Add random streamkey generation and copy key

closes #616

web/pages/components/config/edit-server-details.tsx

@@ -1,4 +1,7 @@
 import React, { useState, useContext, useEffect } from 'react';
+import { Button, Input, Tooltip } from 'antd';
+import { CopyOutlined, RedoOutlined } from '@ant-design/icons';
+
 import TextField, { TEXTFIELD_TYPE_NUMBER, TEXTFIELD_TYPE_PASSWORD } from './form-textfield';
 
 import { ServerStatusContext } from '../../../utils/server-status-context';
@@ -14,6 +17,10 @@ export default function EditInstanceDetails() {
 
   const { streamKey, ffmpegPath, rtmpServerPort, webServerPort } = serverConfig;
 
+  const [copyIsVisible, setCopyVisible]  = useState(false);
+
+  const COPY_TOOLTIP_TIMEOUT = 3000;
+
   useEffect(() => {
     setFormDataValues({
       streamKey, ffmpegPath, rtmpServerPort, webServerPort
@@ -31,6 +38,23 @@ export default function EditInstanceDetails() {
     });
   }
 
+  function generateStreamKey () {
+    let key = '';
+    for (let i = 0; i < 3; i+=1) {
+      key += Math.random().toString(36).substring(2);
+    }
+
+    handleFieldChange({ fieldName: 'streamKey', value: key });
+  }
+
+  function copyStreamKey () {
+    navigator.clipboard.writeText(formDataValues.streamKey)
+      .then(() => {
+        setCopyVisible(true);
+        setTimeout(() => setCopyVisible(false), COPY_TOOLTIP_TIMEOUT);
+      });
+  }
+
   return (  
     <div className={configStyles.publicDetailsContainer}>
       <div className={configStyles.textFieldsSection}>
@@ -42,6 +66,27 @@ export default function EditInstanceDetails() {
           type={TEXTFIELD_TYPE_PASSWORD}
           onChange={handleFieldChange}
         />
+        <div>
+          <span style={{fontSize: '0.75em', color: '#ff7777', marginRight: '0.5em'}}>
+            Save this key somewhere safe,
+            you will need it to stream or login to the admin dashboard!
+          </span>
+          <Tooltip className="copy-tooltip"
+                   title="Copied!"
+                   trigger=""
+                   visible={copyIsVisible}>
+            <Button type="primary"
+                    icon={<CopyOutlined />}
+                    size="small"
+                    onClick={copyStreamKey}
+            />
+          </Tooltip>
+          <Button type="primary"
+                  icon={<RedoOutlined />}
+                  size="small"
+                  onClick={generateStreamKey}
+          />
+        </div>
         <TextField
           fieldName="ffmpegPath"
           {...TEXTFIELD_PROPS_FFMPEG}

web/pages/components/config/form-textfield.tsx

@@ -1,4 +1,4 @@
-import React, { useState, useContext } from 'react';
+import React, { useEffect, useState, useContext } from 'react';
 import { Button, Input, InputNumber } from 'antd';
 import { FormItemProps } from 'antd/es/form';
 
@@ -38,7 +38,7 @@ export default function TextField(props: TextFieldProps) {
   const [submitStatus, setSubmitStatus] = useState<FormItemProps['validateStatus']>('');
   const [submitStatusMessage, setSubmitStatusMessage] = useState('');
   const [hasChanged, setHasChanged] = useState(false);
-  const [fieldValueForSubmit, setFieldValueForSubmit] = useState('');
+  const [fieldValueForSubmit, setFieldValueForSubmit] = useState<string | number>('');
 
   const serverStatusData = useContext(ServerStatusContext);
   const { setFieldInConfigState } = serverStatusData || {};
@@ -71,21 +71,24 @@ export default function TextField(props: TextFieldProps) {
     resetTimer = null;
   };
 
-  // if field is required but value is empty, or equals initial value, then don't show submit/update button. otherwise clear out any result messaging and display button.
-  const handleChange = (e: any) => {
-    const val = type === TEXTFIELD_TYPE_NUMBER ? e : e.target.value;
-
+  useEffect(() => {
+    // TODO: Add native validity checks here, somehow
     // https://developer.mozilla.org/en-US/docs/Web/API/ValidityState
-    const hasValidity = (type !== TEXTFIELD_TYPE_NUMBER && e.target.validity.valid) || type === TEXTFIELD_TYPE_NUMBER ;
-
-    if ((required && (val === '' || val === null)) || val === initialValue || !hasValidity) {
+    // const hasValidity = (type !== TEXTFIELD_TYPE_NUMBER && e.target.validity.valid) || type === TEXTFIELD_TYPE_NUMBER ;
+    if ((required && (value === '' || value === null)) || value === initialValue) {
       setHasChanged(false);
     } else {
       // show submit button
       resetStates();
       setHasChanged(true);
-      setFieldValueForSubmit(val);
+      setFieldValueForSubmit(value);
     }
+  }, [value]);
+
+  // if field is required but value is empty, or equals initial value, then don't show submit/update button. otherwise clear out any result messaging and display button.
+  const handleChange = (e: any) => {
+    const val = type === TEXTFIELD_TYPE_NUMBER ? e : e.target.value;
+
     // if an extra onChange handler was sent in as a prop, let's run that too.
     if (onChange) {
       onChange({ fieldName, value: val });