#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings…"

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
port=$(ynh_app_setting_get --app=$app --key=port)
architecture=$YNH_ARCH

#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version…"

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)…"

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	ynh_clean_check_starting
	# Restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# 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

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility…"

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

	ynh_app_setting_delete --app=$app --key=is_public
fi

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists…"

# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app

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

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# INSTALL DUNITER
#=================================================
ynh_script_progression --message="Installation of Debian package of Duniter…"

dpkg -r duniter

tempdir="$(mktemp -d)"

ynh_setup_source --dest_dir=$tempdir --source_id=$architecture
ynh_exec_warn_less dpkg -i $tempdir/duniter-server-v1.8.*-linux-*.deb

#=================================================
# MOVE DUNITER DIRECTORY
#=================================================
if [[ ! -d "${datadir}" ]]; then
	ynh_script_progression --message="Moving data directory…"
	mv /root/.config/duniter $datadir
	chmod 750 "$datadir"
	chmod -R o-rwx "$datadir"
	chown -R $app:www-data "$datadir"
fi

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

duniter config --bma --ipv4 127.0.0.1 --port $port --remoteh $domain --remotep 443 --noupnp
duniter config --ws2p-host 127.0.0.1 --ws2p-port 20901 --ws2p-remote-host $domain --ws2p-remote-port 443 --ws2p-remote-path "/ws2p" --ws2p-noupnp

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration…"

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost…"

yunohost service add $app

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

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

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server…"

ynh_systemd_action --service_name=nginx --action=reload

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

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