{ pkgs, ... }:

{
  programs.neovim = {
    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;
    plugins = with pkgs.vimPlugins; [
      #{
      #  plugin = tokyonight-nvim;
      #  config = ''
      #    require("tokyonight").setup({
      #      style = "night",
      #      on_highlights = function(h1)
      #          h1.LineNrAbove = {
      #              fg = "#6ab8ff",
      #          }
      #          h1.LineNrBelow = {
      #              fg = "#ff6188"
      #          }
      #      end,
      #      on_colors = function() end,
      #    })
      #    vim.cmd.colorscheme("tokyonight")
      #  '';
      #}
      {
        plugin = (nvim-treesitter.withPlugins (p: [
          p.c
          p.lua
          p.java
          p.vim
          p.vimdoc
          p.javascript
          p.query
          p.elixir
          p.html
        ]));
        config = ''
          require("nvim-treesitter").setup({
            ensure_installed = {
              "c",
              "lua",
              "java",
              "vim",
              "vimdoc",
              "javascript",
              "query",
              "elixir",
              "html"
            },
            sync_install = false,
            highlight = { enable = true },
            indent = { enable = true },
          })
        '';
      }
      #{
      #  plugin = bufferline-nvim;
      #  config = ''
      #    require("bufferline").setup({
      #      options = {
      #        mode = "tabs",
      #      },
      #    })
      #  '';
      #}
      {
        plugin = vim-suda;
        config = ''
          vim.g["suda_smart_edit"] = 1
        '';
      }
    ];
    initLua = ''
      -- use `:h <option>` to figure out meaning
      vim.opt.clipboard = "unnamedplus" -- use system keyboard
      vim.opt.completeopt = { "menu", "noinsert", "noselect" }
      vim.opt.mouse = "a" -- supposedly to allow the mouse to be used in nvim

      -- Tab settings
      vim.opt.tabstop = 2 -- set number of visual spaces per \t (Tab)
      vim.opt.softtabstop = 2 -- set number of space in tab when editing
      vim.opt.shiftwidth = 2 -- insert 2 spaces on a tab
      vim.opt.expandtab = false -- for python apparently, treat tabs as spaces

      -- UI config
      vim.opt.number = true -- show the absolute number
      vim.opt.relativenumber = true -- to add numbers to each line on the left side (line numbers?)
      vim.opt.cursorline = true -- highlights the line where the cursor is
      vim.opt.splitbelow = true -- sets new splits to be opened below
      vim.opt.splitright = true -- sets new splits to be opened to the right
      vim.opt.termguicolors = true -- enables 24-bit RGB color in Terminal UI
      -- vim.opt.showmode = false		-- removes the --INSERT-- like UI at the bottom

      -- Search settings
      vim.opt.incsearch = true -- search as characters are entered
      --vim.opt.hlsearch = false		-- do not highlight matches
      vim.opt.ignorecase = true -- ignore cases by default
      vim.opt.smartcase = true -- when capitalized, be case sensitive

    '';
  };
}