{ config, pkgs, lib, ... }:
with lib; let
  inherit (config.myHome) username homeDirectory;
  cfg = config.myHome.shell.fish;
in
{
  options.myHome.shell.fish = {
    enable = mkEnableOption "fish";
  };

  config = mkMerge [
    (mkIf cfg.enable {
      programs.fish = {
        enable = true;

        shellAliases = {
          m = "less";
          ls = "${pkgs.lsd}/bin/lsd";
          ll = "${pkgs.lsd}/bin/lsd -l";
          la = "${pkgs.lsd}/bin/lsd -a";
          lt = "${pkgs.lsd}/bin/lsd --tree";
          lla = "${pkgs.lsd}/bin/lsd -la";
          tm = "tmux attach -t (basename $PWD) || tmux new -s (basename $PWD)";
          lsusb = "cyme --headings --tree --hide-buses";
          x = "exit";
        };

        shellAbbrs = {
          nrs = "sudo nixos-rebuild switch --flake .";
          nvdiff = "nvd diff /run/current-system result";
          # rook & ceph versions.
          rcv =
            ''
              kubectl \
                -n rook-ceph \
                get deployments \
                -l rook_cluster=rook-ceph \
                -o jsonpath='{range .items[*]}{.metadata.name}{"  \treq/upd/avl: "}{.spec.replicas}{"/"}{.status.updatedReplicas}{"/"}{.status.readyReplicas}{"  \trook-version="}{.metadata.labels.rook-version}{"  \tceph-version="}{.metadata.labels.ceph-version}{"\n"}{end}'
            '';
        };

        interactiveShellInit = ''
          # Erase fish_mode_prompt function
          functions -e fish_mode_prompt

          function remove_path
            if set -l index (contains -i $argv[1] $PATH)
              set --erase --universal fish_user_paths[$index]
            end
          end

          function update_path
            if test -d $argv[1]
              fish_add_path -m $argv[1]
            else
              remove_path $argv[1]
            end
          end

          # Krew
          set -q KREW_ROOT; and set -gx PATH $PATH $KREW_ROOT/.krew/bin; or set -gx PATH $PATH $HOME/.krew/bin

          # Paths are in reverse priority order
          update_path /opt/homebrew/opt/postgresql@16/bin
          update_path /opt/homebrew/bin
          update_path /nix/var/nix/profiles/default/bin
          update_path /run/current-system/sw/bin
          update_path /etc/profiles/per-user/${username}/bin
          update_path /run/wrappers/bin
          update_path ${homeDirectory}/.nix-profile/bin
          update_path ${homeDirectory}/go/bin
          update_path ${homeDirectory}/.cargo/bin
          update_path ${homeDirectory}/.local/bin

          set -gx EDITOR "vim"

          if test (hostname) = "telchar"
            set -gx VISUAL "code"
          end

          set -gx SSH_ASKPASS_REQUIRE "prefer" # This is for git to use the ssh-askpass
          set -gx ATUIN_SYNC_ADDRESS "https://sh.hsn.dev"

          # One Password cli
          if test -e ~/.config/op/plugins.sh
            source ~/.config/op/plugins.sh
          end


          set -gx LSCOLORS "Gxfxcxdxbxegedabagacad"
          set -gx LS_COLORS 'di=01;34:ln=01;36:pi=33:so=01;35:bd=01;33:cd=33:or=31:ex=01;32:*.7z=01;31:*.bz2=01;31:*.gz=01;31:*.lz=01;31:*.lzma=01;31:*.lzo=01;31:*.rar=01;31:*.tar=01;31:*.tbz=01;31:*.tgz=01;31:*.xz=01;31:*.zip=01;31:*.zst=01;31:*.zstd=01;31:*.bmp=01;35:*.tiff=01;35:*.tif=01;35:*.TIFF=01;35:*.gif=01;35:*.jpeg=01;35:*.jpg=01;35:*.png=01;35:*.webp=01;35:*.pot=01;35:*.pcb=01;35:*.gbr=01;35:*.scm=01;35:*.xcf=01;35:*.spl=01;35:*.stl=01;35:*.dwg=01;35:*.ply=01;35:*.apk=01;31:*.deb=01;31:*.rpm=01;31:*.jad=01;31:*.jar=01;31:*.crx=01;31:*.xpi=01;31:*.avi=01;35:*.divx=01;35:*.m2v=01;35:*.m4v=01;35:*.mkv=01;35:*.MOV=01;35:*.mov=01;35:*.mp4=01;35:*.mpeg=01;35:*.mpg=01;35:*.sample=01;35:*.wmv=01;35:*.3g2=01;35:*.3gp=01;35:*.gp3=01;35:*.webm=01;35:*.flv=01;35:*.ogv=01;35:*.f4v=01;35:*.3ga=01;35:*.aac=01;35:*.m4a=01;35:*.mp3=01;35:*.mp4a=01;35:*.oga=01;35:*.ogg=01;35:*.opus=01;35:*.s3m=01;35:*.sid=01;35:*.wma=01;35:*.flac=01;35:*.alac=01;35:*.mid=01;35:*.midi=01;35:*.pcm=01;35:*.wav=01;35:*.ass=01;33:*.srt=01;33:*.ssa=01;33:*.sub=01;33:*.git=01;33:*.ass=01;33:*README=33:*README.rst=33:*README.md=33:*LICENSE=33:*COPYING=33:*INSTALL=33:*COPYRIGHT=33:*AUTHORS=33:*HISTORY=33:*CONTRIBUTOS=33:*PATENTS=33:*VERSION=33:*NOTICE=33:*CHANGES=33:*CHANGELOG=33:*log=33:*.txt=33:*.md=33:*.markdown=33:*.nfo=33:*.org=33:*.pod=33:*.rst=33:*.tex=33:*.texttile=33:*.bib=35:*.json=35:*.jsonl=35:*.jsonnet=35:*.libsonnet=35:*.rss=35:*.xml=35:*.fxml=35:*.toml=35:*.yaml=35:*.yml=35:*.dtd=35:*.cbr=35:*.cbz=35:*.chm=35:*.pdf=35:*.PDF=35:*.epub=35:*.awk=35:*.bash=35:*.bat=35:*.BAT=35:*.sed=35:*.sh=35:*.zsh=35:*.vim=35:*.py=35:*.ipynb=35:*.rb=35:*.gemspec=35:*.pl=35:*.PL=35:*.t=35:*.msql=35:*.mysql=35:*.pgsql=35:*.sql=35:*.r=35:*.R=35:*.cljw=35:*.scala=35:*.sc=35:*.dart=35:*.asm=35:*.cl=35:*.lisp=35:*.rkt=35:*.el=35:*.elc=35:*.eln=35:*.lua=35:*.c=35:*.C=35:*.h=35:*.H=35:*.tcc=35:*.c++=35:*.h++=35:*.hpp=35:*.hxx=35:*ii.=35:*.m=35:*.M=35:*.cc=35:*.cs=35:*.cp=35:*.cpp=35:*.cxx=35:*.go=35:*.f=35:*.F=35:*.nim=35:*.nimble=35:*.s=35:*.S=35:*.rs=35:*.scpt=35:*.swift=35:*.vala=35:*.vapi=35:*.hs=35:*.lhs=35:*.zig=35:*.v=35:*.pyc=35:*.tf=35:*.tfstate=35:*.tfvars=35:*.css=35:*.less=35:*.sass=35:*.scss=35:*.htm=35:*.html=35:*.jhtm=35:*.mht=35:*.eml=35:*.coffee=35:*.java=35:*.js=35:*.mjs=35:*.jsm=35:*.jsp=35:*.rasi=35:*.php=35:*.twig=35:*.vb=35:*.vba=35:*.vbs=35:*.Dockerfile=35:*.dockerignore=35:*.Makefile=35:*.MANIFEST=35:*.am=35:*.in=35:*.hin=35:*.scan=35:*.m4=35:*.old=35:*.out=35:*.SKIP=35:*.diff=35:*.patch=35:*.tmpl=35:*.j2=35:*PKGBUILD=35:*config=35:*.conf=35:*.service=31:*.@.service=31:*.socket=31:*.swap=31:*.device=31:*.mount=31:*.automount=31:*.target=31:*.path=31:*.timer=31:*.snapshot=31:*.allow=31:*.swp=31:*.swo=31:*.tmp=31:*.pid=31:*.state=31:*.lock=31:*.lockfile=31:*.pacnew=31:*.un=31:*.orig=31:'
          atuin init fish | source

          # Ghostty shell integration for Bash. This must be at the top of your fish!!!
          if set -q GHOSTTY_RESOURCES_DIR
              source "$GHOSTTY_RESOURCES_DIR/shell-integration/fish/vendor_conf.d/ghostty-shell-integration.fish"
          end
        '';
      };

      home.sessionVariables.fish_greeting = "";

      programs.nix-index.enable = true;
    })
  ];
}