#!/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..."

ynh_systemd_action --service_name=$app --action="stop" --log_path="systemd" --line_match="Stopped Write Freely"

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

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

	# 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"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..."

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config

yunohost service add $app --description="WriteFreely daemon" --log="/var/log/$app/$app.log"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# MAKE THE UPGRADE
#=================================================
ynh_script_progression --message="Making the upgrade..."

pushd $install_dir
	ynh_mysql_execute_as_root --sql="ALTER DATABASE $db_name CHARACTER SET latin1 COLLATE latin1_swedish_ci;" --database=$db_name
	ynh_exec_as $app ./writefreely db migrate
	ynh_exec_as $app ./writefreely --migrate
	ynh_exec_as $app ./writefreely keys generate
popd

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

ynh_add_config --template="../conf/config.ini" --destination="$install_dir/config.ini"

chmod 600 "$install_dir/config.ini"
chown $app:$app "$install_dir/config.ini"

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

ynh_systemd_action --service_name=$app --action="start" --log_path="systemd" --line_match="Serving on"

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

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