<?php

namespace App\Http\Services\vCenter\Concerns;

use App\Support\TlsHttpClientFactory;
use Illuminate\Support\Facades\Log;
use Exception;

trait UpgradesVirtualMachine
{
    public function UpgradeMemoryVirtualMachine($vmware_id = '', $ram = 0): array|string
    {
        $check = $this->client->checkApiExits();

        if ($check) {
            $RAMConfig = [
                "spec" => [
                    "size_MiB" => $ram * 1024,
                ]
            ];
            $response = TlsHttpClientFactory::vCenter()
                ->withHeaders([
                    'vmware-api-session-id' => $this->client->token
                ])
                ->patch("https://{$this->client->apiUri}/rest/vcenter/vm/$vmware_id/hardware/memory", $RAMConfig);

            if ($response->status() === 200) {
                return [
                    'error' => false,
                    'data' => 'success'
                ];
            }
            return [
                'error' => true,
                'data' => $response['value']
            ];
        }
        return "Login_Again";
    }

    public function UpgradeCPUVirtualMachine($vmware_id = '', $cpu = 0): array|string
    {
        $check = $this->client->checkApiExits();

        if ($check) {
            $CPUConfig = [
                "spec" => [
                    "cores_per_socket" => 1,
                    "count" => $cpu
                ]
            ];
            $response = TlsHttpClientFactory::vCenter()
                ->withHeaders([
                    'vmware-api-session-id' => $this->client->token
                ])
                ->patch("https://{$this->client->apiUri}/rest/vcenter/vm/$vmware_id/hardware/cpu", $CPUConfig);

            if ($response->status() === 200) {
                return [
                    'error' => false,
                    'data' => 'success'
                ];
            }
            return [
                'error' => true,
                'data' => $response['value']
            ];
        }
        return "Login_Again";
    }

    public function UpgradeDiskVirtualMachine($product, $disk = 0): array|string
    {
        $vmware_id = $product->vmware_id;
        $check = $this->client->checkApiExits();
        if ($check) {
            try {
                Log::channel('Custom')->info("===================================================================");
                Log::channel('Custom')->info("Upgrade Disk with VirtualMachine ID # - $vmware_id");
                Log::channel('Custom')->info("\r\n");

                $Command = "\$vm = 'VirtualMachine-$vmware_id'; \$disksize = $disk; cd /; C:\CLISave\diskresize.ps1;";

                Log::channel('Custom')->info("$Command");

                $this->powerShellService->executePowerCLI($Command);

                Log::channel('Custom')->info("\r\n");
                Log::channel('Custom')->info("After run Command |" . now());
                Log::channel('Custom')->info("===================================================================");

                return [
                    'error' => false
                ];
            } catch (\Exception $error) {
                Log::channel('Custom')->info("\r\n");
                Log::channel('Custom')->info("===================================================================");
                Log::channel('Custom')->info("Error Log: ");
                Log::channel('Custom')->info($error->getMessage());
                Log::channel('Custom')->info("===================================================================");
                return [
                    'error' => true,
                    'message' => $error->getMessage()
                ];
            }
        }
        return "Login_Again";
    }

    private function updateVMHardware($vmId, $addon, $base_cpu, $base_ram): void
    {
        try {
            Log::info("=== BẮT ĐẦU CẬP NHẬT ADDON ===");

            $new_cpu = $base_cpu + $addon['cpu'];
            $new_ram_mib = ($base_ram + $addon['ram']) * 1024;

            if ($addon['cpu'] > 0) {
                $this->updateVMCPU($vmId, $new_cpu);
            }

            if ($addon['ram'] > 0) {
                $this->updateVMMemory($vmId, $new_ram_mib);
            }

            Log::info("=== HOÀN THÀNH CẬP NHẬT ADDON ===");
        } catch (Exception $e) {
            Log::error("❌ Lỗi khi cập nhật cấu hình phần cứng VM {$vmId}: " . $e->getMessage());
        }
    }

    private function updateVMCPU($vmId, $cpuCount): bool
    {
        try {
            $coresPerSocket = 1;
            if ($cpuCount > 1) {
                $maxCoresPerSocket = floor($cpuCount / 2);
                for ($i = $maxCoresPerSocket; $i >= 1; $i--) {
                    if ($cpuCount % $i === 0) {
                        $coresPerSocket = $i;
                        break;
                    }
                }
                if ($coresPerSocket === 1 && $cpuCount > 2) {
                    $coresPerSocket = $cpuCount;
                }
            }

            $payload = [
                'spec' => [
                    'count' => $cpuCount,
                    'cores_per_socket' => $coresPerSocket,
                    'hot_add_enabled' => true
                ]
            ];
            $response = TlsHttpClientFactory::vCenter()
                ->timeout(30)
                ->withHeaders([
                    'vmware-api-session-id' => $this->client->token,
                    'Content-Type' => 'application/json',
                ])
                ->patch("https://{$this->client->apiUri}/rest/vcenter/vm/{$vmId}/hardware/cpu", $payload);

            if ($response->successful()) {
                Log::info("✅ API call cập nhật CPU thành công cho VM {$vmId}");
                return true;
            } else {
                Log::error("❌ API call cập nhật CPU thất bại cho VM {$vmId}", [
                    'status' => $response->status(),
                    'response' => $response->body()
                ]);
                return false;
            }
        } catch (Exception $e) {
            Log::error("❌ Exception khi cập nhật CPU cho VM {$vmId}: " . $e->getMessage());
            return false;
        }
    }

    private function updateVMMemory($vmId, $ramSizeMB): bool
    {
        try {
            $payload = [
                'spec' => [
                    'size_MiB' => $ramSizeMB
                ]
            ];

            $response = TlsHttpClientFactory::vCenter()
                ->timeout(30)
                ->withHeaders([
                    'vmware-api-session-id' => $this->client->token,
                    'Content-Type' => 'application/json',
                ])
                ->patch("https://{$this->client->apiUri}/rest/vcenter/vm/{$vmId}/hardware/memory", $payload);

            if ($response->successful()) {
                Log::info("✅ API call cập nhật RAM thành công cho VM {$vmId}");
                return true;
            } else {
                Log::error("❌ API call cập nhật RAM thất bại cho VM {$vmId}", [
                    'status' => $response->status(),
                    'response' => $response->body()
                ]);
                return false;
            }
        } catch (Exception $e) {
            Log::error("❌ Exception khi cập nhật RAM cho VM {$vmId}: " . $e->getMessage());
            return false;
        }
    }
}