# Module: Base System Configuration
# Description: Core NixOS configuration with Nix settings, base packages, fonts,
#              localization (FR), Fish shell, and security (GPG)
# Services: gvfs, udisks2, gnupg-agent

{ pkgs, customConfig, ... }:

{
  nix.settings = {
    experimental-features = [ "nix-command" "flakes" ];
    substituters = [
      "https://cache.nixos.org/"
      "https://parsec-cloud.cachix.org"
    ];
    trusted-public-keys = [
      "parsec-cloud.cachix.org-1:MuWfCBKBfuUWqwB6xKFK0armIJ+A+Mi++HohuB6YvTk="
    ];
  };

  programs.nh = {
    enable = true;
    clean.enable = true;
    clean.extraArgs = "--keep-since 4d --keep 3";
    flake = builtins.toString customConfig.configFlakePath;
  };

  nixpkgs.config.allowUnfree = true;

  time.timeZone = customConfig.timezone;

  services.gvfs.enable = true;
  services.udisks2.enable = true;

  i18n.defaultLocale = customConfig.locale;

  programs.fish.enable = true;
  users.defaultUserShell = pkgs.fish;

  environment.systemPackages = with pkgs; [
    wget
    jq
    linuxPackages.cpupower

    element-desktop
    ntfs3g
    zip
    unzip

    scream
  ];

  fonts.packages = with pkgs; [
     nerd-fonts.dejavu-sans-mono
     nerd-fonts.droid-sans-mono
  ];

  programs.gnupg.agent = {
    enable = true;
    enableSSHSupport = true;
  };

  # WARNING: DO NOT CHANGE this value after installation!
  # See: https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion
  system.stateVersion = "24.05";
}