#!/bin/bash
cd "$(dirname "$0")"/src

if [[ $# -eq 0 ]]; then
    cat <<EOF
new-doc - create new documents for WebCoso

Usage:

  new-doc <document path> <tag>...

The <document path> will be taken relative to
$(pwd)

Non-existent tags will be created
EOF
exit 1
fi

shopt -s extglob

now="$(TZ=UTC date +'%F %T')"

force=0
if [[ "$1" == "-f" ]]; then
    force=1
    shift
fi
docname="$1"
shift
declare -a tags
tags=("$@")

if [[ -d "$docname" && "$force" -ne 1 ]]; then
    >&2 echo "\"$docname\" already exists"
    exit 1
fi

docname="${docname%/}"

mkdir -p "$docname"

langs="${LANGS:-en it}"

for lang in $langs; do
    {
        cat <<EOF
${docname//?/=}
$docname
${docname//?/=}
:CreationDate: $now
:Id: $docname
EOF
        if [[ ${#tags[@]} -gt 0 ]]; then
            i=0
            for tag in "${tags[@]}"; do
                if [[ $i -eq 0 ]]; then
                    echo -n ':tags: '
                else
                    echo -n '       '
                fi
                echo "- $tag"
                i=$(( $i + 1 ))
            done
        fi
        echo ''
    }  > "$docname/document.${lang}.rest.txt"
done

ln -s "${docname//+([^\/])/..}"/../templates/du2html.xsl "$docname"/

for tag in "${tags[@]}"; do
    if [[ ! -d "tags/$tag" ]]; then
        mkdir -p "tags/$tag"
        for lang in $langs; do
            {
                cat <<EOF
${tag//?/=}
$tag
${tag//?/=}
:CreationDate: $now

[% PROCESS 'document-listing.tt' %]
EOF
            } > "tags/$tag/document.${lang}.rest.tt"
            {
                cat <<EOF
[% INCLUDE 'base-feed.tt' %]
EOF
            } > "tags/$tag/feed.${lang}.tt"
        done
        for f in document-listing.tt du2html.xsl fillFeed.xsl base-feed.tt; do
            ln -s "${tag//+([^\/])/../..}"/../templates/"$f" "tags/$tag/"
        done
    fi
done