PIA_USER="pXXXXX"
PIA_PASS="xxxxxx"
PUB_KEY="xxxxxx="
PRIV_KEY="xxxxxx="
#select region from list
#curl -s "https://serverlist.piaservers.net/vpninfo/servers/v6" | head -1 | jq -r '.regions[] | "Name: \(.name) ID: \(.id)"' | sort
selectedRegion="swiss"
VPN_IF="wg0_pia"

ifdown ${VPN_IF}

serverlist_url='https://serverlist.piaservers.net/vpninfo/servers/v6'
# Get all region data
all_region_data=$(curl -s "$serverlist_url" | head -1)
regionData="$( echo "$all_region_data" |
  jq --arg REGION_ID "$selectedRegion" -r \
  '.regions[] | select(.id==$REGION_ID)')"

WG_SERVER_IP=$(echo "$regionData" | jq -r '.servers.wg[0].ip')
WG_HOSTNAME=$(echo "$regionData" | jq -r '.servers.wg[0].cn')

echo $WG_SERVER_IP
echo $WG_HOSTNAME

TOKEN_RES=`wget -O - --post-data="username=$PIA_USER&password=$PIA_PASS" https://www.privateinternetaccess.com/api/client/v2/token`
TOKEN=`echo $TOKEN_RES | jq -r '.token'`

echo "$TOKEN"
echo "${#TOKEN}"

if [ ${#TOKEN} != 128 ]; then
  echo "Couldn't get token"
  exit
else
  echo "Got token"
fi

wireguard_json=`curl -k -G --data-urlencode "pt=${TOKEN}" --data-urlencode "pubkey=$PUB_KEY" "https://${WG_SERVER_IP}:1337/addKey"`

echo $wireguard_json

dnsServer=$(echo "$wireguard_json" | jq -r '.dns_servers[0]')
dnsSettingForVPN="DNS = $dnsServer"

VPN_ADDR=$(echo "$wireguard_json" | jq -r '.peer_ip')
VPN_PORT=$(echo "$wireguard_json" | jq -r '.server_port')
VPN_PUB=$(echo "$wireguard_json" | jq -r '.server_key')

uci set network.${VPN_IF}.addresses="${VPN_ADDR}"
uci set network.@wireguard_wg0_pia[0].endpoint_host="${WG_SERVER_IP}"
uci set network.@wireguard_wg0_pia[0].endpoint_port="${VPN_PORT}"
uci set network.@wireguard_wg0_pia[0].public_key="${VPN_PUB}"
uci commit
ifdown ${VPN_IF}
ifup ${VPN_IF}



echo "
[Interface]
Address = $(echo "$wireguard_json" | jq -r '.peer_ip')
PrivateKey = $PRIV_KEY
$dnsSettingForVPN
[Peer]
PersistentKeepalive = 25
PublicKey = $(echo "$wireguard_json" | jq -r '.server_key')
AllowedIPs = 0.0.0.0/0
Endpoint = ${WG_SERVER_IP}:$(echo "$wireguard_json" | jq -r '.server_port')
"