# Tải QPDF prebuilt (qpdf/qpdf release MSVC x64) cho Windows
# và đặt qpdf.exe + DLL phụ thuộc vào qpdf/bin/ ở gốc workspace.
#
# Dùng: powershell -ExecutionPolicy Bypass -File scripts/fetch-qpdf.ps1

$ErrorActionPreference = "Stop"
$root = Split-Path -Parent $PSScriptRoot
$qpdfDir = Join-Path $root "qpdf"
$tmp = Join-Path $env:TEMP "qpdf-win-msvc64.zip"

Write-Output "Tra cuu release moi nhat cua qpdf/qpdf..."
$release = Invoke-RestMethod -Uri "https://api.github.com/repos/qpdf/qpdf/releases/latest" -UseBasicParsing
$asset = $release.assets | Where-Object { $_.name -like "*msvc64.zip" } | Select-Object -First 1
if (-not $asset) { throw "Khong tim thay asset msvc64.zip trong release $($release.tag_name)" }

Write-Output "Tai $($asset.name) (tu release $($release.tag_name))..."
Invoke-WebRequest -Uri $asset.browser_download_url -OutFile $tmp -UseBasicParsing

$extractDir = Join-Path $env:TEMP "qpdf-extract"
if (Test-Path $extractDir) { Remove-Item -Recurse -Force $extractDir }
Expand-Archive -Path $tmp -DestinationPath $extractDir -Force

$binSrc = Get-ChildItem -Path $extractDir -Recurse -Directory -Filter "bin" | Select-Object -First 1
if (-not $binSrc) { throw "Khong tim thay thu muc bin/ sau khi giai nen" }

New-Item -ItemType Directory -Force -Path (Join-Path $qpdfDir "bin") | Out-Null
Copy-Item (Join-Path $binSrc.FullName "*.exe") (Join-Path $qpdfDir "bin") -Force
Copy-Item (Join-Path $binSrc.FullName "*.dll") (Join-Path $qpdfDir "bin") -Force

$exe = Join-Path $qpdfDir "bin\qpdf.exe"
if (-not (Test-Path $exe)) { throw "Khong tim thay qpdf.exe sau khi copy ($exe)" }
& $exe --version
Write-Output "Xong. qpdf.exe da dat tai: $exe"