class ServersController < ApplicationController
  before_action :set_server, only: [ :show, :destroy, :start, :stop, :restart, :spawn ]

  def index
    @servers = current_user.servers.includes(:server_template).order(created_at: :desc)
  end

  def show
    authorize_user!
  end

  def new
    @server_templates = current_user.server_templates.order(:name)
    @server = current_user.servers.build

    if params[:server_template_id]
      @server_template = current_user.server_templates.find(params[:server_template_id])
      @server.server_template = @server_template
    end
  end

  def create
    @server_template = current_user.server_templates.find(server_params[:server_template_id])
    @server = current_user.servers.build(server_params)
    @server.server_template = @server_template
    @server.status = :stopped

    if @server.save
      Activity.log(current_user, "spawned", "Server", @server.id, { name: @server.name, port: @server.port })
      SpawnServerJob.perform_later(@server.id)
      redirect_to @server, notice: "Server spawning..."
    else
      @server_templates = current_user.server_templates.order(:name)
      render :new, status: :unprocessable_entity
    end
  end

  def spawn
    authorize_user!
    Activity.log(current_user, "spawning", "Server", @server.id, { name: @server.name })
    SpawnServerJob.perform_later(@server.id)
    @server.update(status: :starting)
    redirect_to @server, notice: "Server spawning..."
  end

  def start
    authorize_user!
    StartServerJob.perform_later(@server.id)
    redirect_to @server, notice: "Server starting..."
  end

  def stop
    authorize_user!
    StopServerJob.perform_later(@server.id)
    redirect_to @server, notice: "Server stopping..."
  end

  def restart
    authorize_user!
    RestartServerJob.perform_later(@server.id)
    redirect_to @server, notice: "Server restarting..."
  end

  def destroy
    authorize_user!
    name = @server.name
    @server.destroy
    Activity.log(current_user, "deleted", "Server", @server.id, { name: name })
    redirect_to servers_path, notice: "Server deleted."
  end

  private

  def set_server
    @server = Server.find(params[:id])
  end

  def server_params
    params.require(:server).permit(:name, :port, :server_template_id)
  end

  def authorize_user!
    redirect_to servers_path, alert: "Not authorized" unless @server.user_id == current_user.id
  end
end