neovim/neovim.nix

{ enableDevIcons ? false
, enableTabby ? false
, enableOrgMode ? false
, viAlias ? false
, vimAlias ? false
, extraConfig ? ""
, extraLuaConfig ? ""
, extraPlugins ? [ ]
, theme ? { }
, plugins ? { }
, wrapNeovim
, neovim-unwrapped
, tree-sitter
, neovimPlugins
, lib
, nix2lua
, substituteAll
, callPackage
, ...
}:

let
  plugins' = plugins;

  mergeAttrs = v:
    if builtins.isList v then
      lib.foldl lib.recursiveUpdate { } (map mergeAttrs v)
    else if v ? _type then
      if v._type == "merge" then mergeAttrs v.contents
      else if v._type == "if" then lib.optionalAttrs v.condition v.content
      else builtins.abort "Unsupported attribute"
    else v;
in
let
  plugins = mergeAttrs plugins';
  inherit (builtins) catAttrs readFile;

  extLib = import ./lib.nix { inherit lib substituteAll; } // {
    inherit (nix2lua.lib) toLua LuaNil;
  };


  pluginParams = neovimPlugins // {
    inherit tree-sitter plugins enableDevIcons enableTabby enableOrgMode;
    themeCfg = theme;
    lib = extLib;
  };

  callPlugin = plugin: callPackage plugin pluginParams;
  callPlugins = list: map callPlugin list;

  pluginsSettings = callPlugins [
    ./plugins/config
    ./plugins/syntax
    ./plugins/git
    ./plugins/explorer
    ./plugins/theme
    ./plugins/lsp
    ./plugins/formatter
    ./plugins/ux
  ];

  basePlugins = [ neovimPlugins.plenary-nvim ];
  customPlugins = catAttrs "plugins" pluginsSettings;
  allPlugins = basePlugins ++ customPlugins ++ extraPlugins;

  basicConfigs = map readFile [ ./config/basic.lua ];
  pluginConfigs = catAttrs "luaConfig" pluginsSettings;
  allConfigs = basicConfigs ++ pluginConfigs ++ [ extraLuaConfig ];

  mkLuaHeredoc = content: ''
    lua << EOF
    ${content}
    EOF
  '';

  mkLuaRc = lib.concatMapStrings mkLuaHeredoc;
in
(wrapNeovim neovim-unwrapped {
  inherit viAlias;
  inherit vimAlias;

  withPython3 = false;
  withNodeJs = false;
  withRuby = false;

  configure = {
    customRC = extraConfig + mkLuaRc allConfigs;

    packages.myVimPackages = { start = allPlugins; };
  };
}).overrideAttrs (oldAttrs: {
  passthru = oldAttrs.passthru // {
    nix2lua = nix2lua.lib;
    inherit plugins allConfigs;
  };
})