{ lib, nixosConfig, pkgs, ... }:
let
  solarized = (import ../common.nix).colorschemes.solarized;

  dircolors-solarized = pkgs.fetchFromGitHub {
    owner = "seebi";
    repo = "dircolors-solarized";
    rev = "65d4d595ceca96166139862131a006fa3079e00a";
    sha256 = "1nl5rs24gi7zqg7nqsbf9fa94yggwzqf3n3imxgfywl8jny3cj1q";

    meta.license = lib.licenses.mit;
  };

  # automatically set color scheme based on sun with dynamic-colors
  dcauto =
    let
      latitude = (toString nixosConfig.location.latitude) + (if nixosConfig.location.latitude > 0 then "N" else "S");
      longitude = (toString nixosConfig.location.longitude) + (if nixosConfig.location.longitude > 0 then "E" else "W");
    in
    "${pkgs.sunwait}/bin/sunwait poll ${latitude} ${longitude} | grep -qE '^DAY$' && dynamic-colors switch solarized-light || dynamic-colors switch solarized-dark";
in
{
  programs = {
    fzf = {
      enable = true;
      changeDirWidgetCommand = "fd --color always --type d";
      changeDirWidgetOptions = [ "--preview 'exa --tree --color=always -L 4 {}'" ];
      defaultCommand = "fd --color always";
      defaultOptions = [
        "--ansi"
        "--color=${lib.concatStringsSep
          ","
          (lib.mapAttrsToList
            (n: v: "${n}:${v}")
            (with solarized; {
              "bg" = base03;
              "bg+" = base02;
              "fg" = base0;
              "fg+" = base2;
              "header" = blue;
              "hl" = blue;
              "hl+" = blue;
              "info" = yellow;
              "marker" = cyan;
              "pointer" = cyan;
              "prompt" = yellow;
              "spinner" = cyan;
            }))}"
      ];
      fileWidgetCommand = "fd --color always --type f";
      fileWidgetOptions = [ "--preview 'head -n 100 {}'" ];
    };
    direnv = {
      enable = true;
      nix-direnv = {
        enable = true;
        enableFlakes = true;
      };
    };
    nix-index.enable = true;
    starship = {
      enable = true;
      settings = {
        add_newline = false;
      };
    };
    zsh = {
      enable = true;
      history = {
        save = 100000;
        size = 100000;
      };
      plugins = [
        {
          name = "zsh-nix-shell";
          file = "nix-shell.plugin.zsh";
          src = "${pkgs.zsh-nix-shell}/share/zsh-nix-shell";
        }
      ];
      shellAliases = {
        cp = "cp --reflink=auto"; # TODO: remove with coreutils > 8.32
        dcauto = dcauto;
        dcsd = "dynamic-colors switch solarized-dark";
        dcsl = "dynamic-colors switch solarized-light";
        exa = "exa --git --binary";
        ip = "ip --color=auto";
        ipy = "ipython3";
        l = "exa -l";
        la = "exa -la";
        ll = "exa -l";
        ls = "exa";
        userctl = "systemctl --user";
        vim = "nvim";
        vimdiff = "nvim -d";
      };
      initExtraFirst = ''
        # automatic color scheme
        ${dcauto}
      '';
      initExtra = lib.mkMerge [
        (lib.mkBefore ''
          prompt off # collides with starship
        '')
        (lib.mkAfter /* sh */ ''
          eval $(${pkgs.coreutils}/bin/dircolors -b ${dircolors-solarized}/dircolors.ansi-universal)

          # no sad smiley (starship shows exit status)
          zstyle ':prompt:grml:right:setup' items

          # do not glob # (conflicts with nix flakes)
          disable -p '#'

          # ^X^E to edit current command
          autoload -z edit-command-line
          zle -N edit-command-line
          bindkey "^X^E" edit-command-line

          # syntax highlighting
          source ${pkgs.zsh-fast-syntax-highlighting}/share/zsh/site-functions/fast-syntax-highlighting.plugin.zsh
          FAST_HIGHLIGHT_STYLES[comment]=fg=010

          source ${./pass-wrappers.zsh}
        '')
      ];
    };
  };
}