// This file is auto-generated. Do not edit manually.
// Replace YOUR_API_KEY and placeholder values with real data.
// Regenerate: python3 scripts/generate-connector-docs.py payu
//
// Payu — all scenarios and flows in one file.
// Run a scenario:  ./gradlew run --args="payu processCheckoutCard"

package examples.payu

import types.Payment.*
import types.PaymentMethods.*
import payments.PaymentClient
import payments.MerchantAuthenticationClient
import payments.RefundClient
import payments.AuthenticationType
import payments.CaptureMethod
import payments.Currency
import payments.ConnectorConfig
import payments.SdkOptions
import payments.Environment
import payments.ConnectorSpecificConfig
import types.Payment.PayuConfig
import payments.SecretString

val SUPPORTED_FLOWS = listOf<String>("authorize", "capture", "create_server_session_authentication_token", "get", "refund", "refund_get", "void")

val _defaultConfig: ConnectorConfig = ConnectorConfig.newBuilder()
    .setOptions(SdkOptions.newBuilder().setEnvironment(Environment.SANDBOX).build())
    .setConnectorConfig(
        ConnectorSpecificConfig.newBuilder()
            .setPayu(PayuConfig.newBuilder()
                .setApiKey(SecretString.newBuilder().setValue("YOUR_API_KEY").build())
                .setApiSecret(SecretString.newBuilder().setValue("YOUR_API_SECRET").build())
                .setBaseUrl("YOUR_BASE_URL")
                .build())
            .build()
    )
    .build()



private fun buildAuthorizeRequest(captureMethodStr: String): PaymentServiceAuthorizeRequest {
    return PaymentServiceAuthorizeRequest.newBuilder().apply {
        merchantTransactionId = "probe_txn_001"  // Identification.
        amountBuilder.apply {  // The amount for the payment.
            minorAmount = 1000L  // Amount in minor units (e.g., 1000 = $10.00).
            currency = Currency.USD  // ISO 4217 currency code (e.g., "USD", "EUR").
        }
        paymentMethodBuilder.apply {  // Payment method to be used.
            upiCollectBuilder.apply {  // UPI Collect.
                vpaIdBuilder.value = "test@upi"  // Virtual Payment Address.
            }
        }
        captureMethod = CaptureMethod.valueOf(captureMethodStr)  // Method for capturing the payment.
        addressBuilder.apply {  // Address Information.
            billingAddressBuilder.apply {
                firstNameBuilder.value = "John"  // Personal Information.
                emailBuilder.value = "test@example.com"  // Contact Information.
                phoneNumberBuilder.value = "4155552671"
                phoneCountryCode = "+1"
            }
        }
        authType = AuthenticationType.NO_THREE_DS  // Authentication Details.
        returnUrl = "https://example.com/return"  // URLs for Redirection and Webhooks.
        browserInfoBuilder.apply {
            ipAddress = "1.2.3.4"  // Device Information.
        }
    }.build()
}

private fun buildCaptureRequest(connectorTransactionIdStr: String): PaymentServiceCaptureRequest {
    return PaymentServiceCaptureRequest.newBuilder().apply {
        merchantCaptureId = "probe_capture_001"  // Identification.
        connectorTransactionId = connectorTransactionIdStr
        amountToCaptureBuilder.apply {  // Capture Details.
            minorAmount = 1000L  // Amount in minor units (e.g., 1000 = $10.00).
            currency = Currency.USD  // ISO 4217 currency code (e.g., "USD", "EUR").
        }
    }.build()
}

private fun buildGetRequest(connectorTransactionIdStr: String): PaymentServiceGetRequest {
    return PaymentServiceGetRequest.newBuilder().apply {
        merchantTransactionId = "probe_merchant_txn_001"  // Identification.
        connectorTransactionId = connectorTransactionIdStr
        amountBuilder.apply {  // Amount Information.
            minorAmount = 1000L  // Amount in minor units (e.g., 1000 = $10.00).
            currency = Currency.USD  // ISO 4217 currency code (e.g., "USD", "EUR").
        }
    }.build()
}

private fun buildRefundRequest(connectorTransactionIdStr: String): PaymentServiceRefundRequest {
    return PaymentServiceRefundRequest.newBuilder().apply {
        merchantRefundId = "probe_refund_001"  // Identification.
        connectorTransactionId = connectorTransactionIdStr
        paymentAmount = 1000L  // Amount Information.
        refundAmountBuilder.apply {
            minorAmount = 1000L  // Amount in minor units (e.g., 1000 = $10.00).
            currency = Currency.USD  // ISO 4217 currency code (e.g., "USD", "EUR").
        }
        reason = "customer_request"  // Reason for the refund.
    }.build()
}

private fun buildVoidRequest(connectorTransactionIdStr: String): PaymentServiceVoidRequest {
    return PaymentServiceVoidRequest.newBuilder().apply {
        merchantVoidId = "probe_void_001"  // Identification.
        connectorTransactionId = connectorTransactionIdStr
    }.build()
}

// Flow: PaymentService.Authorize (UpiCollect)
fun authorize(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = PaymentClient(config)
    val request = buildAuthorizeRequest("AUTOMATIC")
    val response = client.authorize(request)
    when (response.status.name) {
        "FAILED"  -> throw RuntimeException("Authorize failed: ${response.error.unifiedDetails.message}")
        "PENDING" -> println("Pending — await webhook before proceeding")
        else      -> println("Authorized: ${response.connectorTransactionId}")
    }
}

// Flow: PaymentService.Capture
fun capture(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = PaymentClient(config)
    val request = buildCaptureRequest("probe_connector_txn_001")
    val response = client.capture(request)
    if (response.status.name == "FAILED")
        throw RuntimeException("Capture failed: ${response.error.unifiedDetails.message}")
    println("Done: ${response.status.name}")
}

// Flow: MerchantAuthenticationService.CreateServerSessionAuthenticationToken
fun createServerSessionAuthenticationToken(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = MerchantAuthenticationClient(config)
    val request = MerchantAuthenticationServiceCreateServerSessionAuthenticationTokenRequest.newBuilder().apply {
        paymentBuilder.apply {  // PayoutSessionContext payout = 6; // future FrmSessionContext frm = 7; // future.
            amountBuilder.apply {
                minorAmount = 1000L  // Amount in minor units (e.g., 1000 = $10.00).
                currency = Currency.USD  // ISO 4217 currency code (e.g., "USD", "EUR").
            }
        }
    }.build()
    val response = client.create_server_session_authentication_token(request)
    println("Session token: ${response.sessionToken} (statusCode=${response.statusCode})")
}

// Flow: PaymentService.Get
fun get(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = PaymentClient(config)
    val request = buildGetRequest("probe_connector_txn_001")
    val response = client.get(request)
    println("Status: ${response.status.name}")
}

// Flow: PaymentService.Refund
fun refund(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = PaymentClient(config)
    val request = buildRefundRequest("probe_connector_txn_001")
    val response = client.refund(request)
    if (response.status.name == "FAILED")
        throw RuntimeException("Refund failed: ${response.error.unifiedDetails.message}")
    println("Done: ${response.status.name}")
}

// Flow: RefundService.Get
fun refundGet(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = RefundClient(config)
    val request = RefundServiceGetRequest.newBuilder().apply {
        merchantRefundId = "probe_refund_001"  // Identification.
        connectorTransactionId = "probe_connector_txn_001"
        refundId = "probe_refund_id_001"  // Deprecated.
    }.build()
    val response = client.refund_get(request)
    println("Status: ${response.status.name}")
}

// Flow: PaymentService.Void
fun void(txnId: String, config: ConnectorConfig = _defaultConfig) {
    val client = PaymentClient(config)
    val request = buildVoidRequest("probe_connector_txn_001")
    val response = client.void(request)
    if (response.status.name == "FAILED")
        throw RuntimeException("Void failed: ${response.error.unifiedDetails.message}")
    println("Done: ${response.status.name}")
}


fun main(args: Array<String>) {
    val txnId = "order_001"
    val flow = args.firstOrNull() ?: "authorize"
    when (flow) {
        "authorize" -> authorize(txnId)
        "capture" -> capture(txnId)
        "createServerSessionAuthenticationToken" -> createServerSessionAuthenticationToken(txnId)
        "get" -> get(txnId)
        "refund" -> refund(txnId)
        "refundGet" -> refundGet(txnId)
        "void" -> void(txnId)
        else -> System.err.println("Unknown flow: $flow. Available: authorize, capture, createServerSessionAuthenticationToken, get, refund, refundGet, void")
    }
}
