<#
.SYNOPSIS
  Wstrzykuje "kotwice fixa" do ver_1.519.zip.

.DESCRIPTION
  ver_1.519.zip oryginalnie zawiera tylko class.Articles.php.
  Dodaje do niego:
   - autoload/class.S.php z ver_1.518.zip (juz patched, https://)
   - autoload/admin/factory/class.Update.php z ver_1.517.zip (juz patched, https://)

  Cel: kazda nowa instalacja cmsPRO przechodzaca update do 1.519 dostaje
  klient HTTPS dla mechanizmu wykrywania nowych wersji.
#>

[CmdletBinding()]
param(
  [string]$UpdatesDir = "C:\visual studio code\projekty\cmsPRO\updates"
)

$ErrorActionPreference = "Stop"
Add-Type -AssemblyName System.IO.Compression.FileSystem

$Target  = Join-Path $UpdatesDir '1.50\ver_1.519.zip'
$SrcS    = Join-Path $UpdatesDir '1.50\ver_1.518.zip'
$SrcUpd  = Join-Path $UpdatesDir '1.50\ver_1.517.zip'

# Backup target (oddzielny od standardowego .bak po patch-packages.ps1)
$bak = "$Target.preanchor.bak"
if (-not (Test-Path $bak)) {
  Copy-Item -LiteralPath $Target -Destination $bak -Force
  Write-Host "Backup utworzony: $bak" -ForegroundColor Cyan
}

function Read-EntryBytes {
  param([string]$ZipPath, [string]$EntryName)
  $zip = [System.IO.Compression.ZipFile]::OpenRead($ZipPath)
  try {
    $entry = $zip.Entries | Where-Object { $_.FullName.Replace('\','/') -eq $EntryName } | Select-Object -First 1
    if (-not $entry) { throw "Entry not found: $EntryName in $ZipPath" }
    $stream = $entry.Open()
    $ms = New-Object System.IO.MemoryStream
    $stream.CopyTo($ms)
    $stream.Close()
    return $ms.ToArray()
  } finally {
    $zip.Dispose()
  }
}

function Add-EntryFromBytes {
  param([string]$ZipPath, [string]$EntryName, [byte[]]$Content)
  $zip = [System.IO.Compression.ZipFile]::Open($ZipPath, [System.IO.Compression.ZipArchiveMode]::Update)
  try {
    # remove existing if present
    $existing = $zip.Entries | Where-Object { $_.FullName.Replace('\','/') -eq $EntryName } | Select-Object -First 1
    if ($existing) { $existing.Delete() }
    $newEntry = $zip.CreateEntry($EntryName, [System.IO.Compression.CompressionLevel]::Optimal)
    $stream = $newEntry.Open()
    $stream.Write($Content, 0, $Content.Length)
    $stream.Close()
  } finally {
    $zip.Dispose()
  }
}

# 1. Read source files
Write-Host "Czytam autoload/class.S.php z ver_1.518.zip..." -ForegroundColor Cyan
$bytesS = Read-EntryBytes -ZipPath $SrcS -EntryName 'autoload/class.S.php'
Write-Host "  -> $($bytesS.Length) bytes"

Write-Host "Czytam autoload/admin/factory/class.Update.php z ver_1.517.zip..." -ForegroundColor Cyan
$bytesUpd = Read-EntryBytes -ZipPath $SrcUpd -EntryName 'autoload/admin/factory/class.Update.php'
Write-Host "  -> $($bytesUpd.Length) bytes"

# 2. Verify they contain https:// (sanity check)
$strS   = [System.Text.Encoding]::UTF8.GetString($bytesS)
$strUpd = [System.Text.Encoding]::UTF8.GetString($bytesUpd)
if ($strS -match 'http://www\.cmspro\.project-dc\.pl' -or $strS -notmatch 'https://www\.cmspro\.project-dc\.pl') {
  throw "class.S.php z ver_1.518.zip nie jest patched (nadal ma http:// lub brak URL)"
}
if ($strUpd -match 'http://www\.cmspro\.project-dc\.pl' -or $strUpd -notmatch 'https://www\.cmspro\.project-dc\.pl') {
  throw "class.Update.php z ver_1.517.zip nie jest patched"
}
Write-Host "Sanity check OK: oba pliki maja https://" -ForegroundColor Green

# 3. Inject into ver_1.519.zip
Write-Host "Wstrzykuje do ver_1.519.zip..." -ForegroundColor Cyan
Add-EntryFromBytes -ZipPath $Target -EntryName 'autoload/class.S.php' -Content $bytesS
Add-EntryFromBytes -ZipPath $Target -EntryName 'autoload/admin/factory/class.Update.php' -Content $bytesUpd

# 4. Verify
Write-Host "Weryfikacja..." -ForegroundColor Cyan
$zip = [System.IO.Compression.ZipFile]::OpenRead($Target)
$entries = $zip.Entries | ForEach-Object { $_.FullName.Replace('\','/') }
$zip.Dispose()

$ok = $true
foreach ($req in @('autoload/class.S.php', 'autoload/admin/factory/class.Update.php', 'autoload/admin/controls/class.Articles.php')) {
  if ($entries -contains $req) {
    Write-Host "  [OK] $req"
  } else {
    Write-Host "  [MISSING] $req" -ForegroundColor Red
    $ok = $false
  }
}

# Re-check no http://
$rezip = [System.IO.Compression.ZipFile]::OpenRead($Target)
foreach ($e in $rezip.Entries) {
  $n = $e.FullName.Replace('\','/')
  if ($n -in @('autoload/class.S.php', 'autoload/admin/factory/class.Update.php')) {
    $r = New-Object System.IO.StreamReader($e.Open())
    $c = $r.ReadToEnd(); $r.Close()
    if ($c -match 'http://www\.cmspro\.project-dc\.pl') {
      Write-Host "  [BUGGY] $n nadal ma http://" -ForegroundColor Red
      $ok = $false
    } else {
      Write-Host "  [HTTPS] $n czyste" -ForegroundColor Green
    }
  }
}
$rezip.Dispose()

if ($ok) {
  $sha = (Get-FileHash -Algorithm SHA256 -Path $Target).Hash.ToLower()
  Write-Host ""
  Write-Host "ver_1.519.zip jest teraz kotwica fixa." -ForegroundColor Green
  Write-Host "  SHA256: $sha"
} else {
  Write-Host "Wystapily problemy - sprawdz reczny." -ForegroundColor Red
  exit 1
}