# requires -version 5.1
# kb_bootpack_acceptance_v1.3.ps1
# Lecture-seule. Vérifie cohérence BootPack ↔ KB (SHA, entrées, blocages).
# ASCII-only; UTF-8 BOM; no here-strings; no ternary.
param(
  [Parameter(Mandatory=$true)][string]$Root
)

function Get-Sha256Hex([string]$Path) { (Get-FileHash -LiteralPath $Path -Algorithm SHA256).Hash }
function Read-All([string]$Path) { Get-Content -LiteralPath $Path -Raw }

# ---- Self-check (PS5.1): interdire '? :' hors chaînes/commentaires ----
$__scriptPath = $MyInvocation.MyCommand.Definition
$__src = Read-All -Path $__scriptPath
$__noComments = [regex]::Replace($__src, '(?m)#.*$', '')
$__masked = [regex]::Replace($__noComments, "('[^']*')", "''")
$__masked = [regex]::Replace($__masked, '("(?:[^"`]|`".)*")', '""')
if($__masked -match '\?\s*:'){
  Write-Host "[FAIL] STYLE_GUARD_PS51: opérateur ternaire détecté dans ce script." -ForegroundColor Red
  exit 2
}

$bootPack = Join-Path $Root 'bootpack\bootpack.txt'
$kbFile   = Join-Path $Root 'bug_kb\BUG_KB.json.txt'
$idxFile  = Join-Path $Root 'rules\KB_BLOCKING_INDEX__docdigest_latest.txt'

if(-not (Test-Path -LiteralPath $bootPack)){ Write-Host "[FAIL] BootPack introuvable: $bootPack"; exit 2 }
if(-not (Test-Path -LiteralPath $kbFile)){ Write-Host "[FAIL] KB introuvable: $kbFile"; exit 2 }

$bp = Read-All -Path $bootPack
$ptrPath = ""
$ptrShaNote = ""
$entriesNote = -1

$lines = $bp -split "`r?`n"
$inPtr = $false
foreach($ln in $lines){
  if($ln -match '^\s*\[BUG_KB_JSON_POINTER\]\s*$'){ $inPtr = $true; continue }
  if($inPtr){
    if($ln -match '^\s*\['){ break }
    if($ln -match '^\s*Path\s*=\s*(.+)\s*$'){ $ptrPath = $Matches[1].Trim() }
    elseif($ln -match '^\s*SHA256\s*=\s*([0-9A-Fa-f]{64})\s*$'){ $ptrShaNote = $Matches[1].ToUpper() }
    elseif($ln -match '^\s*Entries\s*=\s*(\d+)\s*$'){ $entriesNote = [int]$Matches[1] }
  }
}

$ptrExists = $false
$ptrShaMatch = $false
$jsonEntries = 0
$blockingCount = 0

$kbSha = Get-Sha256Hex -Path $kbFile

if(-not [string]::IsNullOrWhiteSpace($ptrPath)){
  if(Test-Path -LiteralPath $ptrPath){ $ptrExists = $true }
}

if($ptrShaNote -ne ""){
  if($kbSha.ToUpper() -eq $ptrShaNote){ $ptrShaMatch = $true }
}

Get-Content -LiteralPath $kbFile | ForEach-Object {
  $t = $_.Trim()
  if($t -match '^\{.*\}\s*$'){ $jsonEntries = $jsonEntries + 1 }
  if($t -match '"blocking"\s*:\s*true'){ $blockingCount = $blockingCount + 1 }
}

Write-Output ("entries={0}|blocking={1}|ptr_exists={2}|ptr_sha_match={3}|ptr_entries_note={4}|json_entries={5}" -f `
  $jsonEntries, $blockingCount, $ptrExists, $ptrShaMatch, $entriesNote, $jsonEntries)