function Get-ScriptDirectory {
    if (!$PSScriptRoot) {
        $Invocation = (Get-Variable MyInvocation -Scope 1).Value
        $PSScriptRoot = Split-Path $Invocation.MyCommand.Path
    }
    $PSScriptRoot
}

function Run-RubyCommand($command, $argList) {
    # Use the correct embedded ruby path.  We'll be deployed at a path that looks like
    # [C:\opscode or some other prefix]\chef\modules\chef
    $ruby = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath(
        (Join-Path (Get-ScriptDirectory)  "../../embedded/bin/ruby.exe")
    )
    $commandPath = $ExecutionContext.SessionState.Path.GetUnresolvedProviderPathFromPSPath(
        (Join-Path (Get-ScriptDirectory) "../../bin/$command")
    )

    # create list of process arguments by appending command arguments to ruby command path
    $commandArgumentList = @($commandPath) + @($argList)

    # splat argument list when invoking ruby
    & "$ruby" @commandArgumentList
}


function Invoke-ChefApply {
    Run-RubyCommand 'chef-apply' $args
}
Set-Alias -Name chef-apply -Value Invoke-ChefApply

function Invoke-ChefClient {
    Run-RubyCommand 'chef-client' $args
}
Set-Alias -Name chef-client -Value Invoke-ChefClient

function Invoke-ChefServiceManager {
    Run-RubyCommand 'chef-service-manager' $args
}
Set-Alias -Name chef-service-manager -Value Invoke-ChefServiceManager

function Invoke-ChefShell {
    Run-RubyCommand 'chef-shell' $args
}
Set-Alias -Name chef-shell -Value Invoke-ChefShell

function Invoke-ChefSolo {
    Run-RubyCommand 'chef-solo' $args
}
Set-Alias -Name chef-solo -Value Invoke-ChefSolo

function Invoke-ChefWindowsService {
    Run-RubyCommand 'chef-windows-service' $args
}
Set-Alias -Name chef-windows-service -Value Invoke-ChefWindowsService

function Invoke-Knife {
    Run-RubyCommand 'knife' $args
}
Set-Alias -Name knife -Value Invoke-Knife

Export-ModuleMember -Function Invoke-ChefApply
Export-ModuleMember -Alias chef-apply

Export-ModuleMember -Function Invoke-ChefClient
Export-ModuleMember -Alias chef-client

Export-ModuleMember -Function Invoke-ChefServiceManager
Export-ModuleMember -Alias chef-service-manager

Export-ModuleMember -Function Invoke-ChefShell
Export-ModuleMember -Alias chef-shell

Export-ModuleMember -Function Invoke-ChefSolo
Export-ModuleMember -Alias chef-solo

Export-ModuleMember -Function Invoke-ChefWindowsService
Export-ModuleMember -Alias chef-windows-service

Export-ModuleMember -Function Invoke-Knife
Export-ModuleMember -Alias knife

# To debug this module, uncomment the line below
# Export-ModuleMember -function Run-RubyCommand

# Then run the following to reload the module.  Use puts_argv as a helpful debug executable.
# Remove-Module chef
# Import-Module chef
# "puts ARGV" | Out-File C:\opscode\chef\bin\puts_args -Encoding ASCII
# Copy-Item C:\opscode\chef\bin\ohai.bat C:\opscode\chef\bin\puts_args.bat
# Run-RubyCommand puts_args 'Here' "are" some '"very interesting"' 'arguments[to]' "`"try out`""