#!/bin/sh

vars="gitd_ip gitd_basepath tinydns_config tinydns__tldsrvrname tinydns__tldsrvrip"

echo "Welcome to the resdb configurator!" >&2
echo >&2

for var in $vars ; do
 export "$var"="$(cat conf/$var 2>/dev/null)"
done
if [ x"$gitd_basepath" = x ]; then
 gitd_basepath="$(pwd)/"
fi
if [ x"$tinydns_config" = x ]; then
 tinydns_config=n
fi
if [ x"$tinydns__tldsrvrname" = x ]; then
 tinydns__tldsrvrname="uz5fvb7zdqyuz4q8ysjdfuf04kzd2lrt0l6fp4uyguxdg5tfut06ck.anons.somerandomnick.ano"
fi
if [ x"$tinydns__tldsrvrip" = x ]; then
 tinydns__tldsrvrip="1.0.27.37"
fi

echo "Please enter the IP address you'd like gitd to listen on." >&2
echo "(Default: $gitd_ip)" >&2
echo -n "IP? " >&2
read new_gitd_ip
if [ x"$new_gitd_ip" != x ]; then
 gitd_ip="$new_gitd_ip"
fi

echo "Please enter the full path to resdb." >&2
echo "(Default: $gitd_basepath)" >&2
echo -n "BasePath? " >&2
read new_gitd_basepath
if [ x"$new_gitd_basepath" != x ]; then
 gitd_basepath="$new_gitd_basepath"
fi

echo -n "Would you like to configure the tinydns datafile generator? " >&2
read new_tinydns_config
if [ x"$new_tinydns_config" != x ]; then
 tinydns_config="$new_tinydns_config"
fi
if [ x"$tinydns_config" = xy ]; then
 echo "Please enter the hostname of your .ano TLD server." >&2
 echo "(Default: $tinydns__tldsrvrname)" >&2
 echo -n "TLDSrvName? " >&2
 read new_tinydns__tldsrvrname
 if [ x"$new_tinydns__tldsrvrname" != x ]; then
  tinydns__tldsrvrname="$new_tinydns__tldsrvrname"
 fi

 echo "Please enter the IP address of your .ano TLD server." >&2
 echo "(Default: $tinydns__tldsrvrip)" >&2
 echo -n "TLDSrvIP? " >&2
 read new_tinydns__tldsrvrip
 if [ x"$new_tinydns__tldsrvrip" != x ]; then
  tinydns__tldsrvrip="$new_tinydns__tldsrvrip"
 fi
fi

echo "Proposed configuration:" >&2
for var in $vars ; do
 echo "$var=${!var}" >&2
done
echo -n "To write the configuration, hit RETURN.  To abort, hit ^C: " >&2
read write_config

mkdir -p conf || exit 1
for var in $vars ; do
 echo "${!var}" > conf/"$var" || exit 1
done