#!/usr/bin/env ruby
# encoding: utf-8

base   = File.symlink?(__FILE__) ? File.readlink(__FILE__) : __FILE__
libdir = File.expand_path(File.join(File.dirname(base), "..", "lib"))

vendor = File.join(File.dirname(__FILE__), "..", "vendor")
if File.directory?(vendor)
  Dir["#{vendor}/*"].each do |path|
    if File.directory?(path) && Dir["#{path}/*"].empty?
      warn "Dependency #{File.basename(path)} in vendor seems to be empty. Run git submodule init && git submodule update to checkout it."
    elsif File.directory?(path) && File.directory?(File.join(path, "lib"))
      $:.unshift(File.join(path, "lib"))
    end
  end
end

# because of system installation, there is bin/../lib, but not bin/../lib/rango
if File.directory?(File.join(libdir, "rango"))
  $:.unshift(libdir) unless $:.include?(libdir)
end

begin
  require "simple-templater"
rescue LoadError
  abort "You have to install simple-templater first!"
end

require "rango"

# === Helpers === #
# TODO: Generators.each { |generator| puts generator.help }
def usage
<<-HELP
=== Usage ===
rango create project mycoolproject    Generate new site
rango create app mycoolapp            Generate new application
HELP
end

begin
  ARGV.shift # create
  generator_name = ARGV.shift
  SimpleTemplater.logger = Rango.logger
  templater = SimpleTemplater.new(:rango)
  # This enables you to create custom generators for Rango
  load File.join(File.dirname(base), "..", "simple-templater.scope") # neccesary if we run rango locally and not from RubyGems
  templater.discover!
  generator_set = templater.find(generator_name)
  if generator_set.nil?
    abort "Generator #{generator_name} doesn't exist. Available generators are: #{templater.generators.map { |set| set.name }.inspect}"
  else
    begin
      generator_set.run(ARGV)
    rescue SimpleTemplater::TargetAlreadyExist => exception
      abort exception.message
    rescue Interrupt
      exit
    rescue Exception => exception
      abort "Exception #{exception.inspect} occured during running generator #{generator_set.inspect}\n#{exception.backtrace.join("\n")}"
    end
  end
end