From 62f3c7fcc0baa73d2f614f9814b01f1791c89040 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kier=C3=A1n=20Meinhardt?= <kmein@posteo.de>
Date: Thu, 9 Feb 2023 18:05:11 +0100
Subject: [PATCH] wip

---
 systems/zaatar/home-assistant.nix | 195 ++++++++++++++++++++++++++++--
 1 file changed, 184 insertions(+), 11 deletions(-)

diff --git a/systems/zaatar/home-assistant.nix b/systems/zaatar/home-assistant.nix
index efe9202..463c698 100644
--- a/systems/zaatar/home-assistant.nix
+++ b/systems/zaatar/home-assistant.nix
@@ -1,7 +1,46 @@
-let
+{pkgs, ...}: let
   port = 8123;
+  mosquittoPort = 1883;
+  zigbee2mqttPort = 7977;
 in {
-  networking.firewall.allowedTCPPorts = [port];
+  networking.firewall.allowedTCPPorts = [port zigbee2mqttPort];
+
+  services.zigbee2mqtt = {
+    enable = true;
+    settings = {
+      serial.port = "/dev/ttyACM0";
+      permit_join = true;
+      homeassistant = true;
+      frontend = {
+        port = zigbee2mqttPort;
+        host = "0.0.0.0";
+      };
+      experimental.new_api = true;
+      mqtt = {
+        discovery = true;
+        base_topic = "zigbee";
+        server = "mqtt://localhost:${toString mosquittoPort}";
+        user = "as59";
+        password = "as59-mqtt";
+      };
+    };
+  };
+
+  services.mosquitto = {
+    enable = true;
+    listeners = [
+      {
+        acl = [];
+        users.as59 = {
+          acl = ["readwrite #"];
+          password = "as59-mqtt";
+        };
+        port = mosquittoPort;
+      }
+    ];
+  };
+
+  environment.systemPackages = [pkgs.mosquitto];
 
   services.nginx.virtualHosts."home.kmein.r" = {
     locations."/" = {
@@ -9,16 +48,150 @@ in {
     };
   };
 
-  virtualisation.oci-containers = {
-    backend = "podman";
-    containers.homeassistant = {
-      volumes = ["home-assistant:/config"];
-      environment.TZ = "Europe/Berlin";
-      image = "ghcr.io/home-assistant/home-assistant:stable";
-      extraOptions = [
-        "--network=host"
-        # "--device=/dev/ttyUSB0:/dev/ttyACM0"  # Example, change this to match your own hardware
+  services.home-assistant = {
+    enable = true;
+    configWritable = true;
+    lovelaceConfigWritable = true;
+    config = let
+    in {
+      homeassistant = {
+        name = "Home";
+        time_zone = "Europe/Berlin";
+        latitude = "52.46187";
+        longitude = "13.41489";
+        elevation = 90;
+        unit_system = "metric";
+        # customize = friendly_names;
+      };
+      config = {};
+      sun.elevation = 66;
+      discovery = {};
+      frontend = {};
+      http = {};
+      weather = [
+        #{
+        #  platform = "openweathermap";
+        #  api_key = "xxx"; # TODO put into secrets
+        #}
       ];
+      system_health = {};
+      history = {};
+      switch = [
+        {
+          platform = "mqtt";
+          name = "zigbee2mqtt_join";
+          state_topic = "/zigbee2mqtt/bridge/config/permit_join";
+          command_topic = "/zigbee2mqtt/bridge/config/permit_join";
+          payload_on = "true";
+          payload_off = "false";
+        }
+      ];
+      automation = [
+        {
+          id = "zigbee_join_enabled";
+          alias = "";
+          trigger = {
+            platform = "state";
+            entity_id = "switch.zigbee2mqtt_join";
+            to = "on";
+          };
+          action = {
+            service = "timer.start";
+            entity_id = "timer.zigbee_permit_join";
+          };
+        }
+        {
+          id = "zigbee_join_disabled";
+          trigger = [
+            {
+              platform = "event";
+              event_type = "timer.finished";
+              event_data.entity_id = "timer.zigbee_permit_join";
+            }
+            {
+              platform = "state";
+              entity_id = "switch.zigbee2mqtt_join";
+              to = "off";
+            }
+          ];
+          action = [
+            {
+              service = "timer.cancel";
+              data.entity_id = "timer.zigbee_permit_join";
+            }
+            {
+              service = "switch.turn_off";
+              entity_id = "switch.zigbee2mqtt_join";
+            }
+          ];
+        }
+      ];
+      timer.zigbee_permit_join = {
+        name = "Zigbee Time remaining";
+        duration = 120;
+      };
+      mobile_app = {};
+      sensor = [
+        {
+          platform = "dwd_weather_warnings";
+          region_name = "Berlin";
+        }
+        # Sensor for monitoring the bridge state
+        {
+          platform = "mqtt";
+          name = "Zigbee2mqtt Bridge state";
+          state_topic = "/zigbee2mqtt/bridge/state";
+          icon = "mdi:router-wireless";
+        }
+        # Sensor for Showing the Zigbee2mqtt Version
+        {
+          platform = "mqtt";
+          name = "Zigbee2mqtt Version";
+          state_topic = "/zigbee2mqtt/bridge/config";
+          value_template = "{{ value_json.version }}";
+          icon = "mdi:zigbee";
+        }
+        # Sensor for Showing the Coordinator Version
+        {
+          platform = "mqtt";
+          name = "Coordinator Version";
+          state_topic = "/zigbee2mqtt/bridge/config";
+          value_template = "{{ value_json.coordinator }}";
+          icon = "mdi:chip";
+        }
+      ];
+      mqtt = {
+        broker = "localhost";
+        port = mosquittoPort;
+        client_id = "home-assistant";
+        username = "gg23";
+        password = "gg23-mqtt";
+        keepalive = 60;
+        protocol = 3.1;
+
+        discovery = true;
+        birth_message = {
+          topic = "/hass/status";
+          payload = "online";
+        };
+        will_message = {
+          topic = "/hass/status";
+          payload = "offline";
+        };
+      };
     };
   };
+
+  # virtualisation.oci-containers = {
+  #   backend = "podman";
+  #   containers.homeassistant = {
+  #     volumes = ["home-assistant:/config"];
+  #     environment.TZ = "Europe/Berlin";
+  #     image = "ghcr.io/home-assistant/home-assistant:stable";
+  #     extraOptions = [
+  #       "--network=host"
+  #       # "--device=/dev/ttyUSB0:/dev/ttyACM0"  # Example, change this to match your own hardware
+  #     ];
+  #   };
+  # };
 }