# My Talks for PowerPoint on Windows.
# Run: right-click > Run with PowerShell. Quit PowerPoint first.
param([switch]$Uninstall)
$ErrorActionPreference = 'Stop'
$dir = Join-Path $env:LOCALAPPDATA 'My Talks'
$file = Join-Path $dir 'mytalks.xml'
$key = 'HKCU:\Software\Microsoft\Office\16.0\WEF\Developer'
if ($Uninstall) {
  if (Test-Path $key) { Remove-ItemProperty -Path $key -Name $file -ErrorAction SilentlyContinue }
  Remove-Item $file -ErrorAction SilentlyContinue
  Write-Host 'Removed My Talks.'
  exit
}
New-Item -ItemType Directory -Force -Path $dir | Out-Null
@'
<?xml version="1.0" encoding="UTF-8"?>
<OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1"
 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:type="ContentApp">
  <Id>174dba14-3012-45d6-8d09-0b1d357e2e28</Id>
  <Version>1.1.0.0</Version>
  <ProviderName>My Talks</ProviderName>
  <DefaultLocale>en-US</DefaultLocale>
  <DisplayName DefaultValue="My Talks"/>
  <Description DefaultValue="Live polls on your slides. Your audience scans a QR code and answers on their phones: yes or no, agree or disagree, or A to E. The results appear on the slide as they come in."/>
  <IconUrl DefaultValue="https://my-talk.app/assets/icons/icon-32.png"/>
  <HighResolutionIconUrl DefaultValue="https://my-talk.app/assets/icons/icon-64.png"/>
  <SupportUrl DefaultValue="https://my-talk.app/support"/>
  <AppDomains>
    <AppDomain>https://my-talk.app</AppDomain>
  </AppDomains>
  <Hosts><Host Name="Presentation"/></Hosts>
  <DefaultSettings>
    <SourceLocation DefaultValue="https://my-talk.app/addin/"/>
    <RequestedWidth>960</RequestedWidth>
    <RequestedHeight>540</RequestedHeight>
  </DefaultSettings>
  <Permissions>Restricted</Permissions>
</OfficeApp>
'@ | Set-Content -Path $file -Encoding UTF8
New-Item -Path $key -Force | Out-Null
New-ItemProperty -Path $key -Name $file -Value $file -PropertyType String -Force | Out-Null
Write-Host 'Installed My Talks. Open PowerPoint, then Insert > Add-ins > My Add-ins > Developer Add-ins.'