#!/usr/bin/env bash
# Read-only search for one request id in web, api, and caddy logs.
set -euo pipefail
set +x

if [ $# -lt 1 ] || [ $# -gt 3 ]; then
  echo "usage: find-request-log.sh <requestId> [--since 24h]" >&2
  exit 2
fi
request_id="$1"
shift
since="24h"
while [ $# -gt 0 ]; do
  case "$1" in
    --since)
      since="${2:-}"
      shift 2
      ;;
    *)
      echo "unknown argument" >&2
      exit 2
      ;;
  esac
done

[[ "$request_id" =~ ^[0-9a-fA-F]{8}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{4}-[0-9a-fA-F]{12}$ ]] || {
  echo "requestId must be a UUID" >&2
  exit 2
}
[[ "$since" =~ ^[1-9][0-9]{0,3}[smhd]$ ]] || {
  echo "since must look like 24h" >&2
  exit 2
}

log_dir="${JYOTISHA_LOG_DIR:-}"
if [ -n "$log_dir" ]; then
  [ -d "$log_dir" ] && [ ! -L "$log_dir" ] || {
    echo "log directory is unsafe" >&2
    exit 1
  }
  tmp="$(mktemp)"
  for service in web api caddy; do
    file="$log_dir/$service.log"
    [ -f "$file" ] && [ ! -L "$file" ] || continue
    grep -F -- "$request_id" "$file" >>"$tmp" || true
  done
  if [ -s "$tmp" ]; then
    grep -E '^[0-9]{4}-[0-9]{2}-[0-9]{2}T' "$tmp" | sort
  fi
  rm -f -- "$tmp"
  exit 0
fi

compose_dir="${JYOTISHA_COMPOSE_DIR:-/opt/jyotisha-production}"
docker compose -p jyotisha-production \
  --env-file "$compose_dir/.env.production" \
  -f "$compose_dir/deploy/docker-compose.server.yml" \
  -f "$compose_dir/deploy/docker-compose.postgres.yml" \
  -f "$compose_dir/deploy/docker-compose.production.yml" \
  logs --since "$since" --no-color --timestamps web api caddy |
  grep -F -- "$request_id" |
  sort