<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Helpers\LegacyEncryption;
use Illuminate\Http\Request;
use Illuminate\Http\JsonResponse;
use Illuminate\Support\Facades\DB;

/**
 * متحكم إدارة السائقين للمسؤولين (Admin Driver Management Controller)
 * 
 * الغرض من الملف:
 * إدارة حسابات السائقين من قبل طاقم الإدارة، بما في ذلك تفعيل السائقين الجدد، البحث عنهم، وإضافتهم للنظام.
 * 
 * كيفية العمل:
 * 1. يسمح بالبحث عن السائقين برقم الهاتف أو الرقم الوطني.
 * 2. يتيح للمسؤول تفعيل أو إلغاء تفعيل حساب السائق.
 * 3. يدير إضافة السيارات للسائقين والملاحظات الإدارية عليهم.
 */
class DriverManagementController extends Controller
{
    private LegacyEncryption $enc;

    public function __construct(LegacyEncryption $enc) { $this->enc = $enc; }

    /** GET /v2/admin/drivers?status=waiting&page=1 */
    public function index(Request $request): JsonResponse
    {
        $status = $request->input('status', 'notDeleted');
        $page = (int) $request->input('page', 1);
        $limit = min((int) $request->input('limit', 20), 100);

        $drivers = DB::connection('ride')->table('driver')
            ->where('status', $status)
            ->orderBy('created_at', 'desc')
            ->skip(($page - 1) * $limit)->take($limit)
            ->get();

        // Decrypt fields
        $drivers = $drivers->map(function ($d) {
            $arr = (array) $d;
            return $this->enc->decryptFields($arr, ['first_name', 'last_name', 'phone', 'email', 'national_number']);
        });

        $total = DB::connection('ride')->table('driver')->where('status', $status)->count();

        return response()->json([
            'status' => 'success',
            'data' => $drivers,
            'pagination' => ['page' => $page, 'limit' => $limit, 'total' => $total],
        ]);
    }

    /** GET /v2/admin/drivers/search?phone=XXX */
    public function search(Request $request): JsonResponse
    {
        $phone = $request->input('phone');
        $national = $request->input('national_number');

        $query = DB::connection('ride')->table('driver');

        if ($phone) {
            $encPhone = $this->enc->encrypt($phone);
            $query->where('phone', $encPhone);
        }
        if ($national) {
            $encNat = $this->enc->encrypt($national);
            $query->where('national_number', $encNat);
        }

        $driver = $query->first();
        if (!$driver) {
            return response()->json(['status' => 'failure', 'message' => 'Driver not found'], 404);
        }

        $data = $this->enc->decryptFields((array) $driver, ['first_name', 'last_name', 'phone', 'email', 'national_number', 'address']);
        unset($data['password'], $data['api_secret']);

        // Attach car info
        $car = DB::connection('ride')->table('CarRegistration')
            ->where('driverID', $driver->id)->where('isDefault', 1)->first();
        $data['car'] = $car ? $this->enc->decryptFields((array) $car, ['car_plate', 'owner']) : null;

        // Attach documents
        $docs = DB::connection('ride')->table('driver_documents')
            ->where('driverID', $driver->id)->get();
        $data['documents'] = $docs;

        return response()->json(['status' => 'success', 'data' => $data]);
    }

    /** POST /v2/admin/drivers/{id}/activate */
    public function activate(Request $request, string $driverId): JsonResponse
    {
        DB::connection('ride')->table('driver')
            ->where('id', $driverId)->update(['status' => 'notDeleted']);
        DB::connection('tracking')->table('driver')
            ->where('id', $driverId)->update(['status' => 'notDeleted']);
        DB::connection('primary')->table('driver')
            ->where('id', $driverId)->update(['status' => 'notDeleted']);

        return response()->json(['status' => 'success', 'message' => 'Driver activated']);
    }

    /** POST /v2/admin/drivers/{id}/deactivate */
    public function deactivate(Request $request, string $driverId): JsonResponse
    {
        $reason = $request->input('reason', 'Admin deactivation');

        DB::connection('ride')->table('driver')
            ->where('id', $driverId)->update(['status' => 'Deleted']);
        DB::connection('tracking')->table('driver')
            ->where('id', $driverId)->update(['status' => 'Deleted']);

        // Add to blacklist
        DB::connection('ride')->table('blacklist_driver')->insert([
            'driver_id' => $driverId,
            'phone' => '',
            'reason' => $reason,
            'created_at' => now(),
        ]);

        return response()->json(['status' => 'success', 'message' => 'Driver deactivated']);
    }

    /** POST /v2/admin/drivers/{id}/add-car */
    public function addCar(Request $request, string $driverId): JsonResponse
    {
        $request->validate([
            'car_plate' => 'required|string',
            'make' => 'required|string',
            'model' => 'required|string',
            'year' => 'required|string',
            'color' => 'required|string',
        ]);

        $data = [
            'driverID' => $driverId,
            'vin' => $request->input('vin', ''),
            'car_plate' => $this->enc->encrypt($request->input('car_plate')),
            'make' => $request->input('make'),
            'model' => $request->input('model'),
            'year' => $request->input('year'),
            'expiration_date' => $request->input('expiration_date', ''),
            'color' => $request->input('color'),
            'owner' => $this->enc->encrypt($request->input('owner', '')),
            'color_hex' => $request->input('color_hex', ''),
            'fuel' => $request->input('fuel', ''),
            'isDefault' => 1,
            'created_at' => now(),
            'status' => 'yet',
        ];

        // Insert in all 3 databases
        DB::connection('ride')->table('CarRegistration')->insert($data);
        DB::connection('tracking')->table('CarRegistration')->insert($data);
        DB::connection('primary')->table('CarRegistration')->insert($data);

        return response()->json(['status' => 'success'], 201);
    }

    /** POST /v2/admin/drivers/{id}/notes */
    public function addNote(Request $request, string $driverId): JsonResponse
    {
        $request->validate(['note' => 'required|string|max:250']);

        // Get driver phone
        $driver = DB::connection('ride')->table('driver')->where('id', $driverId)->first();
        $phone = $driver ? $this->enc->decrypt($driver->phone) : '';

        DB::connection('primary')->table('notesForDriverService')->updateOrInsert(
            ['phone' => $phone],
            [
                'note' => $request->input('note'),
                'editor' => $request->input('editor', 'admin'),
                'createdAt' => now(),
            ]
        );

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