#!/bin/bash

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

source /usr/share/yunohost/helpers

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression "Setting up source files..."

ynh_setup_source --source_id="prebuilt"  --dest_dir="$install_dir/sources"
ynh_setup_source --source_id="dotnet" --dest_dir="$install_dir/dotnet"

#=================================================
# SYSTEM CONFIGURATION
#=================================================
ynh_script_progression "Adding system configurations related to $app..."

ynh_config_add_nginx

ynh_config_add_systemd

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

ynh_hide_warnings yunohost firewall allow Both 53

yunohost service add "$app" --description="Technitium DNS Server" --log="/var/log/$app/$app.log" --needs_exposed_ports="53"

ynh_config_add --template="dnsmasq.conf" --destination="/etc/dnsmasq.d/$app.conf"

ynh_systemctl --service="dnsmasq" --action="restart"

#=================================================
# ADD A CRON JOB
#=================================================
ynh_config_add --template="logsymlink.cron" --destination="/etc/cron.d/$app"
chmod 644 "/etc/cron.d/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_systemctl --service="$app" --action="start" --log_path=systemd --wait_until="was started successfully"

#=================================================
# LINK LOGS
#=================================================
ln -sf $(ls -t /var/log/$app/dns/*.log | head -n 1) /var/log/$app/$app.log

#=================================================
# SET LOCAL ENDPOINT IP(S)
#=================================================
gateway_v4=$(ip -4 route show default | awk '{print $3}' | head -n1)
ipv4=$(ip -4 route get "$gateway_v4" 2>/dev/null | grep -oP 'src \K\S+')

gateway_v6=$(ip -6 route show default | awk '{print $3}' | head -n1)
if [ -n "$gateway_v6" ]; then
    ipv6=$(ip -6 route get "$gateway_v6" 2>/dev/null | grep -oP 'src \K\S+' | grep -v '^fe80' || true)
else
    ipv6=""
fi

if [ -n "$ipv6" ]; then
    endpoints="$ipv4:53,[$ipv6]:53"
else
    endpoints="$ipv4:53"
fi

mytoken1=$(curl -s "http://127.0.0.1:5380/api/user/createToken?user=admin&pass=admin&tokenName=mytoken1" | jq -r '.token')
curl -s "http://localhost:5380/api/settings/set?dnsServerLocalEndPoints=$endpoints&Token=$mytoken1"

#=================================================
# RESTART SYSTEMD SERVICE
#=================================================
ynh_script_progression "Starting $app's systemd service..."

ynh_systemctl --service="$app" --action="restart" --log_path=systemd --wait_until="was started successfully"

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

ynh_script_progression "Installation of $app completed"