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

HOST="${1:-ops-jrz1}"

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

echo "== Local working tree =="
git status -sb

echo

echo "== Commits ahead of origin/main =="
if git rev-parse --verify origin/main >/dev/null 2>&1; then
  git log --oneline origin/main..HEAD || true
else
  echo "origin/main not found (run: git fetch origin)"
fi

echo

echo "== Local HEAD =="
local_head="$(git rev-parse HEAD)"
echo "$local_head"

echo

echo "== Remote configuration revision ($HOST) =="
remote_rev="$(ssh "root@${HOST}" 'nixos-version --configuration-revision' || true)"
if [[ -z "$remote_rev" || "$remote_rev" == "" ]]; then
  echo "(empty)"
else
  echo "$remote_rev"
fi

echo

echo "== Comparison =="
if [[ -n "$remote_rev" && "$remote_rev" == "$local_head" ]]; then
  echo "OK: remote matches local HEAD"
else
  echo "NOTE: remote does not match local HEAD"
  echo "Remote: ${remote_rev:-<empty>}"
  echo "Local:  $local_head"
fi

echo

echo "== Remote current system =="
ssh "root@${HOST}" 'readlink /run/current-system'

echo

echo "== Musiclink local repo HEAD =="
musiclink_repo="/home/dan/proj/musiclink"
if [[ -d "$musiclink_repo/.git" ]]; then
  git -C "$musiclink_repo" rev-parse HEAD
else
  echo "(missing $musiclink_repo)"
fi

echo

echo "== Musiclink flake.lock rev =="
python3 - <<'PY'
import json
from pathlib import Path
lock_path = Path("flake.lock")
try:
    data = json.loads(lock_path.read_text())
    rev = data["nodes"]["musiclink"]["locked"].get("rev")
    print(rev or "(missing rev)")
except Exception as exc:
    print(f"(error reading flake.lock: {exc})")
PY

echo

echo "== Musiclink running ExecStart =="
ssh "root@${HOST}" 'systemctl show -p ExecStart musiclink --value'