#!/bin/bash

# Script to create and apply a ConfigMap from forward_addresses and forward_domains files
# Usage: ./tools/update-addresses.sh [--dry-run]

set -e

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
CONFIGMAP_NAME="exim-forwarder-config"
NAMESPACE="forwarder"

# Parse command line arguments
DRY_RUN_FLAG=""
if [[ "$1" == "--dry-run" ]]; then
    DRY_RUN_FLAG="--dry-run=client"
    echo "Running in dry-run mode..."
fi

# Check if files exist
if [[ ! -f "$SCRIPT_DIR/forward_addresses" ]]; then
    echo "Error: forward_addresses file not found"
    exit 1
fi

if [[ ! -f "$SCRIPT_DIR/forward_domains" ]]; then
    echo "Error: forward_domains file not found"
    exit 1
fi

echo "Creating ConfigMap '$CONFIGMAP_NAME'..."

# Create ConfigMap directly from files
kubectl create configmap "$CONFIGMAP_NAME" \
    --from-file=addresses="$SCRIPT_DIR/forward_addresses" \
    --from-file=domains="$SCRIPT_DIR/forward_domains" \
    --namespace="$NAMESPACE" \
    --dry-run=client -o yaml | kubectl apply $DRY_RUN_FLAG -f -

if [[ $? -eq 0 ]]; then
    echo "ConfigMap successfully applied!"
else
    echo "Failed to apply ConfigMap"
    exit 1
fi