#!/bin/bash
# This script will delete all service accounts in a project

# List all projects and store them in an array
PROJECTS=($(gcloud projects list --format="value(projectId)"))
# Print the array with indices
echo "Available projects:"
for i in "${!PROJECTS[@]}"
do
  echo "$i) ${PROJECTS[$i]}"
done
# Prompt the user to enter an index
read -p "Enter the index of the project you want to delete all service accounts for: " INDEX
# Validate the input
if [[ $INDEX =~ ^[0-9]+$ ]] && [ $INDEX -ge 0 ] && [ $INDEX -lt ${#PROJECTS[@]} ]
then
  # Get the project ID from the array
  PROJECT_ID=${PROJECTS[$INDEX]}
  # List all service accounts for the project and store them in an array
  SERVICE_ACCOUNTS=($(gcloud iam service-accounts list --project $PROJECT_ID --format="value(email)"))
  # Loop over the array and delete each service account
  for SA in "${SERVICE_ACCOUNTS[@]}"
  do
    echo "Deleting service account $SA"
    gcloud iam service-accounts delete $SA --quiet
  done
else
  # Invalid input
  echo "Invalid index. Please try again."
fi