#!/usr/bin/env ruby

$LOAD_PATH.unshift File.dirname(__FILE__) + "/../lib"

require 'rubygems'
require 'restclient'
require 'yaml'

def usage(why = nil)
  puts "failed for reason: #{why}" if why
  puts "usage: restclient [get|put|post|delete] url|name [username] [password]"
  puts "  The verb is optional, if you leave it off you'll get an interactive shell."
  puts "  put and post both take the input body on stdin."
  exit(1)
end

POSSIBLE_VERBS = ['get', 'put', 'post', 'delete']

if POSSIBLE_VERBS.include? ARGV.first
  @verb = ARGV.shift
else
  @verb = nil
end

@url = ARGV.shift || 'http://localhost:4567'

config = YAML.load(File.read(ENV['HOME'] + "/.restclient")) rescue {}

if (c = config[@url])
  @url, @username, @password = [c['url'], c['username'], c['password']]
else
  @url, @username, @password = [@url, * ARGV]
end

usage("invalid url '#{@url}") unless @url =~ /^https?/
usage("too few args") unless ARGV.size < 3

def r
  @r ||= RestClient::Resource.new(@url, @username, @password)
end

r # force rc to load

if @verb
  begin
    if %w( put post ).include? @verb
      puts r.send(@verb, STDIN.read)
    else
      puts r.send(@verb)
    end
    exit 0
  rescue RestClient::Exception => e
    puts e.response.body if e.respond_to?(:response) && e.response
    raise
  end
end

POSSIBLE_VERBS.each do |m|
  define_method(m.to_sym) do |path, *args, &b|
    r[path].public_send(m.to_sym, *args, &b)
  end
end

def method_missing(s, * args, & b)
  if POSSIBLE_VERBS.include? s
    begin
      r.send(s, *args, & b)
    rescue RestClient::RequestFailed => e
      print STDERR, e.response.body
      raise e
    end
  else
    super
  end
end

require 'irb'
require 'irb/completion'

if File.exist? ".irbrc"
  ENV['IRBRC'] = ".irbrc"
end

rcfile = File.expand_path("~/.restclientrc")
if File.exist?(rcfile)
  load(rcfile)
end

ARGV.clear

IRB.start
exit!
