{ ... }: {
  programs.kitty.shellIntegration.enableFishIntegration = true;
  programs.starship.enableFishIntegration = true;

  programs.fish = {
    enable = true;
    interactiveShellInit = ''
      set EDITOR vim
      ssh-add > /dev/null &> /dev/null
      if set -q TMUX 
      else 
        if set -q DISABLE_TMUX
        else
          tmux attach || exec tmux new-session && exit
        end
      end
    '';
      
    functions = {
      __fish_command_not_found_handler = {
        body = "__fish_default_command_not_found_handler $argv[1]";
        onEvent = "fish_command_not_found";
      };
      update_secrets = ''
        pushd /etc/nixos/git 
        nix develop -c \
        find secrets -name "*.yaml" -exec sops updatekeys {} \;
      '';
      restart-docker = ''
        pushd /Storage/Data/docker-compose/sysctl.io/
        docker stop $argv
        docker rm $argv
        git pull
        docker compose up -d $argv
        popd
      '';
      # Build ISOs/SD Card Images
      nixos-build-all-images-verbose = ''
        echo "Building Linode image..."
        nixos-build-linode-img-verbose
        echo "Building Raspberry Pi image..."
        nixos-build-pi-img-verbose
        echo "Building ISO Console image..."
        nixos-build-console-verbose
        echo "Building ISO Desktop image..."
        nixos-build-desktop-verbose
        ls -lah ~/ | grep nixos
      '';
      nixos-build-all-images = ''
        echo "Building Linode image..."
        nixos-build-linode-img
        echo "Building Raspberry Pi image..."
        nixos-build-pi-img
        echo "Building ISO Console image..."
        nixos-build-console
        echo "Building ISO Desktop image..."
        nixos-build-desktop
        ls -lah ~/ | grep nixos
      '';
      nixos-build-pi-img-verbose = ''
        pushd /etc/nixos/git 
        git pull 
        nix build .#imageConfigurations.nixos-rpi4-img --show-trace --verbose
        cp result/sd-image/nixos-sd-image* ~/.
        rm -f result
        popd
      '';
      nixos-build-linode-img-verbose = ''
        pushd /etc/nixos/git 
        git pull 
        nix build .#imageConfigurations.nixos-linode-img --show-trace --verbose
        cp result/nixos.img.gz ~/nixos-linode-`ddate`-`git rev-parse HEAD | cut -b 1-7`.img.gz
        rm -f result
        popd
      '';
      nixos-build-console-verbose = ''
        pushd /etc/nixos/git
        git pull 
        nix build .#imageConfigurations.nixos-iso-console --show-trace --verbose
        cp result/iso/nixos.iso ~/nixos-console-`ddate`-`git rev-parse HEAD | cut -b 1-7`.iso
        rm -f result
        popd
      '';
      nixos-build-desktop-verbose = ''
        pushd /etc/nixos/git
        git pull 
        nix build .#imageConfigurations.nixos-iso-desktop --show-trace --verbose
        cp result/iso/nixos.iso ~/nixos-desktop-`ddate`-`git rev-parse HEAD | cut -b 1-7`.iso
        rm -f result
        popd
      '';
      nixos-build-pi-img = ''
        pushd /etc/nixos/git 
        git pull 
        nix build .#imageConfigurations.nixos-rpi4-img
        cp result/sd-image/nixos-sd-image* ~/.
        rm -f result
        popd
      '';
      nixos-build-linode-img = ''
        pushd /etc/nixos/git 
        git pull 
        nix build .#imageConfigurations.nixos-linode-img
        cp result/nixos.img.gz ~/nixos-linode-`ddate`-`git rev-parse HEAD | cut -b 1-7`.img.gz
        rm -f result
        popd
      '';
      nixos-build-console = ''
        pushd /etc/nixos/git
        git pull 
        nix build .#imageConfigurations.nixos-iso-console
        cp result/iso/nixos.iso ~/nixos-console-`ddate`-`git rev-parse HEAD | cut -b 1-7`.iso
        rm -f result
        popd
      '';
      nixos-build-desktop = ''
        pushd /etc/nixos/git
        git pull 
        nix build .#imageConfigurations.nixos-iso-desktop
        cp result/iso/nixos.iso ~/nixos-desktop-`ddate`-`git rev-parse HEAD | cut -b 1-7`.iso
        rm -f result
        popd
      '';

      # NixOS Related
      nix-clean-all = ''
        echo "Optimizing the nix store..."
        sudo nix-store --optimize 
        echo "nix-store:  Collecting Garbage..."
        sudo nix-store --gc
        echo "Collecting garbage..."
        sudo nix-collect-garbage -d
      '';
    };
 
    shellAliases = {
      prime-select = "nvidia-offload";
      screenshot = ''grim -g "$(slurp)" | wl-copy -t image/png'';

      # Don't use X to open emacs
      emacs  = "emacs -nw";

      # docker
      d   = "docker";
      dc  = "docker compose";
      de  = "docker exec -it";
      dl  = "docker logs -f ";
      dps = ''docker ps --format "table [{{.ID}}] {{.Names}}\t{{.Status}}\t{{.State}}\t{{.Label \"type\"}}"'';

      # fish / system
      ls  = "exa --icons -F --group-directories-first --git";
      cp  = "rsync -avr";
      ll  = "exa -lah --icons -F --group-directories-first --git";
      rm  = "rm -i";
      df  = "duf";
      cat = "bat";
      
      # git
      g   = "git";
      ga  = "git add -A";
      gb  = "git branch";
      gc  = "git commit";
      gca = "git commit -a";
      gco = "git checkout";
      gd  = "git diff";
      gp  = "git pull --prune";
      gpu = "git push origin HEAD";
      gs  = "git status -sb";

      # time / date
      tdate = "date +%Y.%m.%d..%H.%M";
      ttime = "date +%H.%M";
      ddate = "date +%Y.%m.%d";
      dday  = "date +%A";

      # nixos-rebuild
      nr  = "sudo nixos-rebuild";
      nrs = "sudo nixos-rebuild --upgrade switch";
      nrt = "sudo nixos-rebuild test";
      nrb = "sudo nixos-rebuild build";

      # Rebuild everything
      rebuild-home = "git -C /etc/nixos/git pull && home-manager switch -b backup --flake /etc/nixos/git";
      rebuild-host = "git -C /etc/nixos/git pull && sudo nixos-rebuild switch --flake /etc/nixos/git";
      rebuild-all  = "rebuild-host && rebuild-home";
      rebuild-host-remote = "git -C /etc/nixos/git pull && sudo nixos-rebuild switch --flake /etc/nixos/git -j0";
      rebuild-home-remote = "git -C /etc/nixos/git pull && home-manager switch -b backup --flake /etc/nixos/git --max-jobs 0";
      rebuild-all-remote  = "rebuild-host-remote && rebuild-home-remote";
    };
  };
}