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{ config, pkgs, ... }:

let
  inherit (pkgs) stdenv;
  lsOptions = if stdenv.isDarwin then "-p" else "-v --group-directories-first";
  lsIsoDate = if stdenv.isDarwin then "" else "--time-style=long-iso";
in
{
  home.file = {
    ".rm_recycle_home".text = ""; # use trash automatically in home directory
  };
  home.packages = with pkgs; [
    fzf
    ghq
  ] ++ (if stdenv.isDarwin
  then []
  else [
    pkgs.git
  ]);
  xdg.configFile.zsh = {
    recursive = true;
    source = ../zsh/.config/zsh;
  };

  home.file.".zplugin/bin" = {
    recursive = true;
    source = pkgs.fetchFromGitHub {
      owner = "zdharma";
      repo = "zplugin";
      rev = "028b1e1d6d3eae204b499c7f815f4eeeb5051517";
      sha256 = "1ynh323905iia3gwi9qghbywp94x306nna1yqk37frj5g7kg90fa";
    };
    onChange = "${pkgs.zsh}/bin/zsh -c 'zcompile $HOME/.zplugin/bin/zplugin.zsh'";
  };

  programs.zsh = {
    enable = true;

    enableAutosuggestions = true;
    enableCompletion = true;
    defaultKeymap = "emacs";

    dotDir = ".config/zsh";

    history = {
      expireDuplicatesFirst = true;
      extended = true;
      path = ".cache/zsh/history";
      save = 20000;
      size = 10000;
    };

    localVariables = {
      ZSH_AUTOSUGGEST_HIGHLIGHT_STYLE = "fg=7";
    };

    shellAliases = {
      l = "ls ${lsOptions} -Bp";
      l1="ls -1";
      ls="ls ${lsOptions} -hF";
      la="ls ${lsOptions} -hA";
      ll="ls ${lsOptions} ${lsIsoDate} -hl";
      lal="ll -A";
      lla="lal";
      llr="ll -t";

      https = "http --default-scheme https";
      kns = "kubens";
      kx = "kubectx";
      ava = "pnpx ava";
      avt = "pnpx ava --tap";
      avat = "pnpx ava --tap";
      pino = "pino-pretty";
      mocha = "pnpx mocha";
      prettier = "pnpx prettier";
      standard = "pnpx standard";
      tsc = "pnpx tsc";
      tslint = "pnpx tslint";
      tsnode = "pnpx ts-node";

      history = "fc -l $(( $LINES - 2 ))";
      hist-freq-lines = "fc -l -2000 | cut -d' ' -f4- | sort | uniq -c | sort -g | tail -n100 | less";
      hist-freq-commands = "fc -l -2000 | cut -d' ' -f4 | sort | uniq -c | sort -g | tail -n10 | less";
      wprop = "xprop | egrep '^WM_(CLASS|NAME|WINDOW_ROLE|TYPE)'";

      # Enable the following commands to support aliases.
      sudo = "sudo ";
      watch = "watch ";

      g = "rg";

      ga = "git add";
      gi = "git";
      gs = "git st";
      gd = "git diff";
      gf = "git fetch";
      gk = "git push";
      gj = "git pull";
      gl = "git lg";
      gr = "git remote";
      gz = "git stash";
      gzl = "git stash list";
      gzp = "git stash pop";
      gdt = "git difftool";
      grl = "git reflog";
      gri = "git rebase --interactive";
      gsh = "git show";
      gsm = "git submodule";
      gci = "git commit";
      gco = "git checkout";
      gbr = "git br";
      gbrc = "git checkout -b";
      gbrd = "git branch --delete";
      gbrm = "git branch --move";
      gmup = "git mup";
      grup = "git rup";

      hos = "home-manager switch";
      hon = "home-manager news";
      hoh = "home-manager help";

      n = "nix-env";
      ni = "nix-env -iA";
      nq = "nix-env -q";
      ne = "nix-env -e";
      nup = "nix-env -u";
      ngc = "nix-collect-garbage --delete-older-than 14d";
    };

    # move to envExtra after 19.09
    initExtra = ''
      case $OSTYPE in
        darwin*)
          os=darwin
          ;;
        linux-gnu)
          os=linux
          ;;
        freebsd*)
          os=freebsd
          ;;
        *)
          os=unknown
          ;;
      esac

      case $MACHTYPE in
        *64)
          arch=amd64
          ;;
        *)
          arch=386
          ;;
      esac
      if [[ ''${path[(I)$HOME/.local/bin ]} ]]
      then
        path+=($HOME/.local/bin)
      fi

      if [[ ''${path[(I)$HOME/go/bin ]} ]]
      then
        path+=($HOME/go/bin)
      fi

      if [[ $HOST =~ satoshi ]]
      then
        EMAIL=alan@satoshipay.io
      else
        EMAIL=alan@alanpearce.eu
      fi

      typeset -T GHQ_ROOT ghq_root
      export GHQ_ROOT="$HOME/projects:$HOME/go/src:$HOME/quicklisp/local-projects"

      function hist-freq-subcommands () {
        fc -l -m "$1*" -2000 | cut -d' ' -f4- | sort | uniq -c | sort -g | tail -n100 | less
      }

    '' + builtins.readFile ../zsh/.config/zsh/.zshrc;
  };
}