#!/usr/bin/env bash
set -euo pipefail

if [[ ${EUID} -ne 0 ]]; then
    echo "Ejecute este script con sudo." >&2
    exit 1
fi

PROJECT_SOURCE="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
PROJECT_TARGET="/opt/photobioreactor"
CONFIG_TARGET="/etc/photobioreactor"
SERVICE_USER="photobioreactor"

apt-get update
apt-get install -y nodejs npm nginx i2c-tools build-essential

if ! id "${SERVICE_USER}" >/dev/null 2>&1; then
    useradd --system --create-home --groups i2c "${SERVICE_USER}"
fi

install -d -o "${SERVICE_USER}" -g "${SERVICE_USER}" "${PROJECT_TARGET}"
install -d -o "${SERVICE_USER}" -g "${SERVICE_USER}" "${CONFIG_TARGET}"
cp -a "${PROJECT_SOURCE}/." "${PROJECT_TARGET}/"
rm -rf "${PROJECT_TARGET}/node_modules"

cd "${PROJECT_TARGET}"
npm ci --omit=dev
make -C sensors/EZOCommand
chown -R "${SERVICE_USER}:${SERVICE_USER}" "${PROJECT_TARGET}"

install -m 0644 deployment/photobioreactor.env /etc/default/photobioreactor
install -o "${SERVICE_USER}" -g "${SERVICE_USER}" -m 0600 \
    config/notifications.json "${CONFIG_TARGET}/notifications.json"
install -m 0644 deployment/photobioreactor-api.service /etc/systemd/system/
install -m 0644 deployment/photobioreactor-acquisition.service /etc/systemd/system/
install -m 0644 deployment/nginx-photobioreactor.conf \
    /etc/nginx/sites-available/photobioreactor
ln -sfn /etc/nginx/sites-available/photobioreactor \
    /etc/nginx/sites-enabled/photobioreactor
rm -f /etc/nginx/sites-enabled/default

systemctl daemon-reload
nginx -t
systemctl enable --now photobioreactor-api
systemctl enable --now photobioreactor-acquisition
systemctl reload nginx

echo "Instalación terminada. Revise: systemctl status photobioreactor-*"