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

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

echo "=== COM2: PURGE GRAFANA (service + volume + refs) ==="

# Orchester runter (sauber)
docker compose down || true

python3 - <<'PY'
import re, pathlib

p = pathlib.Path("/opt/hx-ki/com2-stack/docker-compose.yml")
s = p.read_text()

def drop_service_block(text: str, names):
    # Entfernt Service-Blöcke unter "services:" bei 2-space indentation
    for name in names:
        pat = rf'(?ms)^\s{{2}}{re.escape(name)}:\s*\n(?:^\s{{4}}.*\n|^\s{{6}}.*\n|^\s{{8}}.*\n|^\s*\n)*?(?=^\s{{2}}[A-Za-z0-9_.-]+:\s*$|\Z)'
        text = re.sub(pat, '', text)
    return text

# 1) Service-Blöcke raus
s = drop_service_block(s, ["grafana", "hxki-grafana"])

# 2) Volume-Definition grafana_data raus (unter volumes:)
s = re.sub(r'(?ms)^\s{2}grafana_data:\s*\n(?:^\s{4}.*\n|^\s*\n)*?(?=^\s{2}[A-Za-z0-9_.-]+:\s*$|\Z)', '', s)

# 3) Alle Referenzen/Mounts auf grafana_data raus (Listenform & mapping form)
s = re.sub(r'(?m)^\s*-\s*grafana_data(?::[^\n]*)?\s*$', '', s)          # "- grafana_data:..."
s = re.sub(r'(?m)^\s*grafana_data:\s*\n(?:^\s+.*\n)*', '', s)           # mapping "grafana_data:\n  ..."

# 4) Leere "volumes:" Sektion aufräumen (falls komplett leer)
s = re.sub(r'(?ms)^\s*volumes:\s*\n(?=(\s*\n|\s*#.*\n)*\Z)', '', s)

p.write_text(s)
print("OK: Grafana (services/volume/refs) komplett entfernt.")
PY

echo "[VALIDATE]"
docker compose config >/dev/null
echo "OK: Compose ist valide."

echo "[UP]"
docker compose up -d --remove-orphans

echo "=== STATUS ==="
docker ps --format 'NAME={{.Names}}  STATUS={{.Status}}  PORTS={{.Ports}}'
echo "=== HXKI-INTERNAL ==="
docker network inspect hxki-internal --format '{{range $id,$c := .Containers}}{{println $c.Name}}{{end}}' | sort
echo "=== ENDE ==="