<?php

namespace App\Http\Controllers\Admin;

use App\DB\Te\TableEngine;
use App\Models\Customer;
use App\Models\Message;
use App\Models\Order;
use Illuminate\Http\Request;
use App\Http\Controllers\Controller;
use App\Services\ConfigService;
use App\Services\SmsProfanityFilter;
use Symfony\Component\HttpKernel\Exception\UnprocessableEntityHttpException;


class MassageController extends Controller
{
    public function send_message(Request $request)
    {
        if($this->Config('group_sms') == 'false'){
            throw new UnprocessableEntityHttpException('پیامک گروهی غیرفعال است.');
        }
        // یافتن مشتریان با شماره‌های داده شده
        $customers = Customer::whereIn('mobile', $request->numbers)->get();

        $filter = app(SmsProfanityFilter::class);
        $filter->assertClean((string) ($request->message ?? ''));

        foreach ($customers as $customer) {
            // جایگزین کردن نام در پیام
            $message = str_replace('%name%', $customer->name, $request->message);

            // ارسال پیامک
            $this->send($customer->mobile, $message);
        }

        return response()->json(true);
   }

    /**
     * پیامک تکی به یک مشتری — فقط وقتی customer_direct_sms روشن باشد.
     */
    public function send_customer_message(Request $request)
    {
        if (! app(ConfigService::class)->getBool('customer_direct_sms', false)) {
            throw new UnprocessableEntityHttpException('ارسال پیامک تکی به مشتری غیرفعال است.');
        }

        $customerId = (int) ($request->input('customer_id') ?? 0);
        $rawMessage = trim((string) ($request->input('message') ?? ''));

        if ($customerId <= 0) {
            throw new UnprocessableEntityHttpException('مشتری مشخص نشده است.');
        }
        if ($rawMessage === '') {
            throw new UnprocessableEntityHttpException('متن پیامک خالی است.');
        }
        if (mb_strlen($rawMessage) > 700) {
            throw new UnprocessableEntityHttpException('متن پیامک بیش از حد طولانی است.');
        }

        app(SmsProfanityFilter::class)->assertClean($rawMessage);

        $customer = Customer::find($customerId);
        if (! $customer || ! $customer->mobile) {
            throw new UnprocessableEntityHttpException('مشتری یا شماره موبایل یافت نشد.');
        }

        $cfg = app(ConfigService::class);
        $appName = (string) ($cfg->get('name_fa', '') ?: '');
        $appUrl = $cfg->resolvePublicSiteUrl($request);

        $message = str_replace(
            ['%name%', '%نام%', '%app_name%', '%نام_اپ%', '%app_url%', '%لینک_اپ%', '%لینک%'],
            [
                (string) $customer->name,
                (string) $customer->name,
                $appName,
                $appName,
                $appUrl,
                $appUrl,
                $appUrl,
            ],
            $rawMessage
        );

        $this->send($customer->mobile, $message);

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

    public function getFunctionDescriptions()
    {

        return response()->json([
            [
                'function' => 'getAllCustomers',
                'name' => 'همه کاربران',
            ],
            [
                'function' => 'getNoLoginCustomers',
                'name' => 'کاربران وارد نشده',
            ],
            [
                'function' => 'getNoValidCustomers',
                'name' => 'کاربران احراز نشده',
            ],
            [
                'function' => 'getActiveCustomers',
                'name' => 'کاربران فعال',
            ],
        ]);
    }

    public function getCustomerList(Request $request)
    {
        $customers = [];
        foreach ($request->functions as $action) {
            if ($action === 'getAllCustomers') {
                $customers = array_merge($customers, $this->getAllCustomers());
            }
            if ($action === 'getNoLoginCustomers') {
                $customers = array_merge($customers, $this->getNoLoginCustomers());
            }
            if ($action === 'getNoValidCustomers') {
                $customers = array_merge($customers, $this->getNoValidCustomers());
            }
            if ($action === 'getActiveCustomers') {
                $customers = array_merge($customers, $this->getActiveCustomers());
            }
        }
        // حذف شماره‌های تکراری
        $uniqueCustomers = $this->removeDuplicateNumbers($customers);

        return response()->json(['customers' => $uniqueCustomers]);
    }
    public function getCustomerListTable(Request $request)
    {
        $customers = [];
        foreach ($request->functions as $action) {
            if ($action === 'getAllCustomers') {
                $customers = array_merge($customers, $this->getAllCustomers());
            }
            if ($action === 'getNoLoginCustomers') {
                $customers = array_merge($customers, $this->getNoLoginCustomers());
            }
            if ($action === 'getNoValidCustomers') {
                $customers = array_merge($customers, $this->getNoValidCustomers());
            }
            if ($action === 'getActiveCustomers') {
                $customers = array_merge($customers, $this->getActiveCustomers());
            }
        }
        // Remove duplicate numbers
        $uniqueCustomers = $this->removeDuplicateNumbers($customers);
        $uniqueCustomersCollection = collect($uniqueCustomers);

        $records = Customer::whereIn('id', $uniqueCustomersCollection->pluck('id'));
        // Initialize TableEngine
        TableEngine::create($records, $request->all())
            ->initSearch(['customer.name'])
            ->select([
                'id','mobile', 'name'
            ])
            ->export($records);

        return response()->json($records);

    }

    private function getAllCustomers()
    {
        return Customer::where('type', 2)
            ->where('is_archive', false)
            ->get(['id', 'name', 'mobile'])
            ->toArray();
    }

    private function getNoLoginCustomers()
    {
        return Customer::where('type', 2)
            ->where('is_archive', false)
            ->whereNull('last_seen_at')
            ->get(['id', 'name', 'mobile'])
            ->toArray();
    }

    private function getNoValidCustomers()
    {
        return Customer::where('type', 2)
            ->where('is_archive', false)
            ->where('is_legal', 0)
            ->get(['id', 'name', 'mobile'])
            ->toArray();
    }

    private function getActiveCustomers()
    {
        return Customer::where('type', 2)
            ->where('is_archive', false)
            ->whereIn('id', function ($query) {
                $query->select('owner')
                    ->from('wallets');
            })
            ->get(['id', 'name', 'mobile'])
            ->toArray();
    }

    private function removeDuplicateNumbers(array $customers)
    {
        $uniqueCustomers = [];
        $seenNumbers = [];

        foreach ($customers as $customer) {
            if (!in_array($customer['mobile'], $seenNumbers)) {
                $seenNumbers[] = $customer['mobile'];
                $uniqueCustomers[] = $customer;
            }
        }

        return $uniqueCustomers;
    }

    public function messagesTable(Request $request)
    {
        $records = Message::with(['person']);
        $table = TableEngine::create($records, $request->all())
            ->initSearch([])
            ->select([
                'id', 'sms', 'receiver','created_at',
            ]);
        return response()->json($table->export());
    }

    /**
     * Display a listing of the messages.
     */
    public function index()
    {
        $messages = Message::all();
        return response()->json($messages);
    }

    /**
     * Store a newly created message in storage.
     */
    public function store(Request $request)
    {
        $request->validate([
            'sms' => 'required|string',
            'receiver' => 'required|string',
        ]);

        $message = Message::create($request->only(['sms', 'receiver']));

        return response()->json($message, 201);
    }

    /**
     * Display the specified message.
     */
    public function show($id)
    {
        $message = Message::findOrFail($id);
        return response()->json($message);
    }

    /**
     * Update the specified message in storage.
     */
    public function update(Request $request, $id)
    {
        $request->validate([
            'sms' => 'sometimes|required|string',
            'receiver' => 'sometimes|required|string',
        ]);

        $message = Message::findOrFail($id);
        $message->update($request->only(['sms', 'receiver']));

        return response()->json($message);
    }

    /**
     * Remove the specified message from storage.
     */
    public function destroy($id)
    {
        $message = Message::findOrFail($id);
        $message->delete();

        return response()->json(null, 204);
    }

}