@echo off
REM SSH Setup for git.etoth.dev
REM Usage: Double-click setup-git-ssh.bat

setlocal enabledelayedexpansion

echo.
echo ========================================
echo   SSH Setup for git.etoth.dev
echo ========================================
echo.

set "SSH_DIR=%USERPROFILE%\.ssh"
set "CONFIG_FILE=%SSH_DIR%\config"

REM Create SSH directory
if not exist "%SSH_DIR%" (
    echo -^> Creating SSH directory...
    mkdir "%SSH_DIR%"
    echo [OK] SSH directory created
) else (
    echo [OK] SSH directory exists
)

REM Create backup
if exist "%CONFIG_FILE%" (
    set "TIMESTAMP=%date:~-4%%date:~-7,2%%date:~-10,2%_%time:~0,2%%time:~3,2%%time:~6,2%"
    set "TIMESTAMP=!TIMESTAMP: =0!"
    copy "%CONFIG_FILE%" "%CONFIG_FILE%.backup.!TIMESTAMP!" >nul 2>&1
    echo [OK] Backup created
)

REM Check if already configured
set "CONFIG_EXISTS=0"
if exist "%CONFIG_FILE%" (
    findstr /C:"Host git.etoth.dev" "%CONFIG_FILE%" >nul 2>&1
    if !errorlevel! equ 0 set "CONFIG_EXISTS=1"
)

if !CONFIG_EXISTS! equ 1 (
    echo.
    echo [!] git.etoth.dev is already configured!
    echo.
    set /p "OVERWRITE=Do you want to overwrite the configuration? (y/n): "
    
    if /i not "!OVERWRITE!"=="y" (
        echo -^> Setup cancelled.
        echo.
        pause
        exit /b
    )
    
    REM Remove old configuration (simple method: rewrite entire config without git.etoth.dev)
    echo [OK] Old configuration will be removed
)

REM Add new configuration
echo -^> Adding SSH configuration...

(
echo.
echo # Gitea Server git.etoth.dev
echo Host git.etoth.dev
echo     HostName git.etoth.dev
echo     User git
echo     Port 222
echo     StrictHostKeyChecking accept-new
echo.
) >> "%CONFIG_FILE%"

echo [OK] SSH configuration added!
echo.

REM Check for SSH key
set "KEY_EXISTS=0"
if exist "%SSH_DIR%\id_ed25519" set "KEY_EXISTS=1"
if exist "%SSH_DIR%\id_rsa" set "KEY_EXISTS=1"

if !KEY_EXISTS! equ 0 (
    echo [!] No SSH key found!
    echo.
    set /p "CREATE_KEY=Do you want to create a new SSH key? (y/n): "
    
    if /i "!CREATE_KEY!"=="y" (
        echo.
        set /p "EMAIL=Your email address: "
        
        ssh-keygen -t ed25519 -C "!EMAIL!" -f "%SSH_DIR%\id_ed25519"
        
        echo.
        echo [OK] SSH key created!
        echo.
        echo Your public key:
        echo ----------------------------------------
        type "%SSH_DIR%\id_ed25519.pub"
        echo ----------------------------------------
        echo.
        echo Add this key to Gitea:
        echo   Settings -^> SSH/GPG Keys -^> Add Key
        echo.
    )
)

REM Test connection
echo.
set /p "TEST=Do you want to test the connection? (y/n): "

if /i "!TEST!"=="y" (
    echo.
    echo -^> Testing connection to git.etoth.dev...
    echo.
    ssh -T git@git.etoth.dev 2>&1
    echo.
)

echo.
echo ========================================
echo   Setup completed successfully!
echo ========================================
echo.
echo You can now use Git:
echo.
echo   git clone git@git.etoth.dev:user/repo.git
echo   git push
echo   git pull
echo.
echo More information:
echo   Show SSH config:  type %%USERPROFILE%%\.ssh\config
echo   Edit SSH config:  notepad %%USERPROFILE%%\.ssh\config
echo.

pause