#!/bin/bash

. ./lib/db.sh
. ./lib/netns.sh
. ./lib/colors.sh

function check_vpc_exist {
    local vpc_name=${1}

    print_in_color "${COLOR_GREY}" "Check in db if ${vpc_name} exist"
    check_in_db vpc "${vpc_name}"
    [ "$?" -eq "0" ] || return 1
    print_in_color "${COLOR_GREY}" "Check in linux if ${vpc_name} exist"
    check_netns "${vpc_name}"
    [ "$?" -eq "0" ] || return 1
    return 0
}

function create_vpc {
    local vpc_name="${1}"

    check_vpc_exist "${vpc_name}"
    [ "$?" -eq "0" ] && \
    {
        print_in_color "${COLOR_ORANGE}" "Would have create ${vpc_name}"
    } || \
    {
        add_in_db "vpc" "${vpc_name}"
        create_netns "${vpc_name}"

        ip link add "${vpc_name}-ext" type veth peer name "veth-public-int" netns "${vpc_name}"
        ip netns exec "${vpc_name}" brctl addbr "br-public"
        ip netns exec "${vpc_name}" brctl stp   "br-public" off


        brctl addif "br-public" "${vpc_name}-ext"
        ip netns exec "${vpc_name}" brctl addif "br-public" "veth-public-int"


        ip                  link set up dev "${vpc_name}-ext"
        ip -n "${vpc_name}" link set up dev "veth-public-int"
        ip -n "${vpc_name}" link set up dev "br-public"

        print_in_color "${COLOR_GREEN}" "Create ${vpc_name}"
    }

}

function delete_vpc {
    local vpc_name="${1}"

    
    print_in_color "${COLOR_RED}" "Delete ${vpc_name}"
    delete_in_db "vpc" "${vpc_name}"
    delete_netns "${vpc_name}"

}