#!/usr/bin/env bash
# =============================================================================
# view-logs.sh — tail Caddy access logs from the VM.
#
# Usage:
#   ./scripts/view-logs.sh           # tail -f the access log
#   ./scripts/view-logs.sh recent    # last 50 entries as pretty JSON
# =============================================================================

set -euo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
ROOT_DIR="$(cd "$SCRIPT_DIR/.." && pwd)"
cd "$ROOT_DIR"

[ -f .env ] || { echo "ERROR: .env not found"; exit 1; }
set -a; source .env; set +a

: "${OCI_VM_NAME:=sk1-expense-tracker}"
: "${OCI_SSH_PRIVATE_KEY_PATH:=$HOME/.ssh/id_ed25519}"
OCI_SSH_PRIVATE_KEY_PATH="${OCI_SSH_PRIVATE_KEY_PATH/#\~/$HOME}"

TENANCY_OCID="$(oci iam compartment list --query 'data[0]."compartment-id"' --raw-output)"
COMPARTMENT_ID="${OCI_COMPARTMENT_ID:-$TENANCY_OCID}"
INSTANCE_ID="$(oci compute instance list --compartment-id "$COMPARTMENT_ID" \
  --display-name "$OCI_VM_NAME" --lifecycle-state RUNNING \
  --query 'data[0].id' --raw-output)"
VNIC_ID="$(oci compute instance list-vnics --instance-id "$INSTANCE_ID" --query 'data[0].id' --raw-output)"
PUBLIC_IP="$(oci network vnic get --vnic-id "$VNIC_ID" --query 'data."public-ip"' --raw-output)"

MODE="${1:-tail}"
case "$MODE" in
  recent)
    ssh -i "$OCI_SSH_PRIVATE_KEY_PATH" -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
      ubuntu@"$PUBLIC_IP" 'tail -n 50 /opt/sk1/logs/caddy/access.log | (command -v jq >/dev/null && jq . || cat)'
    ;;
  tail|*)
    ssh -i "$OCI_SSH_PRIVATE_KEY_PATH" -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
      ubuntu@"$PUBLIC_IP" 'tail -f /opt/sk1/logs/caddy/access.log'
    ;;
esac