# ============================================
# safe_replace_registry_merge.ps1 — SAFE-REPLACE consolidé (2025-10-17)
# ============================================
param(
    [switch]$Preview
)

$SourceDir = "$PSScriptRoot"
$TargetDir = "\\DS-918\chatgpt\ChatGPT-Gouvernance-Projets\_registry"

$Files = @(
    "INDEX_GOUVERNANCE_GLOBAL",
    "XREF_MEMORY_LINKS",
    "TRANSCRIPT_REF"
)

Write-Host "=== SAFE-REPLACE (mode $([string]::Join('',$(if($Preview){'PREVIEW'}else{'LIVE'})))) ==="

foreach ($Base in $Files) {
    $src = Join-Path $SourceDir "$($Base)_MERGED.txt"
    $dst = Join-Path $TargetDir "$($Base).txt"
    $bak = "$dst.$(Get-Date -Format 'yyyyMMdd_HHmmss').bak"

    if (-not (Test-Path $src)) {
        Write-Warning "Fichier source introuvable : $src"
        continue
    }

    Write-Host "`n[PLAN] $src -> $dst"
    Write-Host "        sauvegarde : $bak"

    if ($Preview) { continue }

    $confirm = Read-Host "Confirmer la copie ? (O/N)"
    if ($confirm -ne 'O' -and $confirm -ne 'o') {
        Write-Host "  > Skippé."
        continue
    }

    if (Test-Path $dst) {
        Copy-Item $dst $bak -Force
        Write-Host "  > Sauvegarde : $bak"
    }

    Copy-Item $src $dst -Force
    Write-Host "  > Copie effectuée : $dst"
}

Write-Host "`n[OK] SAFE-REPLACE terminé."
# ============================================
# 🧩 Version : 1.0
# 📅 Date de génération : 2025-10-17