<?php

namespace App\Http\Controllers\APIS\AdminApi;

use App\Http\Controllers\Controller;
use App\Models\Asset;
use App\Models\Customer;
use App\Models\Device;
use App\Services\AdminService;
use Illuminate\Container\Attributes\Log;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Http;

class AdminDashboardController extends Controller
{
    protected $adminService;

    public function __construct(AdminService $adminService)
    {
        $this->adminService = $adminService;
    }


    public function adminDashboard()
{
    try {
        $totalCustomers = Customer::count();
        $totalAssets = Asset::count();
        $totalDevices = Device::count();

        $customers = Customer::select('name', 'country', 'state', 'city')->get();

        $token = $this->adminService->getToken();
        $activeDevices = 0;
        $inactiveDevices = 0;
        $activeAlarmsCount = 0;
        $warningAlarmsCount = 0;
        $criticalAlarmsCount = 0;

        if ($token) {
            $baseUrl = env('THINGSBOARD_URL');
            $deviceIds = Device::pluck('id')->toArray();

            foreach ($deviceIds as $deviceId) {
                $response = Http::withHeaders([
                    'Authorization' => "Bearer $token",
                    'Accept' => 'application/json',
                ])->get("$baseUrl/api/device/info/{$deviceId}");

                if ($response->successful()) {
                    $deviceInfo = $response->json();
                    $deviceInfo['active'] ? $activeDevices++ : $inactiveDevices++;
                } else {
                    $inactiveDevices++;
                }
            }

            $alarmsResponse = Http::withHeaders([
                'Authorization' => "Bearer $token",
                'Accept' => 'application/json',
            ])->get("$baseUrl/api/v2/alarms", [
                'pageSize' => 1000,
                'page' => 0,
                'status' => 'ACTIVE'
            ]);

            if ($alarmsResponse->successful()) {
                $alarmsData = $alarmsResponse->json();
                $activeAlarmsCount = $alarmsData['totalElements'] ?? 0;

                if (isset($alarmsData['data'])) {
                    foreach ($alarmsData['data'] as $alarm) {
                        $severity = strtoupper($alarm['severity'] ?? '');
                        if ($severity === 'CRITICAL') {
                            $criticalAlarmsCount++;
                        } elseif ($severity === 'WARNING') {
                            $warningAlarmsCount++;
                        }
                    }
                }
            }
        }

        return response()->json([
            'success' => true,
            'total_customers' => $totalCustomers,
            'total_assets' => $totalAssets,
            'devices' => [
                'total_devices' => $totalDevices,
                'active_devices' => $activeDevices,
                'inactive_devices' => $inactiveDevices,
            ],
            'alarms' => [
                'total_active' => $activeAlarmsCount,
                'warning' => $warningAlarmsCount,
                'critical' => $criticalAlarmsCount,
                'other' => $activeAlarmsCount - ($warningAlarmsCount + $criticalAlarmsCount)
            ],
            'customers' => $customers,
        ]);

    } catch (\Exception $e) {
        return response()->json([
            'success' => false,
            'message' => 'Failed to fetch dashboard statistics',
            'error' => $e->getMessage()
        ], 500);
    }
}

}