#!/usr/bin/env ruby
# Filename:      grml-paste
# Purpose:       paste files to the online grml paste bot
# Authors:       grml-team (grml.org), (c) 2007 Nico Golde <nico@grml.org>
# Bug-Reports:   see http://grml.org/bugs/
# License:       This file is licensed under the GPL v2
##########################################################################

require 'uri'
require 'net/http'

url = URI.parse('http://paste.grml.org/paste')

def usage
	$stderr.puts "usage: #{$0} [-n nick] [-s summary] [-f source] [-h|--help]\n"
	$stderr.puts "\t -n <nick>\tset your nickname (defaults to Anonymuos)"
	$stderr.puts "\t -s <summary>\tspecify a summary of your paste (defaults to none)"
	$stderr.puts "\t -f <source>\tsets the file to read from, you don't need this for reading from stdin"
	$stderr.puts "\t --help\t\tprint this help"
	Kernel.exit(1)
end

file    = nil
summary = "none"
nick    = "Anonymous"
channel = "#grml"
text    = ""

ARGV.each_index do |i|
	if ARGV[i] == '-h' or ARGV[i] == '--help' then
		usage
	elsif ARGV[i] == '-n' and ARGV[i+1] != nil then
		nick = ARGV[i+1]
	elsif ARGV[i] == '-s' and ARGV[i+1] != nil then
		summary = ARGV[i+1]
	elsif ARGV[i] == '-f' and ARGV[i+1] != nil then
		file = ARGV[i+1]
	end
end

if file == nil or file == "-"
	f = STDIN
else
	begin
		f = File.open(file)
	rescue
		$stderr.puts "Error: couldn't open file: #{file}"
		Kernel.exit(1)
	end
end

f.each_line do |line|
	text << line
end

begin
	res = Net::HTTP.post_form(url,{'Paste it' => 'Paste it', 'paste' => text, 'channel' => channel,  'summary' => summary, 'nick' => nick})
rescue
	$stderr.puts "Unable to post HTTP request"
	Kernel.exit(1)
end

results = res.body.scan(/<a href='http:\/\/paste.grml.org\/[0-9]+'/)
result = ""
if results.size > 0 then
	result = results[0].sub(/<a href='(http:\/\/paste.grml.org\/[0-9]+)'/, '\1')
end

if result == "" then
	print "Failed to paste, please retry\n"
else
	print "You can find your paste on: " + result + "\n"
end

## END OF FILE #################################################################