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

import { WebView } from "./web_view.js";
import { PairingHandler } from "./p2p.js";
import { notifications, initAll } from "./services/index.js";

let NEW_FRAME_DEFAULT_URL =
  navigator.servo.getStringPreference("beaver.start_url");

const windowId = `browser-${Date.now()}-${Math.random().toString(36).slice(2)}`;

navigator.embedder.addEventListener("servoerror", (event) => {
  console.error(`[Servo] ${event.type} ${event.detail}`);
});

navigator.embedder.addEventListener("preferencechanged", (event) => {
  if (event.detail.name == "beaver.start_url") {
    NEW_FRAME_DEFAULT_URL = event.detail.value;
  }
});

// P2P pairing handler
const pairingHandler = new PairingHandler({
  onNotificationAdd: notifications.add,
  onNotificationRemove: notifications.removeByTag,
});

export function createNewView(layoutManager, intent) {
  const webView = new WebView(NEW_FRAME_DEFAULT_URL, "", {});
  layoutManager.addWebView(webView, intent);
}

export function switchToHomescreen(layoutManager) {
  if (layoutManager.homescreenWebviewId) {
    layoutManager.setActiveWebView(layoutManager.homescreenWebviewId);
  }
}

export function openView(layoutManager, url, title) {
  const view = new WebView(url, title, {});
  layoutManager.addWebView(view);
}

export function newWebViewBuilder() {
  return new WebView(NEW_FRAME_DEFAULT_URL, "", {});
}

export function initApp(layoutManager, isMobileMode, mobileComponents) {
  const services = initAll(layoutManager, {
    windowId,
    isMobileMode,
    createNewView: (intent) => createNewView(layoutManager, intent),
    switchToHomescreen: () => switchToHomescreen(layoutManager),
    openView: (url, title) => openView(layoutManager, url, title),
    mobileComponents,
  });

  window.servo = {
    adoptNewWebView(url, webviewId, browsingContextId, pipelineId) {
      const attrs = {
        "adopt-webview-id": webviewId,
        "adopt-browsing-context-id": browsingContextId,
        "adopt-pipeline-id": pipelineId,
      };
      try {
        layoutManager.addWebView(new WebView(url, "", attrs));
      } catch (e) {
        console.error(e);
      }
    },

    openKeyboard(inputType, currentValue, position) {
      services.keyboard.open({
        inputType,
        currentValue,
        placeholder: "",
        position,
      });
    },

    closeEmbedderControl(controlId) {
      services.keyboard.close();
    },
  };

  // Open URL from query params if present
  const params = new URLSearchParams(window.location.search);
  const openValue = params.get("open");
  if (openValue) {
    layoutManager.addWebView(new WebView(openValue, "", {}));
  }

  return { services, pairingHandler };
}