#!/bin/ash

CFG=/etc/board.json

. /usr/share/libubox/jshn.sh

json_select_array() {
	local _json_no_warning=1

	json_select "$1"
	[ $? = 0 ] && return

	json_add_array "$1"
	json_close_array

	json_select "$1"
}

json_select_object() {
	local _json_no_warning=1

	json_select "$1"
	[ $? = 0 ] && return

	json_add_object "$1"
	json_close_object

	json_select "$1"
}

_ucidef_set_interface() {
	local name="$1"
	local iface="$2"

	json_select_object "$name"
	json_add_string ifname "${iface%%.*}"
	[ "$iface" = "${iface%%.*}" ] || json_add_boolean create_vlan 1
	json_select ..
}

ucidef_set_board_id() {
	json_select_object model
	json_add_string id "$1"
	json_select ..
}

ucidef_set_model_name() {
	json_select_object model
	json_add_string name "$1"
	json_select ..
}

ucidef_set_interface_loopback()
{
	# stub
	local a="$1"
}

ucidef_set_interface_lan() {
	local lan_if="$1"

	json_select_object network
	_ucidef_set_interface lan "$lan_if"
	json_select ..
}

ucidef_set_interface_wan() {
        local wan_if="$1"

        json_select_object network
        _ucidef_set_interface wan "$wan_if"
        json_select ..
}

ucidef_set_interfaces_lan_wan() {
	local lan_if="$1"
	local wan_if="$2"

	json_select_object network
	_ucidef_set_interface lan "$lan_if"
	_ucidef_set_interface wan "$wan_if"
	json_select ..
}

ucidef_add_switch() {
	local name="$1"
	local reset="$2"
	local enable="$3"

	json_select_object switch

	json_select_object "$name"
	json_add_boolean enable "$enable"
	json_add_boolean reset "$reset"
	json_select ..

	json_select ..
}

ucidef_add_switch_attr() {
	local name="$1"
	local key="$2"
	local val="$3"

	json_select_object switch
	json_select_object "$name"

	case "$val" in
		[0-9]) json_add_int "$key" "$val" ;;
		*) json_add_string "$key" "$val" ;;
	esac

	json_select ..
	json_select ..
}

ucidef_add_switch_ports() {
	local name="$1"; shift
	local port num role dev idx tag

	json_select_object switch
	json_select_object "$name"
	json_select_array ports

	for port in "$@"; do
		case "$port" in
			[0-9]*@*)
				num="${port%%@*}"
				dev="${port##*@}"
				tag=0
				[ "${num%t}" != "$num" ] && {
					num="${num%t}"
					tag=1
				}
			;;
			[0-9]*:*:[0-9]*)
				num="${port%%:*}"
				idx="${port##*:}"
				role="${port#[0-9]*:}"; role="${role%:*}"
			;;
			[0-9]*:*)
				num="${port%%:*}"
				role="${port##*:}"
			;;
		esac

		if [ -n "$num" ] && [ -n "$dev$role" ]; then
			json_add_object
			json_add_int num "$num"
			[ -n "$dev" ] && json_add_string device "$dev"
			[ -n "$tag" ] && json_add_boolean need_tag "$tag"
			[ -n "$role" ] && json_add_string role "$role"
			[ -n "$idx" ] && json_add_int index "$idx"
			json_close_object
		fi

		unset num dev role idx tag
	done

	json_select ..
	json_select ..
	json_select ..
}

ucidef_add_switch_port_attr() {
	local name="$1"
	local port="$2"
	local key="$3"
	local val="$4"
	local ports i num

	json_select_object switch
	json_select_object "$name"

	json_get_keys ports ports
	json_select_array ports

	for i in $ports; do
		json_select "$i"
		json_get_var num num

		if [ -n "$num" ] && [ $num -eq $port ]; then
			json_select_object attr

			case "$val" in
				[0-9]) json_add_int "$key" "$val" ;;
				*) json_add_string "$key" "$val" ;;
			esac

			json_select ..
		fi

		json_select ..
	done

	json_select ..
	json_select ..
	json_select ..
}

ucidef_add_switch_vlan() {
	local name="$1"
	local vlan="$2"
	local ports="$3"
	local cpu_port=''

	case "$vlan" in
	1)	vlan=lan;;
	2)	vlan=wan;;
	*)	vlan=vlan$vlan;;
	esac

	json_select_object switch
	json_select_object "$name"
	json_select_object vlans

	json_add_array "$vlan"
	for p in $ports; do
		if [ ${p%t} != $p ]; then
			cpu_port=$p
		else
			json_add_int "" $p
		fi
	done
	json_close_array

	json_select ..
	[ -n "$cpu_port" ] && json_add_int cpu_port "$cpu_port"
	json_select ..
	json_select ..
}

ucidef_set_interface_macaddr() {
	local network="$1"
	local macaddr="$2"

	json_select_object network

	json_select "$network"
	[ $? -eq 0 ] || {
		json_select ..
		return
	}

	json_add_string macaddr "$macaddr"
	json_select ..

	json_select ..
}

ucidef_set_led_netdev() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local dev="$4"

	json_select_object led

	json_select_object "$1"
	json_add_string name "$name"
	json_add_string type netdev
	json_add_string sysfs "$sysfs"
	json_add_string device "$dev"
	json_select ..

	json_select ..
}

ucidef_set_led_usbdev() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local dev="$4"

	json_select_object led

	json_select_object "$1"
	json_add_string name "$name"
	json_add_string type usb
	json_add_string sysfs "$sysfs"
	json_add_string device "$dev"
	json_select ..

	json_select ..
}

ucidef_set_led_wlan() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local trigger="$4"

	json_select_object led

	json_select_object "$1"
	json_add_string name "$name"
	json_add_string type trigger
	json_add_string sysfs "$sysfs"
	json_add_string trigger "$trigger"
	json_select ..

	json_select ..
}

ucidef_set_led_switch() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local trigger="$4"
	local port_mask="$5"

	json_select_object led

	json_select_object "$1"
	json_add_string name "$name"
	json_add_string type switch
	json_add_string sysfs "$sysfs"
	json_add_string trigger "$trigger"
	json_add_string port_mask "$port_mask"
	json_select ..

	json_select ..
}

ucidef_set_led_default() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local default="$4"

	json_select_object led

	json_select_object "$1"
	json_add_string name "$name"
	json_add_string sysfs "$sysfs"
	json_add_string default "$default"
	json_select ..

	json_select ..
}

ucidef_set_led_gpio() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local gpio="$4"
	local inverted="$5"

	json_select_object led

	json_select_object "$1"
	json_add_string type gpio
	json_add_string name "$name"
	json_add_string sysfs "$sysfs"
	json_add_string trigger "$trigger"
	json_add_int gpio "$gpio"
	json_add_boolean inverted "$inverted"
	json_select ..

	json_select ..
}

ucidef_set_led_rssi() {
	local cfg="led_$1"
	local name="$2"
	local sysfs="$3"
	local iface="$4"
	local minq="$5"
	local maxq="$6"
	local offset="$7"
	local factor="$8"

	json_select_object led

	json_select_object "$1"
	json_add_string type rssi
	json_add_string name "$name"
	json_add_string iface "$iface"
	json_add_string sysfs "$sysfs"
	json_add_string minq "$minq"
	json_add_string maxq "$maxq"
	json_add_string offset "$offset"
	json_add_string factor "$factor"
	json_select ..

	json_select ..
}

ucidef_set_rssimon() {
	local dev="$1"
	local refresh="$2"
	local threshold="$3"

	json_select_object rssimon

	json_select_object "$dev"
	[ -n "$refresh" ] && json_add_int refresh "$refresh"
	[ -n "$threshold" ] && json_add_int threshold "$threshold"
	json_select ..

	json_select ..

}

board_config_update() {
	json_init
	[ -f ${CFG} ] && json_load "$(cat ${CFG})"
}

board_config_flush() {
	json_dump -i > /tmp/.board.json
	mv /tmp/.board.json ${CFG}
}