#!/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 /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)

focus_user=$(ynh_app_setting_get --app=$app --key=focus_user)
focus_password=$(ynh_app_setting_get --app=$app --key=focus_password)
focus_secret=$(ynh_app_setting_get --app=$app --key=focus_secret)

videobridge_user=$(ynh_app_setting_get --app=$app --key=videobridge_user)
videobridge_secret=$(ynh_app_setting_get --app=$app --key=videobridge_secret)

port=$(ynh_app_setting_get --app=$app --key=port)
port_videobridge=$(ynh_app_setting_get --app=$app --key=port_videobridge)
port_component=$(ynh_app_setting_get --app=$app --key=port_component)

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

chown -R root: $final_path

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

# Define and install dependencies
ynh_install_app_dependencies $pkg_dependencies

if ! yunohost app list | grep -q "prosody"
then
	yunohost tools update
	yunohost app install prosody
else
	yunohost tools update
	yunohost app upgrade prosody
fi

ynh_app_setting_set --app=$app --key=require_prosody --value="1"

#=================================================
# CONFIGURE FIREWALL
#=================================================
ynh_script_progression --message="Configuring firewall..."

# Open this port
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP $port_videobridge

#=================================================
# CONFIGURE PROSODY
#=================================================
ynh_script_progression --message="Configuring prosody..."

ynh_restore_file --origin_path="/etc/prosody/conf.avail/$domain.cfg.lua"
ln -s "/etc/prosody/conf.avail/$domain.cfg.lua" "/etc/prosody/conf.d/$domain.cfg.lua"

ln -sf /var/lib/prosody/$domain.key /etc/prosody/certs/$domain.key
ln -sf /var/lib/prosody/$domain.crt /etc/prosody/certs/$domain.crt

ln -sf "/var/lib/prosody/auth.$domain.key" "/etc/prosody/certs/auth.$domain.key"
ln -sf "/var/lib/prosody/auth.$domain.crt" "/etc/prosody/certs/auth.$domain.crt"
ln -sf "/var/lib/prosody/auth.$domain.crt" "/usr/local/share/ca-certificates/auth.$domain.crt"

update-ca-certificates -f

ynh_systemd_action --service_name="prosody" --action="restart"

prosodyctl register "$focus_user" "auth.$domain" "$focus_password"

prosodyctl register "$videobridge_user" "auth.$domain" "$videobridge_secret"

prosodyctl mod_roster_command subscribe $focus_user.$domain $focus_user@auth.$domain

#=================================================
# RESTORE THE APP CONFIG
#=================================================
ynh_script_progression --message="Restoring the app config..."

ynh_restore_file --origin_path="/etc/$app"

#=================================================
# CREATE LOG DIR
#=================================================
ynh_script_progression --message="Creating log dir..."

mkdir -p "/var/log/$app"
chown -R $app: /var/log/$app

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

ynh_restore_file --origin_path="/etc/systemd/system/$app-videobridge.service"
systemctl enable $app-videobridge.service --quiet
ynh_restore_file --origin_path="/etc/systemd/system/$app-jicofo.service"
systemctl enable $app-jicofo.service --quiet

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

ynh_restore_file --origin_path="/etc/logrotate.d/$app"

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

yunohost service add $app-videobridge --log "/var/log/$app/$app-videobridge.log" --needs_exposed_ports $port $port_videobridge
yunohost service add $app-jicofo --log "/var/log/$app/$app-jicofo.log"

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

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

#=================================================
# GENERIC FINALIZATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
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"