#!/bin/bash

################################################################################
# SITE-INATOR
# simple www html web page maker. designed to make it easy to write html websites
# by hand!
########################
# Copyright (C) 2023 - yukijouu <Yuki Joou> -- yukijoou@laposte.net
#
#  This program is free software: you can redistribute it and/or modify it under
#  the terms of the GNU General Public License as published by the Free Software
#  Foundation, either version 3 of the License, or (at your option) any later
#  version.
#
#  This program is distributed in the hope that it will be useful, but WITHOUT
#  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
#  FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
#  details.
#
#  You should have received a copy of the GNU General Public License along with
#  this program. If not, see <https://www.gnu.org/licenses/>.

echo '==================================================';
echo '|    SITE-INATOR Copyright (C) 2023 yukijoou     |';
echo '| This program comes with ABSOLUTELY NO WARRANTY |';
echo '==================================================';

set -e;

TEMPLATES_PATH=template
OUTPUT_PATH=public
SOURCES_PATH=src

[[ -e $TEMPLATES_PATH ]] ||
	(
		echo 'Please create $TEMPLATES_PATH, and place your templates there!' &&
			exit 1
	);

[[ -e $SOURCES_PATH ]] ||
	(
		echo 'Please create $SOURCES_PATH, and place your source html there!' &&
			exit 1
	);

mkdir -p $OUTPUT_PATH;

[[ -e ./site-config ]] ||
	(
		echo 'site-config not found. Please create a ./site-config file!' &&
			echo 'It needs to define a TITLE' &&
			exit 1
	);

echo 'Using the following configuration:';

cat ./site-config

echo -e '\n========================================='

DEFAULT_TITLE=$(source ./site-config && echo $TITLE)

echo '  Website generation will commence now!';
echo;
echo;

for file in $(find $SOURCES_PATH/ -iname '*.html'); do
	clean_path="${file#$SOURCES_PATH/}"

	echo "Generating $clean_path!";

	out_dir=$(dirname "$OUTPUT_PATH/$clean_path");
	mkdir -p $out_dir;

	page_title=$DEFAULT_TITLE
	[[ -e $file.config ]] && page_title=$(source $file.config && echo $TITLE);
	
	raw_page=$(cat $TEMPLATES_PATH/header.html $file $TEMPLATES_PATH/footer.html);
	page="${raw_page//\[ title \]/$page_title}"
	echo -n "$page" > $OUTPUT_PATH/$clean_path;
done;