#!/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)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
db_pwd=$(ynh_app_setting_get --app=$app --key=psqlpwd)
port=$(ynh_app_setting_get --app=$app --key=port)
nextclouddomain=$(ynh_app_setting_get --app=$app --key=nextclouddomain)

#=================================================
# 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 () {
	# 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..."

# If db_name doesn't exist, create it
if [ -z "$db_name" ]; then
	db_name=$(ynh_sanitize_dbid --db_name=$app)
	ynh_app_setting_set --app=$app --key=db_name --value=$db_name
fi

# If final_path doesn't exist, create it
if [ -z "$final_path" ]; then
	final_path=/var/www/$app
	ynh_app_setting_set --app=$app --key=final_path --value=$final_path
fi

if [ -z "$db_pwd" ]; then
    db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
    ynh_app_setting_set --app=$app --key=db_pwd
    ynh_app_setting_set --app=$app --key=psqlpwd --value=$db_pwd
fi

# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
	ynh_legacy_permissions_delete_all

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

ynh_secure_remove --file="/etc/apt/sources.list.d/onlyoffice.list"
ynh_secure_remove --file="/etc/apt/sources.list.d/nodesource.list"

#=================================================
# 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=$app --home_dir="$final_path"

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

ynh_exec_warn_less ynh_install_app_dependencies $pkg_dependencies
ynh_exec_warn_less ynh_install_extra_app_dependencies --repo="deb http://deb.debian.org/debian/ buster main contrib" --package=$contrib_dependencies --key="https://ftp-master.debian.org/keys/release-$(lsb_release --release --short).asc"

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

if [ "$path_url" = "/" ]; then
   ynh_replace_string --match_string="__SUB_PATH__" --replace_string="" --target_file="../conf/nginx.conf"
else
  ynh_replace_string --match_string="__SUB_PATH__" --replace_string="$path_url" --target_file="../conf/nginx.conf"
fi

# Create a dedicated nginx config
ynh_add_nginx_config "nextclouddomain"

#=================================================
# SPECIFIC UPGRADE
#=================================================
# CONFIGURE ONLYOFFICE
#=================================================
ynh_script_progression --message="Configuring OnlyOffice..."

ynh_backup_if_checksum_is_different --file="/etc/onlyoffice/documentserver/default.json"
echo onlyoffice-documentserver onlyoffice/ds-port select $port | debconf-set-selections
echo onlyoffice-documentserver onlyoffice/db-host string 127.0.0.1 | debconf-set-selections
echo onlyoffice-documentserver onlyoffice/db-user string $db_user | debconf-set-selections
echo onlyoffice-documentserver onlyoffice/db-pwd password $db_pwd | debconf-set-selections
echo onlyoffice-documentserver onlyoffice/db-name string $db_name | debconf-set-selections

#=================================================
# UPGRADE ONLYOFFICE
#=================================================
ynh_script_progression --message="Upgrading OnlyOffice..."

ynh_remove_extra_repo --name="$app" # backward compat
apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys CB2DE8E5

# ynh_remove_app_dependencies
ynh_install_extra_app_dependencies --repo="https://download.onlyoffice.com/repo/debian squeeze main" --package=$extra_dependencies --key="https://ftp-master.debian.org/keys/release-$(lsb_release --release --short).asc"

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

ynh_backup_if_checksum_is_different --file="/etc/onlyoffice/documentserver/default.json"

ynh_replace_string --match_string="\"rejectUnauthorized\": true" --replace_string="\"rejectUnauthorized\": false" --target_file="/etc/onlyoffice/documentserver/default.json"

# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="/etc/onlyoffice/documentserver/default.json"

#=================================================
# REGENERATE FONTS
#=================================================
ynh_script_progression --message="Generating fonts..."

/usr/bin/documentserver-generate-allfonts.sh

#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R ds:ds "$final_path"

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

supervisorctl reload

sleep 30

#=================================================
# 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"