#!/usr/bin/env bash
set -e

installTarget=/usr/share/fan-ctrl-php

# check for php and composer
if ! which php > /dev/null 2>&1 || ! which composer > /dev/null 2>&1; then
  echo 'php and composer have to be installed in order to run fan-ctrl-php'
  exit 1;
fi

# copy app, bin, composer.json, composer.lock to /usr/share/fan-ctrl-php
mkdir -p $installTarget
cp -r app bin composer.json composer.lock $installTarget

# install composer dependencies
pushd $installTarget > /dev/null
composer install -no
popd > /dev/null

# create symlink to bin/fan-ctrl in /usr/bin/
ln -s $installTarget/bin/fan-ctrl /usr/bin/fan-ctrl

# install fan-ctrl.service in /etc/systemd/system/
{
 echo '[Unit]'
 echo 'Description=A fan control service written in php'
 echo ''
 echo '[Service]'
 echo 'User=root'
 echo 'WorkingDirectory='$installTarget
 echo 'ExecStart=/usr/bin/fan-ctrl daemon'
 echo 'Restart=always'
 echo ''
 echo '[Install]'
 echo 'WantedBy=multi-user.target'
} > /etc/systemd/system/fan-ctrl.service

echo Fan Control PHP successfully installed. Enable the service with \$ systemctl enable fan-ctrl.service
if ! test -f /etc/fan-ctrl.php; then
  echo To create a configuration file and test the fans use \$ fan-ctrl config
fi