[CmdletBinding(SupportsShouldProcess)]param(
    [Parameter(mandatory=$true, ValueFromPipeline=$true, ParameterSetName="Pipe")]
    [szPackage]$InputObject,
    [Parameter(mandatory=$true, ParameterSetName="LocalHost")]
    [switch]$LocalHost,
    [Parameter(mandatory=$true, ParameterSetName="LocalUser")]
    [switch]$LocalUser,
    [switch]$Force,
    [switch]$PassThru,
    [switch]$DryRun
)

process {
    $local:iObj = $_
    if( $LocalHost ) {
        $iObj = New-MyPackage -Name "$(hostname).local" |
            Add-PackageCondition -Hostname "$(hostname)"
    } elseif( $LocalUser ) {
        $iObj = New-MyPackage -Name "$($USER).local" |
            Add-PackageCondition -Username $USER
    }
    Write-Verbose "Set-MyPackage called with $($iObj | Out-String)..."
    $local:outObj = @{ package = @{ Name = $iObj.Name; Condition = @() } }
    foreach( $local:c in $iObj.Condition ) {
        $local:newC = [ordered]@{}
        foreach( $local:p in $c.PSObject.Properties ) {
            if( $p.TypeNameOfValue -match 'ScriptBlock' -and $p.Value ) {
                $newC[$p.Name] = $p.Value.ToString().Trim()
            } else {
                $newC[$p.Name] = $p.Value
            }
        }
        $outObj.package.Condition += $newC;
    }
    $local:jsonOut = $outObj | ConvertTo-Json -Depth 4

    if( -not $DryRun ) {
        $local:pkgPath = Join-Path $MyPSScriptRoot $iObj.name
        Write-Verbose "pkgPath=$pkgPath"
        if( -not (Test-Path $pkgPath) ) { $null = New-Item -Type Directory $pkgPath -Force:$Force }
        $jsonPath = Join-Path $pkgPath '_.package.json'
        if( $Force -or -not (Test-Path $jsonPath) ) {
            $jsonOut | Out-File $jsonPath -Force:$Force

            $local:profilePath = $(Join-Path $pkgPath 'profile.d')
            if( $LocalHost -or $LocalUser -and -not (Test-Path $profilePath) ) {
                $null = New-Item -Type Directory $profilePath -Force:$Force
                $null = New-Item -Type File $(Join-Path $profilePath env.ps1) -Value "# local environment"
            }
        } elseif ( Test-Path $jsonPath ) {
            throw 'Package already exists!'
        }
    }

    if( $PassThru ) {
        $jsonOut
    }
}