require 'capistrano/dsl'
require 'capistrano/cookbook/helpers/setup_config_values'
require 'capistrano/cookbook/helpers/substitute_strings'
require 'capistrano/cookbook/helpers/smart_template'
require 'capistrano/cookbook/nginx'
require 'capistrano/cookbook/monit'
require 'securerandom'

namespace :deploy do
  task :setup_config do
    conf = ::Capistrano::Cookbook::SetupConfigValues.new

    on roles(:app) do
      # make the config dir
      execute :mkdir, "-p #{shared_path}/config"
      execute :mkdir, "-p /home/#{fetch(:deploy_user)}/.config/systemd/user"

      # config files to be uploaded to shared/config, see the
      # definition of smart_template for details of operation.
      conf.config_files.each do |file|
        smart_template(file[:source], file[:destination], file[:as_root])
        execute(:chmod, "+x #{file[:destination]}") if file[:executable]
      end

      # which of the above files should be marked as executable
      # conf.executable_config_files.each do |file|
      #   execute :chmod, "+x #{shared_path}/config/#{file}"
      # end

      # symlink stuff which should be... symlinked
      # conf.symlinks.each do |symlink|
      #   sudo "ln -nfs #{shared_path}/config/#{symlink[:source]} #{sub_strings(symlink[:link])}"
      # end

      if File.exists?(File.join('config', 'master.key'))
        upload! File.join('config', 'master.key'), File.join(shared_path, 'config', 'master.key')
      end
    end
  end
end


# remove the default nginx configuration as it will tend to conflict with our configs
before 'deploy:setup_config', 'nginx:remove_default_vhost'

# make sure that shared directories etc exist before running otherwise the
# initial nginx reload won't work because of the nginx log file directory path
# not existing
before 'deploy:setup_config', 'deploy:check:directories'
before 'deploy:setup_config', 'deploy:check:linked_dirs'

# After setup config has generated and setup initial files, run the Capistrano Puma
# tasks responsible for uploading config files. Note that `setup_config` creates overrides
# for these in `config/deploy/templates` so we're not using the default ones from the gem
after 'deploy:setup_config', 'puma:config'
after 'deploy:setup_config', 'puma:nginx_config'
after 'deploy:setup_config', 'puma:monit:config'
after 'deploy:setup_config', 'puma:systemd:config'
after 'deploy:setup_config', 'puma:systemd:enable'
after 'deploy:setup_config', 'certbot:install'

# Enable the sidekiq systemd service so that it's started automatically on (re)boot
after 'deploy:setup_config', 'sidekiq:systemd:enable' if (defined?(Capistrano::Sidekiq) == 'constant' && Capistrano::Sidekiq.class == Class)

# reload nginx to it will pick up any modified vhosts from setup_config
after 'deploy:setup_config', 'nginx:reload'

# Restart monit so it will pick up any monit configurations we've added
after 'deploy:setup_config', 'monit:reload'