{ pkgs, ... }:

{
  environment = {
    shells = [ "${pkgs.fish}/bin/fish" "${pkgs.bash}/bin/bash" ];
    systemPackages = with pkgs; [
      fishPlugins.hydro
    ];
  };
  users.extraUsers.payas = { shell = "${pkgs.fish}/bin/fish"; };

  programs.fish = {
    enable = true;
    vendor = {
      completions.enable = true;
      config.enable = true;
    };

    interactiveShellInit = ''
      set -U fish_greeting

      function ndiff -d "NixOS  diff"
               command nix store diff-closures /nix/var/nix/profiles/system-$argv[1]-link /nix/var/nix/profiles/system-$argv[2]-link
      end

      # Add doom-emacs to path
      set -gx PATH ~/.config/emacs/bin/ $PATH

      # Enable Atuin integration
      atuin init --disable-up-arrow fish | source
    '';

    shellAbbrs = {
      "mkbook" = "wget --recursive --level=5 --convert-links --page-requisites --wait=1 --random-wait --timestamping --no-parent";
      "cdnix" = "cd /etc/nixos/";
      "nfu" = "nix flake update";
      "snfu" = "sudo nix flake update";
      "nrb" = "sudo nixos-rebuild boot -v";
      "nrs" = "sudo nixos-rebuild switch -v";
      "nrso" = "sudo nixos-rebuild switch -v --offline";
      "nes" = "sudo nix-env --profile /nix/var/nix/profiles/system";
      "nesl" = "sudo nix-env --profile /nix/var/nix/profiles/system --list-generations";
      "nesd" = "sudo nix-env --profile /nix/var/nix/profiles/system --delete-generations";
      "ness" = "sudo nix-env --profile /nix/var/nix/profiles/system --switch-generation";
      "nesr" = "sudo nix-env --profile /nix/var/nix/profiles/system --rollback";
      "ngc" = "sudo rm /nix/var/nix/gcroots/auto/*";
      "ngl" = "nix registry list";
      "ngpn" = "nix registry pin nixpkgs";
      "ngrn" = "nix registry remove nixpkgs";
      "nsr" = "nix-store --query --referrers";
      "nsra" = "nix-store --query --referrers-closure";
      "nss" = "ls -la /nix/store/ | rg";
      "rmlock" = "rm /home/payas/.git/index.lock";
      "ht" = "htop";
      "gcl" = "git cl";
      "gd" = "git diff";
      "gl" = "git last";
      "gpr" = "git pull --rebase origin master";
      "gst" = "git status";
      "gsh" = "git stash";
      "gco" = "git checkout";
      "l" = "ls -alh";
      "ll" = "ls -l";
      "ls" = "ls --color=tty";
      "spc" = "df -t ext4 -t fuseblk -t ntfs -t vfat -t fat32 -t fat -h";
      "rgi" = "rg -i";
      "rgn" = "rg --no-ignore";
      "rgni" = "rg --no-ignore -i";
      "fdn" = "fd --no-ignore";
      "ipa" = "ip -br -c a";
      "soulseek" = "/run/current-system/sw/bin/SoulseekQt";
      "dup" = "doom upgrade";
      "dsy" = "doom sync";
      "bebop" = "ssh payas@bebop";
      "titan" = "ssh payas@titan";
      "lapetus" = "ssh payas@lapetus";
      "rhea" = "ssh payas@rhea";
      "bbrb" = "sudo nixos-rebuild boot --flake .#bebop -v --target-host root@bebop";
      "bbrs" = "sudo nixos-rebuild switch --flake .#bebop -v --target-host root@bebop";
      "bkp" = "emacs --script ~/org/elisp-fu/bkp.el";
      "mid" = "mu index";
    };
  };
}