{ pkgs, lib, ... }:
{
  name = "cinnamon";

  meta.maintainers = lib.teams.cinnamon.members;

  nodes.machine =
    { ... }:
    {
      imports = [ ./common/user-account.nix ];
      services.xserver.enable = true;
      services.xserver.desktopManager.cinnamon.enable = true;

      # We don't ship gnome-text-editor in Cinnamon module, we add this line mainly
      # to catch eval issues related to this option.
      environment.cinnamon.excludePackages = [ pkgs.gnome-text-editor ];

      # For the sessionPath subtest.
      services.xserver.desktopManager.cinnamon.sessionPath = [ pkgs.gpaste ];

      # For OCR test.
      services.xserver.displayManager.lightdm.greeters.slick.extraConfig = ''
        enable-hidpi = on
      '';
    };

  enableOCR = true;

  testScript =
    { nodes, ... }:
    let
      user = nodes.machine.users.users.alice;
      env = "DBUS_SESSION_BUS_ADDRESS=unix:path=/run/user/${toString user.uid}/bus DISPLAY=:0";
      su = command: "su - ${user.name} -c '${env} ${command}'";

      # Call javascript in cinnamon (the shell), returns a tuple (success, output),
      # where `success` is true if the dbus call was successful and `output` is what
      # the javascript evaluates to.
      eval =
        name: su "gdbus call --session -d org.Cinnamon -o /org/Cinnamon -m org.Cinnamon.Eval ${name}";
    in
    ''
      machine.wait_for_unit("display-manager.service")

      with subtest("Test if we can see username in slick-greeter"):
          machine.wait_for_text("${user.description}")
          machine.screenshot("slick_greeter_lightdm")

      with subtest("Login with slick-greeter"):
          machine.send_chars("${user.password}\n")
          machine.wait_for_x()
          machine.wait_for_file("${user.home}/.Xauthority")
          machine.succeed("xauth merge ${user.home}/.Xauthority")

      with subtest("Check that logging in has given the user ownership of devices"):
          # Change back to /dev/snd/timer after systemd-258.1
          machine.succeed("getfacl -p /dev/dri/card0 | grep -q ${user.name}")

      with subtest("Wait for the Cinnamon shell"):
          # Correct output should be (true, '2')
          # https://github.com/linuxmint/cinnamon/blob/5.4.0/js/ui/main.js#L183-L187
          machine.wait_until_succeeds("${eval "Main.runState"} | grep -q 'true,..2'")

      with subtest("Check if Cinnamon components actually start"):
          for i in ["csd-media-keys", "cinnamon-killer-daemon", "xapp-sn-watcher", "nemo-desktop"]:
            machine.wait_until_succeeds(f"pgrep -f {i}")
          machine.wait_until_succeeds("journalctl -b --grep 'Loaded applet menu@cinnamon.org'")
          machine.wait_until_succeeds("journalctl -b --grep 'calendar@cinnamon.org: Calendar events supported'")

      with subtest("Check if sessionPath option actually works"):
          machine.succeed("${eval "imports.gi.GIRepository.Repository.dup_default\\(\\).get_search_path\\(\\)"} | grep gpaste")

      with subtest("Check if various environment variables are set"):
          cmd = "xargs --null --max-args=1 echo < /proc/$(pgrep -xf /run/current-system/sw/bin/nemo-desktop)/environ"
          machine.succeed(f"{cmd} | grep 'XDG_SESSION_TYPE' | grep 'x11'")
          machine.succeed(f"{cmd} | grep '__NIXOS_SET_ENVIRONMENT_DONE' | grep '1'")
          # From the nixos/cinnamon module
          machine.succeed(f"{cmd} | grep 'SSH_AUTH_SOCK' | grep 'gcr'")

      with subtest("Open Cinnamon Settings"):
          machine.succeed("${su "cinnamon-settings themes >&2 &"}")
          machine.wait_until_succeeds("${eval "global.display.focus_window.wm_class"} | grep -i 'cinnamon-settings'")
          machine.wait_for_text('(Style|Appearance|Color)')
          machine.sleep(2)
          machine.screenshot("cinnamon_settings")

      with subtest("Lock the screen"):
          machine.succeed("${su "cinnamon-screensaver-command -l >&2 &"}")
          machine.wait_until_succeeds("${su "cinnamon-screensaver-command -q"} | grep 'The screensaver is active'")
          machine.sleep(2)
          machine.screenshot("cinnamon_screensaver")
          machine.send_chars("${user.password}\n", delay=0.2)
          machine.wait_until_succeeds("${su "cinnamon-screensaver-command -q"} | grep 'The screensaver is inactive'")
          machine.sleep(2)

      with subtest("Open GNOME Terminal"):
          machine.succeed("${su "gnome-terminal"}")
          machine.wait_until_succeeds("${eval "global.display.focus_window.wm_class"} | grep -i 'gnome-terminal'")
          machine.sleep(2)

      with subtest("Open virtual keyboard"):
          machine.succeed("${su "dbus-send --print-reply --dest=org.Cinnamon /org/Cinnamon org.Cinnamon.ToggleKeyboard"}")
          machine.wait_for_text('(Esc|123)')
          machine.sleep(2)
          machine.screenshot("cinnamon_virtual_keyboard")

      with subtest("Check if Cinnamon has ever coredumped"):
          machine.fail("coredumpctl --json=short | grep -E 'cinnamon|nemo'")
    '';
}
