using namespace System.Net

# Input bindings are passed in via param block.
param($Request, $TriggerMetadata)

# Write to the Azure Functions log stream.
Write-Host "PowerShell HTTP trigger function processed a request."

# Interact with query parameters or the body of the request.
$adminName = $Request.Query.adminName
if (-not $adminName) {
    $adminName = $Request.Body.adminName
}

$adminPassword = $Request.Query.adminPassword
if (-not $adminPassword) {
    $adminPassword = $Request.Body.adminPassword
}

$upn = $Request.Query.upn
if (-not $upn) {
    $upn = $Request.Body.upn
}

Import-Module MicrosoftTeams
Write-Host "Connecting to teams" 
$securePassword = ConvertTo-SecureString -string $adminPassword -AsPlainText -force
$teamsCredential = New-Object System.Management.Automation.PSCredential ($adminName, $securePassword)

Connect-MicrosoftTeams  -Credential $teamsCredential
 
Write-Host "Getting user info"
$user = Get-CSOnlineUser -Identity "$upn" -ErrorAction SilentlyContinue | Select OnlineVoiceRoutingPolicy, OnPremLineUri, LineUri,   OnlineVoicemailPolicy,DisplayName, UserPrincipalName, EnterpriseVoiceEnabled,UsageLocation
}
if ($user){
  $onlineVoiceUser = $null      
      if (!$first) { $body = $body + ", " }
      $body =$body + "{`"UPN`": `"" + $user.UserPrincipalName  +"`", "
      $body = $body + "`"VoiceRoutingPolicy`": `"" + $user.OnlineVoiceRoutingPolicy +"`", "
      if (![string]::IsNullOrEmpty($user.OnPremLineUri)) {
        $body = $body + "`"LineUri`": `"" + $user.OnPremLineUri  +"`", "
      }
      else {
          if (![string]::IsNullOrEmpty( $user.LineUri)) {
              $body = $body + "`"LineUri`": `"" + $user.LineUri  +"`", "
          }
      }   
      $body = $body + "`"VoicemailPolicy`": `"" + $user.OnlineVoicemailPolicy  +"`", "
      $body = $body + "`"UsageLocation`": `"" + $user.UsageLocation  +"`", "     
      $body = $body + "`"userDisplayName`": `""  + $user.DisplayName    +"`"}"
      $first = $false
} 

Write-Host "returning body = $body"

# Associate values to output bindings by calling 'Push-OutputBinding'.
Push-OutputBinding -Name Response -Value ([HttpResponseContext]@{
    StatusCode = [HttpStatusCode]::OK
    Body = $body
})