@echo off
setlocal enabledelayedexpansion
title Church Transcription — Launcher

:: ════════════════════════════════════════════════════════════════════════════
::  CONFIGURATION — edit these lines before first use
:: ════════════════════════════════════════════════════════════════════════════

:: Your HuggingFace access token (required for speaker diarization)
:: Get one at https://huggingface.co/settings/tokens
set HF_TOKEN=PASTE_YOUR_TOKEN_HERE

:: Whisper model to use:
::   large-v3          — most accurate, needs ~6 GB VRAM, ~3 s latency
::   distil-large-v3   — faster (~2 s latency), very slightly less accurate
::   medium            — fallback if VRAM is limited (~4 GB VRAM)
set WHISPER_MODEL=large-v3

:: ════════════════════════════════════════════════════════════════════════════

:: Check the token has been set
if "%HF_TOKEN%"=="PASTE_YOUR_TOKEN_HERE" (
    echo.
    echo ERROR: HuggingFace token not configured.
    echo.
    echo Open start.bat in Notepad and replace PASTE_YOUR_TOKEN_HERE
    echo with your token from https://huggingface.co/settings/tokens
    echo.
    echo See SETUP.md Part 7 for full instructions.
    echo.
    pause
    exit /b 1
)

:: Check virtual environment exists
if not exist .venv\Scripts\activate.bat (
    echo.
    echo ERROR: Virtual environment not found.
    echo Please run install.bat first.
    echo.
    pause
    exit /b 1
)

:: Check Mosquitto is running
sc query mosquitto | find "RUNNING" >nul 2>&1
if errorlevel 1 (
    echo Starting Mosquitto MQTT broker...
    net start mosquitto >nul 2>&1
    if errorlevel 1 (
        echo WARNING: Could not start Mosquitto. Is it installed?
        echo See SETUP.md Part 4.
        pause
        exit /b 1
    )
)

echo.
echo ============================================================
echo  Church Live Transcription Display
echo ============================================================
echo.
echo Starting Whisper server in a new window...
echo Starting bridge in a new window...
echo.
echo Both windows must stay open during the service.
echo Close this window or both others to shut down.
echo.

:: Activate venv and launch WhisperLiveKit in its own window
start "Whisper Transcription Server" cmd /k ^
    "call .venv\Scripts\activate.bat && ^
     set HF_TOKEN=%HF_TOKEN% && ^
     echo Starting WhisperLiveKit (%WHISPER_MODEL%) with diarization... && ^
     wlk --model %WHISPER_MODEL% --language en --diarization --hf-token %HF_TOKEN%"

:: Brief pause so Whisper can begin loading before the bridge connects
timeout /t 5 /nobreak >nul

:: Activate venv and launch the bridge (speaker UI opens in this process)
start "Transcription Bridge" cmd /k ^
    "call .venv\Scripts\activate.bat && ^
     echo Starting bridge... && ^
     python bridge\bridge.py"

echo Both windows launched. You can minimise this window.
echo.
pause