#!/bin/bash

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

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

server_name=$(ynh_app_setting_get --app=$app --key=server_name)

synapse_db_name="matrix_$synapse_instance"
bot_synapse_db_user="@$botname:$server_name"
appserviceid=$app

async_media=$(ynh_app_setting_get --app=$app --key=async_media)

listrelay=$(ynh_app_setting_get --app=$app --key=listrelay)
listuser=$(ynh_app_setting_get --app=$app --key=listuser)
listadmin=$(ynh_app_setting_get --app=$app --key=listadmin)

upgrade_type=$(ynh_check_app_version_changed)

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"

#=================================================
# "REBUILD" THE APP (DEPLOY NEW SOURCES, RERUN NPM BUILD...)
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

if [ "$upgrade_type" == "UPGRADE_APP" ]
then
	ynh_script_progression --message="Upgrading source files..." --weight=1

	# Download, check integrity, uncompress and patch the source from manifest.toml
	ynh_setup_source --dest_dir="$install_dir"
fi

chmod 750 "$install_dir/$APP_BIN"
chown -R $app:www-data "$install_dir"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

ynh_add_systemd_config

yunohost service add $app --description="Matrix Discord pupetting bridge for YunoHost" --log="/var/log/$app/$app.log"

# Use logrotate to manage application logfile(s)
ynh_use_logrotate --logfile "/var/log/$app/$app.log" --nonappend --specific_user $app/$app
chmod -R 600 "/var/log/$app"
chmod 700 "/var/log/$app"
chown -R $app:$app /var/log/$app

#=================================================
# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

# reset permissions to be able to apply_permissions with app_setting values after upgrade
listrelay_=$listrelay
listuser_=$listuser
listadmin_=$listadmin
listrelay="*"
listuser="@user:domain.tld"
listadmin="@admin:domain.tld"

ynh_add_config --template="config.yaml" --destination="$install_dir/config.yaml"

chmod 400 "$install_dir/config.yaml"
chown $app:$app "$install_dir/config.yaml"

listrelay=$listrelay_
listuser=$listuser_
listadmin=$listadmin_

# apply_permissions to have correct syntax in config file
set__listuser
set__listrelay
set__listadmin

#=================================================
# REGISTER SYNAPSE APP-SERVICE
#=================================================
ynh_script_progression --message="Registering Synapse app-service" --weight=1

$install_dir/$APP_BIN -g -c $install_dir/config.yaml -r /etc/matrix-$synapse_instance/app-service/$app.yaml
/opt/yunohost/matrix-$synapse_instance/update_synapse_for_appservice.sh || ynh_die "Synapse can't restart with the appservice configuration"

# Set permissions on app files
chown -R $app:$app "$install_dir"
ynh_store_file_checksum --file="/etc/matrix-$synapse_instance/app-service/$app.yaml"
ynh_store_file_checksum --file="$install_dir/config.yaml"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"

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

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