/* eslint-env mozilla/chrome-script */
/* eslint-disable mozilla/use-services */

"use strict";

var gObs;

function info(s) {
  sendAsyncMessage("info", { str: String(s) });
}

function ok(c, m) {
  sendAsyncMessage("ok", { c, m });
}

function is(a, b, m) {
  ok(Object.is(a, b), m + " (" + a + " === " + b + ")");
}

// Count headers.
function obs() {
  info("adding observer");

  this.os = Cc["@mozilla.org/observer-service;1"].getService(
    Ci.nsIObserverService
  );
  this.os.addObserver(this, "http-on-modify-request");
}

obs.prototype = {
  observe(theSubject, theTopic, theData) {
    info("theSubject " + theSubject);
    info("theTopic " + theTopic);
    info("theData " + theData);

    var channel = theSubject.QueryInterface(Ci.nsIHttpChannel);
    info("channel " + channel);
    try {
      info("channel.URI " + channel.URI);
      info("channel.URI.spec " + channel.URI.spec);
      channel.visitRequestHeaders({
        visitHeader(aHeader, aValue) {
          info(aHeader + ": " + aValue);
        },
      });
    } catch (err) {
      ok(false, "catch error " + err);
    }

    // Ignore notifications we don't care about (like favicons)
    if (
      !channel.URI.spec.includes(
        "http://example.org/tests/netwerk/test/mochitests/"
      )
    ) {
      info("ignoring this one");
      return;
    }

    sendAsyncMessage("observer:gotCookie", {
      cookie: channel.getRequestHeader("Cookie"),
      uri: channel.URI.spec,
    });
  },

  remove() {
    info("removing observer");

    this.os.removeObserver(this, "http-on-modify-request");
    this.os = null;
  },
};

function getCookieCount(cs) {
  let count = 0;
  for (let cookie of cs.cookies) {
    info("cookie: " + cookie);
    info(
      "cookie host " +
        cookie.host +
        " path " +
        cookie.path +
        " name " +
        cookie.name +
        " value " +
        cookie.value +
        " isSecure " +
        cookie.isSecure +
        " expires " +
        cookie.expires
    );
    ++count;
  }

  return count;
}

addMessageListener("init", ({ domain }) => {
  let cs = Cc["@mozilla.org/cookiemanager;1"].getService(Ci.nsICookieManager);

  info("we are going to remove these cookies");

  let count = getCookieCount(cs);
  info(count + " cookies");

  cs.removeAll();
  cs.add(
    domain,
    "/",
    "oh",
    "hai",
    false,
    false,
    true,
    Math.pow(2, 62),
    {},
    Ci.nsICookie.SAMESITE_NONE,
    Ci.nsICookie.SCHEME_HTTPS
  );
  is(
    cs.countCookiesFromHost(domain),
    1,
    "number of cookies for domain " + domain
  );

  gObs = new obs();
  sendAsyncMessage("init:return");
});

addMessageListener("getCookieCount", () => {
  let cs = Cc["@mozilla.org/cookiemanager;1"].getService(Ci.nsICookieManager);
  let count = getCookieCount(cs);

  cs.removeAll();
  sendAsyncMessage("getCookieCount:return", { count });
});

addMessageListener("shutdown", () => {
  gObs.remove();

  let cs = Cc["@mozilla.org/cookiemanager;1"].getService(Ci.nsICookieManager);
  cs.removeAll();
  sendAsyncMessage("shutdown:return");
});