#!/usr/bin/env bash

# Generate the index.html with the content of the latest posts
declare index_file
declare number_of_index_articles
declare cut_do
declare cut_line
declare template_read_more
declare template_archive
declare template_subscribe
declare template_tags_title
declare blog_feed
declare global_author
declare global_feedburner
declare global_title
declare archive_index
declare tags_index
rebuild_index() {

    echo -n "Rebuilding the index "
    newindexfile=$index_file.$RANDOM
    contentfile=$newindexfile.content
    while [[ -f $newindexfile ]]; do
        newindexfile=$index_file.$RANDOM
        contentfile=$newindexfile.content
    done

    # Create the content file
    {
        n=0
        while IFS='' read -r i; do
            is_boilerplate_file "$i" && continue
            if ((n >= number_of_index_articles)); then break; fi
            if [[ -n $cut_do ]]; then
                get_html_file_content 'entry' 'entry' 'cut' <"$i" | awk "/$cut_line/ { print \"<p class=\\\"readmore\\\"><a href=\\\"$i\\\">$template_read_more</a></p>\" ; next } 1"
            else
                get_html_file_content 'entry' 'entry' <"$i"
            fi
            echo -n "." 1>&3
            n=$((n + 1))
        done < <(ls -t ./*.html) # sort by date, newest first

        feed=$blog_feed
        if [[ -n $global_feedburner ]]; then feed=$global_feedburner; fi
        echo "<div id=\"all_posts\"><a href=\"$archive_index\">$template_archive</a> &mdash; <a href=\"$tags_index\">$template_tags_title</a> &mdash; <a href=\"$feed\">$template_subscribe</a></div>"
    } 3>&1 >"$contentfile"

    echo ""

    create_html_page "$contentfile" "$newindexfile" yes "$global_title" "$global_author"
    rm "$contentfile"
    mv "$newindexfile" "$index_file"
    chmod 644 "$index_file"
}