#!/usr/bin/env ruby
# frozen_string_literal: true

require 'pathname'

RAILS_ROOT = File.expand_path("../../", Pathname.new(__FILE__).realpath)
PORT = ENV["UNICORN_PORT"] ||= "3000"
HOSTNAME = ENV["DISCOURSE_HOSTNAME"] ||= "127.0.0.1"
yarn_dir = File.join(RAILS_ROOT, "app/assets/javascripts/discourse")

PROXY =
  if ARGV.include?("--try")
    "https://try.discourse.org"
  else
    "http://#{HOSTNAME}:#{PORT}"
  end

command =
  if ARGV.include?("--test")
    "test"
  else
    "server"
  end

class String
  def cyan
    "\e[36m#{self}\e[0m"
  end

  def red
    "\033[31m#{self}\e[0m"
  end
end

if ARGV.include?("-h") || ARGV.include?("--help")
  puts "ember-cli OPTIONS"
  puts "#{"--try".cyan} To proxy try.discourse.org"
  puts "#{"--test".cyan} To run the test suite"
  puts "#{"--unicorn, -u".cyan} To run a unicorn server as well"
  puts "The rest of the arguments are passed to ember server per:", ""
  exec "yarn -s --cwd #{yarn_dir} run ember #{command} --help"
end

args = ["-s", "--cwd", yarn_dir, "run", "ember", command] + ARGV.reject do |a|
  ["--try", "--test", "--unicorn", "-u"].include?(a)
end

if !args.include?("test") && !args.include?("--proxy")
  args << "--proxy"
  args << PROXY
end

exit 1 if !system "yarn -s install --cwd #{yarn_dir}"

if !system("node -p 'require(\"crypto\").createHash(\"md4\")'", out: "/dev/null", err: "/dev/null")
  $stderr << "#{"ERROR".red}: Node 17 with OpenSSL 3 is currently unsupported\n"
  $stderr << "Please use node LTS (16.x) instead\n"
  exit 1
end

if ARGV.include?("-u") || ARGV.include?("--unicorn")
  unicorn_env = { "DISCOURSE_PORT" => ENV["DISCOURSE_PORT"] || "4200" }
  unicorn_pid = spawn(unicorn_env, __dir__ + "/unicorn")

  Thread.new do
    require 'open3'
    Open3.popen2e("yarn", *args.to_a.flatten) do |i, oe, t|
      puts "Ember CLI running on PID: #{t.pid}"
      oe.each do |line|
        if line.include?("\e[32m200\e") || line.include?("\e[36m304\e[0m") || line.include?("POST /message-bus")
          # skip 200s and 304s and message bus
        else
          puts line
        end
      end
    end
  end

  trap("SIGINT") do
    # we got to swallow sigint to give time for
    # children to handle it
  end

  Process.wait(unicorn_pid)
else
  exec "yarn", *args.to_a.flatten
end