# Run after `npm run tauri build`. Copies OpenSSL DLLs next to the release exe and builds dist-portable/ for distribution.
# NSIS cannot be re-run without Tauri's plugin path; use dist-portable or install OpenSSL on target PCs.

$ErrorActionPreference = "Stop"

function Get-OpenSslBinDir {
    if ($env:OPENSSL_ROOT) {
        $b = Join-Path $env:OPENSSL_ROOT "bin"
        if (Test-Path (Join-Path $b "libcrypto-3-x64.dll")) { return $b }
    }
    foreach ($p in @(
        "C:\Program Files\OpenSSL-Win64\bin",
        "C:\Program Files (x86)\OpenSSL-Win64\bin"
    )) {
        if (Test-Path (Join-Path $p "libcrypto-3-x64.dll")) { return $p }
    }
    return $null
}

$ProjectRoot = Split-Path -Parent $PSScriptRoot
$ReleaseDir = Join-Path $ProjectRoot "src-tauri\target\release"
$PortableDir = Join-Path $ProjectRoot "dist-portable"

if (-not (Test-Path $ReleaseDir)) {
    Write-Host "ERROR: $ReleaseDir not found. Run npm run tauri build first." -ForegroundColor Red
    exit 1
}

$sslBin = Get-OpenSslBinDir
if (-not $sslBin) {
    Write-Host "ERROR: libcrypto-3-x64.dll not found." -ForegroundColor Red
    Write-Host "Install OpenSSL Win64 FULL from https://slproweb.com/products/Win32OpenSSL.html or set OPENSSL_ROOT."
    exit 1
}

$crypto = Join-Path $sslBin "libcrypto-3-x64.dll"
$sslDll = Join-Path $sslBin "libssl-3-x64.dll"
if (-not (Test-Path $sslDll)) {
    Write-Host "ERROR: libssl-3-x64.dll missing in $sslBin" -ForegroundColor Red
    exit 1
}

Copy-Item $crypto $ReleaseDir -Force
Copy-Item $sslDll $ReleaseDir -Force
Write-Host "Copied OpenSSL DLLs to $ReleaseDir"

$mainExe = Get-ChildItem $ReleaseDir -Filter "*.exe" -File -ErrorAction SilentlyContinue |
    Sort-Object Length -Descending |
    Select-Object -First 1

if (-not $mainExe) {
    Write-Host "WARN: No main exe found in release root; skipped dist-portable." -ForegroundColor Yellow
    exit 0
}

New-Item -ItemType Directory -Path $PortableDir -Force | Out-Null
Copy-Item $mainExe.FullName $PortableDir -Force
Copy-Item $crypto $PortableDir -Force
Copy-Item $sslDll $PortableDir -Force

$readme = @(
    "Buff client (portable folder)",
    "",
    "Copy EVERY file in this folder to the same directory on the target PC, then run the exe.",
    "Do not copy only the exe; OpenSSL DLLs are required.",
    "",
    "Files:",
    "  - $($mainExe.Name)",
    "  - libcrypto-3-x64.dll",
    "  - libssl-3-x64.dll"
) -join [Environment]::NewLine
Set-Content -Path (Join-Path $PortableDir "README-portable.txt") -Value $readme -Encoding UTF8

Write-Host ""
Write-Host "Portable folder ready: $PortableDir" -ForegroundColor Green
Write-Host "Distribute the entire dist-portable directory (exe + 2 dlls + README-portable.txt)."