pub mod transformers;

use std::{sync::LazyLock, time::SystemTime};

use actix_web::http::header::Date;
use base64::Engine;
use common_enums::enums;
use common_utils::{
    errors::CustomResult,
    ext_traits::BytesExt,
    request::{Method, Request, RequestBuilder, RequestContent},
    types::{AmountConvertor, MinorUnit, MinorUnitForConnector},
};
use error_stack::{report, ResultExt};
use hyperswitch_domain_models::{
    router_data::{AccessToken, ConnectorAuthType, ErrorResponse, RouterData},
    router_flow_types::{
        access_token_auth::AccessTokenAuth,
        payments::{
            Authorize, Capture, CompleteAuthorize, PSync, PaymentMethodToken, Session,
            SetupMandate, Void,
        },
        refunds::{Execute, RSync},
    },
    router_request_types::{
        AccessTokenRequestData, CompleteAuthorizeData, PaymentMethodTokenizationData,
        PaymentsAuthorizeData, PaymentsCancelData, PaymentsCaptureData, PaymentsSessionData,
        PaymentsSyncData, RefundsData, SetupMandateRequestData,
    },
    router_response_types::{
        ConnectorInfo, PaymentMethodDetails, PaymentsResponseData, RefundsResponseData,
        SupportedPaymentMethods, SupportedPaymentMethodsExt,
    },
    types::{
        PaymentsAuthorizeRouterData, PaymentsCancelRouterData, PaymentsCaptureRouterData,
        PaymentsCompleteAuthorizeRouterData, PaymentsSyncRouterData, RefreshTokenRouterData,
        RefundSyncRouterData, RefundsRouterData,
    },
};
use hyperswitch_interfaces::{
    api::{
        self, ConnectorCommon, ConnectorCommonExt, ConnectorIntegration, ConnectorSpecifications,
        ConnectorValidation,
    },
    configs::Connectors,
    errors,
    events::connector_api_logs::ConnectorEvent,
    types::{self, Response},
    webhooks,
};
use hyperswitch_masking::{ExposeInterface, Mask, Secret};
use rand::distributions::{Alphanumeric, DistString};
use ring::hmac;
use transformers as deutschebank;

use crate::{
    constants::headers,
    types::ResponseRouterData,
    utils::{
        self, PaymentsAuthorizeRequestData, PaymentsCompleteAuthorizeRequestData,
        RefundsRequestData, RouterData as ConnectorRouterData,
    },
};

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

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

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

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

impl<Flow, Request, Response> ConnectorCommonExt<Flow, Request, Response> for Deutschebank
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 access_token = req
            .access_token
            .clone()
            .ok_or(errors::ConnectorError::FailedToObtainAuthType)?;
        let mut header = vec![
            (
                headers::CONTENT_TYPE.to_string(),
                self.get_content_type().to_string().into(),
            ),
            (
                headers::AUTHORIZATION.to_string(),
                format!("Bearer {}", access_token.token.expose()).into_masked(),
            ),
        ];
        let mut api_key = self.get_auth_header(&req.connector_auth_type)?;
        header.append(&mut api_key);
        Ok(header)
    }
}

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

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

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

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

    fn get_auth_header(
        &self,
        auth_type: &ConnectorAuthType,
    ) -> CustomResult<Vec<(String, hyperswitch_masking::Maskable<String>)>, errors::ConnectorError>
    {
        let auth = deutschebank::DeutschebankAuthType::try_from(auth_type)
            .change_context(errors::ConnectorError::FailedToObtainAuthType)?;
        Ok(vec![(
            headers::MERCHANT_ID.to_string(),
            auth.merchant_id.expose().into_masked(),
        )])
    }

    fn build_error_response(
        &self,
        res: Response,
        event_builder: Option<&mut ConnectorEvent>,
    ) -> CustomResult<ErrorResponse, errors::ConnectorError> {
        let response: deutschebank::PaymentsErrorResponse = res
            .response
            .parse_struct("PaymentsErrorResponse")
            .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.rc,
            message: response.message.clone(),
            reason: Some(response.message),
            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 Deutschebank {}

impl ConnectorIntegration<Session, PaymentsSessionData, PaymentsResponseData> for Deutschebank {
    //TODO: implement sessions flow
}

impl ConnectorIntegration<SetupMandate, SetupMandateRequestData, PaymentsResponseData>
    for Deutschebank
{
}

impl ConnectorIntegration<AccessTokenAuth, AccessTokenRequestData, AccessToken> for Deutschebank {
    fn get_url(
        &self,
        _req: &RefreshTokenRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        Ok(format!("{}/security/v1/token", self.base_url(connectors)))
    }

    fn get_content_type(&self) -> &'static str {
        "application/x-www-form-urlencoded"
    }

    fn build_request(
        &self,
        req: &RefreshTokenRouterData,
        connectors: &Connectors,
    ) -> CustomResult<Option<Request>, errors::ConnectorError> {
        let auth = deutschebank::DeutschebankAuthType::try_from(&req.connector_auth_type)?;
        let client_id = auth.client_id.expose();
        let date = Date(SystemTime::now().into()).to_string();
        let random_string = Alphanumeric.sample_string(&mut rand::thread_rng(), 50);

        let string_to_sign = client_id.clone() + &date + &random_string;
        let key = hmac::Key::new(hmac::HMAC_SHA256, auth.client_key.expose().as_bytes());
        let client_secret = format!(
            "V1:{}",
            common_utils::consts::BASE64_ENGINE
                .encode(hmac::sign(&key, string_to_sign.as_bytes()).as_ref())
        );

        let headers = vec![
            (
                headers::X_RANDOM_VALUE.to_string(),
                random_string.into_masked(),
            ),
            (headers::X_REQUEST_DATE.to_string(), date.into_masked()),
            (
                headers::CONTENT_TYPE.to_string(),
                types::RefreshTokenType::get_content_type(self)
                    .to_string()
                    .into(),
            ),
        ];

        let connector_req = deutschebank::DeutschebankAccessTokenRequest {
            client_id: Secret::from(client_id),
            client_secret: Secret::from(client_secret),
            grant_type: "client_credentials".to_string(),
            scope: "ftx".to_string(),
        };
        let body = RequestContent::FormUrlEncoded(Box::new(connector_req));

        let req = Some(
            RequestBuilder::new()
                .method(Method::Post)
                .headers(headers)
                .url(&types::RefreshTokenType::get_url(self, req, connectors)?)
                .set_body(body)
                .build(),
        );
        Ok(req)
    }

    fn handle_response(
        &self,
        data: &RefreshTokenRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<RefreshTokenRouterData, errors::ConnectorError> {
        let response: deutschebank::DeutschebankAccessTokenResponse = res
            .response
            .parse_struct("Paypal PaypalAuthUpdateResponse")
            .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> {
        let response: deutschebank::DeutschebankError = res
            .response
            .parse_struct("DeutschebankError")
            .change_context(errors::ConnectorError::ResponseDeserializationFailed)?;

        event_builder.map(|i| i.set_response_body(&response));
        router_env::logger::info!(connector_response=?response);
        match response {
            deutschebank::DeutschebankError::PaymentsErrorResponse(response) => Ok(ErrorResponse {
                status_code: res.status_code,
                code: response.rc,
                message: response.message.clone(),
                reason: Some(response.message),
                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,
            }),
            deutschebank::DeutschebankError::AccessTokenErrorResponse(response) => {
                Ok(ErrorResponse {
                    status_code: res.status_code,
                    code: response.cause.clone(),
                    message: response.cause.clone(),
                    reason: Some(response.description),
                    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 ConnectorIntegration<Authorize, PaymentsAuthorizeData, PaymentsResponseData> for Deutschebank {
    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 event_id = req.connector_request_reference_id.clone();
        let tx_action = if req.request.is_auto_capture()? {
            "authorization"
        } else {
            "preauthorization"
        };

        if req.is_three_ds() && req.request.is_card() {
            Ok(format!(
                "{}/services/v2.1/headless3DSecure/event/{event_id}/{tx_action}/initialize",
                self.base_url(connectors)
            ))
        } else if !req.is_three_ds() && req.request.is_card() {
            Err(errors::ConnectorError::NotSupported {
                message: "Non-ThreeDs".to_owned(),
                connector: "deutschebank",
            }
            .into())
        } else if req.request.connector_mandate_id().is_none() {
            Ok(format!(
                "{}/services/v2.1/managedmandate",
                self.base_url(connectors)
            ))
        } else {
            Ok(format!(
                "{}/services/v2.1/payment/event/{event_id}/directdebit/{tx_action}",
                self.base_url(connectors)
            ))
        }
    }

    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 = deutschebank::DeutschebankRouterData::from((amount, req));
        let connector_req =
            deutschebank::DeutschebankPaymentsRequest::try_from(&connector_router_data)?;
        Ok(RequestContent::Json(Box::new(connector_req)))
    }

    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> {
        if data.is_three_ds() && data.request.is_card() {
            let response: deutschebank::DeutschebankThreeDSInitializeResponse = res
                .response
                .parse_struct("DeutschebankPaymentsAuthorizeResponse")
                .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,
            })
        } else if data.request.connector_mandate_id().is_none() {
            let response: deutschebank::DeutschebankMandatePostResponse = res
                .response
                .parse_struct("DeutschebankMandatePostResponse")
                .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,
            })
        } else {
            let response: deutschebank::DeutschebankPaymentsResponse = res
                .response
                .parse_struct("DeutschebankPaymentsAuthorizeResponse")
                .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<CompleteAuthorize, CompleteAuthorizeData, PaymentsResponseData>
    for Deutschebank
{
    fn get_headers(
        &self,
        req: &PaymentsCompleteAuthorizeRouterData,
        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: &PaymentsCompleteAuthorizeRouterData,
        connectors: &Connectors,
    ) -> CustomResult<String, errors::ConnectorError> {
        let event_id = req.connector_request_reference_id.clone();
        let tx_action = if req.request.is_auto_capture()? {
            "authorization"
        } else {
            "preauthorization"
        };

        if req.is_three_ds() && matches!(req.payment_method, enums::PaymentMethod::Card) {
            Ok(format!(
                "{}/services/v2.1//headless3DSecure/event/{event_id}/final",
                self.base_url(connectors)
            ))
        } else {
            Ok(format!(
                "{}/services/v2.1/payment/event/{event_id}/directdebit/{tx_action}",
                self.base_url(connectors)
            ))
        }
    }

    fn get_request_body(
        &self,
        req: &PaymentsCompleteAuthorizeRouterData,
        _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 = deutschebank::DeutschebankRouterData::from((amount, req));
        let connector_req =
            deutschebank::DeutschebankCompleteAuthorizeRequest::try_from(&connector_router_data)?;
        Ok(RequestContent::Json(Box::new(connector_req)))
    }

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

    fn handle_response(
        &self,
        data: &PaymentsCompleteAuthorizeRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<PaymentsCompleteAuthorizeRouterData, errors::ConnectorError> {
        let response: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("Deutschebank PaymentsCompleteAuthorizeResponse")
            .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 Deutschebank {
    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 tx_id = req
            .request
            .connector_transaction_id
            .get_connector_transaction_id()
            .change_context(errors::ConnectorError::MissingConnectorTransactionID)?;
        Ok(format!(
            "{}/services/v2.1/payment/tx/{tx_id}",
            self.base_url(connectors)
        ))
    }

    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: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("DeutschebankPaymentsSyncResponse")
            .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 Deutschebank {
    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 event_id = req.connector_request_reference_id.clone();
        let tx_id = req.request.connector_transaction_id.clone();
        Ok(format!(
            "{}/services/v2.1/payment/event/{event_id}/tx/{tx_id}/capture",
            self.base_url(connectors)
        ))
    }

    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 = deutschebank::DeutschebankRouterData::from((amount, req));
        let connector_req =
            deutschebank::DeutschebankCaptureRequest::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: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("Deutschebank 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,
        })
    }

    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 Deutschebank {
    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 event_id = req.connector_request_reference_id.clone();
        let tx_id = req.request.connector_transaction_id.clone();
        Ok(format!(
            "{}/services/v2.1/payment/event/{event_id}/tx/{tx_id}/reversal",
            self.base_url(connectors)
        ))
    }

    fn get_request_body(
        &self,
        req: &PaymentsCancelRouterData,
        _connectors: &Connectors,
    ) -> CustomResult<RequestContent, errors::ConnectorError> {
        let connector_req = deutschebank::DeutschebankReversalRequest::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: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("Deutschebank PaymentsCancelResponse")
            .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 Deutschebank {
    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 event_id = req.attempt_id.clone();
        let tx_id = req.request.connector_transaction_id.clone();
        Ok(format!(
            "{}/services/v2.1/payment/event/{event_id}/tx/{tx_id}/refund",
            self.base_url(connectors)
        ))
    }

    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 =
            deutschebank::DeutschebankRouterData::from((refund_amount, req));
        let connector_req =
            deutschebank::DeutschebankRefundRequest::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: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("DeutschebankPaymentsResponse")
            .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 Deutschebank {
    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 tx_id = req.request.get_connector_refund_id()?;
        Ok(format!(
            "{}/services/v2.1/payment/tx/{tx_id}",
            self.base_url(connectors)
        ))
    }

    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)?)
                .build(),
        ))
    }

    fn handle_response(
        &self,
        data: &RefundSyncRouterData,
        event_builder: Option<&mut ConnectorEvent>,
        res: Response,
    ) -> CustomResult<RefundSyncRouterData, errors::ConnectorError> {
        let response: deutschebank::DeutschebankPaymentsResponse = res
            .response
            .parse_struct("DeutschebankPaymentsResponse")
            .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 Deutschebank {
    fn get_webhook_object_reference_id(
        &self,
        _request: &webhooks::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<api_models::webhooks::ObjectReferenceId, errors::ConnectorError> {
        Err(report!(errors::ConnectorError::WebhooksNotImplemented))
    }

    fn get_webhook_event_type(
        &self,
        _request: &webhooks::IncomingWebhookRequestDetails<'_>,
        _context: Option<&webhooks::WebhookContext>,
    ) -> CustomResult<api_models::webhooks::IncomingWebhookEvent, errors::ConnectorError> {
        Err(report!(errors::ConnectorError::WebhooksNotImplemented))
    }

    fn get_webhook_resource_object(
        &self,
        _request: &webhooks::IncomingWebhookRequestDetails<'_>,
    ) -> CustomResult<Box<dyn hyperswitch_masking::ErasedMaskSerialize>, errors::ConnectorError>
    {
        Err(report!(errors::ConnectorError::WebhooksNotImplemented))
    }
}

static DEUTSCHEBANK_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::Visa,
            common_enums::CardNetwork::Mastercard,
        ];

        let mut deutschebank_supported_payment_methods = SupportedPaymentMethods::new();

        deutschebank_supported_payment_methods.add(
            enums::PaymentMethod::BankDebit,
            enums::PaymentMethodType::Sepa,
            PaymentMethodDetails {
                mandates: enums::FeatureStatus::Supported,
                refunds: enums::FeatureStatus::Supported,
                supported_capture_methods: supported_capture_methods.clone(),
                specific_features: None,
            },
        );

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

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

        deutschebank_supported_payment_methods
    });

static DEUTSCHEBANK_CONNECTOR_INFO: ConnectorInfo = ConnectorInfo {
    display_name: "Deutsche Bank",
    description:
        "Deutsche Bank is a German multinational investment bank and financial services company ",
    connector_type: enums::HyperswitchConnectorCategory::BankAcquirer,
    integration_status: enums::ConnectorIntegrationStatus::Sandbox,
};

static DEUTSCHEBANK_SUPPORTED_WEBHOOK_FLOWS: [enums::EventClass; 0] = [];

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

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

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