{ config, lib, ... }:
let
  cfg = config.beeMods.dwm.picom;
in
{
  config = lib.mkIf cfg.enable {
    services.picom = {
      enable = true;
      backend = "glx";
      vSync = true;

      activeOpacity = if cfg.window.blur.enable then 0.90 else cfg.window.opacity.active;
      inactiveOpacity = if cfg.window.blur.enable then 0.90 else cfg.window.opacity.inactive;

      opacityRules = [
        "100:fullscreen"
        "100:_NET_WM_STATE@:32a *= '_NET_WM_STATE_FULLSCREEN'"
      ];
      settings = {
        blur = {
          method = "dual_kawase";
          strength = cfg.window.blur.strength;
          size = cfg.window.blur.size;
        };
        blur-background = cfg.window.blur.enable;
        blur-background-exclude = [
          "window_type = 'dock'"
          "window_type = 'desktop'"
          "class_g = 'slop'"
          "class_g = 'dwm'"
          "_GTK_FRAME_EXTENTS@"
          "fullscreen"
          "_NET_WM_STATE@:32a *= '_NET_WM_STATE_FULLSCREEN'"
        ];

        # xrender-sync-fence = true;
        use-damage = true;

        unredir-if-possible = true;

        detect-transient = true;
        detect-client-opacity = true;
        mark-wmwin-focused = true;
        mark-ovredir-focused = true;
        detect-rounded-corners = true;

        shadow = cfg.shadow;
        fading = false;
        animations = cfg.animations;
      };
    };

    # systemd.user.services.picom.Install.wantedBy = lib.mkForce [ ];
    systemd.user.services.picom = {
      Unit = {
        ConditionEnvironment = "XDG_SESSION_TYPE=x11";
      };
    };
  };
}