#!/bin/sh
set -eu

repo_root=$(git rev-parse --show-toplevel)
branch=${1:-$(git symbolic-ref --quiet --short HEAD 2>/dev/null || true)}

case "$branch" in
  master)
    ;;
  *)
    exit 0
    ;;
esac

remote_host=${CPONE_REMOTE_HOST:-one@cpone.aplikasi.web.id}
remote_root=${CPONE_REMOTE_ROOT:-/home/one/project/one/one-api}
ssh_key=${CPONE_SSH_KEY:-/Users/fajrihardhitamurti/.ssh/id_rsa}

tmpdir=$(mktemp -d "${TMPDIR:-/tmp}/cpone-sync.XXXXXX")
trap 'rm -rf "$tmpdir"' EXIT HUP INT TERM

manifest="$tmpdir/files.list"
verify_list="$tmpdir/files.verify"

if git rev-parse --verify HEAD^ >/dev/null 2>&1; then
  git diff -M --name-only -z --diff-filter=ACMR HEAD^ HEAD > "$manifest"
else
  git ls-files -z > "$manifest"
fi

if [ ! -s "$manifest" ]; then
  exit 0
fi

ssh_args="-o BatchMode=yes"
if [ -f "$ssh_key" ]; then
  ssh_args="-i $ssh_key $ssh_args"
fi

ssh $ssh_args "$remote_host" "mkdir -p '$remote_root'" >/dev/null

# backup file lama sebelum upload (disimpan di folder yang sama dengan suffix timestamp)
ts=$(date +%Y%m%d_%H%M%S)
tr '\0' '\n' < "$manifest" | while IFS= read -r relpath; do
  [ -n "$relpath" ] || continue
  ssh $ssh_args "$remote_host" "
    src='$remote_root/$relpath'
    if [ -f \"\$src\" ]; then
      cp \"\$src\" \"\$src.$ts\"
    fi
  "
done

rsync -a --relative --from0 --files-from="$manifest" -e "ssh $ssh_args" "$repo_root"/ "$remote_host:$remote_root"/

tr '\0' '\n' < "$manifest" > "$verify_list"

while IFS= read -r relpath; do
  [ -n "$relpath" ] || continue
  ssh $ssh_args "$remote_host" "test -e '$remote_root/$relpath'" || {
    printf '%s\n' "cpone verify failed: missing $remote_root/$relpath" >&2
    exit 1
  }
done < "$verify_list"