Clean Up Resources

# Get bucket names from outputs
FRONTEND_BUCKET=$(aws cloudformation describe-stacks \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1 \
  --query 'Stacks[0].Outputs[?OutputKey==`FrontendBucketName`].OutputValue' \
  --output text)

# Delete all objects in frontend bucket
aws s3 rm s3://$FRONTEND_BUCKET --recursive --region ap-southeast-1

# If backend bucket exists
BACKEND_BUCKET="workshop-aws-dev-backend-$(aws sts get-caller-identity --query Account --output text)-ap-southeast-1"
aws s3 rm s3://$BACKEND_BUCKET --recursive --region ap-southeast-1 2>/dev/null || true

cd aws
deploy.bat delete

cd aws
./deploy.sh delete

aws cloudformation delete-stack \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1

# Check status
aws cloudformation describe-stacks \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1 \
  --query 'Stacks[0].StackStatus'

# Wait for stack deletion (may take 10-15 minutes)
aws cloudformation wait stack-delete-complete \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1

# Should not see workshop VPC
aws ec2 describe-vpcs \
  --filters "Name=tag:aws:cloudformation:stack-name,Values=workshop-aws-dev" \
  --region ap-southeast-1

# Should not see workshop instances
aws ec2 describe-instances \
  --filters "Name=tag:aws:cloudformation:stack-name,Values=workshop-aws-dev" \
  --region ap-southeast-1 \
  --query 'Reservations[*].Instances[*].[InstanceId,State.Name]'

# Should not see RDS instance (may have snapshot)
aws rds describe-db-instances \
  --region ap-southeast-1 \
  --query 'DBInstances[?DBInstanceIdentifier==`workshop-aws-dev-db`]'

# Buckets should be deleted
aws s3 ls | grep workshop-aws-dev

# List snapshots
aws rds describe-db-snapshots \
  --region ap-southeast-1 \
  --query 'DBSnapshots[?contains(DBSnapshotIdentifier,`workshop-aws-dev`)].DBSnapshotIdentifier'

# Delete snapshot
aws rds delete-db-snapshot \
  --db-snapshot-identifier <snapshot-id> \
  --region ap-southeast-1

# List log groups
aws logs describe-log-groups \
  --log-group-name-prefix "/aws/workshop-aws" \
  --region ap-southeast-1

# Delete log groups
aws logs delete-log-group \
  --log-group-name "/aws/workshop-aws/dev/application" \
  --region ap-southeast-1

aws ec2 delete-key-pair \
  --key-name workshop-aws-key \
  --region ap-southeast-1

# Delete local .pem file
rm workshop-aws-key.pem

aws cloudformation describe-stack-events \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1 \
  --query 'StackEvents[?ResourceStatus==`DELETE_FAILED`].[LogicalResourceId,ResourceStatusReason]' \
  --output table

# Retain problematic resources and delete stack
aws cloudformation delete-stack \
  --stack-name workshop-aws-dev \
  --region ap-southeast-1 \
  --retain-resources <ResourceLogicalId>

# Then delete resources manually