module Shelenium

# File lib/shelenium.rb, line 35
def self.connect_and_cd dir
  wait_to_find_xpath = lambda do |selector, timeout: 2, &block|
    Timeout.timeout(timeout) do
      sleep 0.1 until found = (block ? block.call : br).at_xpath(selector)
      found
    end
  end
  @@browser.go_to "chrome-extension://iodihamcpbpeioajjeobimgagajmlibd/html/nassh.html##{ENV.fetch "USER"}@localhost"
  wait_to_find_xpath.call("//*[*[contains(text(),'fingerprint')]]//input"){ @@browser.frames.last }.type("yes\n")
  @@browser.execute "window.removeEventListener('beforeunload', nassh_.onBeforeUnload_)"
  wait_to_find_xpath.call("//*[*[contains(text(),'Password')]]//input"){ @@browser.frames.last }.type("#{ENV.fetch "SHELENIUM_PASSWORD"}\n")
  @@browser.keyboard.type "cd #{Shellwords.escape File.expand_path dir}\n"
end

# File lib/shelenium.rb, line 49
def self.get_current_lines
  @@browser.evaluate("term_.getRowsText(0, term_.getRowCount())").split("\n")
end

# File lib/shelenium.rb, line 4
def self.new
  begin
    # this archive was repacked from Chrome Store on 17 Oct 2021
    require "tempfile"
    tempfile = Tempfile.new "secure_shell.zip"
    require "open-uri"
    File.binwrite tempfile, (Gem::Version.new(RUBY_VERSION) < Gem::Version.new("2.5") ? Kernel : URI).open("http://md5.nakilon.pro/0f83810b3b3fb1978db3803dee52ac5e", &:read)
    require "zip"
    Zip::File.open tempfile do |zipfile|
      zipfile.each do |entry|
        "iodihamcpbpeioajjeobimgagajmlibd/#{File.dirname entry.name}".tap do |dir|
          FileUtils.mkdir_p dir
          zipfile.extract entry, "iodihamcpbpeioajjeobimgagajmlibd/#{entry.name}"
        end
      end
    end
  ensure
    tempfile.close
    tempfile.unlink
  end unless File.exist? "iodihamcpbpeioajjeobimgagajmlibd"
  require "ferrum"
  @@browser = Ferrum::Browser.new( headless: false, browser_options: {
    "disable-extensions-except" => "#{File.expand_path Dir.pwd}/iodihamcpbpeioajjeobimgagajmlibd/0.43_0",
    "load-extension"            => "#{File.expand_path Dir.pwd}/iodihamcpbpeioajjeobimgagajmlibd/0.43_0",
  } ).tap do |browser|
    browser.go_to "chrome://extensions/?id=iodihamcpbpeioajjeobimgagajmlibd"
    browser.evaluate("document.getElementsByTagName('extensions-manager')[0].shadowRoot.querySelector('extensions-detail-view').shadowRoot.querySelector('#allow-incognito').shadowRoot.querySelector('[role=button]')").click
    sleep 1
  end
end

# File lib/shelenium.rb, line 53
def self.wait_for_still_frame wait_time = 2, freeze_time = 1
  Timeout.timeout wait_time do
    frames = []
    until frames.last(freeze_time * 10).size == freeze_time * 10 && frames.last(freeze_time * 10).uniq.size == 1
      sleep 0.1
      frames.push get_current_lines
    end
    frames.last
  end
end