{ pkgs, ... }:

{
  name = "plasma5-systemd-start";
  meta = with pkgs.lib.maintainers; {
    maintainers = [ oxalica ];
  };

  nodes.machine =
    { ... }:

    {
      imports = [ ./common/user-account.nix ];
      services.xserver = {
        enable = true;
        desktopManager.plasma5.enable = true;
        desktopManager.plasma5.runUsingSystemd = true;
      };

      services.displayManager = {
        sddm.enable = true;
        defaultSession = "plasma";
        autoLogin = {
          enable = true;
          user = "alice";
        };
      };
    };

  testScript =
    { nodes, ... }:
    ''
      with subtest("Wait for login"):
          start_all()
          machine.wait_for_file("/tmp/xauth_*")
          machine.succeed("xauth merge /tmp/xauth_*")

      with subtest("Check plasmashell started"):
          machine.wait_until_succeeds("pgrep plasmashell")
          machine.wait_for_window("^Desktop ")

      status, result = machine.systemctl('--no-pager show plasma-plasmashell.service', user='alice')
      assert status == 0, 'Service not found'
      assert 'ActiveState=active' in result.split('\n'), 'Systemd service not active'
    '';
}
