#!/bin/bash
set -e

echo "Generating NetworkManager connection profile..."

WIFI_SSID=$(get-ini /boot/kioskbrowser.ini wifi ssid)
WIFI_PSK=$(get-ini /boot/kioskbrowser.ini wifi psk)

if [ -z "${WIFI_SSID}" ]; then
    echo "No WiFi SSID configured. Exiting."
    exit 0
fi

# The profile will be written to /tmp and symlinked from /etc
PROFILE_NAME="kiosk"
PROFILE_PATH="/tmp/${PROFILE_NAME}.nmconnection"

# Generate a UUID for the connection
UUID=$(uuidgen)

# Create the NetworkManager connection file
cat > "${PROFILE_PATH}" << EOF
[connection]
id=${PROFILE_NAME}
uuid=${UUID}
type=wifi
interface-name=wlan0
autoconnect=true

[wifi]
mode=infrastructure
ssid=${WIFI_SSID}

[wifi-security]
auth-alg=open
key-mgmt=wpa-psk
psk=${WIFI_PSK}

[ipv4]
method=auto

[ipv6]
method=auto
EOF

# Set the correct permissions
chmod 600 "${PROFILE_PATH}"
chown root:root "${PROFILE_PATH}"

echo "Successfully created connection profile at ${PROFILE_PATH}."