#!/bin/bash
set -euo pipefail

# ==============================================================================
# SAQEL PLATFORM - DEPLOY & GIT SYNCHRONIZATION SCRIPT
# ==============================================================================

if [ -n "${1:-}" ]; then
  COMMIT_MSG="$1"
else
  COMMIT_MSG="Update Saqel Platform: $(date +'%Y-%m-%d %H:%M:%S')"
fi

echo "📦 Staging all files..."
git add .

echo "📝 Committing: $COMMIT_MSG"
if git diff --cached --quiet; then
  echo "ℹ️ No staged changes to commit."
else
  git commit -m "$COMMIT_MSG"
fi

echo "🚀 Pushing to origin..."
git push origin main
echo "✅ Done! On the production server run:"
echo "   git pull"
echo "   (and if websocket server changed: php backend/websocket/server.php restart -d)"

# Optional remote continuation. Never guesses a host and never applies DDL
# unless the operator explicitly opts in after seeing status and dry-run.
if [ -n "${DEPLOY_SSH_TARGET:-}" ]; then
  APP_DIR="${DEPLOY_APP_DIR:-/var/www/saqel}"
  echo "🔐 Updating remote work tree: ${DEPLOY_SSH_TARGET}:${APP_DIR}"
  ssh "$DEPLOY_SSH_TARGET" "cd $(printf '%q' "$APP_DIR") && git pull --ff-only origin main"
  echo "🔎 Remote migration status"
  ssh "$DEPLOY_SSH_TARGET" "cd $(printf '%q' "$APP_DIR") && php backend/scripts/run_migrations.php --status"
  echo "🧪 Remote migration dry-run"
  ssh "$DEPLOY_SSH_TARGET" "cd $(printf '%q' "$APP_DIR") && php backend/scripts/run_migrations.php --dry-run"
  if [ "${DEPLOY_RUN_MIGRATIONS:-0}" = "1" ]; then
    echo "🚧 Applying remote migrations by explicit opt-in"
    ssh "$DEPLOY_SSH_TARGET" "cd $(printf '%q' "$APP_DIR") && php backend/scripts/run_migrations.php"
  else
    echo "⏸️ Migrations were not applied. Set DEPLOY_RUN_MIGRATIONS=1 after reviewing dry-run."
  fi
fi