#!/bin/bash

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

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

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

upgrade_type=$(ynh_check_app_version_changed)

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

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# 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
	date=`date +%Y-%m-%d`
	mkdir -p $install_dir
	ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="../sources/publishconf.py"
	ynh_replace_string --match_string="__PATH__" --replace_string="$path" --target_file="../sources/publishconf.py"
	ynh_replace_string --match_string="__DOMAIN__" --replace_string="$domain" --target_file="../sources/pelicanconf.py"
	ynh_replace_string --match_string="__PATH__" --replace_string="$path" --target_file="../sources/pelicanconf.py"
	ynh_replace_string --match_string="__AUTHOR__" --replace_string="$author" --target_file="../sources/pelicanconf.py"
	ynh_replace_string --match_string="__TITLE__" --replace_string="$title" --target_file="../sources/pelicanconf.py"
	ynh_replace_string --match_string="__AUTHOR__" --replace_string="$author" --target_file="../sources/content/first-article.md"
	ynh_replace_string --match_string="__DATE__" --replace_string="$date" --target_file="../sources/content/first-article.md"
	cp -a ../sources/. $install_dir
fi

# Somehow this directory is monitored, but not present upon install
[ ! -d "$install_dir/content/images" ] && mkdir -p "$install_dir/content/images"

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

#=================================================
# SPECIFIC UPGRADE
#=================================================
# BUILD APP
#=================================================
ynh_script_progression --message="Building app..." --weight=2

pushd $install_dir
	ynh_secure_remove --file="$install_dir/venv"
	python3 -m venv $install_dir/venv
	source $install_dir/venv/bin/activate
	pip install --upgrade pip
	ynh_exec_warn_less pip install pelican markdown
	pelican -s pelicanconf.py -D
	deactivate
popd

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

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

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description="Static Site Generator" --log="/var/log/$app/$app.log"

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

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

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