import { Body, Controller, Post, Req, UseInterceptors } from "@nestjs/common";
import { ApiExcludeController, ApiParam } from "@nestjs/swagger";
import type { CredentialResponse } from "@openid4vc/openid4vci";
import type { Request } from "express";
import { Oid4vciService } from "../../issuer/oid4vci/oid4vci.service";
import { Session } from "../../session/entities/session.entity";
import { SessionEntity } from "../../session/session.decorator";
import { SessionLogger } from "../../utils/logger//session-logger.decorator";
import { SessionLoggerInterceptor } from "../../utils/logger/session-logger.interceptor";
import { NotificationRequestDto } from "./dto/notification-request.dto";

/**
 * Controller for handling OID4VCI (OpenID for Verifiable Credential Issuance) requests.
 */
@ApiParam({ name: "session", required: true })
@ApiExcludeController(process.env.SWAGGER_ALL !== "true")
@Controller(":session/vci")
@UseInterceptors(SessionLoggerInterceptor)
export class Oid4vciController {
    constructor(private readonly oid4vciService: Oid4vciService) {}

    /**
     * Endpoint to issue credentials
     * @param req
     * @returns
     */
    @Post("credential")
    @SessionLogger("session", "OID4VCI")
    credential(
        @Req() req: Request,
        @SessionEntity() session: Session,
    ): Promise<CredentialResponse> {
        return this.oid4vciService.getCredential(req, session);
    }

    /**
     * Notification endpoint
     * @param body
     * @returns
     */
    @Post("notification")
    @SessionLogger("notification_id", "OID4VCI")
    notifications(
        @Body() body: NotificationRequestDto,
        @Req() req: Request,
        @SessionEntity() session: Session,
    ) {
        return this.oid4vciService.handleNotification(req, body, session);
    }

    @Post("nonce")
    @SessionLogger("nonce", "OID4VCI")
    nonce(@SessionEntity() session: Session) {
        return this.oid4vciService.nonceRequest(session);
    }

    //TODO: this endpoint may be relevant for the wallet attestation.
    /* @Get('session')
  session() {
    console.log('Session requested');
    //TODO store session and created at
    const session = randomUUID();
    return {
      session_id: session,
    };
  } */
}