Refactoring diagnostic tests in multiple files.

server/lib/diagnostic/video.ts

@@ -0,0 +1,54 @@
+import { newResult, TestResult } from './utils'
+
+export async function diagVideo (test: string, settingsManager: PluginSettingsManager): Promise<TestResult> {
+  const result = newResult(test)
+  result.label = 'Webchat activated on videos'
+  const videoSettings = await settingsManager.getSettings([
+    'chat-auto-display',
+    'chat-open-blank',
+    'chat-only-locals',
+    'chat-all-lives',
+    'chat-all-non-lives',
+    'chat-videos-list'
+  ])
+  if (videoSettings['chat-auto-display']) {
+    result.messages.push('Chat will open automatically')
+  } else {
+    result.messages.push('Chat will not open automatically')
+  }
+
+  if (videoSettings['chat-open-blank']) {
+    result.messages.push('Displaying «open in new window» button')
+  }
+
+  if (videoSettings['chat-only-locals']) {
+    result.messages.push('Chat will only be available for local videos')
+  }
+
+  let atLeastOne: boolean = false
+  if (videoSettings['chat-all-lives']) {
+    result.messages.push('Chat is enabled for all lives.')
+    atLeastOne = true
+  }
+  if (videoSettings['chat-all-non-lives']) {
+    result.messages.push('Chat is enabled for all non-lives.')
+    atLeastOne = true
+  }
+  if ((videoSettings['chat-videos-list'] ?? '') !== '') {
+    const lines = ((videoSettings['chat-videos-list'] ?? '') as string).split('\n')
+    for (let i = 0; i < lines.length; i++) {
+      if (/^\s*(-|\w)+\s*($|#)/.test(lines[i])) {
+        result.messages.push('Chat is activated for a specific videos.')
+        atLeastOne = true
+      }
+    }
+  }
+  if (atLeastOne) {
+    result.ok = true
+    result.next = 'webchat-type'
+  } else {
+    result.ok = false
+    result.messages.push('Chat is activate for no video.')
+  }
+  return result
+}