#!/usr/bin/env bash

set -euo pipefail

PROJECT_ROOT="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
LOG_DIR="$PROJECT_ROOT/logs"
PID_FILE="$LOG_DIR/ihm_client_dev3.front.pid"
LOG_FILE="$LOG_DIR/ihm_client_dev3.front.log"
PORT=3004

mkdir -p "$LOG_DIR"

echo "[deploy] Ensuring nothing listens on :$PORT..."
if ss -ltnp | grep -q ":$PORT"; then
  # Extract PID(s) for the port
  PIDS=$(ss -ltnp | awk -v p=":$PORT" '$0 ~ p {print $NF}' | sed -E 's/.*pid=([0-9]+).*/\1/' | sort -u)
  for PID in $PIDS; do
    if [[ "$PID" =~ ^[0-9]+$ ]]; then
      echo "[deploy] Killing PID $PID on port $PORT"
      kill -TERM "$PID" || true
      # Wait up to 10s for process to exit
      for i in {1..10}; do
        if ! ps -p "$PID" >/dev/null 2>&1; then break; fi
        sleep 1
      done
      if ps -p "$PID" >/dev/null 2>&1; then
        echo "[deploy] Force killing PID $PID"
        kill -KILL "$PID" || true
      fi
    fi
  done
fi

echo "[deploy] Cleaning Vite caches and previous dist..."
rm -rf "$PROJECT_ROOT/node_modules/.vite" "$PROJECT_ROOT/.vite" "$PROJECT_ROOT/dist"

echo "[deploy] Building production bundle..."
cd "$PROJECT_ROOT"
npm run build

echo "[deploy] Starting Vite dev server on :$PORT (non-bloquant) ..."
if [[ -f "$PID_FILE" ]]; then
  # Clean stale PID file if any
  OLD_PID=$(cat "$PID_FILE" || true)
  if [[ -n "${OLD_PID}" ]] && ps -p "$OLD_PID" >/dev/null 2>&1; then
    echo "[deploy] Previous PID $OLD_PID still running, terminating"
    kill -TERM "$OLD_PID" || true
  fi
  rm -f "$PID_FILE"
fi

nohup npm run start >"$LOG_FILE" 2>&1 &
NEW_PID=$!
echo "$NEW_PID" > "$PID_FILE"

echo "[deploy] Launched PID $NEW_PID. Tail logs: tail -f $LOG_FILE"

echo "[deploy] Verifying port $PORT availability..."
for i in {1..10}; do
  if ss -ltnp | grep -q ":$PORT"; then
    echo "[deploy] OK: port $PORT is listening."
    exit 0
  fi
  sleep 1
done

echo "[deploy] ERROR: port $PORT not listening after start. Check $LOG_FILE"
exit 1