#!/usr/bin/env bash
# Upload a local text/binary file to win10: gzip+base64, appended in chunks through the relay,
# then decoded remotely and verified by SHA-256.
# usage: win10-put.sh <local-file> <remote-windows-path>
set -euo pipefail
HERE="$(cd "$(dirname "$0")" && pwd)"
LOCAL="$1"; REMOTE="$2"
TMP="$REMOTE.b64"
SHA="$(sha256sum "$LOCAL" | cut -d' ' -f1)"
B64="$(gzip -9c "$LOCAL" | base64 -w0)"
CHUNK=2400
"$HERE/win10-ps.sh" "New-Item -ItemType Directory -Force -Path (Split-Path -Parent '$REMOTE') | Out-Null; Set-Content -Path '$TMP' -Value '' -NoNewline -Encoding Ascii; 'reset'" >/dev/null
TOTAL=$(( (${#B64} + CHUNK - 1) / CHUNK ))
for ((i=0; i<${#B64}; i+=CHUNK)); do
  PART="${B64:i:CHUNK}"
  n=$(( i / CHUNK + 1 ))
  "$HERE/win10-ps.sh" "Add-Content -Path '$TMP' -Value '$PART' -NoNewline -Encoding Ascii; 'chunk $n/$TOTAL'" | tail -1
done
"$HERE/win10-ps.sh" "\$b=[Convert]::FromBase64String((Get-Content -Raw -Encoding Ascii '$TMP'))
\$ms=New-Object IO.MemoryStream(,\$b)
\$gz=New-Object IO.Compression.GZipStream(\$ms,[IO.Compression.CompressionMode]::Decompress)
\$out=New-Object IO.MemoryStream; \$gz.CopyTo(\$out)
[IO.File]::WriteAllBytes('$REMOTE',\$out.ToArray())
Remove-Item '$TMP'
'remote sha256 ' + (Get-FileHash '$REMOTE' -Algorithm SHA256).Hash.ToLower()
'expected      $SHA'"