#!/bin/bash

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

# Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
source ../settings/scripts/_common.sh
source ../settings/scripts/ynh_mongo_db
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
	ynh_clean_check_starting
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# 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)
port=$(ynh_app_setting_get --app=$app --key=port)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
datadir=$(ynh_app_setting_get --app=$app --key=datadir)

#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..."

test ! -d $final_path \
	|| ynh_die --message="There is already a directory: $final_path "

#=================================================
# STANDARD RESTORATION STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the NGINX web server configuration..."

ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"

#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..."

# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"

#=================================================
# RESTORE THE APP MAIN DIR
#=================================================
ynh_script_progression --message="Restoring the app main directory..."

ynh_restore_file --origin_path="$final_path"

chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"

#=================================================
# RESTORE THE DATA DIRECTORY
#=================================================
ynh_script_progression --message="Restoring the data directory..."

ynh_restore_file --origin_path="$datadir" --not_mandatory

mkdir -p $datadir

chmod 750 "$datadir"
chmod -R o-rwx "$datadir"
chown -R $app:www-data "$datadir"

#=================================================
# SPECIFIC RESTORATION
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..."

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_install_mongo

#=================================================
# RESTORE THE MONGODB DATABASE
#=================================================
ynh_script_progression --message="Restoring the MongoDB database..."

db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
ynh_mongo_setup_db --db_user=$db_user --db_name=$db_name --db_pwd=$db_pwd
ynh_mongo_restore_db --database="$db_name" < ./dump.bson

#=================================================
# RESTORE SYSTEMD
#=================================================
ynh_script_progression --message="Restoring the systemd configuration..."

ynh_restore_file --origin_path="/etc/systemd/system/$app-chat.service"
systemctl enable $app-chat.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-clsi.service"
systemctl enable $app-clsi.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-contacts.service"
systemctl enable $app-contacts.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-docstore.service"
systemctl enable $app-docstore.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-document-updater.service"
systemctl enable $app-document-updater.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-filestore.service"
systemctl enable $app-filestore.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-notifications.service"
systemctl enable $app-notifications.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-real-time.service"
systemctl enable $app-real-time.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-spelling.service"
systemctl enable $app-spelling.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-track-changes.service"
systemctl enable $app-track-changes.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-web.service"
systemctl enable $app-web.service --quiet

#=================================================
# RESTORE THE LOGROTATE CONFIGURATION
#=================================================
ynh_script_progression --message="Restoring the logrotate configuration..."

mkdir -p "/var/log/$app"
chown -R $app:$app "/var/log/$app"
ynh_restore_file --origin_path="/etc/logrotate.d/$app"

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

yunohost service add "$app-chat" --log="/var/log/$app/chat.log"
yunohost service add "$app-clsi" --log="/var/log/$app/clsi.log"
yunohost service add "$app-contacts" --log="/var/log/$app/contacts.log"
yunohost service add "$app-docstore" --log="/var/log/$app/docstore.log"
yunohost service add "$app-document-updater" --log="/var/log/$app/document-updater.log"
yunohost service add "$app-filestore" --log="/var/log/$app/filestore.log"
yunohost service add "$app-notifications" --log="/var/log/$app/notifications.log"
yunohost service add "$app-real-time" --log="/var/log/$app/real-time.log"
yunohost service add "$app-spelling" --log="/var/log/$app/spelling.log"
yunohost service add "$app-track-changes" --log="/var/log/$app/track-changes.log"
yunohost service add "$app-web" --log="/var/log/$app/web.log"

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

ynh_systemd_action --service_name="$app-chat" --action="start" --log_path="/var/log/$app/chat.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-clsi" --action="start" --log_path="/var/log/$app/clsi.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-contacts" --action="start" --log_path="/var/log/$app/contacts.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-docstore" --action="start" --log_path="/var/log/$app/docstore.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-document-updater" --action="start" --log_path="/var/log/$app/document-updater.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-filestore" --action="start" --log_path="/var/log/$app/filestore.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-notifications" --action="start" --log_path="/var/log/$app/notifications.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-real-time" --action="start" --log_path="/var/log/$app/real-time.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-spelling" --action="start" --log_path="/var/log/$app/spelling.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-track-changes" --action="start" --log_path="/var/log/$app/track-changes.log" --line_match="listening on"
ynh_systemd_action --service_name="$app-web" --action="start" --log_path="/var/log/$app/web.log" --line_match="listening on" --line_match="listening on"

#=================================================
# GENERIC FINALIZATION
#=================================================
# 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="Restoration completed for $app"