@echo off
setlocal EnableDelayedExpansion
title Setup Codex CLI + Azure Foundry (gpt-chat-latest)
color 0A

REM ========== TU XIN QUYEN ADMIN ==========
net session >nul 2>&1
if %errorlevel% neq 0 (
    echo Dang xin quyen Administrator...
    powershell -NoProfile -Command "Start-Process -FilePath '%~f0' -Verb RunAs"
    exit /b
)

echo ===============================================================
echo    SETUP TU DONG: CODEX CLI + AZURE FOUNDRY (gpt-chat-latest)
echo    Codex CLI chi can Node.js (khong can Python/Git)
echo ===============================================================
echo.

set "TMP_NODE=%TEMP%\node-lts-x64.msi"

REM ===============================================================
echo [BUOC 1/3] Kiem tra / cai dat Node.js (LTS)...
echo ===============================================================
where node >nul 2>&1
if %errorlevel%==0 (
    for /f "delims=" %%v in ('node -v 2^>^&1') do echo     Da co Node: %%v
) else (
    echo     Dang tim ban Node.js LTS moi nhat va tai ve...
    powershell -NoProfile -Command "$ProgressPreference='SilentlyContinue'; [Net.ServicePointManager]::SecurityProtocol=[Net.SecurityProtocolType]::Tls12; $j=Invoke-RestMethod 'https://nodejs.org/dist/index.json'; $v=($j | Where-Object {$_.lts} | Select-Object -First 1).version; Write-Host ('     Phien ban LTS: '+$v); $url='https://nodejs.org/dist/'+$v+'/node-'+$v+'-x64.msi'; Invoke-WebRequest -Uri $url -OutFile '%TMP_NODE%'"
    if not exist "%TMP_NODE%" (
        echo     [X] Tai Node.js that bai. Kiem tra mang roi chay lai.
        pause & exit /b 1
    )
    echo     Dang cai Node.js ^(im lang, doi cai xong han^)...
    start /wait "" msiexec /i "%TMP_NODE%" /qn /norestart
    del "%TMP_NODE%" >nul 2>&1
)
echo.

REM ========== NOI NODE/NPM VAO PATH (giu PATH goc) ==========
set "PATH=%PATH%;C:\Program Files\nodejs;%AppData%\npm"
echo.

REM ===============================================================
echo [BUOC 2/3] Cai dat Codex CLI (npm global)...
echo ===============================================================
where codex >nul 2>&1
if %errorlevel%==0 (
    for /f "delims=" %%v in ('codex --version 2^>^&1') do echo     Da co Codex: %%v
) else (
    set "NPM=npm"
    where npm >nul 2>&1
    if !errorlevel! neq 0 (
        if exist "C:\Program Files\nodejs\npm.cmd" (
            set "NPM=C:\Program Files\nodejs\npm.cmd"
        ) else (
            echo     [X] Chua thay 'npm'. DONG CMD, MO LAI roi chay lai script.
            pause & exit /b 1
        )
    )
    echo     Dang cai Codex CLI qua npm...
    call "!NPM!" install -g @openai/codex
    echo.
    where codex >nul 2>&1
    if !errorlevel!==0 (
        for /f "delims=" %%v in ('codex --version 2^>^&1') do echo     Da cai Codex: %%v
    ) else (
        echo     [!] Da chay npm install. Neu 'codex' chua nhan, mo lai CMD sau khi xong.
    )
)
echo.

REM ===============================================================
echo [BUOC 3/3] Cau hinh Azure Foundry (gpt-chat-latest)
echo ===============================================================
echo     ENDPOINT mac dinh:
echo        https://trainchanvcl.services.ai.azure.com/openai/v1
echo     ^(Enter de dung mac dinh, hoac nhap endpoint khac^)
echo.
set "DEF_EP=https://trainchanvcl.services.ai.azure.com/openai/v1"
set /p AZ_ENDPOINT="  ANTHROPIC/OpenAI BASE_URL [%DEF_EP%]: "
if "!AZ_ENDPOINT!"=="" set "AZ_ENDPOINT=%DEF_EP%"
REM -- tu cat bo /responses /chat/completions / dau cuoi neu user lo nhap --
if /i "!AZ_ENDPOINT:~-10!"=="/responses" set "AZ_ENDPOINT=!AZ_ENDPOINT:~0,-10!"
if /i "!AZ_ENDPOINT:~-16!"=="/chat/completions" set "AZ_ENDPOINT=!AZ_ENDPOINT:~0,-16!"
if "!AZ_ENDPOINT:~-1!"=="/" set "AZ_ENDPOINT=!AZ_ENDPOINT:~0,-1!"
echo     Endpoint dung: !AZ_ENDPOINT!
echo.
set /p AZ_KEY="  Nhap API KEY (key cua resource): "
if "!AZ_KEY!"=="" ( echo [X] API key rong. Huy. & pause & exit /b 1 )
echo.

REM ========== GHI ~/.codex/config.toml ==========
set "CDXDIR=%USERPROFILE%\.codex"
if not exist "%CDXDIR%" mkdir "%CDXDIR%"
set "CFG=%CDXDIR%\config.toml"
(
    echo model = "gpt-chat-latest"
    echo model_provider = "azure"
    echo.
    echo [model_providers.azure]
    echo name = "Azure trainchanvcl"
    echo base_url = "!AZ_ENDPOINT!"
    echo env_key = "AZURE_API_KEY"
    echo wire_api = "responses"
    echo approval_policy = "never"
    echo sandbox_mode = "danger-full-access"
) > "%CFG%"
echo     Da ghi config: %CFG%
echo.

REM ========== TAO LAUNCHER ==========
set "LAUNCHER=%~dp0codex-azure.bat"
(
    echo @echo off
    echo title Codex CLI ^(Azure - gpt-chat-latest^)
    echo set "PATH=%%PATH%%;C:\Program Files\nodejs;%%AppData%%\npm"
    echo where codex ^>nul 2^>^&1 ^|^| call npm install -g @openai/codex
    echo set AZURE_API_KEY=!AZ_KEY!
    echo where codex ^>nul 2^>^&1 ^&^& ^(codex --dangerously-bypass-approvals-and-sandbox -m gpt-chat-latest -c model_provider="azure" %%*^) ^|^| ^("%%AppData%%\npm\codex.cmd" -m gpt-chat-latest -c model_provider="azure" %%*^)
) > "!LAUNCHER!"
echo     Da tao launcher: !LAUNCHER!
echo.

echo ===============================================================
echo   HOAN TAT! Chay Codex bang 1 trong 2 cach:
echo     1^) Double-click:  !LAUNCHER!
echo     2^) Mo CMD tai thu muc nay roi go:  codex-azure
echo.
echo   Trong Codex thu go:  What is the capital of France?
echo   ^(Neu loi 400 ve param Responses -^> sua wire_api = "chat" trong %CFG%^)
echo ===============================================================
echo.
set /p RUNNOW="  Chay Codex ngay bay gio? (Y/N): "
if /i "!RUNNOW!"=="Y" call "!LAUNCHER!"
echo.
pause
endlocal