#!/bin/bash

source _common.sh
source /usr/share/yunohost/helpers

# manage script failure
ynh_clean_setup () {
  ynh_clean_check_starting
}
ynh_abort_if_errors

# retrieve arguments
app=$YNH_APP_INSTANCE_NAME
domain=$YNH_APP_ARG_DOMAIN
is_public=$YNH_APP_ARG_IS_PUBLIC

# definie useful vars
final_path="/opt/yunohost/$app"
data_path="/home/yunohost.app/$app"
log_file="$data_path/.$app/home-assistant.log"
path_url="/"

# check domain/path availability
ynh_script_progression --message="Validating installation parameters..."
[ ! -d "$final_path" ] || ynh_die --message="This path already contains a folder"
ynh_webpath_register --app="$app" --domain="$domain" --path_url="$path_url"

# save app settings
ynh_script_progression --message="Storing installation settings..."
ynh_app_setting_set --app="$app" --key=domain --value="$domain"

# find a free port & open it
ynh_script_progression --message="Looking for a free port and opening it..."
port=$(ynh_find_port 8123)
ynh_app_setting_set --app="$app" --key=port --value="$port"
ynh_exec_fully_quiet yunohost firewall allow TCP "$port"

# create a dedicated system user
ynh_script_progression --message="Creating dedicated user, rights and folders..."
ynh_system_user_create --username="$app"

# grant sudo permissions to the user to manage his own systemd service
myynh_create_dir "/etc/sudoers.d"
ynh_add_config --template="../conf/sudoers" --destination="/etc/sudoers.d/$app"

# create a directory for the installation of Home Assistant
myynh_create_dir "$final_path"
chown $app: "$final_path"

# create a directory with its log file
myynh_create_dir "/var/log/$app"
touch "/var/log/$app/$app.log"
chown $app: "/var/log/$app/$app.log"

# create a directory for the datas of Home Assistant
myynh_create_dir "$data_path/.$app"
myynh_create_dir "$data_path/.cache"
chown -R $app: "$data_path"

# build (if needed) & install Pyhton
myynh_install_dependencies --python="$PY_REQUIRED_VERSION"

# installation in a virtual environment
ynh_script_progression --message="Installing Home Assistant in a virtual environment..."
ynh_exec_fully_quiet myynh_install_homeassistant --path="$data_path"

# set default configuration files and move all homeassistant_conf_files
ynh_script_progression --message="Configuring the installation..."
ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="../conf/homeassistant_conf_files/configuration.yaml"
ynh_replace_string --match_string="__PATH__" --replace_string="$data_path/.$app" --target_file="../conf/homeassistant_conf_files/configuration.yaml"
cp -r "../conf/homeassistant_conf_files/." "$data_path/.$app/"
chown -R $app: "$data_path/.$app"
chmod -R +x "$data_path/.$app/bin/"

# setup up systemd service
ynh_script_progression --message="Adding the dedicated service..."
ynh_replace_string --match_string="__PATH__" --replace_string="$data_path/.$app" --target_file="../conf/systemd.service"
ynh_add_systemd_config --service="$app"

## add service in admin panel
yunohost service add "$app" --log "$log_file" --description "Home Assistant server" --needs_exposed_ports $port

# start systemd service
ynh_script_progression --message="Starting the Home Assistant server..."
ynh_systemd_action --service_name="$app" --action=start --line_match="Home Assistant initialized" --log_path="/var/log/$app" --timeout=3600

# remove --verbose from service
ynh_replace_string --match_string=" --verbose" --replace_string="" --target_file="/etc/systemd/system/$app.service"
ynh_store_file_checksum --file="/etc/systemd/system/$app.service"
systemctl daemon-reload
ynh_systemd_action --service_name="$app" --action=restart

# enable logrotate
ynh_use_logrotate --logfile="$log_file"

# create a dedicated nginx config
ynh_script_progression --message="Configuring nginx web server..."
ynh_add_nginx_config

# reload nginx
ynh_systemd_action --service_name=nginx --action=reload

# unprotect app access if public (needed for Android app to work)
ynh_script_progression --message="Configuring permissions..."
[ $is_public -eq 1 ] && ynh_permission_update --permission="main" --add="visitors"

ynh_script_progression --message="Installation of $app completed" --last