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

PROJECT_ROOT="$(cd "$(dirname "$0")" && pwd)"
export PATH="$HOME/.local/go/bin:$PATH"

echo "Project root: $PROJECT_ROOT"

# Stop any existing dev servers first
if [ -x "$PROJECT_ROOT/stop-dev.sh" ]; then
  echo "Stopping existing dev servers..."
  "$PROJECT_ROOT/stop-dev.sh" || true
fi

cd "$PROJECT_ROOT"

echo "Starting backend..."
if [ -f filebrowser.log ]; then
  mv filebrowser.log filebrowser.log.$(date +%s)
fi
nohup go run main.go > filebrowser.log 2>&1 &
backend_pid=$!
echo $backend_pid > filebrowser.pid
echo "Backend pid: $backend_pid"

echo "Waiting for backend to listen on 127.0.0.1:8080..."
for i in $(seq 1 15); do
  if ss -ltn | grep -q "127.0.0.1:8080"; then
    echo "Backend listening."
    break
  fi
  sleep 1
done

echo "Starting frontend (Vite)..."
if [ ! -d "$PROJECT_ROOT/frontend" ]; then
  echo "ERROR: frontend directory not found: $PROJECT_ROOT/frontend"
  exit 1
fi
cd "$PROJECT_ROOT/frontend"

if [ ! -d node_modules ]; then
  if command -v pnpm >/dev/null 2>&1; then
    pnpm install --no-audit --no-fund
  else
    npm install --no-audit --no-fund
  fi
fi

if [ -f "$PROJECT_ROOT/frontend-dev.log" ]; then
  mv "$PROJECT_ROOT/frontend-dev.log" "$PROJECT_ROOT/frontend-dev.log.$(date +%s)"
fi

if command -v pnpm >/dev/null 2>&1; then
  nohup pnpm run dev > "$PROJECT_ROOT/frontend-dev.log" 2>&1 &
  frontend_pid=$!
else
  nohup npm run dev > "$PROJECT_ROOT/frontend-dev.log" 2>&1 &
  frontend_pid=$!
fi
echo $frontend_pid > "$PROJECT_ROOT/frontend.pid"
echo "Frontend pid: $frontend_pid"

echo "Waiting for frontend on 5173..."
for i in $(seq 1 10); do
  if ss -ltn | grep -q ":5173"; then
    echo "Frontend listening."
    break
  fi
  sleep 1
done

echo "Started. Backend logs: $PROJECT_ROOT/filebrowser.log"
echo "Frontend logs: $PROJECT_ROOT/frontend-dev.log"
echo "Open http://localhost:5173/ to use the dev UI"