<?php

namespace App\Services;

class VmMetricsService
{
    public function __construct(private readonly PortalMonitorClient $portalMonitor)
    {
    }

    public function get(string $vmwareId, ?int $memoryTotalMb = null, ?int $cpuCores = null): array
    {
        $stats = $this->portalMonitor->vmMetrics($vmwareId);
        $storage = $this->portalMonitor->vmStorage($vmwareId);
        $provisionedDiskBytes = collect($storage['disks'] ?? [])->sum(
            fn ($disk) => is_array($disk) ? (int) ($disk['capacity_bytes'] ?? 0) : 0
        );
        $diskSummary = is_array($storage['summary'] ?? null) ? $storage['summary'] : [];

        return [
            'cpu_usage_percent' => $stats['cpu_usage_percent'] ?? null,
            'cpu_cores' => $cpuCores,
            'cpu_mhz' => $stats['cpu_mhz'] ?? null,
            'cpu_ready_ms' => $stats['cpu_ready_ms'] ?? null,
            'mem_usage_percent' => $stats['guest_memory_usage_percent'] ?? null,
            'mem_usage_mb' => $stats['memory_active_mb'] ?? null,
            'mem_consumed_mb' => $stats['memory_consumed_mb'] ?? null,
            'mem_total_mb' => $memoryTotalMb,
            'disk_read_bps' => $stats['disk_read_bps'] ?? null,
            'disk_write_bps' => $stats['disk_write_bps'] ?? null,
            'disk_latency_ms' => $stats['disk_latency_ms'] ?? null,
            'disk_total_bytes' => $diskSummary['total_bytes'] ?? ($provisionedDiskBytes ?: null),
            'disk_used_bytes' => $diskSummary['used_bytes'] ?? null,
            'disk_usage_percent' => $diskSummary['usage_percent'] ?? null,
            'network_rx_bps' => $stats['network_rx_bps'] ?? null,
            'network_tx_bps' => $stats['network_tx_bps'] ?? null,
            'timestamp' => $stats['timestamp'] ?? null,
            'stale' => (bool) ($stats['stale'] ?? false),
        ];
    }
}