import type { V1CredentialProtocol } from '../V1CredentialProtocol'
import type { MessageHandler, MessageHandlerInboundMessage, CredentialExchangeRecord } from '@aries-framework/core'

import { getOutboundMessageContext } from '@aries-framework/core'

import { V1OfferCredentialMessage } from '../messages'

export class V1OfferCredentialHandler implements MessageHandler {
  private credentialProtocol: V1CredentialProtocol
  public supportedMessages = [V1OfferCredentialMessage]

  public constructor(credentialProtocol: V1CredentialProtocol) {
    this.credentialProtocol = credentialProtocol
  }

  public async handle(messageContext: MessageHandlerInboundMessage<V1OfferCredentialHandler>) {
    const credentialRecord = await this.credentialProtocol.processOffer(messageContext)

    const shouldAutoRespond = await this.credentialProtocol.shouldAutoRespondToOffer(messageContext.agentContext, {
      credentialRecord,
      offerMessage: messageContext.message,
    })

    if (shouldAutoRespond) {
      return await this.acceptOffer(credentialRecord, messageContext)
    }
  }

  private async acceptOffer(
    credentialRecord: CredentialExchangeRecord,
    messageContext: MessageHandlerInboundMessage<V1OfferCredentialHandler>
  ) {
    messageContext.agentContext.config.logger.info(`Automatically sending request with autoAccept`)
    const { message } = await this.credentialProtocol.acceptOffer(messageContext.agentContext, { credentialRecord })

    return getOutboundMessageContext(messageContext.agentContext, {
      connectionRecord: messageContext.connection,
      message,
      associatedRecord: credentialRecord,
      lastReceivedMessage: messageContext.message,
    })
  }
}