#!/bin/bash
# Deploy the LG TV bridge on steel141. Idempotent — safe to re-run.
# Run as a user with sudo. Reads MQTT password from $HOMELAB_PASSWORD.
set -euo pipefail
cd "$(dirname "$0")"

echo "Installing control script + bridge to /usr/local/bin ..."
sudo install -m 0755 lgtv.sh        /usr/local/bin/lgtv.sh
sudo install -m 0755 lgtv_mqtt.py   /usr/local/bin/lgtv_mqtt.py

echo "Writing /etc/lgtv/lgtv.env (root:root 0600) ..."
sudo mkdir -p /etc/lgtv
if [[ -z "${HOMELAB_PASSWORD:-}" ]]; then
    echo "  WARNING: \$HOMELAB_PASSWORD not set — leaving existing env untouched." >&2
    [[ -f /etc/lgtv/lgtv.env ]] || { echo "  ERROR: no /etc/lgtv/lgtv.env exists; set HOMELAB_PASSWORD and re-run." >&2; exit 1; }
else
    printf 'MQTT_PASSWORD=%s\n' "$HOMELAB_PASSWORD" | sudo tee /etc/lgtv/lgtv.env >/dev/null
    sudo chmod 600 /etc/lgtv/lgtv.env
fi

echo "Installing systemd unit ..."
sudo install -m 0644 lgtv-mqtt.service /etc/systemd/system/lgtv-mqtt.service
sudo systemctl daemon-reload
sudo systemctl enable --now lgtv-mqtt.service

echo "Done. Status:"
systemctl --no-pager --full status lgtv-mqtt.service | head -12