require_relative "svi/ansi"
require_relative "svi/cli"
require_relative "svi/svn_runner"
require_relative "svi/version"
require "svi/svi"

module Svi
  class << self

    def checkout(url)
      last_checkout_message = ""
      clear_message = lambda do
        if last_checkout_message.size > 0
          clear = ""
          lines = (last_checkout_message.size + C.screen_width - 1) / C.screen_width
          if lines > 1
            clear += Ansi.cursor_up(lines - 1)
          end
          clear += Ansi.cursor_back(999)
          clear += Ansi.erase_cursor_to_eos
          $stdout.write(clear)
          last_checkout_message = ""
        end
      end
      SvnRunner.run_svn("checkout", [url], allow_interactive: true) do |line|
        if line =~ /^A.{4}(.*)$/
          path = $1
          clear_message[]
          last_checkout_message = "Checking out #{path}..."
          $stdout.write(last_checkout_message)
          $stdout.flush
        else
          clear_message[]
          $stdout.puts line
        end
      end
      0
    end

  end
end