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

{
### --> MergerFS setup
  fileSystems."/mnt/data" = {
    device = "/mnt/content-*";
    fsType = "fuse.mergerfs";
    options = [
      "category.create=ff"
      "cache.files=partial"
      "dropcacheonclose=true"
      "defaults"
      "noauto"
      "nofail"
      "allow_other"
      "moveonenospc=1"
      "minfreespace=50G"
      "func.getattr=newest"
      "fsname=mergerfs_data"
      "x-mount.mkdir"
      "x-systemd.automount"
      "x-systemd.requires=mount-dependencies.service"
    ];
  };
### MergerFS setup <--

  systemd.services.mount-dependencies = {
    description = "This service will mount the encrypted disks for mergerFS";
    after = [ "network.target" ];
    wantedBy = [ "multi-user.target" ];
    serviceConfig = {
      Type = "oneshot";
      RemainAfterExit = true;
      # Bring the service up
      ExecStart = pkgs.writeShellScript "mount-disks" ''
$MOUNT_DEPENDENCIES_START
      '';
      # Take it down gracefully
      ExecStop = pkgs.writeShellScript "unmount-disks" ''
$MOUNT_DEPENDENCIES_STOP
      '';
      Restart = "on-failure";
    };
  };

### --> SnapRAID setup
  services.snapraid = {
    enable = true;
    contentFiles = [
$SNAPRAID_CONTENT_FILES
    ];
    parityFiles = [
$SNAPRAID_PARITY_FILES
    ];
    dataDisks = {
$SNAPRAID_DATA_DISKS
    };
  };
### SnapRAID setup <--
}