feat(hass): setup ui declaratively

devices/homie/modules/home-assistant/frontend.nix

@@ -1,12 +1,68 @@
-{dracul-ha-src, ...}: {
+{
+  caule-themes-src,
+  dracul-ha-src,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib) concatStringsSep getExe;
+  inherit (pkgs.writers) writeYAML;
+
+  themes = [
+    "${caule-themes-src}/themes/caule-themes-pack-1.yaml"
+    "${dracul-ha-src}/themes/dracul-ha.yaml"
+  ];
+in {
+  systemd.services.home-assistant.preStart = let
+    WorkingDirectory = "/var/lib/hass";
+  in
+    getExe (pkgs.writeShellApplication {
+      name = "ha-themes";
+      text = ''
+        mkdir -p ${WorkingDirectory}/themes
+        cp -f ${concatStringsSep " " themes} ${WorkingDirectory}/themes
+      '';
+    });
+
   services.home-assistant = {
-    config = {
-      # GUI
-      frontend = {
-        themes = "!include ${dracul-ha-src}/themes/dracul-ha.yaml";
-      };
-      lovelace = {
+    config.frontend = {
+      themes = "!include_dir_merge_named themes";
+    };
+
+    lovelaceConfig = {
+      title = "Our House";
+      views = [
+        {
+          path = "home";
+          title = "Home";
+          cards = [
+            {
+              type = "entities";
+              entities = [
+                "switch.smartplug1"
+                "switch.smartplug3"
+              ];
+            }
+          ];
+        }
+      ];
+    };
+
+    config.lovelace.dashboards = {
+      esphome-dash = {
+        title = "ESPHome";
+        icon = "mdi:car-esp";
         mode = "yaml";
+
+        show_in_sidebar = true;
+        require_admin = true;
+
+        filename = writeYAML "esphome.yaml" {
+          strategy = {
+            type = "iframe";
+            url = "https://esphome.nelim.org";
+          };
+        };
       };
     };
   };

inputs.nix

@@ -226,6 +226,11 @@ let
       owner = "berti24";
       repo = "dracul-ha";
     }
+    {
+      name = "caule-themes-src";
+      owner = "ricardoquecria";
+      repo = "caule-themes-pack-1";
+    }
 
     # Nvim plugins
     {