Refactoring: merge video-watch scope into common.

In order to be able to use lit in videowatch related code, we have to
merge these scopes.

client/common/videowatch/uri.ts

@@ -0,0 +1,95 @@
+// SPDX-FileCopyrightText: 2024 John Livingston <https://www.john-livingston.fr/>
+//
+// SPDX-License-Identifier: AGPL-3.0-only
+
+import type { RegisterClientOptions } from '@peertube/peertube-types/client'
+import type { Video } from '@peertube/peertube-types'
+import { AutoColors, isAutoColorsAvailable } from 'shared/lib/autocolors'
+import { getBaseRoute } from '../../utils/uri'
+import { logger } from '../../utils/logger'
+import { computeAutoColors } from '../../utils/colors'
+
+interface UriOptions {
+  readonly?: boolean | 'noscroll'
+  transparent?: boolean
+  ignoreAutoColors?: boolean
+  permanent?: boolean
+}
+
+function getIframeUri (
+  registerOptions: RegisterClientOptions, settings: any, video: Video, uriOptions: UriOptions = {}
+): string | null {
+  if (!settings) {
+    logger.error('Settings are not initialized, too soon to compute the iframeUri')
+    return null
+  }
+  let iframeUriStr = getBaseRoute(registerOptions, uriOptions.permanent)
+  iframeUriStr += '/webchat/room/' + encodeURIComponent(video.uuid)
+
+  const iFrameUri = new URL(iframeUriStr, window.location.origin)
+
+  if (
+    !uriOptions.ignoreAutoColors &&
+    settings['converse-autocolors'] &&
+    isAutoColorsAvailable(settings['converse-theme'])
+  ) {
+    logger.info('We have to try to compute autocolors.')
+    try {
+      const autocolors = computeAutoColors()
+      if (autocolors) {
+        for (const p in autocolors) {
+          iFrameUri.searchParams.set('_ac_' + p, autocolors[p as keyof AutoColors])
+        }
+      }
+    } catch (err) {
+      logger.error(`Failed computing autocolors:  '${err as string}'`)
+    }
+  }
+
+  if (uriOptions.readonly) {
+    iFrameUri.searchParams.set('_readonly', (typeof uriOptions.readonly === 'string') ? uriOptions.readonly : 'true')
+  }
+
+  if (uriOptions.transparent) {
+    iFrameUri.searchParams.set('_transparent', 'true')
+  }
+
+  iframeUriStr = iFrameUri.href
+  return iframeUriStr
+}
+
+interface XMPPAddr {
+  uri: string
+  jid: string
+}
+function getXMPPAddr (
+  registerOptions: RegisterClientOptions, settings: any, video: Video
+): XMPPAddr | null {
+  // returns something like xmpp:256896ac-199a-4dab-bb3a-4fd916140272@room.instance.tdl?join
+  if (!settings['prosody-room-allow-s2s']) {
+    return null
+  }
+
+  let uuid: string
+  if (settings['prosody-room-type'] === 'channel') {
+    uuid = 'channel.' + video.channel.id.toString()
+  } else {
+    uuid = video.uuid.toString()
+  }
+
+  const hostname = window.location.hostname
+
+  const jid = uuid + '@room.' + hostname
+  return {
+    jid,
+    uri: 'xmpp:' + jid + '?join'
+  }
+}
+
+export type {
+  UriOptions
+}
+export {
+  getIframeUri,
+  getXMPPAddr
+}