#!/bin/sh -e

pebkac() {
  [ "${*}" ] && printf "%s\n\n" "${*}"
  cat <<EOF
Usage: $(basename "${0}") <id>

Given an ID number from the site:
* downloads and stashes the full-size image in the md5 directory
* adds whatever tags are found into the tag area
EOF
  kill $$
  exit 1
}

[ "${*}" ] || pebkac
id="${1}"
[ -z "$(echo "${id}" | tr -d '[0-9]')" ] || pebkac "ID should be an integer"

taggery_name="$(basename "${0}")"
taggery_profile="$(dirname "${0}")/lib/profiles/${taggery_name}"
[ -f "${taggery_profile}" ] || pebkac "Unsupported profile: ${taggery_name}"
. "${taggery_profile}"

# Load KVS
kvs=".${taggery_name}.kvdb"
. "$(dirname "${0}")/lib/kvs.sh"

# Load Taggery
. "$(dirname "${0}")/lib/taggery.sh"
image_url() { taggery_image_url "${@}"; }
image_tags() { taggery_image_tags "${@}"; }

cd "$(dirname "${0}")"

file="$(image_url "${id}")"
tags="$(image_tags "${id}")"

[ "${file}" -a "${tags}" ] || { echo "Nothing found!"; kill $$; exit 1; }

name="$(basename "${file}")"
[ ! -e "md5/${name}" ] || { echo "Filename md5/${name} already exists!"; kill $$; exit 1; }
wget -O "md5/${name}" "${file}"
for tag in ${tags}
do
  echo ${tag}
  tag="$(echo "${tag}" | sed -e 's/\//%47/g; s/[\]/\\&/g')"
  mkdir -p "tag/${tag}"
  ln -sf "../../md5/${name}" "tag/${tag}/"
done