@echo off
setlocal EnableDelayedExpansion

set "INSTALL_DIR=%LOCALAPPDATA%\kisync"
set "EXE_NAME=kisync.exe"
set "DOWNLOAD_URL=https://gitea.esh-service.ru/public/api_builder_cli_client/releases/download/v1.0.0/kisync.exe"

echo.
echo  ==========================================
echo   kisync - KIS API Builder Sync - Installer
echo  ==========================================
echo.

:: Create install directory
if not exist "%INSTALL_DIR%" (
    mkdir "%INSTALL_DIR%"
    echo  [+] Created directory: %INSTALL_DIR%
) else (
    echo  [=] Directory exists:  %INSTALL_DIR%
)

:: Check if exe is next to this script (offline install)
if exist "%~dp0release\%EXE_NAME%" (
    echo  [~] Found local exe, copying...
    copy /Y "%~dp0release\%EXE_NAME%" "%INSTALL_DIR%\%EXE_NAME%" >nul 2>&1
    goto :check_copy
)
if exist "%~dp0%EXE_NAME%" (
    echo  [~] Found local exe, copying...
    copy /Y "%~dp0%EXE_NAME%" "%INSTALL_DIR%\%EXE_NAME%" >nul 2>&1
    goto :check_copy
)

:: Download from Gitea
echo  [~] Downloading kisync.exe ...
echo      %DOWNLOAD_URL%
echo.
powershell -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; (New-Object Net.WebClient).DownloadFile('%DOWNLOAD_URL%', '%INSTALL_DIR%\%EXE_NAME%')" 2>nul

:check_copy
if not exist "%INSTALL_DIR%\%EXE_NAME%" (
    echo.
    echo  [!] ERROR: Failed to get kisync.exe
    echo      Try downloading manually from:
    echo      %DOWNLOAD_URL%
    echo      and place it in: %INSTALL_DIR%\
    echo.
    pause
    exit /b 1
)

:: Show version
echo  [+] Installed: %INSTALL_DIR%\%EXE_NAME%
"%INSTALL_DIR%\%EXE_NAME%" --version 2>nul && echo.

:: Check if already in user PATH
set "NEED_PATH=1"
for /f "tokens=2*" %%a in ('reg query "HKCU\Environment" /v Path 2^>nul') do set "USER_PATH=%%b"

if defined USER_PATH (
    echo !USER_PATH! | findstr /I /C:"%INSTALL_DIR%" >nul 2>&1
    if !errorlevel!==0 (
        set "NEED_PATH=0"
        echo  [=] PATH: already configured
    )
)

if !NEED_PATH!==1 (
    echo  [~] Adding to user PATH...
    if defined USER_PATH (
        reg add "HKCU\Environment" /v Path /t REG_EXPAND_SZ /d "%USER_PATH%;%INSTALL_DIR%" /f >nul 2>&1
    ) else (
        reg add "HKCU\Environment" /v Path /t REG_EXPAND_SZ /d "%INSTALL_DIR%" /f >nul 2>&1
    )

    :: Notify system about environment change
    powershell -Command "[Environment]::SetEnvironmentVariable('_kisync_refresh','1','User'); [Environment]::SetEnvironmentVariable('_kisync_refresh', $null, 'User')" 2>nul

    echo  [+] PATH: added %INSTALL_DIR%
)

echo.
echo  ==========================================
echo   Installation complete!
echo  ==========================================
echo.
echo   Open a NEW terminal and run:
echo     kisync --help
echo.
echo   Quick start:
echo     cd my-project
echo     kisync init
echo     kisync pull
echo.
pause