#!/bin/bash

#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

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

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

# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS
#=================================================

app=$YNH_APP_INSTANCE_NAME

admin=$(ynh_app_setting_get --app=$app --key=admin)
password=$(ynh_app_setting_get --app=$app --key=password)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
adguard_port=$(ynh_app_setting_get --app=$app --key=adguard_port)
dns_over_https=$(ynh_app_setting_get --app=$app --key=dns_over_https)

if [ -n "$dns_over_https" ] && [ "$dns_over_https" == "1" ];
then
  dns_over_https="true"
else
  dns_over_https="false"
fi

ipv4_route_output=$(echo "$(ip -4 route get 1.2.3.4 2> /dev/null)" | head -n1)
ipv6_route_output=$(echo "$(ip -6 route get ::1.2.3.4 2> /dev/null)" | head -n1)

ipv4_addr=""
for i in $(seq "$(echo $ipv4_route_output | wc -w)" -1 1); do
    ip=$(echo $ipv4_route_output | awk "{print \$$i}")
    if ynh_validate_ip4 --ip_address=$ip; then
        ipv4_addr="- $ip"
        break
    fi
done

ipv6_addr=""
for i in $(seq "$(echo $ipv6_route_output | wc -w)" -1 1); do
    ip=$(echo $ipv6_route_output | awk "{print \$$i}")
    if ynh_validate_ip6 --ip_address=$ip; then
        ipv6_addr="- $ip"
        break
    fi
done

#=================================================
# RESET THE CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1

ynh_add_config --template="../conf/AdGuardHome.yaml" --destination="$final_path/AdGuardHome.yaml"

#=================================================
# RESTART SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Restarting a systemd service..." --weight=1

ynh_systemd_action --service_name=$app --action="restart"