package reservation

import (
	"git.staur.ca/stobbsm/kea-manage/lib/types"
)

const insertHostReservation = `INSERT INTO hosts (dhcp_identifier,
    dhcp_identifier_type,
    dhcp4_subnet_id,
    ipv4_address,
    hostname)
	VALUES (DECODE(REPLACE($1, ':', ''), 'hex'), $2, $3, (SELECT ($4::inet - '0.0.0.0'::inet)), $5);`

const getHostIDWithMacAddr = `SELECT host_id
	FROM hosts
	WHERE dhcp4_subnet_id = $1
	AND dhcp_identifier_type = $2
	AND dhcp_identifier = (DECODE(REPLACE($3, ':', ''), 'hex'));`

const insertIfNotExists = `INSERT INTO hosts (dhcp_identifier,
    dhcp_identifier_type,
    dhcp4_subnet_id,
    ipv4_address,
    hostname)
	SELECT DECODE(REPLACE($1, ':', ''), 'hex'), $2, $3, (SELECT ($4::inet - '0.0.0.0'::inet)), $5
	WHERE NOT EXISTS (
	SELECT host_id FROM hosts
	WHERE dhcp4_subnet_id = $3
	AND dhcp_identifier_type = $2
	AND dhcp_identifier = DECODE(REPLACE($1, ':', ''), 'hex'));`

type ReservationV4 struct {
	Type     int
	SubnetID int
	MacAddr  string
	Ipv4     string
	Hostname string
}

func ReserveV4MacAddr(mac string, addr string, hostname string, subnet int) *ReservationV4 {
	r := &ReservationV4{
		MacAddr:  mac,
		Type:     int(types.MacAddress),
		SubnetID: subnet,
		Ipv4:     addr,
		Hostname: hostname,
	}

	return r
}