pub mod transformers;
use std::sync::LazyLock;

use api_models::webhooks::IncomingWebhookEvent;
use base64::{self, Engine};
use common_enums::enums;
use common_utils::{
    consts::BASE64_ENGINE,
    crypto,
    errors::CustomResult,
    ext_traits::BytesExt,
    request::{Method, Request, RequestBuilder, RequestContent},
    types::{AmountConvertor, FloatMajorUnit, FloatMajorUnitForConnector},
};
use error_stack::ResultExt;
use hyperswitch_domain_models::{
    router_data::{AccessToken, ConnectorAuthType, ErrorResponse, RouterData},
    router_flow_types::{
        access_token_auth::AccessTokenAuth,
        payments::{Authorize, Capture, PSync, PaymentMethodToken, Session, SetupMandate, Void},
        refunds::{Execute, RSync},
    },
    router_request_types::{
        AccessTokenRequestData, PaymentMethodTokenizationData, PaymentsAuthorizeData,
        PaymentsCancelData, PaymentsCaptureData, PaymentsSessionData, PaymentsSyncData,
        RefundsData, SetupMandateRequestData,
    },
    router_response_types::{
        ConnectorInfo, PaymentMethodDetails, PaymentsResponseData, RefundsResponseData,
        SupportedPaymentMethods, SupportedPaymentMethodsExt,
    },
    types::{
        PaymentsAuthorizeRouterData, PaymentsCancelRouterData, PaymentsCaptureRouterData,
        PaymentsSyncRouterData, RefundSyncRouterData, RefundsRouterData,
    },
};
use hyperswitch_interfaces::{
    api::{
        self, ConnectorCommon, ConnectorCommonExt, ConnectorIntegration, ConnectorSpecifications,
        ConnectorValidation,
    },
    configs::Connectors,
    errors::{self},
    events::connector_api_logs::ConnectorEvent,
    types::{self, Response},
    webhooks::{self},
};
use hyperswitch_masking::{Mask, PeekInterface, Secret};
use ring::hmac;
use transformers as getnet;

use crate::{constants::headers, types::ResponseRouterData, utils};

#[derive(Clone)]
pub struct Getnet {
    amount_converter: &'static (dyn AmountConvertor<Output = FloatMajorUnit> + Sync),
}

impl Getnet {
    pub fn new() -> &'static Self {
        &Self {
            amount_converter: &FloatMajorUnitForConnector,
        }
    }
}

impl api::Payment for Getnet {}
impl api::PaymentSession for Getnet {}
impl api::ConnectorAccessToken for Getnet {}
impl api::MandateSetup for Getnet {}
impl api::PaymentAuthorize for Getnet {}
impl api::PaymentSync for Getnet {}
impl api::PaymentCapture for Getnet {}
impl api::PaymentVoid for Getnet {}
impl api::Refund for Getnet {}
impl api::RefundExecute for Getnet {}
impl api::RefundSync for Getnet {}
impl api::PaymentToken for Getnet {}

impl ConnectorIntegration<PaymentMethodToken, PaymentMethodTokenizationData, PaymentsResponseData>
    for Getnet
{
    // Not Implemented (R)
}

impl<Flow, Request, Response> ConnectorCommonExt<Flow, Request, Response> for Getnet
where
    Self: ConnectorIntegration<Flow, Request, Response>,
{
    fn build_headers(
        &self,
        req: &RouterData<Flow, Request, Response>,
        _connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        let mut header = vec![
            (
                headers::CONTENT_TYPE.to_string(),
                self.get_content_type().to_string().into(),
            ),
            (
                headers::ACCEPT.to_string(),
                self.get_accept_type().to_string().into(),
            ),
        ];
        let mut api_key = self.get_auth_header(&req.connector_auth_type)?;
        header.append(&mut api_key);
        Ok(header)
    }
}

impl ConnectorCommon for Getnet {
    fn id(&self) -> &'static str {
        "getnet"
    }

    fn get_currency_unit(&self) -> api::CurrencyUnit {
        api::CurrencyUnit::Base
    }

    fn common_get_content_type(&self) -> &'static str {
        "application/json"
    }

    fn base_url<'a>(&self, connectors: &'a Connectors) -> &'a str {
        connectors.getnet.base_url.as_ref()
    }

    fn get_auth_header(
        &self,
        auth_type: &ConnectorAuthType,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        let auth = getnet::GetnetAuthType::try_from(auth_type)
            .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
        let encoded_api_key =
            BASE64_ENGINE.encode(format!("{}:{}", auth.username.peek(), auth.password.peek()));

        Ok(vec![(
            headers::AUTHORIZATION.to_string(),
            format!("Basic {encoded_api_key}").into_masked(),
        )])
    }

    fn build_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        let response: getnet::GetnetErrorResponse = res
            .response
            .parse_struct("GetnetErrorResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;

        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);

        Ok(ErrorResponse {
            status_code: res.status_code,
            code: response.code,
            message: response.message,
            reason: response.reason,
            attempt_status: None,
            connector_transaction_id: None,
            connector_response_reference_id: None,
            network_advice_code: None,
            network_decline_code: None,
            network_error_message: None,
            connector_metadata: None,
        })
    }
}

impl ConnectorValidation for Getnet {
    fn validate_psync_reference_id(
        &self,
        data: &PaymentsSyncData,
        _is_three_ds: bool,
        _status: enums::AttemptStatus,
        _connector_meta_data: Option<common_utils::pii::SecretSerdeValue>,
    ) -> CustomResult<(), errors::ConnectorError> {
        if data.encoded_data.is_some()
            || data
                .connector_transaction_id
                .get_connector_transaction_id()
                .is_ok()
        {
            return Ok(());
        }

        Err(errors::ConnectorError::MissingConnectorTransactionID.into())
    }
}

impl ConnectorIntegration<Session, PaymentsSessionData, PaymentsResponseData> for Getnet {}

impl ConnectorIntegration<AccessTokenAuth, AccessTokenRequestData, AccessToken> for Getnet {}

impl ConnectorIntegration<SetupMandate, SetupMandateRequestData, PaymentsResponseData> for Getnet {
    // Not Implemented (R)
    fn build_request(
        &self,
        _req: &RouterData<SetupMandate, SetupMandateRequestData, PaymentsResponseData>,
        _connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Err(
            errors::ConnectorError::NotImplemented("Setup Mandate flow for Getnet".to_string())
                .into(),
        )
    }
}

impl ConnectorIntegration<Authorize, PaymentsAuthorizeData, PaymentsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &PaymentsAuthorizeRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        _req: &PaymentsAuthorizeRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let endpoint = self.base_url(connectors);
        Ok(format!("{endpoint}/payments/"))
    }

    fn get_request_body(
        &self,
        req: &PaymentsAuthorizeRouterData,
        _connectors: &Connectors,
    ) -> CustomResult<RequestContent, errors::ConnectorError> {
        let amount = utils::convert_amount(
            self.amount_converter,
            req.request.minor_amount,
            req.request.currency,
        )?;
        let connector_router_data = getnet::GetnetRouterData::from((amount, req));
        let connector_req = getnet::GetnetPaymentsRequest::try_from(&connector_router_data)?;
        let res = RequestContent::Json(Box::new(connector_req));

        Ok(res)
    }

    fn build_request(
        &self,
        req: &PaymentsAuthorizeRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Ok(Some(
            RequestBuilder::new()
                .method(Method::Post)
                .url(&types::PaymentsAuthorizeType::get_url(
                    self, req, connectors,
                )?)
                .attach_default_headers()
                .headers(types::PaymentsAuthorizeType::get_headers(
                    self, req, connectors,
                )?)
                .set_body(types::PaymentsAuthorizeType::get_request_body(
                    self, req, connectors,
                )?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &PaymentsAuthorizeRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<PaymentsAuthorizeRouterData, errors::ConnectorError> {
        let response: getnet::GetnetPaymentsResponse = res
            .response
            .parse_struct("Getnet PaymentsAuthorizeResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

impl ConnectorIntegration<PSync, PaymentsSyncData, PaymentsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &PaymentsSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        req: &PaymentsSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let auth = getnet::GetnetAuthType::try_from(&req.connector_auth_type)
            .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
        let merchant_id = auth.merchant_id.peek();

        let endpoint = self.base_url(connectors);
        let transaction_id = req
            .request
            .connector_transaction_id
            .get_connector_transaction_id()
            .change_context(errors::ConnectorError::MissingConnectorTransactionID)?;

        Ok(format!(
            "{endpoint}/merchants/{merchant_id}/payments/{transaction_id}",
        ))
    }

    fn build_request(
        &self,
        req: &PaymentsSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Ok(Some(
            RequestBuilder::new()
                .method(Method::Get)
                .url(&types::PaymentsSyncType::get_url(self, req, connectors)?)
                .attach_default_headers()
                .headers(types::PaymentsSyncType::get_headers(self, req, connectors)?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &PaymentsSyncRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<PaymentsSyncRouterData, errors::ConnectorError> {
        let response: getnet::GetnetPaymentsResponse = res
            .response
            .parse_struct("getnet PaymentsSyncResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

impl ConnectorIntegration<Capture, PaymentsCaptureData, PaymentsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &PaymentsCaptureRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        _req: &PaymentsCaptureRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let endpoint = self.base_url(connectors);
        Ok(format!("{endpoint}/payments/"))
    }

    fn get_request_body(
        &self,
        req: &PaymentsCaptureRouterData,
        _connectors: &Connectors,
    ) -> CustomResult<RequestContent, errors::ConnectorError> {
        let amount = utils::convert_amount(
            self.amount_converter,
            req.request.minor_amount_to_capture,
            req.request.currency,
        )?;

        let connector_router_data = getnet::GetnetRouterData::from((amount, req));
        let connector_req = getnet::GetnetCaptureRequest::try_from(&connector_router_data)?;
        Ok(RequestContent::Json(Box::new(connector_req)))
    }

    fn build_request(
        &self,
        req: &PaymentsCaptureRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Ok(Some(
            RequestBuilder::new()
                .method(Method::Post)
                .url(&types::PaymentsCaptureType::get_url(self, req, connectors)?)
                .attach_default_headers()
                .headers(types::PaymentsCaptureType::get_headers(
                    self, req, connectors,
                )?)
                .set_body(types::PaymentsCaptureType::get_request_body(
                    self, req, connectors,
                )?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &PaymentsCaptureRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<PaymentsCaptureRouterData, errors::ConnectorError> {
        let response: getnet::GetnetCaptureResponse = res
            .response
            .parse_struct("Getnet PaymentsCaptureResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
        .change_context(errors::ConnectorError::ResponseHandlingFailed)
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

impl ConnectorIntegration<Void, PaymentsCancelData, PaymentsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &PaymentsCancelRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        _req: &PaymentsCancelRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let endpoint = self.base_url(connectors);
        Ok(format!("{endpoint}/payments/"))
    }

    fn get_request_body(
        &self,
        req: &PaymentsCancelRouterData,
        _connectors: &Connectors,
    ) -> CustomResult<RequestContent, errors::ConnectorError> {
        let connector_req = getnet::GetnetCancelRequest::try_from(req)?;
        Ok(RequestContent::Json(Box::new(connector_req)))
    }

    fn build_request(
        &self,
        req: &PaymentsCancelRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Ok(Some(
            RequestBuilder::new()
                .method(Method::Post)
                .url(&types::PaymentsVoidType::get_url(self, req, connectors)?)
                .attach_default_headers()
                .headers(types::PaymentsVoidType::get_headers(self, req, connectors)?)
                .set_body(types::PaymentsVoidType::get_request_body(
                    self, req, connectors,
                )?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &PaymentsCancelRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<PaymentsCancelRouterData, errors::ConnectorError> {
        let response: getnet::GetnetCancelResponse = res
            .response
            .parse_struct("GetnetPaymentsVoidResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;

        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);

        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

impl ConnectorIntegration<Execute, RefundsData, RefundsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &RefundsRouterData<Execute>,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        _req: &RefundsRouterData<Execute>,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let endpoint = self.base_url(connectors);
        Ok(format!("{endpoint}/payments/"))
    }

    fn get_request_body(
        &self,
        req: &RefundsRouterData<Execute>,
        _connectors: &Connectors,
    ) -> CustomResult<RequestContent, errors::ConnectorError> {
        let refund_amount = utils::convert_amount(
            self.amount_converter,
            req.request.minor_refund_amount,
            req.request.currency,
        )?;

        let connector_router_data = getnet::GetnetRouterData::from((refund_amount, req));
        let connector_req = getnet::GetnetRefundRequest::try_from(&connector_router_data)?;
        Ok(RequestContent::Json(Box::new(connector_req)))
    }

    fn build_request(
        &self,
        req: &RefundsRouterData<Execute>,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        let request = RequestBuilder::new()
            .method(Method::Post)
            .url(&types::RefundExecuteType::get_url(self, req, connectors)?)
            .attach_default_headers()
            .headers(types::RefundExecuteType::get_headers(
                self, req, connectors,
            )?)
            .set_body(types::RefundExecuteType::get_request_body(
                self, req, connectors,
            )?)
            .build();
        Ok(Some(request))
    }

    fn handle_response(
        &self,
        data: &RefundsRouterData<Execute>,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<RefundsRouterData<Execute>, errors::ConnectorError> {
        let response: getnet::RefundResponse =
            res.response
                .parse_struct("getnet RefundResponse")
                .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

impl ConnectorIntegration<RSync, RefundsData, RefundsResponseData> for Getnet {
    fn get_headers(
        &self,
        req: &RefundSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        self.build_headers(req, connectors)
    }

    fn get_content_type(&self) -> &'static str {
        self.common_get_content_type()
    }

    fn get_url(
        &self,
        req: &RefundSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let auth = getnet::GetnetAuthType::try_from(&req.connector_auth_type)
            .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
        let merchant_id = auth.merchant_id.peek();
        let endpoint = self.base_url(connectors);
        let transaction_id = req.request.connector_transaction_id.clone();

        Ok(format!(
            "{endpoint}/merchants/{merchant_id}/payments/{transaction_id}",
        ))
    }

    fn build_request(
        &self,
        req: &RefundSyncRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        Ok(Some(
            RequestBuilder::new()
                .method(Method::Get)
                .url(&types::RefundSyncType::get_url(self, req, connectors)?)
                .attach_default_headers()
                .headers(types::RefundSyncType::get_headers(self, req, connectors)?)
                .set_body(types::RefundSyncType::get_request_body(
                    self, req, connectors,
                )?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &RefundSyncRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<RefundSyncRouterData, errors::ConnectorError> {
        let response: getnet::RefundResponse = res
            .response
            .parse_struct("getnet RefundSyncResponse")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;
        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        RouterData::try_from(ResponseRouterData {
            response,
            data: data.clone(),
            http_code: res.status_code,
        })
    }

    fn get_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        self.build_error_response(res, event_builder)
    }
}

#[async_trait::async_trait]
impl webhooks::IncomingWebhook for Getnet {
    fn get_webhook_source_verification_algorithm(
        &self,
        _request: &webhooks::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<Box<dyn crypto::VerifySignature + Send>, errors::ConnectorError> {
        Ok(Box::new(crypto::HmacSha256))
    }

    fn get_webhook_source_verification_signature(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
        _connector_webhook_secrets: &api_models::webhooks::ConnectorWebhookSecrets,
    ) -> CustomResult<Vec<u8>, errors::ConnectorError> {
        let notif_item = getnet::get_webhook_response(request.body)
            .change_context(errors::ConnectorError::WebhookSourceVerificationFailed)?;
        let response_base64 = &notif_item.response_base64.peek().clone();
        BASE64_ENGINE
            .decode(response_base64)
            .change_context(errors::ConnectorError::WebhookSourceVerificationFailed)
    }

    fn get_webhook_source_verification_message(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
        _merchant_id: &common_utils::id_type::MerchantId,
        _connector_webhook_secrets: &api_models::webhooks::ConnectorWebhookSecrets,
    ) -> CustomResult<Vec<u8>, errors::ConnectorError> {
        let notif = getnet::get_webhook_response(request.body)
            .change_context(errors::ConnectorError::WebhookSourceVerificationFailed)?;

        Ok(notif.response_base64.peek().clone().into_bytes())
    }

    fn get_webhook_object_reference_id(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<api_models::webhooks::ObjectReferenceId, errors::ConnectorError> {
        let notif = getnet::get_webhook_object_from_body(request.body)
            .change_context(errors::ConnectorError::WebhookReferenceIdNotFound)?;
        let transaction_type = &notif.payment.transaction_type;
        if getnet::is_refund_event(transaction_type) {
            Ok(api_models::webhooks::ObjectReferenceId::RefundId(
                api_models::webhooks::RefundIdType::ConnectorRefundId(
                    notif.payment.transaction_id.to_string(),
                ),
            ))
        } else {
            Ok(api_models::webhooks::ObjectReferenceId::PaymentId(
                api_models::payments::PaymentIdType::ConnectorTransactionId(
                    notif.payment.transaction_id.to_string(),
                ),
            ))
        }
    }

    fn get_webhook_event_type(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
        _context: Option<&webhooks::WebhookContext>,
    ) -> CustomResult<IncomingWebhookEvent, errors::ConnectorError> {
        let notif = getnet::get_webhook_object_from_body(request.body)
            .change_context(errors::ConnectorError::WebhookEventTypeNotFound)?;
        let incoming_webhook_event = getnet::get_incoming_webhook_event(
            notif.payment.transaction_type,
            notif.payment.transaction_state,
        );
        Ok(incoming_webhook_event)
    }

    fn get_webhook_resource_object(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<Box<dyn hyperswitch_masking::ErasedMaskSerialize>, errors::ConnectorError>
    {
        let notif = getnet::get_webhook_object_from_body(request.body)
            .change_context(errors::ConnectorError::WebhookResourceObjectNotFound)?;
        Ok(Box::new(notif))
    }

    async fn verify_webhook_source(
        &self,
        request: &webhooks::IncomingWebhookRequestDetails<'_>,
        merchant_id: &common_utils::id_type::MerchantId,
        connector_webhook_details: Option<common_utils::pii::SecretSerdeValue>,
        _connector_account_details: crypto::Encryptable<Secret<serde_json::Value>>,
        connector_name: &str,
    ) -> CustomResult<bool, errors::ConnectorError> {
        let notif_item = getnet::get_webhook_response(request.body)
            .change_context(errors::ConnectorError::WebhookSourceVerificationFailed)?;

        let connector_webhook_secrets = self
            .get_webhook_source_verification_merchant_secret(
                merchant_id,
                connector_name,
                connector_webhook_details,
            )
            .await?;

        let signature = notif_item.response_signature_base64.peek().clone();

        let message = self.get_webhook_source_verification_message(
            request,
            merchant_id,
            &connector_webhook_secrets,
        )?;

        let secret = connector_webhook_secrets.secret;

        let key = hmac::Key::new(hmac::HMAC_SHA256, &secret);
        let result = hmac::sign(&key, &message);

        let computed_signature = BASE64_ENGINE.encode(result.as_ref());

        let normalized_computed_signature = computed_signature.replace("+", " ");
        Ok(signature == normalized_computed_signature)
    }
}

static GETNET_SUPPORTED_PAYMENT_METHODS: LazyLock<SupportedPaymentMethods> = LazyLock::new(|| {
    let supported_capture_methods = vec![
        enums::CaptureMethod::Automatic,
        enums::CaptureMethod::Manual,
        enums::CaptureMethod::SequentialAutomatic,
    ];

    let supported_card_network = vec![
        common_enums::CardNetwork::Mastercard,
        common_enums::CardNetwork::Visa,
        common_enums::CardNetwork::Interac,
        common_enums::CardNetwork::AmericanExpress,
        common_enums::CardNetwork::JCB,
        common_enums::CardNetwork::DinersClub,
        common_enums::CardNetwork::Discover,
        common_enums::CardNetwork::CartesBancaires,
        common_enums::CardNetwork::UnionPay,
        common_enums::CardNetwork::RuPay,
        common_enums::CardNetwork::Maestro,
    ];

    let mut getnet_supported_payment_methods = SupportedPaymentMethods::new();

    getnet_supported_payment_methods.add(
        enums::PaymentMethod::Card,
        enums::PaymentMethodType::Credit,
        PaymentMethodDetails {
            mandates: enums::FeatureStatus::NotSupported,
            refunds: enums::FeatureStatus::Supported,
            supported_capture_methods,
            specific_features: Some(
                api_models::feature_matrix::PaymentMethodSpecificFeatures::Card({
                    api_models::feature_matrix::CardSpecificFeatures {
                        three_ds: common_enums::FeatureStatus::NotSupported,
                        no_three_ds: common_enums::FeatureStatus::Supported,
                        supported_card_networks: supported_card_network,
                    }
                }),
            ),
        },
    );

    getnet_supported_payment_methods
});

static GETNET_CONNECTOR_INFO: ConnectorInfo = ConnectorInfo {
    display_name: "Getnet",
    description: "Getnet is a high-tech global payment platform that helps businesses accept payments securely while providing the best frictionless experience for customers everywhere.",
    connector_type: enums::HyperswitchConnectorCategory::PaymentGateway,
    integration_status: enums::ConnectorIntegrationStatus::Alpha,
};

static GETNET_SUPPORTED_WEBHOOK_FLOWS: [enums::EventClass; 2] =
    [enums::EventClass::Payments, enums::EventClass::Refunds];

impl ConnectorSpecifications for Getnet {
    fn get_connector_about(&self) -> Option<&'static ConnectorInfo> {
        Some(&GETNET_CONNECTOR_INFO)
    }

    fn get_supported_payment_methods(&self) -> Option<&'static SupportedPaymentMethods> {
        Some(&*GETNET_SUPPORTED_PAYMENT_METHODS)
    }

    fn get_supported_webhook_flows(&self) -> Option<&'static [enums::EventClass]> {
        Some(&GETNET_SUPPORTED_WEBHOOK_FLOWS)
    }
}
