@echo off
setlocal

if [%1]==[/?] goto :help
echo %* | find "/?" > nul
if errorlevel 1 goto :main

:help
echo usage: %0 [/?]
echo
echo Bootstrap a macOS instance with:
echo
echo * Windows SDK - from MSDN
echo * Chocolatey - package manager
echo * Cmder, including Git - from Chocolatey
echo * Python - from Chocolatey
echo * virtualenv - from pip
echo * SSH key - from ssh-keygen
echo * GitHub public key - with SSH key
echo * GitLab public key - with SSH key
echo * BitBucket Cloud public key - with SSH key
echo * Gogs Cloud public key - with SSH key
echo * conduit - configuration manager
echo
echo optional arguments:
echo         /?              show this help message and exit
goto end

:main

:: Check for admin permissions
>nul 2>&1 "%SYSTEMROOT%\system32\cacls.exe" "%SYSTEMROOT%\system32\config\system"
if errorlevel 1 (
  echo Administrator privilages required!
  exit /B 1
)

:: Install Windows SDK
:windows_sdk
set choice=
set /p choice="Install Windows SDK [Y/n]? "
if "%choice%"=="" goto windows_sdk_yes
if "%choice%"=="Y" goto windows_sdk_yes
if "%choice%"=="y" goto windows_sdk_yes
if "%choice%"=="N" goto windows_sdk_no
if "%choice%"=="n" goto windows_sdk_no
echo invalid value: %choice%
goto windows_sdk
:windows_sdk_yes
bitsadmin.exe /transfer "Download Windows SDK" https://go.microsoft.com/fwlink/p/?linkid=845298 %~dp0\winsdksetup.exe
if errorlevel 1 exit /B 1
echo Installing Windows SDK...
%~dp0\winsdksetup.exe /features + /q
if errorlevel 1 exit /B 1
del %~dp0\winsdksetup.exe
:windows_sdk_no

:: Install Chocolatey
:choco
set choice=
set /p choice="Install Chocolatey [Y/n]? "
if "%choice%"=="" goto choco_yes
if "%choice%"=="Y" goto choco_yes
if "%choice%"=="y" goto choco_yes
if "%choice%"=="N" goto choco_no
if "%choice%"=="n" goto choco_no
echo invalid value: %choice%
goto choco
:choco_yes
@"%SystemRoot%\System32\WindowsPowerShell\v1.0\powershell.exe" -NoProfile -InputFormat None -ExecutionPolicy Bypass -Command "iex ((New-Object System.Net.WebClient).DownloadString('https://chocolatey.org/install.ps1'))" && SET "PATH=%PATH%;%ALLUSERSPROFILE%\chocolatey\bin"
if errorlevel 1 exit /B 1
:choco_no

:: Install Cmder, including Git
:git
set choice=
set /p choice="Install Cmder, including Git [Y/n]? "
if "%choice%"=="" goto git_yes
if "%choice%"=="Y" goto git_yes
if "%choice%"=="y" goto git_yes
if "%choice%"=="N" goto git_no
if "%choice%"=="n" goto git_no
echo invalid value: %choice%
goto git
:git_yes
choco install cmder --yes
if errorlevel 1 exit /B 1
:git_no

:: Install Python
:python
set choice=
set /p choice="Install Python [Y/n]? "
if "%choice%"=="" goto python_yes
if "%choice%"=="Y" goto python_yes
if "%choice%"=="y" goto python_yes
if "%choice%"=="N" goto python_no
if "%choice%"=="n" goto python_no
echo invalid value: %choice%
goto python
:python_yes
choco install python2 --yes
if errorlevel 1 exit /B 1
:python_no

:: Install virtualenv
:virtualenv
set choice=
set /p choice="Install virtualenv [Y/n]? "
if "%choice%"=="" goto virtualenv_yes
if "%choice%"=="Y" goto virtualenv_yes
if "%choice%"=="y" goto virtualenv_yes
if "%choice%"=="N" goto virtualenv_no
if "%choice%"=="n" goto virtualenv_no
echo invalid value: %choice%
goto virtualenv
:virtualenv_yes
"C:\Python27\Scripts\pip.exe" install virtualenv
if errorlevel 1 exit /B 1
:virtualenv_no

:: Generate SSH key
:ssh_key
set choice=
set /p choice="Generate SSH key [Y/n]? "
if "%choice%"=="" goto ssh_key_yes
if "%choice%"=="Y" goto ssh_key_yes
if "%choice%"=="y" goto ssh_key_yes
if "%choice%"=="N" goto ssh_key_no
if "%choice%"=="n" goto ssh_key_no
echo invalid value: %choice%
goto ssh_key
:ssh_key_yes
mkdir %USERPROFILE%\.ssh
set /P email="SSH email: "
"C:\tools\cmder\vendor\git-for-windows\usr\bin\ssh-keygen.exe" -t rsa -b 4096 -C "%email%" -N "" -f %USERPROFILE%\.ssh\id_rsa
if errorlevel 1 exit /B 1
:ssh_key_no

:: Set SSH keys on remote Git servers
:remote_ssh_keys
:: Add git to the PATH to pip can find it
set PATH=C:\tools\cmder\vendor\git-for-windows\bin;%PATH%
set choice=
set /p choice="Set SSH keys on remote Git servers [Y/n]? "
if "%choice%"=="" goto remote_ssh_keys_yes
if "%choice%"=="Y" goto remote_ssh_keys_yes
if "%choice%"=="y" goto remote_ssh_keys_yes
if "%choice%"=="N" goto remote_ssh_keys_no
if "%choice%"=="n" goto remote_ssh_keys_no
echo invalid value: %choice%
goto remote_ssh_keys
:remote_ssh_keys_yes
"C:\Python27\Scripts\virtualenv.exe" %~dp0\bootstrap_env
if errorlevel 1 exit /B 1
"%~dp0\bootstrap_env\Scripts\pip.exe" install git+https://code.infektor.net/config/bootstrap.git
if errorlevel 1 exit /B 1
"%~dp0\bootstrap_env\Scripts\python.exe" -c "import bootstrap; bootstrap.set_ssh_keys()"
if errorlevel 1 exit /B 1
:remote_ssh_keys_no

:: Install conduit
:conduit
set choice=
set /p choice="Install conduit [Y/n]? "
if "%choice%"=="" goto conduit_yes
if "%choice%"=="Y" goto conduit_yes
if "%choice%"=="y" goto conduit_yes
if "%choice%"=="N" goto conduit_no
if "%choice%"=="n" goto conduit_no
echo invalid value: %choice%
goto conduit
:conduit_yes
"C:\Python27\Scripts\pip.exe" install git+ssh://git@github.com/kbenzie/conduit.git
:conduit_no

:remove_bootstrap
set choice=
set /p choice="Remove bootstrap-Windows.cmd [y/N]? "
if "%choice%"=="" goto remove_bootstrap_no
if "%choice%"=="Y" goto remove_bootstrap_yes
if "%choice%"=="y" goto remove_bootstrap_yes
if "%choice%"=="N" goto remove_bootstrap_no
if "%choice%"=="n" goto remove_bootstrap_no
echo invalid value: %choice%
goto remove_bootstrap
:remove_bootstrap_yes
rmdir /Q /S "%~dp0\bootstrap_env"
echo "Completed: %0 will now be removed"
start /b "" cmd /c del "%~f0"&exit /b
:remove_bootstrap_no

:end
endlocal