#!/usr/local/bin/bash

echo "Checking config..."
jailname="${1}"
jailpkgs="${1}_pkgs"
jailinterfaces="${1}_interfaces"
jailip4="${1}_ip4_addr"
jailgateway="${1}_gateway"
jaildhcp="${1}_dhcp"
setdhcp=${!jaildhcp}

if [ -z "${!jailinterfaces}" ]; then 
	jailinterfaces="vnet0:bridge0"
else
	jailinterfaces=${!jailinterfaces}
fi

if [ -z "${setdhcp}" ] && [ -z "${!jailip4}" ] && [ -z "${!jailgateway}" ]; then 
	echo 'no network settings specified in config.yml, defaulting to dhcp="on"'
	setdhcp="on"
fi

if [ -z "${!jailname}" ]; then 
	echo "ERROR, jail not defined in config.yml"
	exit 1
else
	echo "Creating jail for $1"
	pkgs="$(sed 's/[^[:space:]]\{1,\}/"&"/g;s/ /,/g' <<<"${!jailpkgs} ${global_jails_pkgs}")"
	echo '{"pkgs":['${pkgs}']}' > /tmp/pkg.json
	if [ "${setdhcp}" == "on" ]
	then
		iocage create -n "${1}" -p /tmp/pkg.json -r ${global_jails_version} interfaces="${jailinterfaces}" dhcp="on" vnet="on" allow_raw_sockets="1" boot="on"
	else
		iocage create -n "${1}" -p /tmp/pkg.json -r ${global_jails_version} interfaces="${jailinterfaces}" ip4_addr="vnet0|${!jailip4}" defaultrouter="${!jailgateway}" vnet="on" allow_raw_sockets="1" boot="on"
	fi

	rm /tmp/pkg.json
	echo "creating jail config directory"
	iocage exec $1 mkdir -p /config

	if [ ! -d "/mnt/${global_dataset_config}" ]; then
		echo "Config root dataset does not exist... Creating... ${global_dataset_config}"
		zfs create ${global_dataset_config}
	fi
	
	if [ ! -d "/mnt/${global_dataset_config}/$1" ]; then
		echo "Config dataset does not exist... Creating... ${global_dataset_config}/$1"
		zfs create ${global_dataset_config}/$1
	fi
	
	iocage fstab -a $1 /mnt/${global_dataset_config}/$1 /config nullfs rw 0 0
	echo "Jail creation completed for $1"
fi