#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..." --weight=1

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
password=$(ynh_app_setting_get --app=$app --key=password)

#=================================================
# 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)..." --weight=15

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# 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
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=4

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

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

if ! ynh_permission_exists --permission="admin"; then
	# Create the required permissions
	ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
fi

# Create a permission if needed
if ! ynh_permission_exists --permission="api"; then
	ynh_permission_create --permission="api" --url="/api" --allowed="visitors" --show_tile="false" --protected="true"
fi

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=2

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=15

ynh_install_app_dependencies $pkg_dependencies

#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPGRADING COUCHDB
#=================================================
ynh_script_progression --message="Upgrading couchdb..." --weight=60

COUCHDB_PASSWORD=$password
echo "couchdb couchdb/mode select standalone
couchdb couchdb/mode seen true
couchdb couchdb/bindaddress string 127.0.0.1
couchdb couchdb/bindaddress seen true
couchdb couchdb/adminpass password ${COUCHDB_PASSWORD}
couchdb couchdb/adminpass seen true
couchdb couchdb/adminpass_again password ${COUCHDB_PASSWORD}
couchdb couchdb/adminpass_again seen true" | debconf-set-selections
DEBIAN_FRONTEND=noninteractive # apt-get install -y --force-yes couchdb

apt-key adv --keyserver keyserver.ubuntu.com --recv-keys 8756C4F765C9AC3CB6B85D62379CE192D401AB61

ynh_install_extra_app_dependencies --repo="https://apache.bintray.com/couchdb-deb buster main" --package="couchdb"
# ynh_install_extra_app_dependencies --repo="https://apache.bintray.com/couchdb-deb buster main" --package="couchdb" --key="https://apache.bintray.com/couchdb-deb/dists/buster/Release.gpg"

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

ynh_add_config --template="../conf/couch_ynh.ini" --destination="$final_path/etc/local.d/couch_ynh.ini"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=2

yunohost service add $app --description="Open-source document-oriented NoSQL database" --log="/var/log/$app/$app.log" --needs_exposed_ports "$port"

#=================================================
# UPGRADE FAIL2BAN
#=================================================
ynh_script_progression --message="Reconfiguring Fail2Ban..." --weight=3

# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="/var/log/couchdb/couchdb.log" --failregex="[warning] .*couch_httpd_auth: Authentication failed for user .+ from <HOST>" --max_retry=5

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

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

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