#!/bin/bash
# git-sync-job.sh v2 - deploy upstream, verify, roll back on failure.
# Pull: if upstream moved -> deploy + clearcache + verify key routes; rollback on failure.
# Push: if local pages edits exist -> commit + push (VpEngOps identity).
cd /app/data/user || exit 1
GIT=/usr/bin/git
BASE="https://${CLOUDRON_APP_DOMAIN}"
PORT="${CLOUDRON_APP_PORT:-80}"
verify() { # returns 0 if key routes answer 200
  sleep 2
  for r in / /shop; do
    code=$(curl -s -o /dev/null -w '%{http_code}' -m 10 "http://127.0.0.1:${PORT}${r}" 2>/dev/null)
    [ "$code" != "200" ] && { echo "$(date -u +%FT%TZ) ALARM: route $r -> $code after deploy"; return 1; }
  done
  return 0
}
$GIT fetch origin main 2>/dev/null || exit 0
LOCAL=$($GIT rev-parse HEAD 2>/dev/null || echo none)
REMOTE=$($GIT rev-parse origin/main 2>/dev/null || echo none)
if [ "$LOCAL" != "$REMOTE" ]; then
  if [ "$LOCAL" = "none" ]; then
    $GIT checkout -f -B main origin/main || exit 0
  else
    PREV=$LOCAL
    $GIT reset --hard origin/main || exit 0
  fi
  $GIT clean -fdq pages/ 2>/dev/null
  cd /app/code && php bin/grav clearcache >/dev/null 2>&1; cd /app/data/user
  if ! verify; then
    if [ -n "${PREV:-}" ]; then
      $GIT reset --hard "$PREV" && $GIT clean -fdq pages/ 2>/dev/null
      cd /app/code && php bin/grav clearcache >/dev/null 2>&1
      echo "$(date -u +%FT%TZ) rolled back to $PREV"
    fi
    exit 1
  fi
  echo "$(date -u +%FT%TZ) deployed $REMOTE"
  exit 0
fi
if ! $GIT diff --quiet || ! $GIT diff --cached --quiet; then
  $GIT add pages/
  $GIT -c user.name=VpEngOps -c user.email=tsgstaff-coo-vpengops@turnsys.com commit -qm '(Grav site) content changes' || exit 0
fi
$GIT push origin main 2>/dev/null && echo "$(date -u +%FT%TZ) pushed" || true