{
  lib,
  config,
  ...
}:

lib.mkIf (lib.elem "nvim::cmp" config.machine.pkgs) {
  programs.nvim-lazy.lazyPlugins = [
    # Autocompletion
    {
      dir = vPlug: vPlug.nvim-cmp;
      event = [ "InsertEnter" ];
      dependencies = (
        vPlug: with vPlug; [
          luasnip
        ]
      );
      config = # lua
        ''
          function()
            ${
              lib.optionalString (lib.elem "nvim::lsp" config.machine.pkgs) # lua
                ''
                  local lsp_zero = require('lsp-zero')
                  lsp_zero.extend_cmp()
                ''
            }

            local cmp = require('cmp')
            local cmp_action = lsp_zero.cmp_action()

            cmp.setup({
              ${
                lib.optionalString (lib.elem "nvim::lsp" config.machine.pkgs) # lua
                  ''formatting = lsp_zero.cmp_format(),''
              }
              mapping = cmp.mapping.preset.insert({
                ['<C-Space>'] = cmp.mapping.complete(),
                ['<CR>'] = cmp.mapping.confirm({ select = true }),
                ['<C-u>'] = cmp.mapping.scroll_docs(-4),
                ['<C-d>'] = cmp.mapping.scroll_docs(4),
                ['<C-f>'] = cmp_action.luasnip_jump_forward(),
                ['<C-b>'] = cmp_action.luasnip_jump_backward(),
              })
            })
          end
        '';
    }

    {
      dir = vPlug: vPlug.luasnip;
      lazy = true;
    }
  ];
}