#!/usr/bin/env ruby

$VERBOSE = nil

require "textbringer"

include Textbringer
include Commands

def load_user_config(path)
  config_file = File.expand_path(path)
  begin
    load(config_file)
  rescue LoadError
  end
end

unless STDIN.tty?
  STDERR.puts("textbringer: standard input is not a tty")
  exit 1
end

Controller.current = Controller.new
begin
  Window.start do
    begin
      load_user_config("~/.textbringer/init.rb")
      Plugin.load_plugins
      load_user_config("~/.textbringer.rb")
      ruby_mode
      if ARGV.size > 0
        ARGV.each do |arg|
          find_file(arg)
        end
      end
      if Buffer.dumped_buffers_exist?(CONFIG[:buffer_dump_dir])
        Window.redisplay
        if yes_or_no?("Dumped buffers found; restore them?")
          buffers = Buffer.load_dumped_buffers(CONFIG[:buffer_dump_dir])
          switch_to_buffer(buffers.last)
        end
      end
    rescue Exception => e
      show_exception(e)
    end
    Window.redisplay
    begin
      trap(:CONT) { Window.redraw }
    rescue ArgumentError
    end
    begin
      loop do
        Controller.current.command_loop(TOP_LEVEL_TAG)
        Window.redisplay
      end
    rescue Exception => e
      if !e.is_a?(SystemExit)
        Buffer.dump_unsaved_buffers(CONFIG[:buffer_dump_dir])
      end
      raise
    end
  end
ensure
  Controller.current.close
end