#!/bin/bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

#=================================================
# DEFINE USEFULL VARS / SETTINGS
#=================================================

log_file="/var/log/$app/$app.log"
ynh_app_setting_set --app=$app --key=log_file --value="$log_file"

#=================================================
# APP "BUILD" (DEPLOYING SOURCES, VENV, COMPILING ETC)
#=================================================
# CHECK PYTHON VERSION AND COMPILE IF NEEDED
#=================================================

ynh_script_progression --message="Check Python version & compile the required one if needed..." --weight=1
myynh_install_python --python="$py_required_version"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

ynh_script_progression --message="Setting up source files..."

# create a directory for the installation of Home Assistant
myynh_create_dir "$install_dir"

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

# create a directory for the logs of Home Assistant
mkdir -p "$(dirname "$log_file")"
touch "$log_file"

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

#=================================================
# SYSTEM CONFIGURATION
#=================================================

ynh_script_progression --message="Adding system configurations related to $app ..." --weight=1

# Create a dedicated NGINX config using the conf/nginx.conf template
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

# Create a dedicated service in YunoHost
yunohost service add $app --description="Home Assistant server" --log="$log_file"

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --logfile="$log_file"

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="$log_file" --failregex="Login attempt or request with invalid authentication from <HOST>"

# 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"

#=================================================
# APP INITIAL CONFIGURATION
#=================================================
# ADD A CONFIGURATION
#=================================================

ynh_script_progression --message="Adding a configuration file..." --weight=1

cp -r "../conf/homeassistant_conf_files/." "$data_dir/"
ynh_add_config --template="../conf/homeassistant_conf_files/configuration.yaml" --destination="$data_dir/configuration.yaml"

#=================================================
# SET FILE OWNERSHIP / PERMISSIONS
#=================================================

myynh_set_permissions

#=================================================
# START SYSTEMD SERVICE
#=================================================

ynh_script_progression --message="Starting a systemd service..."

# start systemd service with --verbose 
ynh_systemd_action --service_name=$app --action=start --line_match="Home Assistant initialized" --log_path="$log_file" --timeout=3600

# remove --verbose from systemd 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

#=================================================
# END OF SCRIPT
#=================================================

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