#!/usr/bin/env bash
# One-time install of the yaris-obd systemd service on the Pi.
# Run this ON THE PI as the `yaris` user (needs sudo for the systemctl bits):
#   cd /home/yaris/app/yaris-obd && bash deploy/install_service.sh
set -euo pipefail

REPO_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
SERVICE_FILE="$REPO_DIR/deploy/yaris-obd.service"
SERVICE_NAME="yaris-obd.service"
STATUS_SUDOERS_FILE="$REPO_DIR/deploy/yaris-status-actions.sudoers"

if [ ! -d "$REPO_DIR/venv" ]; then
    echo "No venv found at $REPO_DIR/venv - creating one and installing requirements..."
    python3 -m venv "$REPO_DIR/venv"
    "$REPO_DIR/venv/bin/pip" install --upgrade pip
    "$REPO_DIR/venv/bin/pip" install -r "$REPO_DIR/requirements.txt"
fi

sudo cp "$SERVICE_FILE" "/etc/systemd/system/$SERVICE_NAME"
sudo install -m 440 "$STATUS_SUDOERS_FILE" /etc/sudoers.d/yaris-status-actions
sudo visudo -cf /etc/sudoers.d/yaris-status-actions
sudo systemctl daemon-reload
sudo systemctl enable "$SERVICE_NAME"
sudo systemctl restart "$SERVICE_NAME"

echo "Done. Check status with: sudo systemctl status $SERVICE_NAME"
echo "Logs: tail -f $REPO_DIR/yaris-obd.log  (or: sudo journalctl -u $SERVICE_NAME -f)"