functions/general/New-TmfConfiguration.ps1

function New-TmfConfiguration
{
    <#
        .SYNOPSIS
            Creates a empty TMF Tenant configuration.
        
        .DESCRIPTION
            Creates a empty TMF Tenant configuration.
            A configuration contains definitions for resources.
        
        .PARAMETER OutPath
            Where to create the configuration. Any path is possible.

        .PARAMETER Force
            Force the creation of the directory structure or overwrite an existing configuration.

        .PARAMETER DoNotAutoActivate
            Do not automatically activate configuration after creation.

        .PARAMETER Name
            The name of the new configuration.

        .PARAMETER Description
            A description for the configuration. For example to explain which tenants this configuration should be applied to.
        
        .PARAMETER Weight
            The weight of the configuration. This is considered when loading the desired configuration.
            Configurations with a higher weight overwrite configurations (If they have resources with the same displayName or name) that have been loaded earlier.

        .PARAMETER Author
            Define who created this configuration or who is responsible for changes.
        
        .PARAMETER Prerequisite
            On which other configurations this configuration depends.

    #>

    [CmdletBinding()]
    Param (
        [Parameter(Mandatory = $true)]
        [string] $OutPath,
        [switch] $Force,
        [switch] $DoNotAutoActivate,

        [Parameter(Mandatory = $true)]
        [string] $Name,
        [int] $Weight = 50,
        [string] $Description = "<insert description here>",
        [string] $Author = "<author>",
        [string[]] $Prerequisite = @()
    )
    
    begin
    {
        $configurationFilePath = "{0}\configuration.json" -f $OutPath

        if (!$Force -and !(Test-Path $OutPath)) {
            Stop-PSFFunction -String "New-TMFConfiguration.OutPath.PathDoesNotExist" -StringValues $OutPath
            return
        }
        elseif ($Force -and !(Test-Path $OutPath)) {
            Write-PSFMessage -Level Host -String "New-TMFConfiguration.OutPath.CreatingDirectory" -StringValues $OutPath -NoNewLine
            New-Item -Path $OutPath -ItemType Directory | Out-Null
            Write-PSFHostColor -String ' [<c="green">DONE</c>]'
        }
        elseif (!$Force -and (Test-Path $configurationFilePath)) {
            Stop-PSFFunction -String "New-TMFConfiguration.OutPath.AlreadyExists" -StringValues $configurationFilePath
            return
        }
    }
    process
    {
        if (Test-PSFFunctionInterrupt) { return }

        Write-PSFMessage -Level Host -String "New-TMFConfiguration.OutPath.CreatingStructure" -StringValues $OutPath -NoNewLine
        Copy-Item -Path "$script:moduleRoot\internal\data\configuration\*" -Destination $OutPath -Recurse -Force
        Write-PSFHostColor -String ' [<c="green">DONE</c>]'

        $configuration = [PSCustomObject] @{
            "Name" = $Name
            "Description" = $Description
            "Author" = $Author
            "Weight" = $Weight
            "Prerequisite" = $Prerequisite
        } 
        $configuration | ConvertTo-Json | Set-Content -Path $configurationFilePath
    }
    end
    {
        if (Test-PSFFunctionInterrupt) { return }

        if (!$DoNotAutoActivate) {
            Activate-TmfConfiguration -ConfigurationPaths $OutPath -Force
        }        
        Write-PSFMessage -Level Host -Message "Creation has finished! Have fun!" -NoNewLine
        Write-PSFHostColor -String ' [<c="green">DONE</c>]'
    }
}