{ nix2lua, pkgs, ... }:

let
  defaultGrammars = g: [
    # g.agda
    # g.arduino
    # g.astro
    g.awk
    g.bash
    # g.beancount
    # g.bibtex
    # g.blueprint
    # g.c
    # g.c_sharp
    # g.clojure
    g.cmake
    g.comment
    # g.commonlisp
    # g.cooklang
    # g.cpp
    # g.css
    # g.cuda
    # g.d
    # g.d2
    # g.dart
    # g.devicetree
    g.diff
    # g.dockerfile
    # g.dot
    # g.eex
    # g.elixir
    # g.elm
    # g.elvish
    g.embedded_template
    # g.erlang
    # g.fennel
    # g.fish
    # g.foam
    # g.fortran
    # g.fusion
    # g.gdscript
    g.git_rebase
    g.gitattributes
    g.gitignore
    # g.gleam
    # g.glimmer
    # g.glsl
    # g.go
    # g.godot_resource
    # g.gomod
    # g.gowork
    # g.graphql
    # g.hack
    # g.haskell
    # g.hcl
    # g.heex
    # g.hjson
    # g.hlsl
    # g.hocon
    # g.html
    g.http
    # g.java
    # g.javascript
    g.jq
    g.jsdoc
    g.json
    # g.json5
    # g.jsonc
    # g.jsonnet
    # g.julia
    # g.kotlin
    # g.lalrpop
    # g.latex
    # g.ledger
    # g.llvm
    # g.lua
    # g.m68k
    g.make
    g.markdown
    g.markdown_inline
    # g.menhir
    # g.meson
    # g.nickel
    # g.ninja
    g.nix
    # g.norg
    # g.ocaml
    # g.ocaml_interface
    # g.ocamllex
    # g.org
    # g.pascal
    # g.perl
    # g.php
    # g.phpdoc
    # g.pioasm
    # g.prisma
    # g.proto
    # g.pug
    # g.python
    # g.ql
    # g.qmljs
    g.query
    # g.r
    # g.racket
    # g.rasi
    g.regex
    # g.rego
    # g.rnoweb
    # g.rst
    # g.ruby
    # g.rust
    # g.scala
    g.scheme
    # g.scss
    # g.slint
    # g.solidity
    # g.sparql
    # g.sql
    # g.supercollider
    # g.surface
    # g.svelte
    # g.swift
    # g.sxhkdrc
    # g.teal
    # g.tiger
    # g.tlaplus
    g.todotxt
    # g.toml
    # g.tsx
    # g.turtle
    # g.twig
    # g.typescript
    # g.v
    # g.vala
    # g.verilog
    # g.vhs
    # g.vim
    # g.vue
    # g.wgsl
    g.yaml
    # g.yang
    # g.zig
  ];
in

{ allGrammars ? false
, withGrammars ? defaultGrammars
}:

with nix2lua.lib;


let
  extraGrammars = {
    tree-sitter-d2 = {
      language = "d2";
      version = "2023-06-21";
      src = pkgs.fetchFromGitea {
        domain = "git.pleshevski.ru";
        owner = "pleshevskiy";
        repo = "tree-sitter-d2";
        rev = "8a9d50043d58eedf1e375b0e2059e43efd856902";
        sha256 = "sha256-ZhVjxo7Xi7DaHN3qabUcykflY74bUqPcOA410fA3zRk=";
      };
    };
  };

  tree-sitter = pkgs.tree-sitter.override { inherit extraGrammars; };
  customGrammars = tree-sitter.withPlugins (g: [ g.tree-sitter-d2 ]);

  nvimTreesitterWithGrammars =
    if allGrammars then pkgs.vimPlugins.nvim-treesitter.withAllGrammars
    else pkgs.vimPlugins.nvim-treesitter.withPlugins withGrammars;

  finalNvimTreesitter = nvimTreesitterWithGrammars.overrideAttrs (oldAttrs: {
    passthru.dependencies = oldAttrs.passthru.dependencies ++ [
      (pkgs.runCommand "nvim-treesitter-d2-grammar" { } ''
        mkdir -p $out/parser
        ln -s ${customGrammars}/d2.so $out/parser/d2.so
      '')
    ];
    postPatch = ''
      ln -s ${extraGrammars.tree-sitter-d2.src}/queries queries/d2
    '';
  });
in
{
  override' = {
    nvim-treesitter = finalNvimTreesitter;
  };

  nvim-treesitter = [
    (local (set "parser_config"
      (pipe1 (require "nvim-treesitter.parsers") (call0 "get_parser_configs"))
    ))
    (set "parser_config.d2" { })

    (pipe1
      (require "nvim-treesitter.configs")
      (call "setup" {
        ensure_installed = { };
        sync_install = false;
        highlight.enable = true;
        indent.enable = true;
      })
    )
  ];
}