{ config, lib, pkgs, ... }: let

    hostPort = 9007;

    subdomain = "ai";

    name = "openwebui";

in {

    options.sysconfig.docker.openwebui.enable = with lib; mkOption {
        type = with types; bool;
        default = false;
    };

    config = lib.mkIf (config.sysconfig.docker.openwebui.enable && config.sysconfig.docker.enable) {

        virtualisation.oci-containers.containers.openwebui = {
            image = "ghcr.io/open-webui/open-webui:v0.7.2";

            # unstable, waiting for 26.05
            #pull = "newer";

            hostname = "${subdomain}.esotericbytes.com";

            networks = [
                "docker-main"
            ];

            /*ports = [
                "${builtins.toString hostPort}:8080"
            ];*/

            volumes = [
                "vol_openwebui:/app/backend/data"
            ];

            labels = {
                "traefik.enable" = "true";
                "traefik.http.routers.${name}.entrypoints" = "localsecure";
                "traefik.http.routers.${name}.rule" = "Host(`${subdomain}.esotericbytes.com`)";
                "traefik.http.routers.${name}.service" = "${name}";
                "traefik.http.routers.${name}.tls.certResolver" = "cloudflare";
                
                "traefik.http.services.${name}.loadbalancer.server.port" = "8080";
            };

            extraOptions = lib.mkIf config.sysconfig.docker.nvidia [
                "--device=nvidia.com/gpu=all"
            ];

            environment = {
            };
        };

        systemd.services."docker-openwebui" = {
            serviceConfig = {
                Restart = lib.mkOverride 90 "always";
                RestartMaxDelaySec = lib.mkOverride 90 "1m";
                RestartSec = lib.mkOverride 90 "100ms";
                RestartSteps = lib.mkOverride 90 9;
            };
            after = [
                "docker-network-setup.service"
                "docker-volume-openwebui.service" 
            ];
            requires = [
                "docker-network-setup.service"
                "docker-volume-openwebui.service" 
            ];
            partOf = [
                "docker-compose-openwebui-root.target"
            ];
            wantedBy = [
                "docker-compose-openwebui-root.target"
            ];
        };

        systemd.services."docker-volume-openwebui" = {
            path = [ pkgs.docker ];
            serviceConfig = {
                Type = "oneshot";
                RemainAfterExit = true;
            };
            script = ''
                docker volume inspect vol_openwebui || docker volume create vol_openwebui --driver=local
                '';
            partOf = [ "docker-compose-openwebui-root.target" ];
            wantedBy = [ "docker-compose-openwebui-root.target" ];
        };

        systemd.targets."docker-compose-openwebui-root" = {
            wantedBy = [ "multi-user.target" ];
        };

    };
}