#!/usr/bin/env pwsh

# this allows us to call ps1 files, which allows us to have spaces in filenames
# ('powershell "$Env:USERPROFILE\test.ps1" foo' will fail if it has a space in
# the path but '& "$Env:USERPROFILE\test.ps1" foo' will work even with a space)
Set-ExecutionPolicy -Scope Process Bypass

# If a command returns an error, halt the script.
$ErrorActionPreference = 'Stop'

# Ignore progress events from cmdlets so Invoke-WebRequest is not painfully slow
$ProgressPreference = 'SilentlyContinue'

# This is the canonical CPU arch when the process is emulated
$my_arch = "$Env:PROCESSOR_ARCHITEW6432"
IF ($my_arch -eq $null -or $my_arch -eq "") {
  # This is the canonical CPU arch when the process is native
  $my_arch = "$Env:PROCESSOR_ARCHITECTURE"
}
# TODO API should know to prefer x86 for windows when arm binary is not available
$Env:WEBI_UA = "Windows/10 $my_arch"
$exename = $args[0]

# Switch to userprofile
pushd $Env:USERPROFILE

# Make paths if needed
New-Item -Path .local\bin -ItemType Directory -Force | out-null
# TODO replace all xbin with opt\bin\
New-Item -Path .local\xbin -ItemType Directory -Force | out-null

# See note on Set-ExecutionPolicy above
Set-Content -Path .local\bin\webi.bat -Value "@echo off`r`npushd %USERPROFILE%`r`npowershell -ExecutionPolicy Bypass .local\bin\webi-pwsh.ps1 %1`r`npopd"
# Backwards-compat bugfix: remove old webi-pwsh.ps1 location
Remove-Item -Path .local\bin\webi.ps1 -Recurse -ErrorAction Ignore
if (!(Test-Path -Path .local\opt))
{
    New-Item -Path .local\opt -ItemType Directory -Force | out-null
}
# TODO windows version of mktemp -d
if (!(Test-Path -Path .local\tmp))
{
    New-Item -Path .local\tmp -ItemType Directory -Force | out-null
}

# TODO SetStrictMode
# TODO Test-Path variable:global:Env:WEBI_HOST ???
IF($Env:WEBI_HOST -eq $null -or $Env:WEBI_HOST -eq "")
{
    $Env:WEBI_HOST = "https://webinstall.dev"
}

if (!(Test-Path -Path .local\bin\pathman.exe))
{
    & curl.exe -fsSL -A "$Env:WEBI_UA" "$Env:WEBI_HOST/packages/pathman/install.ps1" -o .\.local\tmp\pathman-setup.ps1
    powershell .\.local\tmp\pathman-setup.ps1
    # TODO del .\.local\tmp\pathman-setup.bat
}

# Run pathman to set up the folder
# (using unix style path because... cmd vs powershell vs whatever)
& "$Env:USERPROFILE\.local\bin\pathman.exe" add ~/.local/bin

# {{ baseurl }}
# {{ version }}

# Fetch <whatever>.ps1
# TODO detect formats
$PKG_URL = "$Env:WEBI_HOST/api/installers/$exename.ps1?formats=zip,exe,tar"
echo "Downloading $PKG_URL"
# Invoke-WebRequest -UserAgent "Windows amd64" "$PKG_URL" -OutFile ".\.local\tmp\$exename.install.ps1"
& curl.exe -fsSL -A "$Env:WEBI_UA" "$PKG_URL" -o .\.local\tmp\$exename.install.ps1

# Run <whatever>.ps1
powershell .\.local\tmp\$exename.install.ps1

# Done
popd