class WcoHosting::Serverhost

def self.list
  [[nil,nil]] + all.map { |s| [s.name, s.id] }
  # all.map { |s| [s.name, s.id] }
end

def add_docker_service app
  @obj = app
  Wco::Log.puts! nil, '#add_docker_service', obj: @obj
  ac   = ActionController::Base.new
  ac.instance_variable_set( :@app, app )
  ac.instance_variable_set( :@workdir, WORKDIR )
  # rendered_str = ac.render_to_string("wco_hosting/docker-compose/dc-#{app.tmpl.kind}")
  rendered_str = ac.render_to_string("wco_hosting/docker-compose/dc-any")
  Wco::Log.puts! rendered_str, 'add_docker_service rendered_str', obj: @obj
  file = Tempfile.new('prefix')
  file.write rendered_str
  file.close
  # puts! file.path, 'file.path'
  cmd = "scp #{file.path} #{ssh_host}:#{WORKDIR}/dc-#{app.service_name}.yml "
  do_exec cmd
  cmd = "ssh #{ssh_host} 'cd #{WORKDIR} ; \
    docker compose -f dc-#{app.service_name}.yml up -d #{app.service_name} ; \
    echo ok #add_docker_service ' "
  do_exec cmd
end

def add_nginx_site app
  @obj = app
  ac   = ActionController::Base.new
  ac.instance_variable_set( :@app, app )
  rendered_str = ac.render_to_string("wco_hosting/scripts/nginx_site.conf")
  Wco::Log.puts! rendered_str, 'add_nginx_site rendered_str', obj: @obj
  file = Tempfile.new('prefix')
  file.write rendered_str
  file.close
  cmd = "scp #{file.path} #{ssh_host}:/etc/nginx/sites-available/#{app.service_name}.conf "
  do_exec cmd
  cmd = "ssh #{ssh_host} 'ln -s /etc/nginx/sites-available/#{app.service_name}.conf /etc/nginx/sites-enabled/#{app.service_name}.conf ' "
  do_exec cmd
  cmd = "ssh #{ssh_host} 'nginx -s reload ' "
  do_exec cmd
end

def create_appliance app
  # puts! app, 'Serverhost#create_appliance'
  create_subdomain(   app )
  create_volume(      app )
  add_docker_service( app )
  add_nginx_site(     app )
  # load_database( app )
  update({ next_port: app.serverhost.next_port + 1 })
end

def create_subdomain app
  @obj = app
  Wco::Log.puts! @obj, '#create_subdomain...', obj: @obj
  client = DropletKit::Client.new(access_token: DO_TOKEN_1)
  record = DropletKit::DomainRecord.new(
    type: 'A',
    name: app.subdomain,
    data: app.serverhost.public_ip,
  )
  client.domain_records.create(record, for_domain: app.domain )
  Wco::Log.puts! record, 'created subdomain?', obj: @obj
end

def create_volume app
  @obj = app
  Wco::Log.puts! app.service_name, 'Serverhost#create_volume', obj: @obj
  ac   = ActionController::Base.new
  ac.instance_variable_set( :@app, app )
  ac.instance_variable_set( :@workdir, WORKDIR )
  rendered_str = ac.render_to_string("wco_hosting/scripts/create_volume")
  Wco::Log.puts! rendered_str, 'create_volume rendered_str', obj: @obj
  file = Tempfile.new('prefix')
  file.write rendered_str
  file.close
  # puts! file.path, 'file.path'
  cmd = "scp #{file.path} #{ssh_host}:#{WORKDIR}/scripts/create_volume"
  do_exec( cmd )
  cmd = "ssh #{ssh_host} 'chmod a+x #{WORKDIR}/scripts/create_volume ; #{WORKDIR}/scripts/create_volume ' "
  do_exec( cmd )
end

def create_wordpress_volume app
  @obj = app
  ac   = ActionController::Base.new
  ac.instance_variable_set( :@app, app )
  ac.instance_variable_set( :@workdir, WORKDIR )
  rendered_str = ac.render_to_string("wco_hosting/scripts/create_volume")
  Wco::Log.puts! rendered_str, 'create_volume rendered_str', obj: @obj
  file = Tempfile.new('prefix')
  file.write rendered_str
  file.close
  # puts! file.path, 'file.path'
  cmd = "scp #{file.path} #{ssh_host}:#{WORKDIR}/scripts/create_volume"
  do_exec cmd
  cmd = "ssh #{ssh_host} 'chmod a+x #{WORKDIR}/scripts/create_volume ; \
    #{WORKDIR}/wco_hosting/scripts/create_volume ' "
  do_exec cmd
end

def do_exec cmd
  Wco::Log.puts! cmd, '#do_exec', obj: @obj
  stdout, stderr, status = Open3.capture3(cmd)
  status = status.to_s.split.last.to_i
  Wco::Log.puts! stdout, 'stdout', obj: @obj
  Wco::Log.puts! stderr, 'stderr', obj: @obj
  Wco::Log.puts! status, 'status', obj: @obj
end