#!/bin/sh
set -eu
: "${HERDR_CONNECT_BACKEND_URL:?Set HERDR_CONNECT_BACKEND_URL}"
: "${HERDR_CONNECT_ENROLLMENT_GRANT:?Generate an enrollment command in the dashboard}"
case "$HERDR_CONNECT_BACKEND_URL" in
  https://*|http://localhost:*|http://127.0.0.1:*) ;;
  *) echo 'Use HTTPS, or localhost for development.' >&2; exit 1 ;;
esac
command -v node >/dev/null
command -v herdr >/dev/null
node -e 'const [major,minor]=process.versions.node.split(".").map(Number); if(major<22||(major===22&&minor<13)) process.exit(1)' || { echo 'Install Node 22.13+ or 24 LTS first.' >&2; exit 1; }
hc_directory="${HERDR_CONNECT_PLUGIN_DIRECTORY:-${XDG_CONFIG_HOME:-$HOME/.config}/herdr-connect/plugin}"
mkdir -p "$hc_directory"
chmod 700 "$hc_directory"
for hc_file in remote.mjs remote-lifecycle.mjs remote.sha256; do
  curl --fail --silent --show-error "${HERDR_CONNECT_BACKEND_URL%/}/downloads/$hc_file" -o "$hc_directory/$hc_file"
done
node --input-type=module - "$hc_directory" <<'JS'
import {readFile} from 'node:fs/promises';
import {createHash} from 'node:crypto';
const dir=process.argv[2];
const expected=(await readFile(`${dir}/remote.sha256`,'utf8')).trim();
const actual=createHash('sha256').update(await readFile(`${dir}/remote.mjs`)).digest('hex');
if(expected!==actual) throw new Error('Plugin download checksum did not match');
JS
hc_lock="${XDG_CONFIG_HOME:-$HOME/.config}/herdr-connect/remote-helper.lock"
if [ -d "$hc_lock" ]; then
  node "$hc_directory/remote-lifecycle.mjs" stop
  hc_attempt=0
  while [ -d "$hc_lock" ] && [ "$hc_attempt" -lt 7 ]; do sleep 1; hc_attempt=$((hc_attempt+1)); done
  [ ! -d "$hc_lock" ] || { echo 'Existing helper has not released its lock yet.' >&2; exit 1; }
fi
node "$hc_directory/remote.mjs" enroll --server "$HERDR_CONNECT_BACKEND_URL" --name "${HERDR_CONNECT_MACHINE_NAME:-$(hostname)}"
unset HERDR_CONNECT_ENROLLMENT_GRANT
cat > "$hc_directory/herdr-plugin.toml" <<'TOML'
id = "herdr-connect.remote"
name = "Herdr Connect Remote"
version = "0.1.0"
min_herdr_version = "0.9.3"
description = "Connect this Herdr session to your hosted account"
platforms = ["linux", "macos", "windows"]
[[actions]]
id = "start"
title = "Connect to Herdr Connect"
command = ["node", "remote-lifecycle.mjs", "start"]
[[actions]]
id = "status"
title = "Remote helper status"
command = ["node", "remote-lifecycle.mjs", "status"]
[[actions]]
id = "stop"
title = "Disconnect remote helper"
command = ["node", "remote-lifecycle.mjs", "stop"]
TOML
herdr plugin link "$hc_directory/herdr-plugin.toml"
node "$hc_directory/remote-lifecycle.mjs" start
echo 'Installed and registered. Check your dashboard. Use the plugin start action after a reboot.'