#!/usr/bin/env bash
# Restore the LTP-305G matrix clock setup on a fresh Pi.
# Run as root (or with sudo). Idempotent.

set -euo pipefail

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
TARGET_USER="${TARGET_USER:-dissimulo}"
TARGET_HOME="$(getent passwd "$TARGET_USER" | cut -d: -f6)"

if [[ -z "$TARGET_HOME" ]]; then
    echo "User '$TARGET_USER' not found. Create it first or set TARGET_USER." >&2
    exit 1
fi

if [[ $EUID -ne 0 ]]; then
    echo "Run as root (sudo)." >&2
    exit 1
fi

echo "==> Installing ltp305 Python package from vendored source"
pip3 install --break-system-packages "$REPO_DIR/vendor/ltp305-python/library"

echo "==> Deploying script tree to $TARGET_HOME/Pimoroni/ltp305"
mkdir -p "$TARGET_HOME/Pimoroni"
cp -r "$REPO_DIR/deployed/home/dissimulo/Pimoroni/ltp305" "$TARGET_HOME/Pimoroni/"
chown -R "$TARGET_USER:$TARGET_USER" "$TARGET_HOME/Pimoroni"

echo "==> Installing systemd units"
install -m 0644 "$REPO_DIR/systemd/matrix0x61.service" /etc/systemd/system/matrix0x61.service
install -m 0644 "$REPO_DIR/systemd/matrix0x63.service" /etc/systemd/system/matrix0x63.service

echo "==> Reloading systemd and enabling units"
systemctl daemon-reload
systemctl enable --now matrix0x61.service matrix0x63.service

echo
echo "Done. Status:"
systemctl --no-pager status matrix0x61.service matrix0x63.service || true