import { describe, test } from "bun:test";
import assert from "node:assert";
import url from "node:url";

describe("url.parse", () => {
  // TODO: Support error code.
  test.todo("invalid input", () => {
    // https://github.com/joyent/node/issues/568
    [
      [undefined, "undefined"],
      [null, "object"],
      [true, "boolean"],
      [false, "boolean"],
      [0.0, "number"],
      [0, "number"],
      [[], "object"],
      [{}, "object"],
      [() => {}, "function"],
      [Symbol("foo"), "symbol"],
    ].forEach(([val, type]) => {
      assert.throws(
        () => {
          url.parse(val);
        },
        {
          code: "ERR_INVALID_ARG_TYPE",
          name: "TypeError",
          message: 'The "url" argument must be of type string.',
        },
      );
    });

    assert.throws(
      () => {
        url.parse("http://%E0%A4%A@fail");
      },
      e => {
        // The error should be a URIError.
        if (!(e instanceof URIError)) return false;

        // The error should be from the JS engine and not from Node.js.
        // JS engine errors do not have the `code` property.
        return e.code === undefined;
      },
    );

    assert.throws(
      () => {
        url.parse("http://[127.0.0.1\x00c8763]:8000/");
      },
      { code: "ERR_INVALID_URL", input: "http://[127.0.0.1\x00c8763]:8000/" },
    );

    if (common.hasIntl) {
      // An array of Unicode code points whose Unicode NFKD contains a "bad
      // character".
      const badIDNA = (() => {
        const BAD_CHARS = "#%/:?@[\\]^|";
        const out = [];
        for (let i = 0x80; i < 0x110000; i++) {
          const cp = String.fromCodePoint(i);
          for (const badChar of BAD_CHARS) {
            if (cp.normalize("NFKD").includes(badChar)) {
              out.push(cp);
            }
          }
        }
        return out;
      })();

      // The generation logic above should at a minimum produce these two
      // characters.
      assert(badIDNA.includes("℀"));
      assert(badIDNA.includes("＠"));

      for (const badCodePoint of badIDNA) {
        const badURL = `http://fail${badCodePoint}fail.com/`;
        assert.throws(
          () => {
            url.parse(badURL);
          },
          e => e.code === "ERR_INVALID_URL",
          `parsing ${badURL}`,
        );
      }

      assert.throws(
        () => {
          url.parse("http://\u00AD/bad.com/");
        },
        e => e.code === "ERR_INVALID_URL",
        "parsing http://\u00AD/bad.com/",
      );
    }

    {
      const badURLs = ["https://evil.com:.example.com", "git+ssh://git@github.com:npm/npm"];
      badURLs.forEach(badURL => {
        common.spawnPromisified(process.execPath, ["-e", `url.parse(${JSON.stringify(badURL)})`]).then(
          common.mustCall(({ code, stdout, stderr }) => {
            assert.strictEqual(code, 0);
            assert.strictEqual(stdout, "");
            assert.match(stderr, /\[DEP0170\] DeprecationWarning:/);
          }),
        );
      });

      // Warning should only happen once per process.
      const expectedWarning = [
        `The URL ${badURLs[0]} is invalid. Future versions of Node.js will throw an error.`,
        "DEP0170",
      ];
      common.expectWarning({
        DeprecationWarning: expectedWarning,
      });
      badURLs.forEach(badURL => {
        url.parse(badURL);
      });
    }
  });
});