#!/bin/bash

. ./lib/db.sh
. ./lib/colors.sh
. ./lib/vpc.sh
. ./lib/dhcp.sh

function check_subnet_exist {
    local vpc_name="${1}"
    local subnet_name="${2}"
    local vxlan_id="${3}"
    local subnet_id="${4}"

    print_in_color "${COLOR_GREY}" "Check in db if ${subnet_name} exist"
    check_in_db subnet "${subnet_name};${vpc_name}"
    [ "$?" -eq "0" ] || return 1
    print_in_color "${COLOR_GREY}" "Check in linux if ${subnet_name} exist"
    ip                  link show | grep -E '^[0-9]*:'|sed -e 's/ //g' | cut -d: -f 2 | grep "br-${subnet_id}"       > /dev/null || return 1
    ip -n "${vpc_name}" link show | grep -E '^[0-9]*:'|sed -e 's/ //g' | cut -d: -f 2 | grep "br-${subnet_id}"       > /dev/null || return 1
    ip                  link show | grep -E '^[0-9]*:'|sed -e 's/ //g' | cut -d: -f 2 | grep "v-${subnet_id}-e" > /dev/null || return 1
    ip -n "${vpc_name}" link show | grep -E '^[0-9]*:'|sed -e 's/ //g' | cut -d: -f 2 | grep "v-${subnet_id}-i" > /dev/null || return 1
    ip                  link show | grep -E '^[0-9]*:'|sed -e 's/ //g' | cut -d: -f 2 | grep "vxlan-${vxlan_id}"       > /dev/null || return 1
    return 0

}

function create_subnet {
    local vpc_name="${1}"
    local subnet_name="${2}"
    local vxlan_id="${3}"
    local local_ip="${4}"
    local gateway_ip="${5}"
    local subnet="${6}"
    local subnet_id="$(echo "${subnet_name}" | cut -d\- -f2)"

    /opt/two/bin/subnet -action create \
      -cidr "${subnet}" \
      -gateway-ip "${gateway_ip}" \
      -local-ip "${local_ip}" \
      -name "${subnet_name}" \
      -vpc "${vpc_name}" \
      -vxlan-id "${vxlan_id}"
    return 0
}

function delete_subnet {
    local subnet_name="${1}"
    
    /opt/two/bin/subnet -action delete -name "${subnet_name}"

    print_in_color "${COLOR_GREY}" "Try to delete ${vpc_name}"
    count_in_db "subnet" "${vpc_name}"
    [ "$?" -eq "0" ] && delete_vpc "${vpc_name}"
}