nixos/hosts/genesis/home-assistant.nix

{ config, pkgs, ... }:

let
	service_list = [ "podman-home-assistant.service" ];
in
{
	virtualisation.podman.enable = true;

	services.home-assistant = {
		enable = true;
		configDir = "/var/lib/hass";
		extraComponents = [
			"accuweather"
			"calendar"
			"cast"
			"eufy"
			"lovelace"
			"nextcloud"
			"ping"
			"piper"
			"radio_browser"
			"rainbird"
			"roborock"
			"smart_meter_texas"
			"speedtestdotnet"
			"solaredge"
			"whisper"
			"wiz"
			"wyoming"
			"zwave_js"
		];
		customComponents = with pkgs.home-assistant-custom-components; [
			smartthinq-sensors
		];

		config = {
			default_config = {};
			tts = [ { platform = "google_translate"; } ];
			http = {
				use_x_forwarded_for = true;
				trusted_proxies = [ "127.0.0.1" "::1" ];
				server_host = "127.0.0.1";
			};
			#"automation manual" = *nix config here* and so on
			"automation ui" = "!include automations.yaml";
			"script ui" = "!include scripts.yaml";
			"scene ui" = "!include scenes.yaml";
		};
	};

	# Helps with Voice stuff for Home Assistant
	services.wyoming = {
		faster-whisper.servers = {
			greg = {
				enable = true;
				beamSize = 1; # wut?
				device = "auto"; # Could be CPU or CUDA
				language = "en";
				model = "base-int8";
				uri = "tcp://0.0.0.0:13415";
			};
		};
		piper.servers.greg = {
			enable = true;
			uri = "tcp://0.0.0.0:13416";
			voice = "en_US-amy-medium";
		};
	};

	# Although NixOS has a package for Home Assistant, it is not kept as up to date as the container and the upstream
	# is very vocal about only supporting their own container or the HAOS deployments. So we deploy the container here
	# and avoid any potential messes from that
	virtualisation.oci-containers = {
		backend = "podman";

		# I have ZWave devices. The easiest way to connect to them is the zwavejs2mqtt service running, so we spin up
		# its container and map the ZWave device into it
		containers.zwave = {
			autoStart = false;  # We will try to start it with udev.extraRules listed below, as this option starts it too quickly
			image = "zwavejs/zwave-js-ui:latest";
			ports = [ "8091:8091" "3000:3000" ];
			volumes = [ "/var/lib/zwave:/usr/src/app/store" ];
			extraOptions = [
				"--device" "/dev/serial/by-id/usb-0658_0200-if00:/dev/zwave"
				"--pull=newer"
			];
			environment = {
				TZ = "America/Chicago";
				CONSOLE_OUTPUT = "true";
			};
		};
	};

	# Both of the above container need storage for their configuration and devices, but it is not created correctly by
	# the container. So we add the creation of /var/lib/{zwave,hass} to the systemd Unit files
	systemd.services = {
		"podman-zwave" = {
			after = [ "sys-devices-pci0000:00-0000:00:1e.0-0000:02:1b.0-usb2-2\\x2d1-2\\x2d1:1.0-tty-ttyACM0.device" ];
			wantedBy = [ "sys-devices-pci0000:00-0000:00:1e.0-0000:02:1b.0-usb2-2\\x2d1-2\\x2d1:1.0-tty-ttyACM0.device" ];
			serviceConfig = {
				StateDirectory = "zwave";
				StateDirectoryMode = pkgs.lib.mkForce "0777";
			};
		};
	};

	services.udev.extraRules = ''
	SUBSYSTEM=="tty", KERNEL=="ttyACM0", TAG+="systemd"
	'';


	greg.proxies = {
		"smart.home".target = "http://127.0.0.1:8123/";
		"smart.thehellings.lan".target = "http://127.0.0.1:8123/";
		"zwave.home".target = "http://127.0.0.1:8091/";
	};

	# Ensure that both ports are up and running. We keep 8123 directly open because we are on the LAN and sometimes want to connect
	# directly for troubleshooting Nginx configuration
	networking.firewall = {
		allowedTCPPorts = [ 80 443 ];
	};

	greg.backup.jobs.zwave = {
		src = "/var/lib/zwave";
		dest = "zwave";
		id = "zwave-asdf";
	};

	greg.backup.jobs.hass-backup = {
		src = "/var/lib/hass";
		dest = "hass";
		id = "hass-asdf";
	};
}