#!/bin/sh
set -e

# Usage: netifyd-collector-setup [unix|tcp] [path_or_host:port]
# Example:
#   netifyd-collector-setup unix /tmp/netifyd-flows.json
#   netifyd-collector-setup tcp 127.0.0.1:9501

SINK_MODE="${1:-unix}"
TARGET="${2:-/tmp/netifyd-flows.json}"

configure_sink() {
	local mode="$1"
	local target="$2"

	uci set secubox-netifyd.sink.enabled=1
	if [ "$mode" = "tcp" ]; then
		local addr="${target%:*}"
		local port="${target##*:}"
		uci set secubox-netifyd.sink.type="tcp"
		uci set secubox-netifyd.sink.tcp_address="$addr"
		uci set secubox-netifyd.sink.tcp_port="$port"
	else
		uci set secubox-netifyd.sink.type="unix"
		uci set secubox-netifyd.sink.unix_path="$target"
	fi
	uci commit secubox-netifyd
}

ensure_collector_cron() {
	local entry="* * * * * /usr/bin/netifyd-collector >/dev/null 2>&1"
	local existing
	existing=$(crontab -l 2>/dev/null || true)

	if ! printf '%s\n' "$existing" | grep -Fxq "$entry"; then
		local tempfile
		tempfile=$(mktemp)
		printf '%s\n' "$existing" | grep -v '^$' >"$tempfile"
		printf '%s\n' "$entry" >>"$tempfile"
		crontab "$tempfile"
		rm -f "$tempfile"
	fi
}

log() {
	printf '%s\n' "$*"
}

log "Configuring Netifyd flow sink ($SINK_MODE -> $TARGET)"
configure_sink "$SINK_MODE" "$TARGET"
ensure_collector_cron
/etc/init.d/netifyd restart >/dev/null 2>&1 || true
log "Collector cron enabled and netifyd restarted."