@echo off
title QQuiz - Starting Application
color 0A

echo.
echo ========================================
echo   QQuiz - Auto Deploy Script
echo ========================================
echo.

cd /d "%~dp0"

REM Check if .env exists
if not exist ".env" (
    echo ERROR: .env file not found!
    echo Please run setup.bat first
    pause
    exit /b 1
)

echo [1/7] Checking Python...
python --version >nul 2>&1
if %errorlevel% neq 0 (
    echo ERROR: Python not found!
    echo Please install Python 3.11+ from https://www.python.org/
    pause
    exit /b 1
)
echo OK - Python installed
echo.

echo [2/7] Checking Node.js...
node --version >nul 2>&1
if %errorlevel% neq 0 (
    echo ERROR: Node.js not found!
    echo Please install Node.js 18+ from https://nodejs.org/
    pause
    exit /b 1
)
echo OK - Node.js installed
echo.

echo [3/7] Creating PostgreSQL database...
echo.
echo Please enter PostgreSQL admin password when prompted
echo (Default password is usually: postgres)
echo.

set PGPASSWORD=postgres
psql -U postgres -h localhost -c "DROP DATABASE IF EXISTS qquiz_db;" 2>nul
psql -U postgres -h localhost -c "DROP USER IF EXISTS qquiz;" 2>nul
psql -U postgres -h localhost -c "CREATE USER qquiz WITH PASSWORD 'qquiz_password';" 2>nul
psql -U postgres -h localhost -c "CREATE DATABASE qquiz_db OWNER qquiz;" 2>nul

echo Database setup complete
echo.

echo [4/7] Installing backend dependencies...
cd backend

if not exist "venv" (
    python -m venv venv
)

call venv\Scripts\activate.bat
pip install -q -r requirements.txt -i https://pypi.tuna.tsinghua.edu.cn/simple

echo Backend dependencies installed
echo.

echo [5/7] Running database migrations...
alembic upgrade head 2>nul

cd ..
echo.

echo [6/7] Installing frontend dependencies...
cd frontend

if not exist "node_modules" (
    call npm config set registry https://registry.npmmirror.com
    call npm install --silent
)

cd ..
echo.

echo [7/7] Starting services...
echo.

start "QQuiz Backend" cmd /k "cd /d %~dp0backend && call venv\Scripts\activate.bat && echo Backend API: http://localhost:8000 && echo API Docs: http://localhost:8000/docs && echo. && uvicorn main:app --reload"

timeout /t 5 /nobreak >nul

start "QQuiz Frontend" cmd /k "cd /d %~dp0frontend && echo Frontend: http://localhost:3000 && echo. && npm start"

timeout /t 3 /nobreak >nul

echo.
echo ========================================
echo   SUCCESS! QQuiz is starting...
echo ========================================
echo.
echo Frontend: http://localhost:3000
echo Backend:  http://localhost:8000
echo API Docs: http://localhost:8000/docs
echo.
echo Default login:
echo   Username: admin
echo   Password: admin123
echo.
echo ========================================
echo.

timeout /t 5 /nobreak >nul
start http://localhost:3000

echo System is running...
echo Close backend and frontend windows to stop
echo.
pause