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

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

    function Start-SoftwareInstaller {
        param(
            [string] $Name,
            [scriptblock] $Installer = { },
            [scriptblock] $Configurator = { },
            [scriptblock] $UserConfigurator = { },
            [InstallerAction] $Action = [InstallerAction]::Install,
            [hashtable] $Arguments
        )

        if (-not $Name) {
            $Name = Split-Path -Leaf (Split-Path -Parent ((Get-PSCallStack)[1].ScriptName));
        }

        Start-Operation {
            if ($null -ne $Name) {
                $Name = "``$Name``";
            } else {
                $Name = "unknown software";
            }
    
            $installHandler = {
                param(
                    [InstallerAction] $Action,
                    [hashtable] $Arguments
                )
    
                $Arguments ??= @{ };
    
                $argumentList = @{
                    installer = $installHandler;
                    arguments = $Arguments;
                };
    
                if ($action -eq ([InstallerAction]::Install)) {
                    Write-Host "Installing $Name…";
                    & $Installer @argumentList;
                } elseif ($Action -eq ([InstallerAction]::Configure)) {
                    Write-Host "Configuring $Name…";
                    & $Configurator @argumentList;
        
                    foreach ($user in Get-Users) {
                        $Arguments.Add($userArgument, $user);
                        $argumentList.Add("action", [InstallerAction]::ConfigureUser);
                        & $installHandler @argumentList;
                    }
                } elseif ($Action -eq ([InstallerAction]::ConfigureUser)) {
                    if ((-not $Arguments.ContainsKey($userArgument)) -or ($null -eq $Arguments[$userArgument])) {
                        $argumentList.Add($userArgument, ($env:UserName));
                    }
    
                    Write-Host "Configuring $Name for user ``$($Arguments[$userArgument])``…";
                    & $UserConfigurator @argumentList;
                }
            };
    
            & $installHandler -Action $Action -Arguments $Arguments;
        };
    }
}