Set-StrictMode -Version Latest
$ErrorActionPreference = "Stop"

$repoRoot = (Resolve-Path (Join-Path $PSScriptRoot "..")).ProviderPath
$configPath = (Resolve-Path (Join-Path $repoRoot "include/config.h")).ProviderPath
$mqttPath = (Resolve-Path (Join-Path $repoRoot "src/mqtt_client.cpp")).ProviderPath

$configText = Get-Content -Raw -Path $configPath
if ($configText -notmatch 'HA_MANUFACTURER\[\]\s*=\s*"AcidBurns"\s*;') {
  throw "include/config.h must define HA_MANUFACTURER as exactly ""AcidBurns""."
}

$mqttText = Get-Content -Raw -Path $mqttPath
if ($mqttText -notmatch 'device\["manufacturer"\]\s*=\s*HA_MANUFACTURER\s*;') {
  throw "src/mqtt_client.cpp must assign device[""manufacturer""] from HA_MANUFACTURER."
}
if ($mqttText -match 'device\["manufacturer"\]\s*=\s*"[^"]+"\s*;') {
  throw "src/mqtt_client.cpp must not hardcode manufacturer string literals."
}

$roots = @(
  Join-Path $repoRoot "src"
  Join-Path $repoRoot "include"
)

$literalHits = Get-ChildItem -Path $roots -Recurse -File -Include *.c,*.cc,*.cpp,*.h,*.hpp |
  Select-String -Pattern '"AcidBurns"' |
  Where-Object { (Resolve-Path $_.Path).ProviderPath -ne $configPath }

if ($literalHits) {
  $details = $literalHits | ForEach-Object {
    "$($_.Path):$($_.LineNumber)"
  }
  throw "Unexpected hardcoded ""AcidBurns"" literal(s) outside include/config.h:`n$($details -join "`n")"
}

Write-Host "HA manufacturer drift check passed."