#!/bin/bash

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

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

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD VENV
#=================================================
ynh_script_progression --message="Building venv..." --weight=6

__ynh_python_venv_setup --venv_dir="$install_dir/venv" --packages "${pip_dependencies[*]}"
python_venv_site_packages=$(__ynh_python_venv_get_site_packages_dir -d "$install_dir/venv")

chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R $app:www-data "$install_dir"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=1

# Create a dedicated NGINX config
## Needs $python_venv_site_packages
ynh_add_nginx_config

#=================================================
# ADD A CONFIGURATION
#=================================================
ynh_script_progression --message="Adding a configuration file..."

# Secret key for cookies encryption.
secret_key=$(ynh_string_random --length=32)
ynh_app_setting_set --app=$app --key=secret_key --value=$secret_key

#run source in a 'sub shell'
(
	set +o nounset
	source "${install_dir}/venv/bin/activate"
	set -o nounset
	python3 ../conf/hash_generator.py $password > ${install_dir}/key.txt
)

hashed_password=$(cat "$install_dir/key.txt")
ynh_secure_remove --file="$install_dir/key.txt"
ynh_app_setting_set --app=$app --key=hashed_password --value=$hashed_password

ynh_add_config --template="../conf/gunicorn.conf.py" --destination="$install_dir/gunicorn.conf.py"
chmod 640 "$install_dir/gunicorn.conf.py"
chown $app:$app "$install_dir/gunicorn.conf.py"

# Allows to comment some config lines if not using sub path
sub_path_only="$(if [[ "$path" == "/" ]]; then echo '# ' ; else echo ''; fi)"

ynh_add_config --template="../conf/ihatemoney.cfg" --destination="$install_dir/ihatemoney.cfg"
chmod 640 "$install_dir/ihatemoney.cfg"
chown $app:$app "$install_dir/ihatemoney.cfg"

# Configure log directory
mkdir -p "/var/log/$app"
chown -R $app:$app "/var/log/$app"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# GENERIC FINALIZATION
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add $app --description="$app daemon for IHateMoney" --log=systemd

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --line_match="Listening at"

# line_match isn't enough because ihatemoney may stop if database upgrades
for _ in {1..20}; do
	test -S /tmp/budget.gunicorn_$app.sock && break
	sleep 1
done

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

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