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

if [[ "$#" -ne 1 ]]; then
  echo "usage: journal-sync.sh journals/YYYY_MM_DD.md" >&2
  exit 64
fi

rel="$1"
if [[ ! "$rel" =~ ^journals/[0-9]{4}_[0-9]{2}_[0-9]{2}\.md$ ]]; then
  echo "refusing non-journal path: $rel" >&2
  exit 65
fi

vault="${PI_MEMO_VAULT:-$HOME/obsidian-vault}"
lock="$HOME/.local/state/obsidian-sync/git-sync.lock"
mkdir -p "$(dirname "$lock")"
exec 9>"$lock"
flock -w 30 9

cd "$vault"
git add -- "$rel"
if git diff --cached --quiet -- "$rel"; then
  echo "no journal changes to commit"
  exit 0
fi

git commit -m "journal: Pi Memo $(date +%Y-%m-%d-%H%M)" -- "$rel"

# The host's system SSH config may be managed outside this service. Keep the
# memo sync self-contained so unrelated ownership errors cannot block pushes.
export GIT_SSH_COMMAND="ssh -F $HOME/.ssh/config -i $HOME/.ssh/id_ed25519_gitea -o IdentitiesOnly=yes -o StrictHostKeyChecking=accept-new"
if ! git push origin main; then
  git pull --rebase origin main
  git push origin main
fi
echo "pushed $(git rev-parse --short HEAD)"