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

with builtins;
let postgresPkg = pkgs.postgresql_14;
in rec {
  networking.hostName = "bc01n05";
  # TODO: undefine fqdn and define domain after big nix change
  hscloud.base.fqdn = "${networking.hostName}.hswaw.net";
  #networking.domain = "hswaw.net";
  system.stateVersion = "22.05";
  nix.maxJobs = 16;

  ### zfs
  # randomly generated
  networking.hostId = "26dbfbcd";
  boot.supportedFilesystems = [ "zfs" ];
  boot.initrd.supportedFilesystems = [ "zfs" ];
  services.zfs.trim.enable = true;

  boot.loader.grub.device = "/dev/sda";
  fileSystems = {
    "/" = {
      device = "rpool/nixos/root";
      fsType = lib.mkForce "zfs";
      options = [ "X-mount.mkdir" ];
    };
    "/home" = {
      device = "rpool/nixos/home";
      fsType = "zfs";
      options = [ "X-mount.mkdir" ];
    };
    "/var/lib/postgresql" = {
      device = "rpool/postgres";
      fsType = "zfs";
      options = [ "X-mount.mkdir" ];
    };
    "/boot" = {
      device = "/dev/disk/by-uuid/2a951c5d-0193-4ef3-9227-d8a5184cbd63";
      fsType = "ext4";
    };
  };

  hscloud.base = {
    mgmtIf = "eno1";
    ipAddr = "185.236.240.37";
    ipAddrBits = 28;
    gw = "185.236.240.33";
  };

  environment.systemPackages = [postgresPkg];
  services.postgresql = {
    enable = true;
    package = postgresPkg;
    enableTCPIP = true;
    initdbArgs = ["--encoding='UTF8'" "--lc-collate='C'" "--lc-ctype='C'"];
    ensureDatabases = ["synapse" "mediarepo"];
    ensureUsers = [
      {
        name = "synapse";
        ensurePermissions = {
          "DATABASE synapse" = "ALL PRIVILEGES";
        };
      }
      {
        name = "mediarepo";
        ensurePermissions = {
          "DATABASE mediarepo" = "ALL PRIVILEGES";
        };
      }
    ];
    # TODO actually allow synapse to talk to us
    # also adjust firewall
    authentication = pkgs.lib.mkOverride 10 ''
      local all all trust
      host all all 127.0.0.1/32 trust
      host all all ::1/128 trust
    '';
  };
}