nixos/home/modules/neovim.nix

{ pkgs, lib, config, ... }:

let
  cfg = config.snowhawk.neovim;
in
{
  options.snowhawk.neovim = {
    enable = lib.mkEnableOption "neovim";

    package = lib.mkPackageOption pkgs "neovim" {
      default = [ "neovim-unwrapped" ];
    };

    # This should be close to identical to above
    #
    # package = lib.mkOption {
    #   type = lib.types.package;
    #   default = pkgs.neovim-unwrapped;
    #   defaultText = lib.literalExpression "pkgs.neovim-unwrapped";
    #   description = "The package to use for the neovim binary.";
    # };
  };
  config = lib.mkIf cfg.enable {
    # Set nvim as manpager and default editor
    home.sessionVariables = {
      EDITOR = "nvim";
      MANPAGER = "nvim +Man!";
    };

    programs.neovim =
      let
        nvim-treesitter = pkgs.vimPlugins.nvim-treesitter;
        treesitterWithGrammars = nvim-treesitter.withPlugins (_: nvim-treesitter.allGrammars);

        treesitter-parsers = pkgs.symlinkJoin {
          name = "treesitter-parsers";
          paths = treesitterWithGrammars.dependencies;
        };
      in
      {
        enable = true;
        coc.enable = false;
        package = cfg.package;
        withNodeJs = true;
        withPython3 = true;
        withRuby = true;

        # TODO: nvim config nix import
        extraLuaConfig = ''
          -- bootstrap lazy.nvim, LazyVim and your plugins
          require("config.lazy")

          vim.g.editorconfig = true

          vim.opt.runtimepath:append ("${treesitter-parsers}")
        '';

        plugins = [
          treesitterWithGrammars
        ];

        extraPackages = with pkgs; [
          nil
          nixpkgs-fmt
          rustup
          lua-language-server
          fzf
        ];
      };
  };
}