{ pkgs, lib, config, ... }:
{
  config = {
    programs.nixvim = {
      extraConfigLua = ''
        require'lsp_signature'.on_attach({
            hint_enable = false,
        })
      '';
      extraPlugins = with pkgs.vimPlugins; [
        # Language server
        lsp_signature-nvim # Show argument definition when typing a function
      ];
      keymaps = [
        # barbar
        { key = "<C-H>"; action = "<Cmd>BufferPrevious<CR>"; options = { silent = true; }; }
        { key = "<C-L>"; action = "<Cmd>BufferNext<CR>"; options = { silent = true; }; }
        # TODO https://www.reddit.com/r/neovim/comments/mbj8m5/how_to_setup_ctrlshiftkey_mappings_in_neovim_and/
        { key = "<Space><C-H>"; action = "<Cmd>BufferMovePrevious<CR>"; options = { silent = true; }; }
        { key = "<Space><C-L>"; action = "<Cmd>BufferMoveNext<CR>"; options = { silent = true; }; }
        # TODO gotos don't work
        { key = "<C-1>"; action = "<Cmd>BufferGoto 1<CR>"; options = { silent = true; }; }
        { key = "<C-2>"; action = "<Cmd>BufferGoto 2<CR>"; options = { silent = true; }; }
        { key = "<C-3>"; action = "<Cmd>BufferGoto 3<CR>"; options = { silent = true; }; }
        { key = "<C-4>"; action = "<Cmd>BufferGoto 4<CR>"; options = { silent = true; }; }
        { key = "<C-5>"; action = "<Cmd>BufferGoto 5<CR>"; options = { silent = true; }; }
        { key = "<C-6>"; action = "<Cmd>BufferGoto 6<CR>"; options = { silent = true; }; }
        { key = "<C-7>"; action = "<Cmd>BufferGoto 7<CR>"; options = { silent = true; }; }
        { key = "<C-8>"; action = "<Cmd>BufferGoto 8<CR>"; options = { silent = true; }; }
        { key = "<C-9>"; action = "<Cmd>BufferGoto 9<CR>"; options = { silent = true; }; }
        { key = "<C-0>"; action = "<Cmd>BufferLast<CR>"; options = { silent = true; }; }
        { key = "gb"; action = "<Cmd>BufferPick<CR>"; options = { silent = true; }; }
        # TODO Other useful options?
      ];
      plugins = {
        # Language Server
        lsp = {
          enable = true;
          keymaps = {
            silent = true;
            diagnostic = {
              "<Space>e" = "open_float";
              "[e" = "goto_prev";
              "]e" = "goto_next";
            };
            lspBuf = {
              "gD" = "declaration";
              "K" = "hover";
              "gi" = "implementation";
              "<C-S-k>" = "signature_help";
              "<space>wa" = "add_workspace_folder";
              "<space>wr" = "remove_workspace_folder";
              # "<space>wl" = "list_workspace_folder";
              # TODO Full thing was function() print(vim.inspect(vim.lsp.buf.list_workspace_folder())) end but not sure I'm ever really using this
              # Also makes nvim crash like this, so uncommented
              "<space>D" = "type_definition";
              "<space>rn" = "rename";
              "<space>f" = "format";
              # TODO Full thing was function() vim.lsp.buf.format { async = true } end, so async while this isn't
              # Maybe replace this with lsp-format?
            };
          };
        };
        nvim-lightbulb = {
          # Shows a lightbulb whenever a codeAction is available under the cursor
          enable = true;
          autocmd.enabled = true;
        };
      };
    };
  };
}