include_recipe 'deno'

user node['blossom']['user'] do
  home "/home/#{node['blossom']['user']}"
  manage_home true
  system true
end

group node['blossom']['group'] do
  members [node['blossom']['user']]
  system true
end

directory node['blossom']['install_dir'] do
  owner node['blossom']['user']
  group node['blossom']['group']
  mode '0755'
end

git node['blossom']['install_dir'] do
  repository node['blossom']['repo_url']
  revision node['blossom']['revision']
  action :sync
  user node['blossom']['user']
  group node['blossom']['group']
  notifies :run, 'execute[blossom_build]', :immediately
  notifies :restart, 'service[blossom]', :delayed
end

execute 'blossom_build' do
  command '/usr/local/bin/deno task build'
  cwd node['blossom']['install_dir']
  user node['blossom']['user']
  group node['blossom']['group']
  environment(
    'DENO_DIR' => "/home/#{node['blossom']['user']}/.cache/deno"
  )
  action :nothing
end

directory "/home/#{node['blossom']['user']}/data" do
  owner node['blossom']['user']
  group node['blossom']['group']
  mode '0750'
  recursive true
end

template "#{node['blossom']['install_dir']}/config.yml" do
  source 'config.yml.erb'
  owner node['blossom']['user']
  group node['blossom']['group']
  mode '0640'
  variables(
    port: node['blossom']['port'],
    host: node['blossom']['host'],
    domain: node['blossom']['domain'],
    user: node['blossom']['user'],
    storage_backend: node['blossom']['storage']['backend'],
    storage_local_dir: node['blossom']['storage']['local']['dir'],
    storage_s3: node['blossom']['storage']['s3'],
    allowed_pubkeys: node['blossom']['allowed_pubkeys'],
    max_size: node['blossom']['max_size'],
    list_enabled: node['blossom']['list']['enabled'],
    list_require_auth: node['blossom']['list']['require_auth'],
    list_allow_others: node['blossom']['list']['allow_list_others'],
    delete_require_auth: node['blossom']['delete']['require_auth']
  )
  notifies :restart, 'service[blossom]', :delayed
end

file "#{node['blossom']['install_dir']}/.env" do
  owner node['blossom']['user']
  group node['blossom']['group']
  mode '0640'
  action :create
  notifies :restart, 'service[blossom]', :delayed
end

systemd_unit 'blossom.service' do
  content({
    Unit: {
      Description: 'Blossom Server',
      After: 'network.target'
    },
    Service: {
      Type: 'simple',
      User: node['blossom']['user'],
      Group: node['blossom']['group'],
      WorkingDirectory: node['blossom']['install_dir'],
      ExecStart: '/usr/local/bin/deno task start config.yml',
      Restart: 'on-failure',
      Environment: [
        "DENO_DIR=/home/#{node['blossom']['user']}/.cache/deno"
      ]
    },
    Install: {
      WantedBy: 'multi-user.target'
    }
  })
  action [:create]
end

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