreign key', source: source }) if source.blank?
      raise_service_error({ message: 'source_id is required to create a foreign key', source_id: source_id }) if source_id.blank?
      raise_service_error({ message: 'destination is required to create a foreign key', destination: destination }) if destination.blank?
      raise_service_error({ message: 'destination_id is required to create a foreign key', destination_id: destination_id }) if destination_id.blank?
      response = http_post(
        url: "#{ENV['FKM_URL']}/Prod/create",
        body: {
          tenant: tenant,
          source: source,
          source_id: source_id,
          destination: destination,
          destination_id: destination_id
        }
      )
      response = parse_http_response(response)
      log_object response, title: 'create_foreign_key response is'
      validate_http_response(response: response, message: 'Error creating foreign key')
      parse_http_response(response).body
    end

    def find_or_create_foreign_key(tenant:, source:, source_id:, destination:, destination_id:)
      found_destination_id = get_foreign_key_destination_id(
        tenant: tenant, source: source, source_id: source_id,
        destination: destination
      )
      log_object "find_or_create_foreign_key found_destination_id is #{found_destination_id}"
      return Result.success(data: { operation: :find }) if found_destination_id.present?
      create_foreign_key(
        tenant: tenant, source: source, source_id: source_id,
        destination: destination, destination_id: destination_id
      )
      Result.success(data: { operation: :create })
    end

    def upsert_foreign_key(tenant:, auth_token:, source:, source_id:, destination:, destination_id:)
      foreign_key = get_foreign_key_by_destination(
        tenant: tenant, source: source, source_id: source_id,
        destination: destination
      )
      if foreign_key.present?
        update_foreign_key(
          tenant: tenant, auth_token: auth_token, uuid: foreign_key['uuid'],
          source: source, source_id: source_id,
          destination: destination, destination_id: destination_id,
        )
      else
        create_foreign_key(
          tenant: tenant, source: source, source_id: source_id,
          destination: destination, destination_id: destination_id
        )
      end
    end

    def update_foreign_key(tenant:, auth_token:, uuid:, source: nil, source_id: nil, destination: nil, destination_id: nil)
      raise_service_error({ message: 'tenant is required to update a foreign key', tenant: tenant }) if tenant.blank?
      raise_service_error({ message: 'auth_token is required to update a foreign key', auth_token: auth_token }) if auth_token.blank?
      raise_service_error({ message: 'uuid is required to update a foreign key', uuid: uuid }) if uuid.blank?

      fields_to_update = {
        source: source,
        source_id: source_id,
        destination: destination,
        destination_id: destination_id,
      }.compact

      raise_service_error({ message: 'At least one field to update is required to update a foreign key', source: source }) if fields_to_update.blank?

      body = {
        tenant: tenant,
        authentication_token: auth_token,
        uuid: uuid,
      }.merge(fields_to_update)
      log_object body, title: 'update_foreign_key body is'

      response = safe_http_put(
        url: "#{ENV['FKM_URL']}/Prod/update",
        body: body,
        title: 'update_foreign_key response is',
        error_message: 'Error updating foreign key',
      )
      response.body
    end
  end
end