{
  programs.nixvim = {
    opts.completeopt = ["menu" "menuone" "noselect"];

    plugins = {
      luasnip.enable = true;
      cmp-nvim-lsp.enable = true;
      cmp-nvim-lsp-signature-help.enable = true;

      lspkind = {
        enable = true;

        cmp = {
          enable = true;
          menu = {
            nvim_lsp = "[LSP]";
            nvim_lua = "[api]";
            path = "[path]";
            luasnip = "[snip]";
            buffer = "[buffer]";
          };
        };

        extraOptions = {
          mode = "symbol";
        };
      };

      cmp = {
        enable = true;
        autoEnableSources = true;

        settings = {
          snippet.expand = "function(args) require('luasnip').lsp_expand(args.body) end";

          mapping = {
            "<C-p>" = "cmp.mapping.select_prev_item()";
            "<C-n>" = "cmp.mapping.select_next_item()";
            "<C-b>" = "cmp.mapping.scroll_docs(-4)";
            "<C-f>" = "cmp.mapping.scroll_docs(4)";
            "<C-e>" = "cmp.mapping.close()";
            "<C-y>" = "cmp.mapping.confirm({ select = true })";
            "<CR>" = "cmp.mapping.confirm({ select = true })";
            "<C-Space>" = "cmp.mapping.complete()";
            "<C-l>" = ''cmp.mapping(function()
              if luasnip.expand_or_locally_jumpable() then
                luasnip.expand_or_jump()
              end
            end, {'i', 's'})'';
            "<C-h>" = ''cmp.mapping(function()
              if luasnip.locally_jumpable(-1) then
                luasnip.jump(-1)
              end
            end, {'i', 's'})'';
          };

          sources = [
            { name = "nvim_lsp"; }
            { name = "luasnip"; }
            { name = "path"; }
          ];
        };
      };
    };
  };
}