{ config
, pkgs
, ...
}:

{
  programs.bash = {
    enable = true;
    historyControl = [ "erasedups" ];
    historyFile = "\$HOME/.bash_history";
    historyFileSize = 2000;
    historyIgnore = [ "ls" "exit" "kill" ];
    historySize = 1000;

    shellAliases = {
      "..." = "cd -- ../..";
      "...." = "cd -- ../../..";
      grep = "grep --color=auto";
      l = "ls -CF";
      la = "ls -A";
      ll = "ls -alF";
      ls = "ls -F --color=always";
      o = "xdg-open";
      rless = "less -r";
      tmux = "tmux -u";
      tree = "tree -C";
      tb = "nc termbin.com 9999";

      # git aliases
      gb = "git branch -v";
      gc = "git commit --verbose";
      gd = "git diff --minimal";
      gp = "git push";
      gpf = "git push --force-with-lease";
      gl = "git log -p --abbrev-commit --pretty=medium";
      glo = "git log --pretty=oneline --abbrev-commit";
      gst = "git status --short";
      gwls = "git worktree list";
    };

    shellOptions = [
      "histappend"
      "autocd"
      "globstar"
      "checkwinsize"
      "cdspell"
      "dirspell"
      "expand_aliases"
      "dotglob"
      "gnu_errfmt"
      "histreedit"
      "nocasematch"
    ];

    sessionVariables = {
      TERM = "alacritty";
      EDITOR = "nvim";
      MANPAGER = "nvim +Man!";
      GPG_TTY = "\$(tty)";
    };

    initExtra = ''
      export PATH=$PATH:"$HOME/scripts"
      export PROMPT_COMMAND="tmux refresh-client -S &> /dev/null";
      export PS1="\n\001\e[0;36m\002λ\001\e[0m\002 ";
      export PS2="> ";

      # git functions

      function fuzzy_worktree () {
        # 1: function that operates on the fzf result
        # 2: an optional query
        query="''${2:- }"
        out=$(
          set -o pipefail && \
          git worktree list | \
          fzf --min-height=15 \
            --preview-window=up,10 \
            --preview='git log --color=always -n10 --decorate --oneline {2}' \
            --cycle -1 \
            -q "$query" | \
          awk '{print $1}'
        )
        [ $? -eq 0 ] && echo "$out" && $1 $out
      }

      function gwj () {
        fuzzy_worktree __cd $@
      }

      function gwa () {
        git worktree add "$1" && cd "$1"
      }

      function gwrm () {
        fuzzy_worktree __rm $@
      }

      function __cd() {
        cd "$1"
      }

      function __rm() {
        git worktree remove "$1"
      }
    '';

  };
}