{ config, lib, pkgs, inputs, ... }:
with lib; {
  config = mkMerge [
    (mkIf config.nathan.programs.util.fish {
      #########################
      ## Fish Configuration
      #########################
      programs.fish = {
        enable = true;
        # Setup our aliases
        shellAliases = {
          ls = "exa --icons";
          la = "exa --icons -a";
          lg = "exa --icons --git";
          cat = "bat";
          dig = "dog";
          df = "duf";
          idris2 = "rlwrap -s 1000 idris2 --no-banner";
        };
        # Custom configuration
        interactiveShellInit = ''
          # Setup any-nix-shell
          any-nix-shell fish --info-right | source
          # Load logger function
          source ~/.config/fish/functions/cmdlogger.fish
          # Load up vi keybindings
          fish_vi_key_bindings
        '';
        functions = {
          # Setup command logging to ~/.logs
          cmdlogger = {
            onEvent = "fish_preexec";
            body = ''
              mkdir -p ~/.logs
              echo (date -u +"%Y-%m-%dT%H:%M:%SZ")" "(echo %self)" "(pwd)": "$argv >> ~/.logs/(hostname)-(date "+%Y-%m-%d").log
            '';
          };
        };
      };
      programs.starship = {
        enable = true;
        settings = {
          directory = {
            truncation_length = 3;
            fish_style_pwd_dir_length = 1;
          };
          git_commit = {
            commit_hash_length = 6;
            only_detached = false;
          };
          package = { symbol = ""; };
          time = {
            disabled = false;
            format = "[$time]($style)";
            time_format = "%I:%M %p";
          };
        };
      };
      programs.bat = {
        enable = true;
        config = {
          theme = "zenburn";
          style = "header,rule,snip,changes";
        };
      };
      #########################
      ## Readline + fzf and other quality of life stuff
      #########################
      programs.readline = {
        enable = true;
        extraConfig = ''
          set editing-mode vi
          set show-all-if-ambiguous on
          set editing-mode vi

          set keymap vi-command
          # these are for vi-command mode
          "\e[A": history-search-backward
          "\e[B": history-search-forward
          j: history-search-forward
          k: history-search-backward
          set keymap vi-insert
          # these are for vi-insert mode
          "\e[A": history-search-backward
          "\e[B": history-search-forward
        '';
      };
      programs.fzf = { enable = true; };
    })
  ];
}