#
# Cookbook Name:: kosmos-hubot
# Recipe:: botka_freenode
#
# Copyright 2017-2018, Kosmos
#
include_recipe "kosmos-nodejs"
include_recipe "kosmos-redis"

botka_freenode_data_bag_item = Chef::EncryptedDataBagItem.load('credentials', 'botka_freenode')

botka_freenode_path = "/opt/botka_freenode"
application botka_freenode_path do
  owner "hubot"
  group "hubot"

  git do
    user       "hubot"
    group      "hubot"
    repository "https://github.com/67P/botka.git"
    revision   "master"
  end

  file "#{name}/external-scripts.json" do
    mode  "0640"
    owner "hubot"
    group "hubot"
    content [
      "hubot-help",
      "hubot-redis-brain",
      "hubot-remotestorage-logger",
      "hubot-web-push-notifications",
    ].to_json
  end

  npm_install do
    user "hubot"
  end

  execute "systemctl daemon-reload" do
    command "systemctl daemon-reload"
    action :nothing
  end

  template "/lib/systemd/system/botka_freenode_nodejs.service" do
    source 'nodejs.systemd.service.erb'
    owner 'root'
    group 'root'
    mode '0644'
    variables(
      user: "hubot",
      group: "hubot",
      app_dir: botka_freenode_path,
      entry: "#{botka_freenode_path}/bin/hubot -a irc",
      environment: {
        "HUBOT_IRC_SERVER"            => "irc.freenode.net",
        "HUBOT_IRC_ROOMS"             => "#5apps,#kosmos,#kosmos-dev,#kosmos-random,#remotestorage,#hackerbeach,#unhosted,#sockethub,#opensourcedesign,#openknot,#emberjs,#mastodon,#indieweb,#lnd",
        "HUBOT_IRC_NICK"              => "botka",
        "HUBOT_IRC_NICKSERV_USERNAME" => "botka",
        "HUBOT_IRC_NICKSERV_PASSWORD" => botka_freenode_data_bag_item['nickserv_password'],
        "HUBOT_IRC_UNFLOOD"           => "100",
        "HUBOT_RSS_PRINTSUMMARY"      => "false",
        "HUBOT_RSS_PRINTERROR"        => "false",
        "HUBOT_RSS_IRCCOLORS"         => "true",
        # "HUBOT_LOG_LEVEL"             => "error",
        "EXPRESS_PORT"                => "8081",
        "HUBOT_AUTH_ADMIN"            => "bkero,derbumi,galfert,gregkare,jaaan,slvrbckt,raucao",
        "RS_LOGGER_USER"              => "kosmos@5apps.com",
        "RS_LOGGER_TOKEN"             => botka_freenode_data_bag_item['rs_logger_token'],
        "RS_LOGGER_SERVER_NAME"       => "freenode",
        "RS_LOGGER_PUBLIC"            => "true",
        "GCM_API_KEY"                 => botka_freenode_data_bag_item['gcm_api_key'],
        "VAPID_SUBJECT"               => "https://kosmos.org",
        "VAPID_PUBLIC_KEY"            => botka_freenode_data_bag_item['vapid_public_key'],
        "VAPID_PRIVATE_KEY"           => botka_freenode_data_bag_item['vapid_private_key']
      }
    )
    notifies :run, "execute[systemctl daemon-reload]", :delayed
    notifies :restart, "service[botka_freenode_nodejs]", :delayed
  end

  service "botka_freenode_nodejs" do
    action [:enable, :start]
  end
end

#
# Nginx reverse proxy
#
unless node.chef_environment == "development"
  express_port = 8081
  express_domain = "freenode.botka.kosmos.org"

  include_recipe "kosmos-base::letsencrypt"

  include_recipe 'kosmos-nginx'

  directory "/var/www/#{express_domain}/.well-known/acme-challenge" do
    owner     node["nginx"]["user"]
    group     node["nginx"]["group"]
    recursive true
    action    :create
  end

  template "#{node['nginx']['dir']}/sites-available/#{express_domain}" do
    source 'nginx_conf_hubot.erb'
    owner node["nginx"]["user"]
    mode 0640
    variables express_port: express_port,
              server_name:  express_domain,
              ssl_cert:     "/etc/letsencrypt/live/#{express_domain}/fullchain.pem",
              ssl_key:      "/etc/letsencrypt/live/#{express_domain}/privkey.pem"
    notifies :reload, 'service[nginx]', :delayed
  end

  nginx_site express_domain do
    enable true
  end

  # FIXME This doesn't actually work on the first run. Apparently nginx is not
  # reloaded after adding the vhost or sth, because it does work on the second
  # run.
  execute "letsencrypt cert for #{express_domain}" do
    command "./certbot-auto certonly --webroot --agree-tos --email ops@5apps.com --webroot-path /var/www/#{express_domain} -d #{express_domain} -n"
    cwd "/usr/local/certbot"
    not_if { File.exist? "/etc/letsencrypt/live/#{express_domain}/fullchain.pem" }
    notifies :create, "template[#{node['nginx']['dir']}/sites-available/#{express_domain}]", :immediately
  end
end