#!/bin/ruby
##################################################################################
#
#    New Start: A modern Arch workflow built with an emphasis on functionality.
#    Copyright (C) 2017 Donovan Glover
#
#    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/>.
#
##################################################################################

module Help
    HELPDIR = ENV["HOME"] + "/.help"

    # Main function to handle the given command
    def self.help()
        given_command = ARGV[0].dup
        if not given_command then
            self.list()
        else
            self.open(given_command) 
        end
    end

    # Open the help information from <file>
    def self.open(file)
        exec ENV["VIM"] + "/macros/less.sh #{self::HELPDIR}/#{file}.md"
    end
    
    # List all the possible help commands
    def self.list()
        puts Dir.entries(self::HELPDIR).select { |f| !File.directory? f }.each { |s| s.slice! ".md" }
    end
end

Help.help()