#!/bin/bash

#=================================================
# GENERIC START
#=================================================

# Source YunoHost helpers
source /usr/share/yunohost/helpers

# Stop script if errors
ynh_abort_if_errors

# Import common cmd
source ./experimental_helper.sh
source ./_common.sh

# Init get Final path
get_configuration

# Retrieve arguments
domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_normalize_url_path $(ynh_app_setting_get $app path))
installed_version=$(ynh_app_setting_get $app installed_version)
seahub_port=$(ynh_app_setting_get $app seahub_port)
fileserver_port=$(ynh_app_setting_get $app fileserver_port)
webdav_port=$(ynh_app_setting_get $app webdav_port)
root_pwd=$(cat /etc/yunohost/mysql)

# Get configuration for user and final path
get_configuration

# stop seafile server
systemctl stop seafile-server.service
sleep 2
pkill -f seafile-controller || true
pkill -f seaf-server || true
pkill -f ccnet-server || true
pkill -f seahub || true

#=================================================
# MIGRATION FROM OLD VERSION
#=================================================

# extract new version
test -e $final_path/seafile-server-$seafile_version && ynh_secure_remove "$final_path/seafile-server-$seafile_version"
install_source

# permission to execute update script and expect helper
chmod +x expect_scripts/upgrade_*.exp
chmod +x expect_scripts/minor-upgrade.exp
chmod +x $final_path/seafile-server-$seafile_version/upgrade/upgrade_*.sh
chmod +x $final_path/seafile-server-$seafile_version/upgrade/minor-upgrade.sh

# do the upgrade    ( the ";&" syntax mean when it go in the frist cas how are true it do the next case)
case $installed_version in
"4.0."* )
	# Update seafile by script
	expect_scripts/upgrade_4.1.1.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"4.1."* )
	# Update seafile by script
	expect_scripts/upgrade_4.2.1.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"4.3."* )
	# Update seafile by script
	expect_scripts/upgrade_4.4.3.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"4.4."* )
	# Update seafile by script
	expect_scripts/upgrade_5.0.3.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"5.0."* )
	# Update seafile by script
	expect_scripts/upgrade_5.1.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"5.1."* )
	# Update seafile by script
	expect_scripts/upgrade_6.0.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"6.0."* )
	python3 ../conf/update_sso_conf.py || true
	install_dependance
	
	# Update seafile by script
	expect_scripts/upgrade_6.1.exp $final_path/seafile-server-$seafile_version $root_pwd
	
	# Enable manually wiki
	echo 'ENABLE_WIKI = True' | tee -a $final_path/conf/seahub_settings.py
;&
"6.1."* )
	# Update seafile by script
	expect_scripts/upgrade_6.2.exp $final_path/seafile-server-$seafile_version $root_pwd
;&
"6.2."* )
	# Update seafile by script
	expect_scripts/upgrade_6.3.exp $final_path/seafile-server-$seafile_version $root_pwd
	
	# Update logrotate to have the last version
	ynh_use_logrotate $final_path/logs --non-append
;&
esac

expect_scripts/minor-upgrade.exp $final_path/seafile-server-$seafile_version $root_pwd

## Install webdav and logrotate if not installed
if [[ $installed_version = "4.0."* ]] || [[ $installed_version = "4.1."* ]]
then
	webdav_port=$(ynh_find_port 8080)
	ynh_app_setting_set seafile webdav_port $webdav_port
	
	# Disallow port that was used by old seafile client
	ccnet_port=$(ynh_app_setting_get $app ccnet_port)
	seafile_port=$(ynh_app_setting_get $app seafile_port)
	yunohost firewall disallow Both $ccnet_port
	yunohost firewall disallow Both $seafile_port
	
	# Add webdav config
	cp ../conf/seafdav.conf $final_path/conf/seafdav.conf
	ynh_replace_string WEBDAV_PORT $webdav_port $final_path/conf/seafdav.conf
	
	# Add sso config to unprotect domain.tld/seafdav in /etc/ssowat/conf.json.persistent
	cp ../conf/add_sso_conf.py $final_path
	cp ../conf/add_sso_conf_webdav.py $final_path
	cp ../conf/remove_sso_conf.py $final_path
	python3 $final_path/add_sso_conf_webdav.py
	
	# Update seafile config
	echo 'COMPRESS_URL = MEDIA_URL' | tee -a $final_path/conf/seahub_settings.py
	echo "STATIC_URL = MEDIA_URL + 'assets/'" | tee -a $final_path/conf/seahub_settings.py
	
	# Add logrotate
	ynh_use_logrotate $final_path/logs
fi

# Update seahub config for old version to version 5.0.4
if [[ $(grep -c "LOGIN_URL" $final_path/conf/seahub_settings.py) == 0 ]]
then
        echo "LOGIN_URL = '$path_url/accounts/login/'" | tee -a $final_path/conf/seahub_settings.py
fi

# Fix local warning
ynh_replace_string en_US.UTF-8 $LANG $final_path/seafile-server-$seafile_version/seahub.sh

#=================================================
# STANDARD UPGRADE STEPS
#=================================================

# Config nginx
config_nginx

# Update init file
cp ../conf/seafile-server /etc/init.d
ynh_replace_string SEAHUB_PORT $seahub_port /etc/init.d/seafile-server
ynh_replace_string SEAFILE_DIR $final_path /etc/init.d/seafile-server
ynh_replace_string SEAFILE_USER $seafile_user /etc/init.d/seafile-server
chmod +x /etc/init.d/seafile-server
systemctl daemon-reload

#=================================================
# GENERIC FINALIZATION
#=================================================

# restore correct permissions
chown -R $seafile_user:$seafile_user $final_path

# delete seafile cache
ynh_secure_remove /tmp/seahub_cache

# restart seafile server
sleep 5
system_reload seafile-server start

# remove old version files
ls $final_path | grep "seafile-server-" | egrep -v "(${seafile_version//./\\.})|(latest)" | \
while read f
do
    ynh_secure_remove $final_path/$f
done

# store new installed version
ynh_app_setting_set $app installed_version $seafile_version

# Reload nginx
systemctl reload nginx.service