#!/bin/sh
# bee-network.sh — bring up all physical network interfaces via DHCP
# Unattended: runs silently, logs results, never blocks.

set -e

LOG_PREFIX="bee-network"

log() { echo "[$LOG_PREFIX] $*"; }

# find physical interfaces: exclude lo and virtual (docker/virbr/veth/tun/tap)
interfaces=$(ip -o link show \
    | awk -F': ' '{print $2}' \
    | grep -v '^lo$' \
    | grep -vE '^(docker|virbr|veth|tun|tap|br-|bond|dummy)' \
    | sort)

if [ -z "$interfaces" ]; then
    log "no physical interfaces found"
    exit 0
fi

for iface in $interfaces; do
    log "bringing up $iface"
    ip link set "$iface" up 2>/dev/null || { log "WARN: could not bring up $iface"; continue; }

    # DHCP: 3 retries, 5s timeout per try, exit without blocking if no offer
    if udhcpc -i "$iface" -t 3 -T 5 -n -q 2>/dev/null; then
        IP=$(ip -4 addr show "$iface" | awk '/inet /{print $2}' | head -1)
        log "OK: $iface got $IP"
    else
        log "WARN: $iface — no DHCP offer"
    fi
done

log "done"