import { acceptance } from "helpers/qunit-helpers";
import selectKit from "helpers/select-kit-helper";
import Site from "discourse/models/site";
import Session from "discourse/models/session";
import cookie, { removeCookie } from "discourse/lib/cookie";

acceptance("User Preferences - Interface", {
  loggedIn: true,
});

QUnit.test("font size change", async (assert) => {
  removeCookie("text_size");

  const savePreferences = async () => {
    assert.ok(!exists(".saved"), "it hasn't been saved yet");
    await click(".save-changes");
    assert.ok(exists(".saved"), "it displays the saved message");
    find(".saved").remove();
  };

  await visit("/u/eviltrout/preferences/interface");

  // Live changes without reload
  await selectKit(".text-size .combobox").expand();
  await selectKit(".text-size .combobox").selectRowByValue("larger");
  assert.ok(document.documentElement.classList.contains("text-size-larger"));

  await selectKit(".text-size .combobox").expand();
  await selectKit(".text-size .combobox").selectRowByValue("largest");
  assert.ok(document.documentElement.classList.contains("text-size-largest"));

  assert.equal(cookie("text_size"), null, "cookie is not set");

  // Click save (by default this sets for all browsers, no cookie)
  await savePreferences();

  assert.equal(cookie("text_size"), null, "cookie is not set");

  await selectKit(".text-size .combobox").expand();
  await selectKit(".text-size .combobox").selectRowByValue("larger");
  await click(".text-size input[type=checkbox]");

  await savePreferences();

  assert.equal(cookie("text_size"), "larger|1", "cookie is set");
  await click(".text-size input[type=checkbox]");
  await selectKit(".text-size .combobox").expand();
  await selectKit(".text-size .combobox").selectRowByValue("largest");

  await savePreferences();
  assert.equal(cookie("text_size"), null, "cookie is removed");

  removeCookie("text_size");
});

QUnit.test(
  "does not show option to disable dark mode by default",
  async (assert) => {
    await visit("/u/eviltrout/preferences/interface");
    assert.equal($(".control-group.dark-mode").length, 0);
  }
);

QUnit.test("shows light/dark color scheme pickers", async (assert) => {
  let site = Site.current();
  site.set("user_color_schemes", [
    { id: 2, name: "Cool Breeze" },
    { id: 3, name: "Dark Night", is_dark: true },
  ]);

  await visit("/u/eviltrout/preferences/interface");
  assert.ok($(".light-color-scheme").length, "has regular dropdown");
  assert.ok($(".dark-color-scheme").length, "has dark color scheme dropdown");
});

function interfacePretender(server, helper) {
  server.get("/color-scheme-stylesheet/2.json", () => {
    return helper.response({
      success: "OK",
    });
  });
}

acceptance("User Preferences Color Schemes (with default dark scheme)", {
  loggedIn: true,
  settings: { default_dark_mode_color_scheme_id: 1 },
  pretend: interfacePretender,
});

QUnit.test("show option to disable dark mode", async (assert) => {
  await visit("/u/eviltrout/preferences/interface");

  assert.ok(
    $(".control-group.dark-mode").length,
    "it has the option to disable dark mode"
  );
});

QUnit.test("no color scheme picker by default", async (assert) => {
  let site = Site.current();
  site.set("user_color_schemes", []);

  await visit("/u/eviltrout/preferences/interface");
  assert.equal($(".control-group.color-scheme").length, 0);
});

QUnit.test("light color scheme picker", async (assert) => {
  let site = Site.current();
  site.set("user_color_schemes", [{ id: 2, name: "Cool Breeze" }]);

  await visit("/u/eviltrout/preferences/interface");
  assert.ok($(".light-color-scheme").length, "has regular picker dropdown");
  assert.equal(
    $(".dark-color-scheme").length,
    0,
    "does not have a dark color scheme picker"
  );
});

QUnit.test("light and dark color scheme pickers", async (assert) => {
  let site = Site.current();
  let session = Session.current();
  session.userDarkSchemeId = 1; // same as default set in site settings

  site.set("default_dark_color_scheme", { id: 1, name: "Dark" });
  site.set("user_color_schemes", [
    { id: 2, name: "Cool Breeze" },
    { id: 3, name: "Dark Night", is_dark: true },
  ]);

  const savePreferences = async () => {
    assert.ok(!exists(".saved"), "it hasn't been saved yet");
    await click(".save-changes");
    assert.ok(exists(".saved"), "it displays the saved message");
    find(".saved").remove();
  };

  await visit("/u/eviltrout/preferences/interface");
  assert.ok($(".light-color-scheme").length, "has regular dropdown");
  assert.ok($(".dark-color-scheme").length, "has dark color scheme dropdown");
  assert.equal(
    $(".dark-color-scheme .selected-name").data("value"),
    session.userDarkSchemeId,
    "sets site default as selected dark scheme"
  );
  assert.equal(
    $(".control-group.dark-mode").length,
    0,
    "it does not show disable dark mode checkbox"
  );

  removeCookie("color_scheme_id");
  removeCookie("dark_scheme_id");

  await selectKit(".light-color-scheme .combobox").expand();
  await selectKit(".light-color-scheme .combobox").selectRowByValue(2);
  assert.equal(cookie("color_scheme_id"), null, "cookie is not set");
  assert.ok(
    exists(".color-scheme-checkbox input:checked"),
    "defaults to storing values in user options"
  );

  await savePreferences();
  assert.equal(cookie("color_scheme_id"), null, "cookie is unchanged");

  // Switch to saving changes in cookies
  await click(".color-scheme-checkbox input[type=checkbox]");
  await savePreferences();
  assert.equal(cookie("color_scheme_id"), 2, "cookie is set");

  // dark scheme
  await selectKit(".dark-color-scheme .combobox").expand();
  assert.ok(
    selectKit(".dark-color-scheme .combobox").rowByValue(1).exists(),
    "default dark scheme is included"
  );

  await selectKit(".dark-color-scheme .combobox").selectRowByValue(-1);
  assert.equal(
    cookie("dark_scheme_id"),
    null,
    "cookie is not set before saving"
  );

  await savePreferences();
  assert.equal(cookie("dark_scheme_id"), -1, "cookie is set");

  await click("button.undo-preview");
  assert.equal(
    selectKit(".light-color-scheme .combobox").header().value(),
    null,
    "resets light scheme dropdown"
  );

  assert.equal(
    selectKit(".dark-color-scheme .combobox").header().value(),
    session.userDarkSchemeId,
    "resets dark scheme dropdown"
  );
});