{ config, lib, ... }:

{
  options.homelab.nfsMounts = lib.mkOption {
    type = lib.types.attrsOf (lib.types.submodule {
      options = {
        device = lib.mkOption {
          type = lib.types.str;
          description = "The NFS device, e.g. 192.168.0.11:/mnt/POOL/DATA";
        };
        readOnly = lib.mkOption {
          type = lib.types.bool;
          default = false;
          description = "Whether to mount the NFS share read-only";
        };
        extraOptions = lib.mkOption {
          type = lib.types.listOf lib.types.str;
          default = [
            "async"
            "soft"
            "timeo=100"
            "retry=50"
            "actimeo=1800"
            "lookupcache=all"
          ];
          description = "Extra NFS mount options to append";
        };
      };
    });
    default = {};
    description = "NFS mounts to automatically configure with standard homelab options";
  };

  config = {
    fileSystems = lib.mapAttrs (path: cfg: {
      device = cfg.device;
      fsType = "nfs";
      options = [
        "nfsvers=4.2"
        "nosuid"
        "tcp"
      ] ++ (if cfg.readOnly then [ "ro" ] else [ "rw" ])
        ++ cfg.extraOptions;
    }) config.homelab.nfsMounts;
  };
}