#!/usr/bin/env node
// Copyright 2019-2023 Tauri Programme within The Commons Conservancy
// SPDX-License-Identifier: Apache-2.0
// SPDX-License-Identifier: MIT

/*
This script is solely intended to be run as part of the `covector publish` step to
check the latest version of a crate, considering the current minor version.
*/

const https = require("https");

const kind = process.argv[2];
const packageName = process.argv[3];
const packageVersion = process.argv[4];
const target = packageVersion.substring(0, packageVersion.lastIndexOf("."));

let url = null;
switch (kind) {
  case "cargo":
    url = `https://crates.io/api/v1/crates/${packageName}`;
    break;
  case "npm":
    url = `https://registry.npmjs.org/${packageName}`;
    break;
  default:
    throw new Error("unexpected kind " + kind);
}

const options = {
  headers: {
    "Content-Type": "application/json",
    Accept: "application/json",
    "User-Agent": "tauri (https://github.com/tauri-apps/tauri)",
  },
};

https.get(url, options, (response) => {
  let chunks = [];
  response.on("data", function (chunk) {
    chunks.push(chunk);
  });

  response.on("end", function () {
    const data = JSON.parse(chunks.join(""));
    if (kind === "cargo") {
      if (data.versions) {
        const versions = data.versions.filter((v) => v.num.startsWith(target));
        console.log(versions.length ? versions[0].num : "0.0.0");
      } else {
        console.log("0.0.0");
      }
    } else if (kind === "npm") {
      const versions = Object.keys(data.versions || {}).filter((v) =>
        v.startsWith(target),
      );
      console.log(versions[versions.length - 1] || "0.0.0");
    }
  });
});