#!/usr/bin/env bash
set -euo pipefail

DST="/opt/hx-ki/com2-stack/docker-compose.yml"
[ -f "$DST" ] || { echo "FEHLT: $DST"; exit 1; }

pick_src() {
  # 1) COM2 Backups (neueste zuerst)
  for f in $(ls -1t /opt/hx-ki/com2-stack/docker-compose.yml.bak.* 2>/dev/null); do
    grep -qE '^[[:space:]]{2}hxki-web:[[:space:]]*$' "$f" && { echo "$f"; return 0; }
  done

  # 2) COM-Stack
  for f in /opt/hx-ki/com-stack/docker-compose.yml /opt/hx-ki/com-stack/docker-compose.yml.bak.*; do
    [ -f "$f" ] || continue
    grep -qE '^[[:space:]]{2}hxki-web:[[:space:]]*$' "$f" && { echo "$f"; return 0; }
  done

  # 3) docker Backups
  for f in /opt/hx-ki/docker/docker-compose.yml*; do
    [ -f "$f" ] || continue
    grep -qE '^[[:space:]]{2}hxki-web:[[:space:]]*$' "$f" && { echo "$f"; return 0; }
  done

  return 1
}

SRC="$(pick_src)"
[ -n "$SRC" ] || { echo "FAIL: Keine Quelle mit hxki-web gefunden"; exit 1; }

export SRC DST

echo "=== COM2 RESTORE hxki-web ==="
echo "SRC=$SRC"
echo "DST=$DST"

python3 <<'PY'
import re, pathlib, os

src = pathlib.Path(os.environ["SRC"]).read_text()
dstp = pathlib.Path(os.environ["DST"])
dst = dstp.read_text()

m = re.search(r'(?ms)^services:\s*\n(.*?)(?=^\S|\Z)', src)
if not m:
    raise SystemExit("FEHLT: services: im Source")

block = m.group(1)

pat = r'(?ms)^\s{2}hxki-web:\s*\n(?:^\s{4}.*\n|^\s{6}.*\n|^\s{8}.*\n|^\s*\n)*?(?=^\s{2}[A-Za-z0-9_.-]+:\s*$|\Z)'
mm = re.search(pat, block)
if not mm:
    raise SystemExit("FEHLT: hxki-web Block")

web = mm.group(0)

if 'hxki-web:' in dst:
    print("OK: hxki-web bereits vorhanden")
    raise SystemExit(0)

dst = re.sub(r'(?m)^(services:\s*\n)', r'\1' + web + '\n', dst, count=1)
dstp.write_text(dst)

print("OK: hxki-web eingefügt")
PY

docker compose -f "$DST" config >/dev/null
echo "OK: Compose valide."