#
# Cookbook Name:: kosmos-mastodon
# Recipe:: default
#
# The MIT License (MIT)
#
# Copyright:: 2019, Kosmos Developers
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

include_recipe "kosmos-nodejs"
include_recipe "kosmos-redis"
include_recipe "kosmos-postgresql"

# TODO: Remove the condition once we have migrated mastodon to andromeda
unless platform?('ubuntu') && node[:platform_version].to_f < 18.04
  postgresql_data_bag_item = data_bag_item('credentials', 'postgresql')

  postgresql_user 'mastodon' do
    action :create
    password postgresql_data_bag_item['mastodon_user_password']
  end

  postgresql_database 'mastodon' do
    owner 'mastodon'
    action :create
  end
else
  postgresql_data_bag_item = {}
end

mastodon_path = node["kosmos-mastodon"]["directory"]

mastodon_user = "mastodon"

group mastodon_user do
  gid 62786
end

user mastodon_user do
  comment "mastodon user"
  uid 62786
  gid 62786
  shell "/bin/bash"
  home mastodon_path
end

package %w(imagemagick ffmpeg libxml2-dev libxslt1-dev file git curl pkg-config
           libprotobuf-dev protobuf-compiler libidn11 libidn11-dev libjemalloc1)

npm_package "yarn" do
  version "1.6.0"
end

ruby_version = "2.6.1"

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

# mastodon-web service
#
template "/lib/systemd/system/mastodon-web.service" do
  source "mastodon-web.systemd.service.erb"
  variables user: mastodon_user,
            app_dir: mastodon_path,
            port: node["kosmos-mastodon"]["puma_port"],
            bundle_path: "/opt/ruby_build/builds/#{ruby_version}/bin/bundle"
  notifies :run, "execute[systemctl daemon-reload]", :immediately
  notifies :restart, "service[mastodon-web]", :delayed
end

# mastodon-sidekiq service
#
template "/lib/systemd/system/mastodon-sidekiq.service" do
  source "mastodon-sidekiq.systemd.service.erb"
  variables user: mastodon_user,
            app_dir: mastodon_path,
            bundle_path: "/opt/ruby_build/builds/#{ruby_version}/bin/bundle",
            sidekiq_threads: node["kosmos-mastodon"]["sidekiq_threads"]
  notifies :run, "execute[systemctl daemon-reload]", :immediately
  notifies :restart, "service[mastodon-sidekiq]", :delayed
end

# mastodon-streaming service
#
template "/lib/systemd/system/mastodon-streaming.service" do
  source "mastodon-streaming.systemd.service.erb"
  variables user: mastodon_user,
            app_dir: mastodon_path,
            port: node["kosmos-mastodon"]["streaming_port"]
  notifies :run, "execute[systemctl daemon-reload]", :immediately
  notifies :restart, "service[mastodon-streaming]", :delayed
end

application mastodon_path do
  owner "mastodon"
  group "mastodon"

  environment "HOME" => mastodon_path

  ruby_runtime ruby_version do
    provider :ruby_build
    version ruby_version
  end

  git do
    user mastodon_user
    group mastodon_user
    repository "https://gitea.kosmos.org/kosmos/mastodon.git"
    revision   "production"
  end

  mastodon_credentials = data_bag_item('credentials', 'mastodon')

  template ".env.production" do
    source "env.production.erb"
    mode  "0640"
    owner mastodon_user
    group mastodon_user
    variables redis_url: node["kosmos-mastodon"]["redis_url"],
              domain: node["kosmos-mastodon"]["server_name"],
              paperclip_secret: mastodon_credentials['paperclip_secret'],
              secret_key_base: mastodon_credentials['secret_key_base'],
              otp_secret: mastodon_credentials['otp_secret'],
              smtp_login: mastodon_credentials['smtp_user_name'],
              smtp_password: mastodon_credentials['smtp_password'],
              smtp_from_address: "mail@#{node['kosmos-mastodon']['server_name']}",
              s3_bucket: "kosmos-social",
              aws_access_key_id: mastodon_credentials['aws_access_key_id'],
              aws_secret_access_key: mastodon_credentials['aws_secret_access_key'],
              s3_region: "eu-west-1",
              vapid_private_key: mastodon_credentials['vapid_private_key'],
              vapid_public_key: mastodon_credentials['vapid_public_key'],
              db_pass: postgresql_data_bag_item['mastodon_user_password']
  end

  execute "bundle install" do
    environment "HOME" => mastodon_path
    user mastodon_user
    cwd mastodon_path
    command "/opt/ruby_build/builds/#{ruby_version}/bin/bundle install --without development,test --deployment"
  end

  execute "yarn install" do
    environment "HOME" => mastodon_path
    user mastodon_user
    cwd mastodon_path
    command "yarn install --pure-lockfile"
  end

  rails do
    migrate false
    rails_env "production"
    precompile_assets false # buggy, done manually below
  end

  execute 'rake db:migrate' do
    environment "RAILS_ENV" => "production", "HOME" => mastodon_path
    user mastodon_user
    group mastodon_user
    cwd mastodon_path
    command "PATH=\"/opt/ruby_build/builds/#{ruby_version}/bin:$PATH\" bundle exec rake db:migrate"
  end

  # This is the only way I could find that makes compiling the assets
  # successfully for now. application_ruby's precompile_assets crashes because
  # it cannot find the bundled gems
  execute 'rake assets:precompile' do
    environment "RAILS_ENV" => "production", "HOME" => mastodon_path
    user mastodon_user
    group mastodon_user
    cwd mastodon_path
    command "PATH=\"/opt/ruby_build/builds/#{ruby_version}/bin:$PATH\" bundle exec rake assets:precompile"
  end

  service "mastodon-web" do
    action [:enable, :start]
  end

  service "mastodon-sidekiq" do
    action [:enable, :start]
  end

  service "mastodon-streaming" do
    action [:enable, :start]
  end
end

#
# Backup
#

unless node.chef_environment == "development"
  unless node["backup"]["postgresql"]["databases"].keys.include? 'mastodon'
    node.override["backup"]["postgresql"]["databases"]["mastodon"] = {
      username: "mastodon",
      password: postgresql_data_bag_item['mastodon_user_password']
    }
  end

  include_recipe "backup"
end