delete.ts

import { onCall, HttpsError } from "firebase-functions/v2/https";
import * as admin from "firebase-admin";
import * as logger from "firebase-functions/logger";

export const deleteUserFirestoreData = onCall({
        cors: true,
        maxInstances: 10,
        region: "asia-northeast3"
    },
    async (request) => {
        if (!request.auth?.uid) {
            logger.error("deleteUserFirestoreData called without authenticated uid", {
                auth: request.auth ?? null
            });
            throw new HttpsError("unauthenticated", "로그인 필요");
        }

        const uid = request.auth.uid;

        try {
            const userDocRef = admin.firestore().doc(`users/${uid}`);
            await admin.firestore().recursiveDelete(userDocRef);

            // Firestore의 recursiveDelete API 사용 (firebase-tools v9.12.0+)
            // 실제로는 admin SDK엔 없고, 아래처럼 functions에서 사용할 수 있음
            // https://firebase.google.com/docs/firestore/solutions/delete-collections?hl=ko#cloud-functions
            // @ts-ignore
            return { success: true }
        } catch (err: any) {
            throw new HttpsError("internal", `삭제 중 오류: ${err.message || err}`);
        }
    }
);