# cookbooks/ruby-app/default.rb

app  = node['app']
user = app['user']
home = "/home/#{user}"
deploy_to = app['deploy_to']

group user do
  gid app['uid']
end

user user do
  uid app['uid']
  gid app['uid']
  home home
  shell '/bin/bash'
  create_home true
end

%w[releases shared shared/log shared/tmp shared/config].each do |dir|
  directory "#{deploy_to}/#{dir}" do
    owner user
    group user
    mode '0755'
  end
end

package 'build-essential' do
  action :install
end

gem_package 'bundler' do
  version '2.4.0'
end

git "#{deploy_to}/releases/current" do
  repository app['repository']
  revision app['revision']
  user user
end

template "#{deploy_to}/shared/config/puma.rb" do
  source 'templates/puma.rb.erb'
  owner user
  group user
  mode '0644'
  variables(
    deploy_to: deploy_to,
    workers: app['puma_workers'],
    threads_min: app['puma_threads_min'],
    threads_max: app['puma_threads_max'],
    port: app['puma_port']
  )
  notifies :restart, 'service[puma]'
end

template "#{deploy_to}/shared/.env" do
  source 'templates/env.erb'
  owner user
  group user
  mode '0600'
  variables(
    environment: app['environment'],
    secret_key_base: app['secret_key_base'],
    port: app['puma_port']
  )
  notifies :restart, 'service[puma]'
end

template '/etc/systemd/system/puma.service' do
  source 'templates/puma.service.erb'
  owner 'root'
  group 'root'
  mode '0644'
  variables(
    user: user,
    deploy_to: deploy_to,
    app_name: app['name']
  )
  notifies :restart, 'service[puma]'
end

execute 'bundle install' do
  command "cd #{deploy_to}/releases/current && bundle install --deployment --without development test"
  user user
  not_if "cd #{deploy_to}/releases/current && bundle check"
end

link "#{deploy_to}/current" do
  to "#{deploy_to}/releases/current"
end

execute 'systemctl daemon-reload' do
  command 'systemctl daemon-reload'
end

service 'puma' do
  action [:enable, :start]
end