Dave Herrell

				
					[CmdletBinding()]
param(
    [Parameter(Mandatory=$false)][string]$Owner,
    [Parameter(Mandatory=$false)][string]$Members,
    [Parameter(Mandatory=$false)][ValidateSet('Private', 'Public')][string]$Visibility = 'Private',
    [Parameter(Mandatory=$false)][string]$TeamName,
    [Parameter(Mandatory=$false)][string]$TeamDescription,
    [Parameter(Mandatory=$false)][string]$ChannelEmail
)

try {
    Import-Module Microsoft.Graph.Authentication
    Connect-MgGraph -Identity
    
    if (-not $TeamName -or -not $Owner) { throw "TeamName and Owner are required" }

    $ownerUser = Get-MgUser -Filter "userPrincipalName eq '$Owner'"
    if (-not $ownerUser) { throw "Owner not found" }
    
    $memberIds = @()
    if ($Members) {
        $memberIds = ($Members -split ',').Trim() | ForEach-Object {
            (Get-MgUser -Filter "userPrincipalName eq '$_'").Id
        } | Where-Object { $_ }
    }

    $group = @{
        displayName = $TeamName
        description = $TeamDescription
        groupTypes = @("Unified")
        mailEnabled = $true
        mailNickname = $ChannelEmail.Split('@')[0]
        securityEnabled = $true
        visibility = $Visibility
        "owners@odata.bind" = @("https://graph.microsoft.com/v1.0/users/$($ownerUser.Id)")
    }

    if ($memberIds) {
        $group["members@odata.bind"] = @($memberIds | ForEach-Object { "https://graph.microsoft.com/v1.0/users/$_" })
    }

    $newGroup = Invoke-MgGraphRequest -Method POST -Uri "https://graph.microsoft.com/v1.0/groups" -Body ($group | ConvertTo-Json -Depth 10)
    Write-Host "Created group: $($newGroup.id)"
    
    Start-Sleep -Seconds 30
    
    $team = @{
        memberSettings = @{ allowCreateUpdateChannels = $true }
        messagingSettings = @{ allowUserEditMessages = $true; allowUserDeleteMessages = $true }
        funSettings = @{ allowGiphy = $true; giphyContentRating = "Strict" }
    }
    
    $teamResponse = Invoke-MgGraphRequest -Method PUT -Uri "https://graph.microsoft.com/v1.0/groups/$($newGroup.id)/team" -Body ($team | ConvertTo-Json)
    Write-Host "Team created successfully"

    if ($ChannelEmail) {
        Start-Sleep -Seconds 30
        $channels = Invoke-MgGraphRequest -Method GET -Uri "https://graph.microsoft.com/v1.0/teams/$($newGroup.id)/channels"
        $generalChannel = ($channels.value | Where-Object { $_.displayName -eq "General" })
        
        if ($generalChannel) {
            # Get current email settings
            $channelUri = "https://graph.microsoft.com/v1.0/teams/$($newGroup.id)/channels/$($generalChannel.id)/email"
            $currentEmail = Invoke-MgGraphRequest -Method GET -Uri $channelUri
            Write-Host "Email is configured as: $($currentEmail.email)"
        }
    }
}
catch {
    Write-Error "Failed to create/configure team: $_"
}
finally {
    Disconnect-MgGraph
}