#!/usr/bin/env bash
# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
set -euo pipefail

# cluster-info.sh - Get detailed information about a DSQL cluster
#
# Usage: ./cluster-info.sh CLUSTER_IDENTIFIER [--region REGION]
#
# Examples:
#   ./cluster-info.sh abc123def456
#   ./cluster-info.sh abc123def456 --region us-west-2

if [[ $# -lt 1 ]]; then
  echo "Usage: $0 CLUSTER_IDENTIFIER [--region REGION]"
  echo ""
  echo "Get detailed information about an Aurora DSQL cluster."
  echo ""
  echo "Arguments:"
  echo "  CLUSTER_IDENTIFIER  The cluster identifier"
  echo ""
  echo "Options:"
  echo "  --region REGION     AWS region (default: \$AWS_REGION or us-east-1)"
  exit 1
fi

CLUSTER_ID="$1"
shift

REGION="${REGION:-${AWS_REGION:-us-east-1}}"

# Parse remaining arguments
while [[ $# -gt 0 ]]; do
  case $1 in
    --region)
      REGION="$2"
      shift 2
      ;;
    *)
      echo "Unknown option: $1"
      exit 1
      ;;
  esac
done

echo "Fetching cluster information for: $CLUSTER_ID"
echo ""

# Get cluster details — capture output first so AWS CLI failures aren't hidden by the pipe
CLUSTER_JSON=$(aws dsql get-cluster \
  --identifier "$CLUSTER_ID" \
  --region "$REGION" \
  --output json)

echo "$CLUSTER_JSON" | jq '{
    identifier: .identifier,
    endpoint: .endpoint,
    arn: .arn,
    status: .status,
    creationTime: .creationTime,
    deletionProtectionEnabled: .deletionProtectionEnabled,
    tags: .tags
  }'

echo ""
echo "To connect with psql:"
echo "export CLUSTER=$CLUSTER_ID"
echo "export REGION=$REGION"
echo "./scripts/psql-connect.sh"