# Neovim configuration (basic setup - can be extended)
{
  config,
  lib,
  pkgs,
  ...
}: {
  programs.neovim = {
    enable = true;
    defaultEditor = true;
    viAlias = true;
    vimAlias = true;

    extraPackages = with pkgs; [
      # LSP servers
      nil  # Nix
      lua-language-server
      nodePackages.typescript-language-server
      nodePackages.vscode-langservers-extracted  # HTML, CSS, JSON
      rust-analyzer
      zls  # Zig
      gopls
      pyright
      marksman  # Markdown
      taplo  # TOML
      yaml-language-server
      ltex-ls  # Grammar

      # Formatters
      nixfmt
      stylua
      prettierd
      black
      rustfmt

      # Tools
      ripgrep
      fd
      tree-sitter
      wl-clipboard
    ];

    plugins = with pkgs.vimPlugins; [
      # Core
      plenary-nvim
      nvim-web-devicons

      # Fuzzy finder
      telescope-nvim

      # Treesitter
      nvim-treesitter.withAllGrammars

      # LSP
      nvim-lspconfig

      # Completion
      nvim-cmp
      cmp-nvim-lsp
      cmp-buffer
      cmp-path
      luasnip
      cmp_luasnip

      # UI
      lualine-nvim
      bufferline-nvim
      indent-blankline-nvim

      # Git
      gitsigns-nvim

      # File tree
      nvim-tree-lua

      # Theme (can be customized to match nomarchy theme)
      tokyonight-nvim
    ];

    extraLuaConfig = /* backwards compat */ ''
      -- Basic settings
      vim.opt.number = true
      vim.opt.relativenumber = true
      vim.opt.expandtab = true
      vim.opt.tabstop = 2
      vim.opt.shiftwidth = 2
      vim.opt.smartindent = true
      vim.opt.termguicolors = true
      vim.opt.signcolumn = "yes"
      vim.opt.updatetime = 250
      vim.opt.clipboard = "unnamedplus"

      -- Leader key
      vim.g.mapleader = " "

      -- Theme
      vim.cmd.colorscheme("tokyonight-night")

      -- Telescope keymaps
      local telescope = require("telescope.builtin")
      vim.keymap.set("n", "<leader>ff", telescope.find_files, { desc = "Find files" })
      vim.keymap.set("n", "<leader>fg", telescope.live_grep, { desc = "Live grep" })
      vim.keymap.set("n", "<leader>fb", telescope.buffers, { desc = "Buffers" })

      -- LSP setup
      local lspconfig = require("lspconfig")
      local capabilities = require("cmp_nvim_lsp").default_capabilities()

      local servers = {
        "nil_ls", "lua_ls", "ts_ls", "html", "cssls", "jsonls",
        "rust_analyzer", "zls", "gopls", "pyright", "marksman",
        "taplo", "yamlls"
      }

      for _, server in ipairs(servers) do
        lspconfig[server].setup({ capabilities = capabilities })
      end

      -- Completion
      local cmp = require("cmp")
      cmp.setup({
        snippet = {
          expand = function(args)
            require("luasnip").lsp_expand(args.body)
          end,
        },
        mapping = cmp.mapping.preset.insert({
          ["<C-b>"] = cmp.mapping.scroll_docs(-4),
          ["<C-f>"] = cmp.mapping.scroll_docs(4),
          ["<C-Space>"] = cmp.mapping.complete(),
          ["<CR>"] = cmp.mapping.confirm({ select = true }),
        }),
        sources = cmp.config.sources({
          { name = "nvim_lsp" },
          { name = "luasnip" },
        }, {
          { name = "buffer" },
          { name = "path" },
        }),
      })

      -- File tree
      require("nvim-tree").setup()
      vim.keymap.set("n", "<leader>e", ":NvimTreeToggle<CR>", { silent = true })

      -- Git signs
      require("gitsigns").setup()

      -- Status line
      require("lualine").setup()

      -- Buffer line
      require("bufferline").setup()
    '';
  };
}