@echo off
setlocal EnableExtensions
title Jin Laptop
cd /d "%USERPROFILE%"

set "HOME_DIR=%USERPROFILE%\JinLaptop"
set "PY_DIR=%HOME_DIR%\python"
set "CELLS=%USERPROFILE%\hive-cells"
set "EMBED_URL=https://www.python.org/ftp/python/3.14.8/python-3.14.8-embed-amd64.zip"
set "EMBED_SHA=a93abe456ab01bd96d7a085b3cdb6566b3063f4241360d114142fbdb07f0a310"
set "COURT=https://court.metanet.holdings/downloads/hive-node"
set "BUNDLE=laptop-cells-20261015.jsonl.gz"
set "PWSH=%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe"
if not exist "%PWSH%" set "PWSH=powershell"

mkdir "%HOME_DIR%" 2>nul
mkdir "%CELLS%" 2>nul

echo.
echo Jin Laptop
echo ==========
echo This window is the laptop. Leave it open.
echo.

rem --- Python: system copy first, else a private portable one (official build, verified)
set "PY="
where py >nul 2>&1 && set "PY=py -3"
if not defined PY where python >nul 2>&1 && set "PY=python"
if not defined PY where python3 >nul 2>&1 && set "PY=python3"
if not defined PY if exist "%PY_DIR%\python.exe" set "PY=%PY_DIR%\python.exe"
if not defined PY if exist "%USERPROFILE%\.hive-node\python-embed\python.exe" set "PY=%USERPROFILE%\.hive-node\python-embed\python.exe"

if not defined PY (
  echo No Python here. Downloading a private copy ^(official python.org build, safety-checked^)...
  "%PWSH%" -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; Invoke-WebRequest -Uri '%EMBED_URL%' -OutFile '%HOME_DIR%\py.zip' -UseBasicParsing"
  if errorlevel 1 goto nopy
  "%PWSH%" -NoProfile -Command "if ((Get-FileHash -Algorithm SHA256 -Path '%HOME_DIR%\py.zip').Hash -ne '%EMBED_SHA%') { exit 9 }"
  if errorlevel 9 goto badpy
  "%PWSH%" -NoProfile -Command "Expand-Archive -Force -Path '%HOME_DIR%\py.zip' -DestinationPath '%PY_DIR%'"
  del "%HOME_DIR%\py.zip" 2>nul
  if exist "%PY_DIR%\python.exe" set "PY=%PY_DIR%\python.exe"
)
if not defined PY goto nopy
echo ok: Python ready
goto pyok

:nopy
echo.
echo Could not get Python. Check the internet and double-click this file again.
pause
exit /b 1

:badpy
echo.
echo The Python download failed its safety check. It was not run.
echo Check the internet and double-click this file again.
del "%HOME_DIR%\py.zip" 2>nul
pause
exit /b 1

:pyok
rem --- server program: always fresh from the court, hash-checked
echo Getting the laptop program...
"%PWSH%" -NoProfile -Command "Invoke-WebRequest -Uri '%COURT%/laptop_server.py' -OutFile '%HOME_DIR%\laptop_server.py' -UseBasicParsing; Invoke-WebRequest -Uri '%COURT%/laptop_server.py.sha256' -OutFile '%HOME_DIR%\laptop_server.py.sha256' -UseBasicParsing"
if errorlevel 1 goto nodl
for /f "usebackq tokens=1" %%H in ("%HOME_DIR%\laptop_server.py.sha256") do set "WANT=%%H"
if not defined WANT goto nodl
"%PWSH%" -NoProfile -Command "if ((Get-FileHash -Algorithm SHA256 -Path '%HOME_DIR%\laptop_server.py').Hash -ne '%WANT%') { exit 8 }"
if errorlevel 8 goto badsrv
echo ok: program verified
goto srvok

:nodl
echo.
echo Could not download. Check the internet and double-click this file again.
pause
exit /b 1

:badsrv
echo.
echo A download failed its safety check. It was not run.
pause
exit /b 1

:srvok
rem --- brain cells: skip if already staged
set "NEED_CELLS=1"
if exist "%CELLS%\laptop.jsonl" for %%F in ("%CELLS%\laptop.jsonl") do if %%~zF gtr 1000000 set "NEED_CELLS="
if not defined NEED_CELLS goto cellsok
echo Getting the brain cells ^(one time, ~47 MB^)...
"%PWSH%" -NoProfile -Command "Invoke-WebRequest -Uri '%COURT%/%BUNDLE%' -OutFile '%HOME_DIR%\cells.gz' -UseBasicParsing; Invoke-WebRequest -Uri '%COURT%/%BUNDLE%.sha256' -OutFile '%HOME_DIR%\cells.gz.sha256' -UseBasicParsing"
if errorlevel 1 goto nodl
for /f "usebackq tokens=1" %%H in ("%HOME_DIR%\cells.gz.sha256") do set "WANT2=%%H"
if not defined WANT2 goto nodl
"%PWSH%" -NoProfile -Command "if ((Get-FileHash -Algorithm SHA256 -Path '%HOME_DIR%\cells.gz').Hash -ne '%WANT2%') { exit 8 }"
if errorlevel 8 goto badsrv
echo Extracting cells...
%PY% -c "import gzip,shutil;shutil.copyfileobj(gzip.open(r'%HOME_DIR%\cells.gz','rb'),open(r'%CELLS%\laptop.jsonl','wb'))"
del "%HOME_DIR%\cells.gz" 2>nul
set "CELLOK="
if exist "%CELLS%\laptop.jsonl" for %%F in ("%CELLS%\laptop.jsonl") do if %%~zF gtr 1000000 set "CELLOK=1"
if not defined CELLOK goto nodl
for %%F in ("%CELLS%\laptop.jsonl") do echo ok: %%~zF bytes of brain cells staged

:cellsok
echo.
echo This laptop's address for the phone:
"%PWSH%" -NoProfile -Command "Get-NetIPAddress -AddressFamily IPv4 | Where-Object { $_.IPAddress -notlike '127.*' -and $_.PrefixOrigin -ne 'WellKnown' } | ForEach-Object { $_.IPAddress }"
echo.
echo Status page opening in the browser.
echo Phone: Brain Factory, type the address above, tap Sync Laptop.
echo Leave this window open. Closing it stops the laptop.
echo.
start "" "http://127.0.0.1:8899/"
%PY% "%HOME_DIR%\laptop_server.py" --cells-dir "%CELLS%"
echo.
echo The laptop program stopped. Double-click this file to start it again.
pause