#!/usr/bin/env bash

# Check if the file is a 'boilerplate' (i.e. not a post)
# The return values are designed to be used like this inside a loop:
# is_boilerplate_file <file> && continue
#
# $1 the file
#
# Return 0 (bash return value 'true') if the input file is an index, feed, etc
# or 1 (bash return value 'false') if it is a blogpost
declare non_blogpost_files
declare index_file
declare archive_index
declare gophermap
declare gemini_index
declare tags_index
declare footer_file
declare header_file
declare prefix_tags
declare html_exclude
is_boilerplate_file() {
    name=${1#./}
    # First check against user-defined non-blogpost pages
    for item in "${non_blogpost_files[@]}"; do
        [[ "$name" == "$item" ]] && return 0
    done

    case $name in
    "$index_file" | "$archive_index" | "$gophermap" | "$gemini_index" | "$tags_index" | "$footer_file" | "$header_file" | "$prefix_tags"*)
        return 0
        ;;
    *) # Check for excluded
        for excl in "${html_exclude[@]}"; do
            [[ $name == "$excl" ]] && return 0
        done
        return 1
        ;;
    esac
}