{ config, pkgs, inputs, machineName, ... }:
let
  inherit (config.users) users;
in
{
imports = [
  oignon/hardware.nix
];

users.mutableUsers = false;
users.users.julm = {
  isNormalUser = true;
  uid = 1000;
  # Put the hashedPassword in /nix/store, but it will also be in /etc/passwd
  # which is already world readable.
  hashedPassword = builtins.readFile ../secrets/julm/hashedPassword;
  extraGroups = [
    "wheel"
    "networkmanager"
    #"vboxusers"
  ];
  # If created, zfs-mount.service would require:
  # zfs set overlay=yes ${machineName}/home
  createHome = false;
};

nix = {
  extraOptions = ''
    auto-optimise-store = true
  '';
  gc = {
    automatic = true;
    dates = "weekly";
    options = "--delete-older-than 7d";
  };
  nixPath = [
    "nixpkgs=/etc/nixpkgs"
    "nixpkgs-overlays=/etc/nixpkgs-overlays/overlays.nix"
  ];
  trustedUsers = [ users.julm.name ];
};
environment.etc."nixpkgs".source = pkgs.path;
environment.etc."nixpkgs-overlays".source = inputs.self + "/nixpkgs";

nixpkgs.config = {
  allowUnfree = false;
};

time.timeZone = "Europe/Paris";
i18n.defaultLocale = "fr_FR.UTF-8";
console.font = "Lat2-Terminus16";
console.keyMap = "fr";

networking = {
  hostName = machineName;
  domain = "localdomain";
  networkmanager = {
    enable = true;
    #dhcp = "dhcpcd";
    logLevel = "INFO";
    wifi = {
      #backend = "iwd";
      #backend = "wpa_supplicant";
      powersave = false;
    };
  };
  firewall = {
    enable = true;
  };
};

sound.enable = true;
hardware.pulseaudio.enable = true;

environment.variables = {
  EDITOR = "vim";
  PAGER  = "less -R";
  SYSTEMD_LESS = "FKMRX";
};
environment.systemPackages = with pkgs; [
  acpi
  binutils
  bmon
  coreutils
  cryptsetup
  curl
  direnv
  dstat
  e2fsprogs
  file
  glib # gio
  gvfs
  gnumake
  gnupg
  gparted
  hicolor-icon-theme
  home-manager
  htop
  less
  libfaketime
  lsof
  man
  miniupnpc
  mosh
  ncdu
  ncurses
  nmon
  ntfs3g
  pasystray
  pavucontrol
  pciutils
  powertop
  procps
  python
  sudo
  tig
  tmux
  tree
  utillinux
  vim
  wget
  which
  xdg_utils
  xsel
  zfs
];

programs = {
  bash = {
    interactiveShellInit = ''
      bind '"\e[A":history-search-backward'
      bind '"\e[B":history-search-forward'

      # Ignore duplicate commands, ignore commands starting with a space
      export HISTCONTROL=erasedups:ignorespace
      export HISTSIZE=42000
      # Append to the history instead of overwriting (good for multiple connections)
      shopt -s histappend
      fan () {
        if [ $# -gt 0 ]
        then sudo tee /proc/acpi/ibm/fan <<<"level $1"
        else grep '^\(level\|speed\):' /proc/acpi/ibm/fan
        fi
        acpi -t
      }
    '';
    shellAliases = {
      cl = "clear";
      l  = "ls -alh";
      ll = "ls -al";
      ls = "ls --color=tty";
      mem = "ps -e -orss=,user=,args= | sort -b -k1,1n";

      s="sudo systemctl";
      st="sudo systemctl status";
      s-u="systemctl --user";
      j="sudo journalctl -u";

      nix-clean="sudo nix-collect-garbage -d";
      nix-catalog="sudo nix-channel --list";
      nix-history="sudo nix-env --list-generations --profile /nix/var/nix/profiles/system";
      nix-rollback="sudo nixos-rebuild switch --rollback";
      nix-update="sudo nix-channel --update";
      nix-upgrade="sudo nixos-rebuild switch";
      nix-upstream="sudo nix-channel --list";
      nix-config="gvim ~/.config/nixos/*.nix";
    };
  };
  dconf.enable = true;
  gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };
  mtr.enable = true;
};

services = {
  avahi = {
    enable  = true;
    nssmdns = true;
  };
  dbus = {
    packages = [ pkgs.gnome3.dconf ];
  };
  gvfs = {
    enable = true;
  };
  journald = {
    extraConfig = ''
      Compress=true
      MaxRetentionSec=1month
      Storage=persistent
      SystemMaxUse=100M
    '';
  };
  physlock = {
    enable = true;
    allowAnyUser = true;
    # NOTE: xfconf-query -c xfce4-session -p /general/LockCommand -s "physlock" --create -t string
  };
  printing = {
    enable = true;
    drivers = [
      pkgs.gutenprint
      pkgs.hplip
    ];
  };
  sanoid = {
    enable = true;
    extraArgs = [ "--verbose" ];
    datasets = {
      "${machineName}/home" = {
        autosnap = true;
        autoprune = true;
        hourly = 12;
        daily = 7;
        monthly = 0;
        yearly = 0;
        recursive = true;
      };
      "${machineName}/var" = {
        autosnap = true;
        autoprune = true;
        hourly = 12;
        daily = 7;
        monthly = 0;
        yearly = 0;
        recursive = true;
      };
    };
  };
  xserver = {
    enable = true;
    layout = "fr";
    xkbOptions = "eurosign:e";
    libinput.enable = true;
    desktopManager = {
      session = [
        # Let the session be generated by home-manager
        { name = "home-manager";
          start = ''
            ${pkgs.runtimeShell} $HOME/.hm-xsession &
            waitPID=$!
          '';
        }
      ];
      xfce = {
        enable = false;
        /*
        thunarPlugins = [
          pkgs.xfce.thunar-archive-plugin
        ];
        */
      };
      xterm.enable = false;
    };
    displayManager = {
      defaultSession = "home-manager";
      #defaultSession = "none+xmonad";
      autoLogin = {
        enable = true;
        user = users.julm.name;
      };
    };
  };
};

#virtualisation.virtualbox.host.enable = true;

# This value determines the NixOS release with which your system is to be
# compatible, in order to avoid breaking some software such as database
# servers. You should change this only after NixOS release notes say you should.
system.stateVersion = "20.09"; # Did you read the comment?
}