@echo off
setlocal

REM Workaround https://github.com/dotnet/coreclr/issues/2153
set ComPlus_ReadyToRun=0

set INIT_TOOLS_LOG=%~dp0init-tools.log
set PACKAGES_DIR=%~dp0packages\
set TOOLRUNTIME_DIR=%~dp0Tools
set DOTNET_PATH=%TOOLRUNTIME_DIR%\dotnetcli\
set DOTNET_CMD=%DOTNET_PATH%bin\dotnet.exe
if [%BUILDTOOLS_SOURCE%]==[] set BUILDTOOLS_SOURCE=https://www.myget.org/F/dotnet-buildtools/
set /P BUILDTOOLS_VERSION=< %~dp0BuildToolsVersion.txt
set BUILD_TOOLS_PATH=%PACKAGES_DIR%Microsoft.DotNet.BuildTools\%BUILDTOOLS_VERSION%\lib\
set PROJECT_JSON_PATH=%TOOLRUNTIME_DIR%\%BUILDTOOLS_VERSION%
set PROJECT_JSON_FILE=%PROJECT_JSON_PATH%\project.json
set PROJECT_JSON_CONTENTS={ "dependencies": { "Microsoft.DotNet.BuildTools": "%BUILDTOOLS_VERSION%" , "Microsoft.DotNet.BuildTools.Coreclr": "1.0.4-prerelease"}, "frameworks": { "dnxcore50": { } } }
set BUILD_TOOLS_SEMAPHORE=%PROJECT_JSON_PATH%\init-tools.completed

:: if force option is specified then clean the tool runtime and build tools package directory to force it to get recreated
if [%1]==[force] (
  if exist "%TOOLRUNTIME_DIR%" rmdir /S /Q "%TOOLRUNTIME_DIR%"
  if exist "%PACKAGES_DIR%Microsoft.DotNet.BuildTools" rmdir /S /Q "%PACKAGES_DIR%Microsoft.DotNet.BuildTools"
)

:: If sempahore exists do nothing
if exist "%BUILD_TOOLS_SEMAPHORE%" (
  echo Tools are already initialized.
  goto :EOF
)

if exist "%TOOLRUNTIME_DIR%" rmdir /S /Q "%TOOLRUNTIME_DIR%"

:: Download Nuget.exe
if NOT exist "%PACKAGES_DIR%NuGet.exe" (
  if NOT exist "%PACKAGES_DIR%" mkdir "%PACKAGES_DIR%"
  powershell -NoProfile -ExecutionPolicy unrestricted -Command "(New-Object Net.WebClient).DownloadFile('https://www.nuget.org/nuget.exe', '%PACKAGES_DIR%NuGet.exe')
)

if NOT exist "%PROJECT_JSON_PATH%" mkdir "%PROJECT_JSON_PATH%"
echo %PROJECT_JSON_CONTENTS% > %PROJECT_JSON_FILE%
echo Running %0 > %INIT_TOOLS_LOG%

if exist "%DOTNET_CMD%" goto :afterdotnetrestore

echo Installing dotnet cli...
if NOT exist "%DOTNET_PATH%" mkdir "%DOTNET_PATH%"
set /p DOTNET_VERSION=< %~dp0DotnetCLIVersion.txt
set DOTNET_ZIP_NAME=dotnet-win-x64.%DOTNET_VERSION%.zip
set DOTNET_REMOTE_PATH=https://dotnetcli.blob.core.windows.net/dotnet/beta/Binaries/%DOTNET_VERSION%/%DOTNET_ZIP_NAME%
set DOTNET_LOCAL_PATH=%DOTNET_PATH%%DOTNET_ZIP_NAME%
echo Installing '%DOTNET_REMOTE_PATH%' to '%DOTNET_LOCAL_PATH%' >> %INIT_TOOLS_LOG%
powershell -NoProfile -ExecutionPolicy unrestricted -Command "(New-Object Net.WebClient).DownloadFile('%DOTNET_REMOTE_PATH%', '%DOTNET_LOCAL_PATH%'); Add-Type -Assembly 'System.IO.Compression.FileSystem' -ErrorVariable AddTypeErrors; if ($AddTypeErrors.Count -eq 0) { [System.IO.Compression.ZipFile]::ExtractToDirectory('%DOTNET_LOCAL_PATH%', '%DOTNET_PATH%') } else { (New-Object -com shell.application).namespace('%DOTNET_PATH%').CopyHere((new-object -com shell.application).namespace('%DOTNET_LOCAL_PATH%').Items(),16) }" >> %INIT_TOOLS_LOG%
if NOT exist "%DOTNET_LOCAL_PATH%" (
  echo ERROR: Could not install dotnet cli correctly. See '%INIT_TOOLS_LOG%' for more details.
  goto :EOF
)

:afterdotnetrestore

if exist "%BUILD_TOOLS_PATH%" goto :afterbuildtoolsrestore
echo Restoring BuildTools version %BUILDTOOLS_VERSION%...
echo Running: "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> %INIT_TOOLS_LOG%
call "%DOTNET_CMD%" restore "%PROJECT_JSON_FILE%" --packages %PACKAGES_DIR% --source "%BUILDTOOLS_SOURCE%" >> %INIT_TOOLS_LOG%
if NOT exist "%BUILD_TOOLS_PATH%init-tools.cmd" (
  echo ERROR: Could not restore build tools correctly. See '%INIT_TOOLS_LOG%' for more details.
  goto :EOF
)

:afterbuildtoolsrestore

echo Initializing BuildTools ...
echo Running: "%BUILD_TOOLS_PATH%init-tools.cmd" "%~dp0" "%DOTNET_CMD%" "%TOOLRUNTIME_DIR%" >> %INIT_TOOLS_LOG%
call "%BUILD_TOOLS_PATH%init-tools.cmd" "%~dp0" "%DOTNET_CMD%" "%TOOLRUNTIME_DIR%" >> %INIT_TOOLS_LOG%

:: Create sempahore file
echo Done initializing tools.
echo Init-Tools.cmd completed for BuildTools Version: %BUILDTOOLS_VERSION% > "%BUILD_TOOLS_SEMAPHORE%"