#!/usr/bin/env nix-shell
#!nix-shell update-shell.nix -i python3

# format:
# $ nix run nixpkgs#python3Packages.ruff -- update.py
# type-check:
# $ nix run nixpkgs#python3Packages.mypy -- update.py
# linted:
# $ nix run nixpkgs#python3Packages.flake8 -- --ignore E501,E265,E402 update.py

import inspect
import os
import sys
from pathlib import Path

import nixpkgs_plugin_update

ROOT = Path(os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))))  # type: ignore

GET_PLUGINS = f"""with import <localpkgs> {{ }};
let
  inherit (kakouneUtils.override {{ }}) buildKakounePluginFrom2Nix;
  generated = callPackage {ROOT}/generated.nix {{ inherit buildKakounePluginFrom2Nix; }};

  hasChecksum =
    value:
    lib.isAttrs value
    && lib.hasAttrByPath [
      "src"
      "outputHash"
    ] value;

  parse = name: value: {{
    pname = value.pname;
    version = value.version;
    homePage = value.meta.homepage;
    checksum =
      if hasChecksum value then
        {{
          submodules = value.src.fetchSubmodules or false;
          sha256 = value.src.outputHash;
          rev = value.src.rev;
          tag = value.src.tag or null;
        }}
      else
        null;
  }};
in
lib.mapAttrs parse generated"""

HEADER = "# This file has been @generated by ./pkgs/applications/editors/kakoune/plugins/update.py. Do not edit!"


class KakouneEditor(nixpkgs_plugin_update.Editor):
    def generate_nix(
        self,
        plugins: list[tuple[nixpkgs_plugin_update.PluginDesc, nixpkgs_plugin_update.Plugin]],
        outfile: str,
    ):
        with open(outfile, "w+") as f:
            f.write(HEADER)
            f.write(
                """
{ lib, buildKakounePluginFrom2Nix, fetchFromGitHub, overrides ? (self: super: {}) }:
let
packages = ( self:
{"""
            )
            for pluginDesc, plugin in plugins:
                f.write(
                    f"""
  {plugin.normalized_name} = buildKakounePluginFrom2Nix {{
    pname = "{plugin.normalized_name}";
    version = "{plugin.version}";
    src = {pluginDesc.repo.as_nix(plugin)};
    meta.homepage = "{pluginDesc.repo.url("")}";
  }};
"""
                )
            f.write(
                """
});
in lib.fix' (lib.extends overrides packages)
"""
            )
        print(f"updated {outfile}")

    def update(self, args):
        nixpkgs_plugin_update.update_plugins(self, args)


def main():
    editor = KakouneEditor("kakoune", ROOT, GET_PLUGINS)
    editor.run()


if __name__ == "__main__":
    main()