$ErrorActionPreference = 'Stop'
$base = 'http://192.168.110.96:8301/api/cockpit/v1'
$results = @()
foreach ($endpoint in @('map-snapshot?pageSize=1000', 'monitoring/overview', 'monitoring/distribution?pageSize=1000')) {
    try {
        $response = Invoke-WebRequest -Uri "$base/$endpoint" -UseBasicParsing -TimeoutSec 25
        $body = $response.Content | ConvertFrom-Json
        $data = $body.data
        $emptyBucket = @($data.pointStatusDistribution | Where-Object { $_.status -eq 'EMPTY' })
        $results += [pscustomobject]@{
            endpoint = $endpoint
            httpStatus = [int]$response.StatusCode
            businessCode = $body.code
            monitoringPointCount = $data.counts.monitoringPointCount
            pagePointCount = if ($null -eq $data.monitoringPoints) { $null } else { @($data.monitoringPoints).Count }
            pagePointCodes = if ($null -eq $data.monitoringPoints) { @() } else { @($data.monitoringPoints | ForEach-Object { $_.pointCode }) }
            total = $data.pagination.total
            hasMore = $data.pagination.hasMore
            emptyCount = if ($emptyBucket.Count -eq 1) { $emptyBucket[0].count } else { $null }
            excluded = $data.excluded
            freshness = $data.freshness
            unrenderablePagePoints = @($data.monitoringPoints | Where-Object { $_.coordinateValidation.renderable -eq $false }).Count
            unassociatedPageCount = if ($null -eq $data.unassociatedEquipment) { $null } else { @($data.unassociatedEquipment).Count }
        }
    } catch {
        $results += [pscustomobject]@{ endpoint = $endpoint; error = $_.Exception.Message }
    }
}
$output = [pscustomobject]@{
    observedAt = (Get-Date -Format o)
    baseUrl = $base
    method = 'GET only; no authentication, restart or mutation'
    results = $results
}
$artifact = Join-Path $PSScriptRoot 'artifacts/t28/live-readonly-verification.json'
New-Item -ItemType Directory -Force -Path (Split-Path $artifact) | Out-Null
$output | ConvertTo-Json -Depth 12 | Set-Content -LiteralPath $artifact -Encoding utf8
$output | ConvertTo-Json -Depth 12