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

if [[ $# -ne 1 ]]; then
    echo "Usage: pipo-undeploy <name|agent/site>" >&2
    exit 1
fi

target="$1"
path="$(
TARGET="$target" python3 - <<'PY'
import os
import re

target = os.environ["TARGET"].strip()

def sanitize_segment(value: str) -> str:
    value = value.lower()
    value = re.sub(r"[^a-z0-9]+", "-", value)
    return value.strip("-")

if "/" in target:
    raw_parts = [part for part in target.strip("/").split("/") if part]
    parts = [sanitize_segment(part) for part in raw_parts]
    parts = [part for part in parts if part]
    if not parts:
        raise SystemExit(1)
    print("/" + "/".join(parts) + "/")
else:
    name = sanitize_segment(target)
    if not name:
        raise SystemExit(1)
    print(f"/preview/{name}/")
PY
)" || {
    echo "Name cannot be empty." >&2
    exit 1
}

if [[ "$path" == "/" ]]; then
    echo "Refusing to remove /." >&2
    exit 1
fi

"/home/ubuntu/.local/bin/openclaw-serve-guard"

serve_json="$(tailscale serve status --json 2>/dev/null || printf '{}\n')"

path_exists="$(
python3 -c '
import json
import sys

path = sys.argv[1]
try:
    data = json.load(sys.stdin)
except json.JSONDecodeError:
    data = {}

web = data.get("Web", {}) if isinstance(data, dict) else {}
handlers = {}
if isinstance(web, dict) and web:
    _, host_cfg = next(iter(web.items()))
    handlers = host_cfg.get("Handlers", {}) if isinstance(host_cfg, dict) else {}

print("1" if path in handlers else "0")
' "$path" <<<"$serve_json"
)"

if [[ "$path_exists" == "1" ]]; then
    tailscale serve --bg --set-path "$path" off >/dev/null 2>&1 || true
fi

echo "Removed $path"