),
  @(
    "Python requests",
    "requests", # no download url, pip handles this
    "easy_install",
    "",
    "",
    "{PYTHON}\Lib\site-packages\requests-2.12.1-py2.7.egg",
    "{PYTHON}\Lib\site-packages\requests-2*py2.7.egg",
    "",
    ''
  ),
  @(
    "LXML 2.3",
    "https://pypi.python.org/packages/d4/fa/e4e0c7a8fe971b10e275cdc20efd16f553a225e700c400c11da25276e4f4/lxml-2.3-py2.7-win32.egg",
    "easy_install",

|                                                                             |
|    Installer for Python 2.7.12 & Gtk 2.24.2                                 |
 ––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––––– 
"@
}
function Ask-First {
    Write-Host ""
    if ((Ask "Do you want to install Python and Gtk now? [Y/n] ") -notmatch "^[yY]|^$") {
    if ((Ask "Do you want install Streamtuner2 and its Python dependencies now? [Y/n] ") -notmatch "^[yY]|^$") {
        $tasks = $tasks[7..($tasks.length-1)]
        return
        exit
    }
    $reuseCachedFiles = (Ask "Reuse any cached setup files? [r]euse/[I]gnore) ") -match "^[Rr]"
#   $reuseCachedFiles = (Ask "Reuse any cached setup files? [r]euse/[I]gnore) ") -match "^[Rr]"
    $reuseCachedFiles = (Ask "Reuse any cached setup files or ignore them? [r/I] ") -match "^[Rr]"
    $optionalInstall =  (Ask "Install optional components? [y/N] ") -match "^[Yy]"
    Write-Host ""
    return $reuseCachedFiles, $optionalInstall
}

function Console-MaxHeight {
    if ($Host.Name -match "console") {

}

#-- create Desktop/Startmenu shortcuts
function Make-Shortcut {
    [CmdletBinding()]
    param($dir, $name, $target, $arg=$false)
    if (!(Test-Path -Path $dir)) {
        New-Item -Path $dir -ItemType directory 2> $null
        New-Item -Path $dir -ItemType directory > $null
    }
    $wsh = New-Object -ComObject WScript.Shell
    if (!$wsh) { return }
    $lnk = $wsh.CreateShortcut("$dir\$name")
    $lnk.TargetPath = $target
    if ($arg) {
        $lnk.Arguments = '"'+$arg+'"'
        $lnk.IconLocation = "$IconPath"
        $lnk.WorkingDirectory = "$UsrFolder\bin"
    }
    $lnk.Save()
}

#-- create uninstall script and registry key
function Create-Uninstallscript {
    [CmdletBinding()]
    param()
    #Write-Host " → Creating uninstall script"
    $UninstallScriptPath = "$UsrFolder\share\streamtuner2\dev\uninstall.cmd"
    $installFolder = $usrFolder.substring(0,$usrFolder.LastIndexOf('\'))
    $UninstallScript = Get-Content -Path $UninstallScriptPath
    Out-File -FilePath $UninstallScriptPath -Encoding ascii -InputObject "@set installFolder=$installFolder"
    Out-File -FilePath $UninstallScriptPath -Encoding ascii -Append -InputObject "@set usrFolder=$usrFolder"
    Out-File -FilePath $UninstallScriptPath -Encoding ascii -Append -InputObject "@set Python=$PYTHON"
    Out-File -FilePath $UninstallScriptPath -Encoding ascii -Append -InputObject "@set StreamripperFolder=$STREAMRIPPER"
    Out-File -FilePath $UninstallScriptPath -Encoding ascii -Append -InputObject "@echo off"
    $UninstallScript = Get-Content -Path $UninstallPath
    Out-File -FilePath $UninstallPath -Encoding ascii -InputObject @"
@set installFolder=$installFolder
@set usrFolder=$usrFolder
@set Python=$PYTHON
@set StreamripperFolder=$STREAMRIPPER
"@
    for ($i=4; $i -lt $UninstallScript.Length ; $i++) {
        Out-File -FilePath $UninstallScriptPath -Encoding ascii -Append -InputObject $UninstallScript[$i]
        Out-File -FilePath $UninstallPath -Encoding ascii -Append -InputObject $UninstallScript[$i]
    }
    #Out-File -FilePath "$UsrFolder\share\streamtuner2\dev\Y" -Encoding ascii -InputObject "Y"
    #if (Test-IsElevated) {
    #Write-Host "   Writing to registry"
    Remove-Item -Path $regPathCU\Streamtuner2 2> $null        
    New-Item $regPathCU -Name "Streamtuner2" > $null
    Set-Location -Path $regPathCU\Streamtuner2
    New-ItemProperty -Path . -Name DisplayName -PropertyType String -Value "Streamtuner2" > $null
    New-ItemProperty -Path . -Name DisplayVersion -PropertyType String -Value "2.2.0" > $null
    New-ItemProperty -Path . -Name DisplayIcon -PropertyType String -Value "$IconPath" > $null
    New-ItemProperty -Path . -Name UninstallString -PropertyType String -Value "$UninstallPath" > $null

}

#-- colorized Read-Host
function Ask($str) {
    if ($str -cmatch "^(.+?)(\[[a-z/]*)([A-Z]+)([\w/]*\])(.*)$") {
        Write-Host -n -f Yellow     $matches[1] # Want to install
        Write-Host -n -f Gray       $matches[2] # [n/
        Write-Host -n -f DarkCyan   $matches[3] # Y
        Write-Host -n -f Green      $matches[3] # Y
        Write-Host -n -f Gray       $matches[4] # /a]
        Write-Host -n -f Yellow     $matches[5] # ?
    }
    else {
        Write-Host -n -f Yellow $str
    }
    Read-Host ; Write-Host ""

    ForEach ($task in $tasks) {
        $title, $url, $cmd, $args, $regkey, $checkpath, $is_optional, $presearch, $_found = $task;
        $checkpath = $checkpath -replace "{PYTHON}","$PYTHON"
        if (($is_optional -and !$optionalInstall) -or (!$regkey -and !$checkpath)) {
            continue
        }
        if ($presearch) {  # expression for e.g. registry → path lookup
            Invoke-Expression $presearch # should set $_found + global $PLACEHOLDER variable
            Invoke-Expression $presearch > $null # should set $_found + global $PLACEHOLDER variable
        }
        elseif ($checkpath) {
            if (Test-Path $checkpath) {
                $_found = $checkpath
            }
        }
        elseif ($regkey -and (Test-Path $regkey)) {
            $_found = $regkey -replace ".+\\", ""
            $_found = "installer/registry"
        }
        if (!$_found) {
            Write-Host "   - $title not found"
            $result = 0;
        }
        else {
            Write-Host -n "   + $title found "  # and display shortened path:

}




#-- ask before running
Clear-Host
$host.ui.RawUI.BackgroundColor = ($bckgrnd = 'Black')
Console-MaxHeight
Display-Logo
Check-Package
$PYTHON = Check-PythonInstall
$reuseCachedFiles, $optionalInstall = Ask-First
Check-Prerequisites

    # print step
    if ($title -match "\d+\.\d+") { $title = "Installing $title" }
    Write-Host -b DarkBlue "`n $title `n"
    chdir($TEMP);

    # test if element (file path or registry key) already exists:
    if ($testpath -AND ($reinstall -ne "all") -AND (Test-Path -Path $testpath)) {
        Write-Host -f Green -NoNewline " → Is already present."
        Write-Host -f DarkGreen -NoNewline " → Is already present."
        if ($reinstall -eq "none") { continue tasks }
        Switch -regex ( Ask "   Reinstall [y/N/all/none]? " ) {
            "^all|always|re|^A" { $reinstall = "all"; break }
            "never|none|skip|^S" { $reinstall = "none"; continue tasks }
            "^y|yes|1|go|^R" { break } # YES
            ".*" { continue tasks } # everything else counts as NO
        }

            if (!($file)) {
                $cmd = "& `"$PYTHON\Scripts\easy_install.exe`" $url" #"
            }
            else {
                $cmd = "& `"$PYTHON\Scripts\easy_install.exe`" $TEMP\$file" #"
            }
        }
        Write-Host -f DarkYellow   " → $cmd"
        Write-Host -f DarkGray   " → $cmd"
        Invoke-Expression "$cmd"
    }
    # msi
    elseif ($file -match ".+.msi$") {
        Write-Host -f DarkYellow (" → msiexec /i " + "$file " + $args)
        Write-Host -f DarkGray (" → msiexec /i " + "$file " + $args)
        Start-Process -Wait msiexec -ArgumentList /i,"$TEMP\$file", $args
        if ($regkey) {
            Set-ItemProperty -Path "$regkey" -Name "WindowsInstaller"  -Value "0"
        }
    }
    # exe
    elseif ($file -match ".+.exe$") {
        write-host -f DarkYellow " → $file $args"
        write-host -f DarkGray " → $file $args"
        if ($args) {
            Start-Process -Wait "$TEMP\$file" -ArgumentList $args
        }
        else {
            Start-Process -Wait "$TEMP\$file"
        }
    }