#!/bin/bash

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

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

#=================================================
# CHECK VERSION
#=================================================

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd"

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

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from app.src
	ynh_setup_source --dest_dir="$install_dir"
fi

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

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADE PYTHON DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing Python dependencies..." --weight=1

pushd $install_dir
	python3 -m venv venv
	venv/bin/pip install --upgrade pip
	venv/bin/pip install -r requirements.txt
	venv/bin/pip install gunicorn
	ynh_exec_warn_less venv/bin/pybabel compile -d locales/
	mkdir -p /var/log/$app
	chown -R $app:www-data /var/log/$app
	chmod o-rwx /var/log/$app
	cat <<EOF >> wsgi.py 
from server import app

if __name__ == "__main__":
    app.run()
EOF
popd

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

ynh_add_config --template="../conf/gunicorn.py" --destination="$install_dir/gunicorn.py"
ynh_add_config --template="../conf/settings.py" --destination="$install_dir/settings.py"

for price in $(echo $prices | sed "s/,/ /g"); do
    frequency=$(echo $price | cut -d/ -f1)
    currency=$(echo $price | cut -d/ -f2)
    price_id=$(echo $price | cut -d/ -f3)
    echo "DONATION['$frequency']['$currency'] = '$price_id'" >> "$install_dir/settings.py"
done

ynh_store_file_checksum --file="$install_dir/settings.py"

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description="Simple donation form" --log="/var/log/$app/$app.log"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_script_progression --message="Securing files and directories..." --weight=1

# Set permissions on app files
chown -R $app:www-data $install_dir
chmod o=--- $install_dir

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

ynh_systemd_action --service_name=$app --action="start" --log_path="systemd"

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

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