#! /bin/bash

# sudo apt update
sudo apt install git vim python3 python3-pip chromium-browser
sudo apt-get install -y python3 python3-dev python3-venv python3-pip libffi-dev libssl-dev libjpeg-dev zlib1g-dev autoconf build-essential libopenjp2-7 libtiff5 libturbojpeg0-dev tzdata
sudo useradd -rm homeassistant
sudo mkdir /srv/homeassistant
sudo chown homeassistant:homeassistant /srv/homeassistant

sudo su homeassistant -c "
cd /srv/homeassistant &&
python3 -m venv . &&
source bin/activate &&
python3 -m pip install wheel &&
pip3 install homeassistant 
"

cat <<EOF | sudo tee /etc/systemd/system/home-assistant@homeassistant.service
[Unit]
Description=Home Assistant
After=network-online.target

[Service]
Type=simple
User=%i
WorkingDirectory=/home/%i/.homeassistant
ExecStart=/srv/homeassistant/bin/hass -c "/home/%i/.homeassistant"
RestartForceExitStatus=100

[Install]
WantedBy=multi-user.target
EOF

sudo apt-get install -y apt-transport-https software-properties-common wget
wget -q -O - https://packages.grafana.com/gpg.key | sudo apt-key add -
echo "deb https://packages.grafana.com/oss/deb stable main" | sudo tee -a /etc/apt/sources.list.d/grafana.list
sudo apt-get update
sudo apt-get install grafana
cat <<EOF > /etc/systemd/system/grafana-server.service.d/override.conf
[Service]
# Give the CAP_NET_BIND_SERVICE capability
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE

# A private user cannot have process capabilities on the host's user
# namespace and thus CAP_NET_BIND_SERVICE has no effect.
PrivateUsers=false
EOF
sudo systemctl daemon-reload
sudo systemctl enable home-assistant@homeassistant.service
sudo systemctl start home-assistant@homeassistant.service
sudo systemctl status home-assistant@homeassistant.service
sudo systemctl enable grafana-server
sudo systemctl start grafana-server
sudo systemctl status grafana-server

echo "
# create user in home ass
# go to user profile in home ass 
# get long lived access token like eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.eyJpc3MiOiJlM2ZkY2VmZjYyODQ0OWQ5OGY2OTRlNmU2YjUxYzUyYSIsImlhdCI6MTY1MTg0ODU0NiwiZXhwIjoxOTY3MjA4NTQ2fQ.R6_My5eBUMcgompY3L3SbTUCTEIffQaNMUHyUw8sro0
"
read -p "Please provide your access token: " TOKEN
cat << EOF | sudo tee /etc/grafana/grafana.ini
metrics:
  wal_directory: /var/tmp/wal
  configs:
    - name: integrations
      scrape_configs:
        - job_name: integrations/hass
          metrics_path: /api/prometheus
          bearer_token: "$TOKEN"
          scheme: http
          static_configs:
            - targets: ['localhost:8123']
      remote_write:
        - url: http://cortex:9009/api/prom/push
EOF

sudo systemctl reload grafana-server