{ config, pkgs, ... }:

let
  cargo2nix = (import (builtins.fetchGit {
    url = https://github.com/tenx-tech/cargo2nix;
    ref = "master";
  }) {}).package;
in {
  nixpkgs.config.allowUnfree = true;
  news.display = "silent";
  home = {
    username = "lyla";
    homeDirectory = "/home/lyla";
    stateVersion = "20.09";
    sessionVariables = {
      EDITOR = "kak";
    };
    extraOutputsToInstall = [ "doc" ];
    packages = with pkgs; [
      # CLI tools
      neofetch mosh
      exa fd ripgrep
      pandoc signify
      # editor
      kak-lsp parinfer-rust rnix-lsp
      # nix tools
      nixfmt niv cargo2nix cachix
      # gui
      zoom-us libreoffice
      transmission-gtk luakit
    ];
    file = {
      ".tmux.conf".source = ~/etc/tmux.conf;
    };
  };

  programs = {
    home-manager.enable = true;
    firefox = {
      enable = true;
    };
    fish = {
      enable = true;
      shellAliases = {
        "ls" = "exa -FsName --group-directories-first";
        "ll" = "exa -FlsName --group-directories-first";
        "l" = "exa -FlasName --group-directories-first";
        "la" = "exa -FlasName --group-directories-first";
      };
    };
    fzf.enable = true;
    jq.enable = true;
    direnv.enable = true;
    git = {
      enable = true;
      package = pkgs.gitAndTools.gitFull;
      userName = "Lyla Bravo";
      userEmail = "arqv@protonmail.com";
      delta.enable = true;
    };
    kakoune = let
      lspFiletypes = [ "zig" "rust" "c" "cpp" "nix" ];
      tabSettings = [
        { filetype = [ "zig" "rust" "nix" ];
          tab = "expandtab"; }
        { filetype = [ "c" "cpp" ];
          tab = "smarttab"; }
      ];
    in {
      enable = true;
      plugins = with pkgs.kakounePlugins; [
        kak-fzf
        parinfer-rust
        kakboard
        joule
        smarttab
      ];
      config = {
        tabStop = 4;
        numberLines = {
          enable = true;
          highlightCursor = true;
        };
        wrapLines = {
          enable = true;
          indent = true;
          word = true;
        };
        ui = {
          enableMouse = true;
          assistant = "none";
          setTitle = true;
        };
        keyMappings = [{
          docstring = "fzf mode";
          mode = "user";
          effect = ": fzf-mode<ret>";
          key = "d";
        }];
        hooks = [
          {
            name = "ModuleLoaded";
            option = "smarttab";
            commands = ''
              set-option global softtabstop 4
              set-option global smarttab_expandtab_mode_name 'exp'
              set-option global smarttab_noexpandtab_mode_name 'noexp'
              set-option global smarttab_smarttab_mode_name 'smart'
            '';
          }
          {
            name = "WinCreate";
            option = ".*";
            commands = "kakboard-enable";
          }
          {
            name = "WinSetOption";
            option = "filetype=(lisp|scheme)";
            commands = "parinfer-enable-window -smart";
          }
        ] ++ pkgs.lib.lists.forEach tabSettings (v: {
          name = "WinSetOption";
          commands = "${v.tab}";
          option = if builtins.isList v.filetype then
            "filetype=(${builtins.concatStringsSep "|" v.filetype})"
          else
            "filetype=${v.filetype}";
        });
      };
      extraConfig = ''
        add-highlighter global/ regex \b(TODO|FIXME|XXX|NOTE)\b 0:default+rb
        eval %sh{kak-lsp --kakoune -s $kak_session}
        hook global WinSetOption filetype=(${builtins.concatStringsSep "|" lspFiletypes}) %{
            map buffer user l ': enter-user-mode lsp<ret>' -docstring 'LSP mode'
            lsp-enable-window
        }
      '';
    };
  };

  services = {
    lorri.enable = true;
  };

  xdg = {
    configFile = {
      "kak-lsp/kak-lsp.toml".source = ~/etc/kak-lsp.toml;
      "luakit/userconf.lua".source = ~/etc/luakit/userconf.lua;
    };
    userDirs = {
      enable = true;
      desktop = "$HOME/usr";
      documents = "$HOME/usr/doc";
      download = "$HOME/usr/dl";
      music = "$HOME/usr/mus";
      pictures = "$HOME/usr/vis";
      videos = "$HOME/usr/vis";
      publicShare = "$HOME/.etc";
      templates = "$HOME/.etc";
    };
  };
}