#!/bin/bash
# Created by audiodude
# First written April 2020

set -e
shopt -s nocasematch

WIKI_PATH=/usr/share/nginx/html/wiki

if [ -z "$1" ] || [ "$1" == "help" ] || [ "$1" == "--help" ]; then
  echo "usage: wiki <article>"
  echo "  read the article with the given 'short title'"
  echo "usage: wiki --list"
  echo "  list all available short titles"
  exit 1
fi

if [ "$1" == "--list" ]; then
  ls -1 $WIKI_PATH/*.txt | cut -f 7 -d "/" | cut -f 1 -d "."
  echo
  echo "Type 'wiki <article> to read that article in your terminal"
  echo "...or visit the wiki in your browser at: https://tilde.club/wiki/"
  exit 0
fi


# First try concatenating the arguments with "_" to find the path
name=""
for var in "$@"
do
  if [ -z "$name" ]; then
    name=$var
  else
    name="${name}_${var}"
  fi
done
path="${WIKI_PATH}/${name}.txt"

if [ ! -f $path ]; then
  # If that file doesn't exist, try concatentating with "-"
  name=""
  for var in "$@"
  do
    if [ -z "$name" ]; then
      name=$var
    else
      name="${name}-${var}"
    fi
  done
  path="${WIKI_PATH}/${name}.txt"
fi

if [ ! -f $path ]; then
  echo "Could not find a wiki article with that name"
  exit 1
fi

less $path