$ErrorActionPreference = 'Stop'

$ProxyHostName = 'hproxy.local'
$ProxyPort = 12334
$HttpProxy = "http://${ProxyHostName}:${ProxyPort}"
$ProxyBypassList = "${ProxyHostName};localhost;127.0.0.1;[::1];*.concept-software.ru"

function Get-CodexApplication {
    $Package = Get-AppxPackage -Name 'OpenAI.Codex' -ErrorAction SilentlyContinue |
        Select-Object -First 1

    if ($null -eq $Package) {
        throw 'Codex Windows App is not installed. Expected AppX package: OpenAI.Codex.'
    }

    $Manifest = Get-AppxPackageManifest $Package
    $Application = @($Manifest.Package.Applications.Application) | Select-Object -First 1
    if ($null -eq $Application -or [string]::IsNullOrWhiteSpace($Application.Executable)) {
        throw 'Codex Windows App manifest does not contain an executable entry.'
    }

    $Executable = Join-Path $Package.InstallLocation ([string]$Application.Executable)
    if (-not (Test-Path -LiteralPath $Executable)) {
        throw "Codex Windows App executable was not found: $Executable"
    }

    [PSCustomObject]@{
        AppUserModelId = "$($Package.PackageFamilyName)!$([string]$Application.Id)"
        Executable     = $Executable
    }
}

function Assert-CodexNotRunning {
    param(
        [Parameter(Mandatory)]
        [string]$Executable
    )

    $RunningProcess = Get-CimInstance Win32_Process -ErrorAction SilentlyContinue |
        Where-Object { $_.ExecutablePath -eq $Executable } |
        Select-Object -First 1

    if ($null -ne $RunningProcess) {
        throw 'Codex уже запущен. Полностью закройте приложение и повторно откройте ярлык Codex Proxy.'
    }
}

function Start-CodexApplication {
    param(
        [Parameter(Mandatory)]
        [string]$AppUserModelId,

        [Parameter(Mandatory)]
        [string]$Arguments
    )

    if (-not ('CodexProxyLauncher.ApplicationActivationManager' -as [type])) {
        Add-Type -TypeDefinition @'
using System;
using System.Runtime.InteropServices;

namespace CodexProxyLauncher
{
    [Flags]
    public enum ActivateOptions : uint
    {
        None = 0
    }

    [ComImport]
    [Guid("2e941141-7f97-4756-ba1d-9decde894a3d")]
    [InterfaceType(ComInterfaceType.InterfaceIsIUnknown)]
    public interface IApplicationActivationManager
    {
        [PreserveSig]
        int ActivateApplication(
            [MarshalAs(UnmanagedType.LPWStr)] string appUserModelId,
            [MarshalAs(UnmanagedType.LPWStr)] string arguments,
            ActivateOptions options,
            out uint processId);
    }

    [ComImport]
    [Guid("45BA127D-10A8-46EA-8AB7-56EA9078943C")]
    public class ApplicationActivationManager
    {
    }

    public static class ApplicationActivator
    {
        public static uint Activate(string appUserModelId, string arguments)
        {
            IApplicationActivationManager manager =
                (IApplicationActivationManager)new ApplicationActivationManager();

            uint processId;
            int hResult = manager.ActivateApplication(
                appUserModelId,
                arguments,
                ActivateOptions.None,
                out processId);

            Marshal.ThrowExceptionForHR(hResult);
            return processId;
        }
    }
}
'@
    }

    [CodexProxyLauncher.ApplicationActivator]::Activate(
        $AppUserModelId,
        $Arguments
    )
}

$CodexApplication = Get-CodexApplication
Assert-CodexNotRunning -Executable $CodexApplication.Executable

$CodexArguments = "--proxy-server=${HttpProxy} --proxy-bypass-list=${ProxyBypassList}"
Start-CodexApplication `
    -AppUserModelId $CodexApplication.AppUserModelId `
    -Arguments $CodexArguments |
    Out-Null