#!/bin/zsh
# This script is used to build all the documentation.

# Specify the output directory's name.
outputdir="pdf_out"

# Specify the file paths, in the order where they should be built.
filepaths=('nodes/single_node.h.ms' 'nodes/double_node.h.ms' 'nodes/tree_node.h.ms' 'strings/strzcpy.ms' 'stack/stack.h.ms' 'linked_lists/double_linked_list.h.ms' 'linked_lists/single_linked_list.h.ms' 'utils/time_function.h.ms' 'trees/binary_tree/binary_tree.h.ms' 'misc_algorithms/search/binary_search.h.ms')

# Prompt the user for the option they want (pdf/html/utf8).
echo "Please choose an output option: pdf, html or utf8."
select choice in "pdf" "html" "utf8"; do
	case $choice in
		pdf )
		filetype="pdf";
		break;;

		html )
		filetype="html";
		break;;

		utf8 )
		filetype="utf8";
		break;;
	esac
done

# Debug print.
#echo $filetype

# Get the initial root.
root_directory=$(pwd)

# Create a directory to store the PDFs.
mkdir -p $root_directory/

# Loop over the paths: change directory, build, go back up to the root directory.
for i in $filepaths; do
	# Get the current directory that we should change into, from the current array variable.
	current_directory=$(dirname $i)
	cd $current_directory

	# Create the current output directory.
	# TODO: Finish working on this, needs a way to figure the paths out!

	# Get the input and output file names.
	input_file=$(basename $i)
	output_file=$(echo $input_file | sed "s/ms/$filetype/")

	# Debug prints.
	#echo "current_directory = $current_directory"
	#echo "input_file = $input_file"
	#echo "output_file = $output_file"

	# Create the output file.
	touch $output_file
	# Generate docs.
	groff -ms -T$filetype $input_file > $output_file

	# Go back up to the root.
	cd $root_directory
done