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

let
  service = "glance";
  cfg = config.modules.services.${service};
  sec = config.sops.secrets;
  homelab = config.modules.homelab;
in
{
  options.modules.services.${service} = {
    enable = lib.mkEnableOption "enables ${service}";

    # set port options
    port = lib.mkOption {
      type = lib.types.int;
      default = 7700;
      description = "set port for ${service} (default: ${toString cfg.port}";
    };
    url = lib.mkOption {
      type = lib.types.str;
      default = "${homelab.base_domain}";
      description = "set domain for ${service}";
    };
    data_dir = lib.mkOption {
      type = lib.types.str;
      default = "/var/lib/${service}";
      description = "set data directory for ${service}";
    };
    ids = lib.mkOption {
      type = lib.types.int;
      default = cfg.port;
      description = "set uid and pid of ${service} user (matches port by default)";
    };
    backup = lib.mkOption {
      type = lib.types.bool;
      default = true;
      description = "enable backups for ${service}";
    };
    pages = lib.mkOption {
      type = lib.types.attrsOf (lib.types.submodule {
        options.description = lib.mkOption { type = lib.types.str; };
        options.url         = lib.mkOption { type = lib.types.str; };
        options.icon        = lib.mkOption { type = lib.types.str; };
        options.category    = lib.mkOption { type = lib.types.str; };
      });
      default = {};
      description = "configure the service for use in ${service}";
    };
  };

  config = lib.mkIf cfg.enable {
    
    # declare ${service} group
    users.groups.${service} = { gid = lib.mkForce cfg.ids; };

    # declare ${service} user
    users.users.${service} = {
      description = "${service} server user";
      uid = lib.mkForce cfg.ids;
      isSystemUser = true;
      home = cfg.data_dir;
      createHome = true;
      group = "${service}";
      extraGroups = [];
    };

    # enable the ${service} service
    services.${service} = {
      enable = true;
      openFirewall = true;
      settings = {
        server = {
          host = "0.0.0.0";
          port = cfg.port;
        };
        pages = {
        [
          {
            columns = [
              {
                size = "small";
                widgets = [
                  {
                    type = "calendar";
                    first-day-of-week = "monday";
                  }
                  {
                    type = "server-stats";
                    servers = [
                      {
                        type = "local";
                        name = "violet";
                      }
                    ];
                  }
                  {
                    type = "clock";
                    hour-format = "24h";
                    timezones = [
                      {
                        timezone = "America/Chicago";
                        label = "HTX";
                      }
                      {
                        timezone = "America/Denver";
                        label = "AF";
                      }
                    ];
                  }
                  {
                    type = "twitch-channels";
                    channels = [
                      "mang0"
                      "SaltSSBM"
                      "thewaffle77"
                      "ironmouse"
                      "linustech"
                    ];
                  }
                  {
                    type = "weather";
                    location = "Pearland, Texas, United States";
                    units = "imperial";
                    hour-format = "24h";
                  }
                  {
                    type = "markets";
                    markets = [
                      { symbol = "SPY"; name = "S&P 500"; }
                      { symbol = "XMR-USD"; name = "Monero"; }
                      { symbol = "NVDA"; name = "NVIDIA"; }
                      { symbol = "AAPL"; name = "Apple"; }
                      { symbol = "MSFT"; name = "Microsoft"; }
                    ];
                  }
                  {
                    type = "releases";
                    cache = "1d";
                    repositories = [
                      "glanceapp/glance"
                      "go-gitea/gitea"
                      "immich-app/immich"
                      "syncthing/syncthing"
                    ];
                  }
                ];
              }
              {
                size = "full";
                widgets = [
                  {
                    type = "search";
                    autofocus = true;
                    search-engine = "https://www.ecosia.org/search?q={QUERY}";
                    new-tab = true;
                    bangs = [
                      { title = "YouTube"; shortcut = "!y"; url = "https://www.youtube.com/results?search_query={QUERY}"; }
                      { title = "Google"; shortcut = "!g"; url = "https://www.youtube.com/results?search_query={QUERY}"; }
                      { title = "Github"; shortcut = "!gh"; url = "https://github.com/search?q={QUERY}&type=repositories"; }
                    ];
                  }
                  {
                    type = "monitor";
                    cache = "1m";
                    title = "mediastack";
                    sites = [
                      { title = "jellyfin"; url = "https://media.blakedheld.xyz"; icon = "di:jellyfin"; }
                      { title = "audiobookshelf"; url = "https://audiobooks.blakedheld.xyz"; icon = "di:audiobookshelf"; }
                      { title = "yacreader"; url = "http://10.10.0.30:3434"; icon = "/assets/icons/yacreader.png"; }
                      { title = "sonarr"; url = "http://10.10.0.30:3636"; icon = "di:sonarr"; }
                      { title = "qbittorrent"; url = "http://10.10.0.40:3333"; icon = "di:qbittorrent"; }
                      { title = "radarr"; url = "http://10.10.0.30:3737"; icon = "di:radarr"; }
                      { title = "kiwix"; url = "http://10.10.0.30:5050"; icon = "di:kiwix"; }
                      { title = "prowlarr"; url = "http://10.10.0.30:3535"; icon = "di:prowlarr"; }
                      { title = "bazarr"; url = "http://10.10.0.30:3838"; icon = "di:bazarr"; }
                    ];
                  }
                  {
                    type = "monitor";
                    cache = "1m";
                    title = "services";
                    sites = [
                      { title = "immich"; url = "https://pics.blakedheld.xyz"; icon = "di:immich"; }
                      { title = "vaultwarden"; url = "https://pass.blakedheld.xyz"; icon = "di:vaultwarden"; }
                      { title = "gitea"; url = "https://git.blakedheld.xyz"; icon = "di:gitea"; }
                      { title = "home assistant"; url = "https://home.blakedheld.xyz"; icon = "di:home-assistant"; }
                      { title = "zigbee2mqtt"; url = "http://10.10.0.30:4142"; icon = "di:zigbee2mqtt"; }
                      { title = "syncthing"; url = "http://10.10.0.20:2222"; icon = "di:syncthing"; }
                      { title = "archivebox"; url = "http://10.10.0.30:5656"; icon = "sh:archivebox"; }
                      { title = "copyparty"; url = "http://10.10.0.20:3923"; icon = "sh:copyparty"; }
                    ];
                  }
                  {
                    type = "monitor";
                    cache = "1m";
                    title = "system";
                    sites = [
                      { title = "proxmox"; url = "http://10.10.0.10:8006"; icon = "di:proxmox"; allow-insecure = true; }
                      { title = "nginx"; url = "http://10.10.0.30:8080"; icon = "di:nginx"; }
                      { title = "uptime kuma"; url = "http://10.10.0.30:8181"; icon = "di:uptime-kuma"; }
                      { title = "tn holocron"; url = "https://10.10.0.20"; icon = "di:truenas"; allow-insecure = true; }
                      { title = "bebe"; url = "https://10.10.0.1"; icon = "di:unifi"; allow-insecure = true; }
                    ];
                  }
                ];
              }
            ];
        }
      ]
      };
    };
  };
    # override umask to make permissions work out
    systemd.services.${service}.serviceConfig = {
      UMask = lib.mkForce "0007";
#      User = "${service}";
#      Group = "${service}";
    };

#    # open firewall
#    networking.firewall.allowedTCPPorts = [ cfg.port ];

    # internal reverse proxy entry
    services.nginx.virtualHosts."${cfg.url}" = {
      forceSSL = true;
      sslCertificate = sec."ssl_blakedheld_crt".path;
      sslCertificateKey = sec."ssl_blakedheld_key".path;
      locations."/" = {
        proxyPass = "http://127.0.0.1:${toString cfg.port}";
      };
    };
#     # external reverse proxy entry
#     services.nginx.virtualHosts."${service}.blakedheld.xyz" = {
#      forceSSL = true;
#      sslCertificate = sec."ssl_blakedheld_crt".path;
#      sslCertificateKey = sec."ssl_blakedheld_key".path;
#      locations."/" = {
#        proxyPass = "http://127.0.0.1:${toString cfg.port}";
#      };
#    };
#
#    sops.secrets = {
#      "${service}_" = {
#        owner = "${service}";
#        group = "${service}";
#      };
#    };

    # add to backups
    modules.system.backups.baks = {
      ${service} = { paths = [ cfg.data_dir ]; };
    };
  };
}