#!/usr/pkg/bin/bash

# convert-website.sh
# This script is part of the website-to-other project, which converts my
# website to other formats.

# Copyright (c) 2024, 2025, Scott C. MacCallum (scm@sdf.org).

# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.

# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <https://www.gnu.org/licenses/>.

GopherDir="/ftp/pub/users/scm"
WebDir="/sdf/arpa/ns/s/scm/html/text"

# Make a backup of the index.html file
cp $WebDir/index.html $WebDir/index.html.old

# Where there are blank lines in index.html file insert the <br> HTML tag
sed 's/^$/<br>/' $WebDir/index.html > $WebDir/index.html-01

# Convert the modified index.html file to an index.html text file
html2text -width 65 -o $WebDir/index.html-02 $WebDir/index.html-01

# Remove the control characters from the index.html text file
cat $WebDir/index.html-02 | col -b -x > $WebDir/index.html-03

# Remove the blank lines from the top of the index.html text file
# Add five to the second number when a new post is added to the index.html
# file
sed '1,13d' $WebDir/index.html-03 > $WebDir/index.html-04

# Write the SCM header to a new index.html text file
cat $HOME/gophersite/SCM-Header.txt > $WebDir/index.html-05

# Append the previous index.html text file to the new index.html text file
cat $WebDir/index.html-04 >> $WebDir/index.html-05

# Remove the tabs from the index.html text file
tr -d '\t' < $WebDir/index.html-05 > $WebDir/index.html-06

# Write a Gopher index text file from the index.html text file
cat $WebDir/index.html-06 > $GopherDir/posts

# Write gophermap file
cp $HOME/gopher/gophermap $GopherDir/gophermap

# Write a Gemini index.gmi from the Gopher text file
cat $GopherDir/posts > $GopherDir/posts.gmi

# Write a cluster .plan file from the Gopher index text file
cat $GopherDir/posts > $HOME/.plan

# Write the MetaArray .plan file from the cluster .plan file
scp $HOME/.plan scm@ma.sdf.org:/meta/s/scm/.plan

# Set the correct World Wide Web (WWW) permissions
chmod -R 751 /www/nz/s/scm

# Set the correct Gopher and Gemini permissions
chmod -R 754 $GopherDir

# Copy the Gopher site files to the Gopher respository
cp $GopherDir/posts $HOME/gophersite

# Unless the debug option is invoked, clean up the unneeded files
sh $HOME/website-to-other/cleanup.sh

exit 0