const functions = require("firebase-functions");
const admin = require("firebase-admin");
admin.initializeApp(functions.config().firebase);

// On sign up.
exports.processSignUp = functions.auth.user().onCreate((user) => {
  // Check if user meets role criteria:
  // Your custom logic here: to decide what roles and other `x-hasura-*` should the user get
  let customClaims;
  if (user.email && user.email.indexOf("@admin.imex.online") !== -1) {
    customClaims = {
      "https://hasura.io/jwt/claims": {
        "x-hasura-default-role": "admin",
        "x-hasura-allowed-roles": ["user", "admin"],
        "x-hasura-user-id": user.uid
      }
    };
  } else {
    customClaims = {
      "https://hasura.io/jwt/claims": {
        "x-hasura-default-role": "user",
        "x-hasura-allowed-roles": ["user"],
        "x-hasura-user-id": user.uid
      }
    };
  }

  // Set custom user claims on this newly created user.
  return admin.auth().setCustomUserClaims(user.uid, customClaims);
});