<?php

namespace App\Http\Controllers\Admin;

use App\DB\Te\TableEngine;
use App\Http\Controllers\Controller;
use App\Models\SmsLedger;
use App\Models\SmsSendLog;
use App\Services\SmsBilling\SmsWalletService;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

class SmsPanelController extends Controller
{
    public function overview()
    {
        $wallet = app(SmsWalletService::class)->getWallet();

        $monthStart = Carbon::now()->startOfMonth();

        $monthStats = SmsSendLog::query()
            ->where('created_at', '>=', $monthStart)
            ->selectRaw('COALESCE(SUM(parts), 0) as total_parts, COALESCE(SUM(total_amount), 0) as total_amount, COUNT(*) as total_messages')
            ->first();

        $todayStats = SmsSendLog::query()
            ->whereDate('created_at', Carbon::today())
            ->selectRaw('COALESCE(SUM(parts), 0) as total_parts, COALESCE(SUM(total_amount), 0) as total_amount, COUNT(*) as total_messages')
            ->first();

        return response()->json([
            'wallet' => [
                'balance' => (int) $wallet->balance,
                'price_per_part' => (int) $wallet->price_per_part,
                'is_blocked' => (bool) $wallet->is_blocked,
                'alert_days_sent' => (int) $wallet->alert_days_sent,
                'last_alert_date' => $wallet->last_alert_date?->toDateString(),
            ],
            'deposit' => SmsWalletService::getDepositInfo(),
            'stats' => [
                'today' => [
                    'parts' => (int) ($todayStats->total_parts ?? 0),
                    'amount' => (int) ($todayStats->total_amount ?? 0),
                    'messages' => (int) ($todayStats->total_messages ?? 0),
                ],
                'month' => [
                    'parts' => (int) ($monthStats->total_parts ?? 0),
                    'amount' => (int) ($monthStats->total_amount ?? 0),
                    'messages' => (int) ($monthStats->total_messages ?? 0),
                ],
            ],
        ]);
    }

    /**
     * خلاصه سبک کیف پول برای نمایش «اعتبار پیامک» در هدر؛ برای همه ادمین‌ها.
     */
    public function walletSummary()
    {
        if (! SmsWalletService::isBillingEnabled()) {
            return response()->json([
                'enabled' => false,
                'balance' => 0,
                'is_blocked' => false,
                'deposit' => SmsWalletService::getDepositInfo(),
            ]);
        }

        $balance = 0;
        $isBlocked = false;

        if (SmsWalletService::isBillingOperational()) {
            $wallet = app(SmsWalletService::class)->getWallet();
            $balance = (int) $wallet->balance;
            $isBlocked = (bool) $wallet->is_blocked;
        }

        return response()->json([
            'enabled' => true,
            'balance' => $balance,
            'is_blocked' => $isBlocked,
            'deposit' => SmsWalletService::getDepositInfo(),
        ]);
    }

    /**
     * ویرایش اطلاعات واریز (کارت/شبا/نام/متن) — فقط سوپرادمین پنل پیامک.
     */
    public function updateDepositInfo(Request $request)
    {
        $data = $request->validate([
            'card_number' => 'nullable|string|max:50',
            'sheba' => 'nullable|string|max:50',
            'account_holder' => 'nullable|string|max:191',
            'note' => 'nullable|string|max:2000',
        ]);

        $deposit = SmsWalletService::setDepositInfo($data);

        return response()->json([
            'message' => 'اطلاعات واریز به‌روزرسانی شد.',
            'deposit' => $deposit,
        ]);
    }

    public function charge(Request $request)
    {
        $data = $request->validate([
            'amount' => 'required|integer|min:1',
            'note' => 'nullable|string|max:500',
        ]);

        $wallet = app(SmsWalletService::class)->charge(
            (int) $data['amount'],
            auth()->id(),
            $data['note'] ?? null
        );

        return response()->json([
            'message' => 'کیف پول با موفقیت شارژ شد.',
            'balance' => (int) $wallet->balance,
        ]);
    }

    public function updatePrice(Request $request)
    {
        $data = $request->validate([
            'price_per_part' => 'required|integer|min:0',
        ]);

        $wallet = app(SmsWalletService::class)->updatePricePerPart((int) $data['price_per_part']);

        return response()->json([
            'message' => 'قیمت هر پارت به‌روزرسانی شد.',
            'price_per_part' => (int) $wallet->price_per_part,
        ]);
    }

    public function updateBlock(Request $request)
    {
        $data = $request->validate([
            'is_blocked' => 'required|boolean',
        ]);

        $wallet = app(SmsWalletService::class)->setBlocked((bool) $data['is_blocked']);

        return response()->json([
            'message' => $wallet->is_blocked ? 'ارسال پیامک مسدود شد.' : 'ارسال پیامک فعال شد.',
            'is_blocked' => (bool) $wallet->is_blocked,
        ]);
    }

    public function logsTable(Request $request)
    {
        $records = SmsSendLog::query()->orderByDesc('id');

        if ($request->filled('from_date')) {
            $records->whereDate('created_at', '>=', $request->input('from_date'));
        }

        if ($request->filled('to_date')) {
            $records->whereDate('created_at', '<=', $request->input('to_date'));
        }

        $table = TableEngine::create($records, $request->all())
            ->initSearch(['receiver', 'body', 'provider', 'source'])
            ->select([
                'id',
                'receiver',
                'body',
                'parts',
                'price_per_part',
                'total_amount',
                'provider',
                'source',
                'is_alert',
                'created_at',
            ]);

        return response()->json($table->export());
    }

    public function ledgerTable(Request $request)
    {
        $records = SmsLedger::query()->orderByDesc('id');

        if ($request->filled('from_date')) {
            $records->whereDate('created_at', '>=', $request->input('from_date'));
        }

        if ($request->filled('to_date')) {
            $records->whereDate('created_at', '<=', $request->input('to_date'));
        }

        $table = TableEngine::create($records, $request->all())
            ->initSearch(['type', 'note'])
            ->select([
                'id',
                'type',
                'amount',
                'balance_after',
                'price_per_part',
                'parts',
                'note',
                'created_by',
                'created_at',
            ]);

        return response()->json($table->export());
    }

    public function report(Request $request)
    {
        $from = $request->input('from_date', Carbon::now()->startOfMonth()->toDateString());
        $to = $request->input('to_date', Carbon::now()->toDateString());

        $summary = SmsSendLog::query()
            ->whereDate('created_at', '>=', $from)
            ->whereDate('created_at', '<=', $to)
            ->selectRaw('COALESCE(SUM(parts), 0) as total_parts, COALESCE(SUM(total_amount), 0) as total_amount, COUNT(*) as total_messages')
            ->first();

        $byProvider = SmsSendLog::query()
            ->whereDate('created_at', '>=', $from)
            ->whereDate('created_at', '<=', $to)
            ->select('provider', DB::raw('COUNT(*) as messages'), DB::raw('SUM(parts) as parts'), DB::raw('SUM(total_amount) as amount'))
            ->groupBy('provider')
            ->get();

        $wallet = app(SmsWalletService::class)->getWallet();

        return response()->json([
            'from_date' => $from,
            'to_date' => $to,
            'balance' => (int) $wallet->balance,
            'summary' => [
                'parts' => (int) ($summary->total_parts ?? 0),
                'amount' => (int) ($summary->total_amount ?? 0),
                'messages' => (int) ($summary->total_messages ?? 0),
            ],
            'by_provider' => $byProvider,
        ]);
    }

    public function chargeReport(Request $request)
    {
        $request->validate([
            'from_date' => 'nullable|date',
            'to_date' => 'nullable|date',
        ]);

        $baseQuery = SmsLedger::query()->where('type', SmsWalletService::TYPE_CHARGE);

        if ($request->filled('from_date')) {
            $baseQuery->whereDate('created_at', '>=', $request->input('from_date'));
        }

        if ($request->filled('to_date')) {
            $baseQuery->whereDate('created_at', '<=', $request->input('to_date'));
        }

        $summary = (clone $baseQuery)
            ->selectRaw('COUNT(*) as total_charges, COALESCE(SUM(amount), 0) as total_amount')
            ->first();

        $items = (clone $baseQuery)
            ->orderByDesc('created_at')
            ->select([
                'id',
                'amount',
                'balance_after',
                'note',
                'created_by',
                'created_at',
            ])
            ->get();

        return response()->json([
            'from_date' => $request->input('from_date'),
            'to_date' => $request->input('to_date'),
            'summary' => [
                'charges' => (int) ($summary->total_charges ?? 0),
                'amount' => (int) ($summary->total_amount ?? 0),
            ],
            'items' => $items,
        ]);
    }
}