. "$PSScriptRoot/Config.ps1";
. "$PSScriptRoot/../Types/InstallerAction.ps1";

<#
    .SYNOPSIS
    Gets the name of the software.
#>
function Get-SoftwareName {
    $path = ${Function:Install-Software}.File;

    if ($path -ne "$PSCommandPath") {
        Split-Path -Leaf (Split-Path -Parent $path);
    } else {
        $null;
    }
}

<#
    .SYNOPSIS
    Installs the software.
#>
function Install-Software { }

<#
    .SYNOPSIS
    Configures the system for the software.
#>
function Set-SoftwareConfiguration { }

<#
    .SYNOPSIS
    Configures a user for the software.

    .PARAMETER Name
    The name of the user to configure.
#>
function Set-SoftwareUserConfiguration {
    param(
        [Parameter(Mandatory = $true)]
        [string] $Name
    )
}

$null = New-Module {
    . "$PSScriptRoot/../Types/InstallerAction.ps1";
    $userArgument = "name";

    function Start-SoftwareInstaller {
        param(
            [InstallerAction] $Action,
            [hashtable] $Arguments
        )

        $null = $softwareName;

        if ($null -ne (Get-SoftwareName)) {
            $softwareName = "``$(Get-SoftwareName)``";
        } else {
            $softwareName = "unknown software";
        }
    
        if (($null -eq $Action) -or ($action -eq ([InstallerAction]::Install))) {
            Write-Host "Installing $softwareName…";
            Install-Software @Arguments;
        } elseif ($action -eq ([InstallerAction]::Configure)) {
            Write-Host "Configuring $softwareName…";
            Set-SoftwareConfiguration @Arguments;
    
            foreach ($user in Get-Users) {
                $Arguments.Add($userArgument, $user);
                Start-SoftwareInstaller -Action ([InstallerAction]::ConfigureUser) @Arguments;
            }
        } elseif ($action -eq ([InstallerAction]::ConfigureUser)) {
            if ((-not $Arguments.Contains($userArgument)) -or ($null -eq $Arguments[$userArgument])) {
                $Arguments.Add($userArgument, ($env:UserName));
            }

            Write-Host "Configuring $softwareName for user ``$($Arguments[$userArgument])``…";
            Set-SoftwareUserConfiguration @Arguments;
        }
    }
}