// SPDX-License-Identifier: AGPL-3.0-or-later

import { test } from "node:test";
import { strict as assert } from "node:assert";

import { View } from "../../ui/system/core/view.js";

test("View — constructor requires an id", () => {
  assert.throws(() => new View({}), /requires an id/);
});

test("View — fields default sensibly", () => {
  const v = new View({ id: "wv-1" });
  assert.equal(v.id, "wv-1");
  assert.equal(v.name, "Loading…");
  assert.equal(v.host, "");
  assert.equal(v.path, "");
  assert.equal(v.themeColor, "transparent");
  assert.equal(v.webView, null);
});

test("View.setFromTitleEvent — updates name and reports change", () => {
  const v = new View({ id: "wv-1", name: "Old" });
  assert.equal(v.setFromTitleEvent({ title: "New" }), true);
  assert.equal(v.name, "New");
});

test("View.setFromTitleEvent — keeps existing name on empty input", () => {
  const v = new View({ id: "wv-1", name: "Kept" });
  assert.equal(v.setFromTitleEvent({ title: "" }), false);
  assert.equal(v.setFromTitleEvent({ title: null }), false);
  assert.equal(v.setFromTitleEvent({}), false);
  assert.equal(v.name, "Kept");
});

test("View.setFromTitleEvent — no-op when title unchanged", () => {
  const v = new View({ id: "wv-1", name: "Same" });
  assert.equal(v.setFromTitleEvent({ title: "Same" }), false);
});

test("View.setFromUrlEvent — splits host and path", () => {
  const v = new View({ id: "wv-1" });
  assert.equal(v.setFromUrlEvent({ url: "https://example.com/foo?bar=1#x" }), true);
  assert.equal(v.host, "example.com");
  assert.equal(v.path, "/foo?bar=1#x");
});

test("View.setFromUrlEvent — bare domain has empty path (not '/')", () => {
  const v = new View({ id: "wv-1" });
  v.setFromUrlEvent({ url: "https://example.com/" });
  assert.equal(v.host, "example.com");
  assert.equal(v.path, "");
});

test("View.setFromUrlEvent — invalid URL is stored verbatim", () => {
  const v = new View({ id: "wv-1" });
  // about:blank parses as a URL but with no host — we treat it as a fallback.
  v.setFromUrlEvent({ url: "not a url at all" });
  assert.equal(v.host, "not a url at all");
  assert.equal(v.path, "");
});

test("View.setFromUrlEvent — beaver:// scheme has its host segment", () => {
  const v = new View({ id: "wv-1" });
  v.setFromUrlEvent({ url: "beaver://system/desktop/index.html" });
  assert.equal(v.host, "system");
  assert.equal(v.path, "/desktop/index.html");
});

test("View.setFromUrlEvent — opaque URL (about:blank) falls back to raw url", () => {
  const v = new View({ id: "wv-1" });
  v.setFromUrlEvent({ url: "about:blank" });
  assert.equal(v.host, "about:blank");
  assert.equal(v.path, "");
});

test("View.setFromUrlEvent — empty/missing url is ignored", () => {
  const v = new View({ id: "wv-1", host: "kept.example", path: "/p" });
  assert.equal(v.setFromUrlEvent({ url: "" }), false);
  assert.equal(v.setFromUrlEvent({}), false);
  assert.equal(v.host, "kept.example");
  assert.equal(v.path, "/p");
});

test("View.displayHost — joins host + path", () => {
  const v = new View({ id: "wv-1", host: "example.com", path: "/foo" });
  assert.equal(v.displayHost(), "example.com/foo");
});

test("View.displayHost — host only when no path", () => {
  const v = new View({ id: "wv-1", host: "example.com" });
  assert.equal(v.displayHost(), "example.com");
});

test("View.displayHost — empty when no host", () => {
  const v = new View({ id: "wv-1" });
  assert.equal(v.displayHost(), "");
});

test("View.shortHost — strips scheme and trims to first dot label", () => {
  assert.equal(View.shortHost("example.com"), "example");
  assert.equal(View.shortHost("news.bbc.co.uk"), "news");
  assert.equal(View.shortHost("https://example.com"), "example");
  assert.equal(View.shortHost("singleword"), "singleword");
  assert.equal(View.shortHost(""), "");
});