<?php

namespace App\Http\Controllers\Api\Service\Concerns;

use App\Http\Services\vCenter;
use App\Jobs\VirtualMachine\ChangeVmPasswordJob;
use App\Models\Os;
use App\Services\VmProvisionService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Validation\Rule;

trait ManagesVmAccess
{
    private const CLICK_LABELS = [
        'snapshot' => 'Snapshot',
        'change-password' => 'Đổi mật khẩu',
        'change-ip' => 'Đổi IP',
        'change-port' => 'Đổi Remote Port',
        'renew' => 'Gia hạn',
        'console' => 'Truy cập console',
        'rebuild' => 'Rebuild máy chủ',
        'addons' => 'Addons',
    ];

    public function actionClick(Request $request): JsonResponse
    {
        $data = $request->validate([
            'product' => 'required',
            'action' => ['required', 'string', Rule::in(array_keys(self::CLICK_LABELS))],
        ]);

        $vm = $this->resolveVmById($data['product'], $request);
        if ($vm instanceof JsonResponse) {
            return $vm;
        }

        $this->activityLogger->log(
            event: 'click_' . str_replace('-', '_', $data['action']),
            logName: 'VM',
            description: "Customer {$request->user()->email} bấm \"" . self::CLICK_LABELS[$data['action']] . "\" trên VM: {$vm->name} (ID: {$vm->vmware_id})",
            subject: $vm,
            newValues: ['action' => $data['action']],
        );

        return response()->json(['success' => true]);
    }

    public function consoleTicket(Request $request, vCenter $serviceVCenter): JsonResponse
    {
        $productId = $request->get('product');
        if (!$productId) {
            return response()->json(['error' => true, 'message' => 'Please choose product']);
        }

        $vm = $this->resolveVmById($productId, $request);
        if ($vm instanceof JsonResponse) {
            return $vm;
        }

        $result = $this->getConsoleTicket($serviceVCenter, $vm);
        if ($result instanceof JsonResponse) {
            return $result;
        }

        $this->activityLogger->log(
            event: 'console_access',
            logName: 'VM',
            description: "Customer {$request->user()->email} truy cập console VM: {$vm->name} (ID: {$vm->vmware_id})",
            subject: $vm,
            newValues: ['product_id' => $productId, 'vm_name' => $vm->name],
        );

        return response()->json([
            'error' => false,
            'data' => $result['data'],
        ]);
    }

    /**
     * POST /v1/system/vm-change-password
     *
     * Body: { product, current_password, new_password }
     * Dispatches ChangeVmPasswordJob — returns immediately, runs async.
     */
    public function changePassword(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'product'          => ['required'],
            'current_password' => ['required', 'string'],
            'new_password'     => ['required', 'string', 'min:12', 'max:64', 'regex:/^[A-Za-z0-9!@#^*_+=?.,:~]+$/'],
        ]);

        $vm = $this->resolveVmById($validated['product'], $request);
        if ($vm instanceof JsonResponse) {
            return $vm;
        }

        // ponytail: don't release — lock expires after 5 min while the async job runs
        $lock = $this->acquireVmLock($vm, 300);
        if (!$lock) {
            return $this->vmLocked();
        }

        // Detect OS family from VM's os_id record
        $os          = $vm->os_id ? Os::with('osGroup')->find($vm->os_id) : null;
        $osGroupName = strtolower($os?->osGroup?->name ?? '');
        $osFamily    = str_contains($osGroupName, 'windows')
            ? VmProvisionService::OS_WINDOWS
            : VmProvisionService::OS_LINUX;

        ChangeVmPasswordJob::dispatch(
            $vm->id,
            $vm->vmware_id,
            $osFamily,
            $validated['new_password'],
            $validated['current_password'],
        );

        $this->activityLogger->log(
            event: 'change_password',
            logName: 'VM',
            description: "Customer {$request->user()->email} yêu cầu đổi mật khẩu VM: {$vm->name}",
            subject: $vm,
            newValues: ['os_family' => $osFamily],
        );

        return response()->json([
            'success' => true,
            'message' => 'Yêu cầu đổi mật khẩu đã được ghi nhận. Hệ thống sẽ xử lý trong vài phút.',
        ]);
    }
}