@echo off
setlocal
chcp 65001 >nul
title Jarvis Start

set "ROOT=%~dp0"
set "BACKEND_DIR=%ROOT%backend"
set "FRONTEND_DIR=%ROOT%frontend"
set "LOG_DIR=%ROOT%logs"
set "PROJECT_ENV=%ROOT%.env"
if not exist "%LOG_DIR%" mkdir "%LOG_DIR%"

echo ==========================================
echo   Jarvis - Quick Start
echo ==========================================
echo.

where uv >nul 2>&1
if %errorlevel% neq 0 (
    echo [ERROR] uv was not found. Install it first:
    echo   pip install uv
    echo.
    pause
    exit /b 1
)

where npm >nul 2>&1
if %errorlevel% neq 0 (
    echo [ERROR] npm was not found. Install Node.js first.
    echo.
    pause
    exit /b 1
)

if not exist "%PROJECT_ENV%" (
    echo [INFO] .env was not found in the project root.
    echo [INFO] Create it before first run.
    echo.
)

echo [1/4] Install backend dependencies...
cd /d "%BACKEND_DIR%"
uv sync --quiet
if %errorlevel% neq 0 (
    echo [ERROR] Failed to install backend dependencies.
    pause
    exit /b 1
)
echo [OK] Backend dependencies installed.

echo.
echo [2/4] Install frontend dependencies...
cd /d "%FRONTEND_DIR%"
call npm install >nul 2>&1
if %errorlevel% neq 0 (
    echo [ERROR] Failed to install frontend dependencies.
    pause
    exit /b 1
)
echo [OK] Frontend dependencies installed.

set "BACKEND_HOST=127.0.0.1"
set "BACKEND_PORT="
if exist "%PROJECT_ENV%" (
    for /f "usebackq tokens=1,* delims==" %%A in ("%PROJECT_ENV%") do (
        if /I "%%A"=="HOST" set "BACKEND_HOST=%%B"
        if /I "%%A"=="PORT" set "BACKEND_PORT=%%B"
    )
)
if "%BACKEND_PORT%"=="" (
    echo [ERROR] PORT was not found in .env.
    echo [ERROR] Set PORT in the project root .env and run start.bat again.
    pause
    exit /b 1
)
set "FRONTEND_API_URL=http://%BACKEND_HOST%:%BACKEND_PORT%"
> "%FRONTEND_DIR%\.env.local" echo VITE_API_URL=%FRONTEND_API_URL%
set "BACKEND_LOG=%LOG_DIR%\backend-start.log"
set "FRONTEND_LOG=%LOG_DIR%\frontend-start.log"

echo.
echo [3/4] Start backend in background on %BACKEND_HOST%:%BACKEND_PORT%...
powershell -NoProfile -WindowStyle Hidden -Command "$wd='%BACKEND_DIR%'; $out='%BACKEND_LOG%'; Start-Process powershell -WindowStyle Hidden -WorkingDirectory $wd -ArgumentList '-NoProfile','-Command',('uv run uvicorn app.main:app --reload --host %BACKEND_HOST% --port %BACKEND_PORT% *>> ''{0}''' -f $out)"
if %errorlevel% neq 0 (
    echo [ERROR] Failed to start backend.
    pause
    exit /b 1
)

echo Waiting for backend...
ping 127.0.0.1 -n 6 >nul

echo.
echo [4/4] Start frontend in background on port 5173...
powershell -NoProfile -WindowStyle Hidden -Command "$wd='%FRONTEND_DIR%'; $out='%FRONTEND_LOG%'; Start-Process powershell -WindowStyle Hidden -WorkingDirectory $wd -ArgumentList '-NoProfile','-Command',('npm run dev *>> ''{0}''' -f $out)"
if %errorlevel% neq 0 (
    echo [ERROR] Failed to start frontend.
    pause
    exit /b 1
)

echo.
echo ==========================================
echo   Started
echo.
echo   Backend: http://%BACKEND_HOST%:%BACKEND_PORT%
echo   Frontend: http://localhost:5173
echo   API docs: http://%BACKEND_HOST%:%BACKEND_PORT%/docs
echo.
echo   Logs:
echo   - %BACKEND_LOG%
echo   - %FRONTEND_LOG%
echo ==========================================
echo.
pause