<?php

namespace App\Http\Controllers\Admin;

use App\Constants\Status;
use App\Http\Controllers\Controller;
use App\Models\BalanceTransfer;
use App\Models\Beneficiary;
use App\Models\Branch;
use App\Models\Deposit;
use App\Models\Dps;
use App\Models\Fdr;
use App\Models\Loan;
use App\Models\NotificationLog;
use App\Models\Transaction;
use App\Models\User;
use App\Models\Withdrawal;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Auth;
use Illuminate\Support\Facades\Validator;

class ManageUsersController extends Controller
{

    public function allUsers()
    {
        $pageTitle = 'All Users';
        $users     = $this->userData();
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function activeUsers()
    {
        $pageTitle = 'Active Users';
        $users     = $this->userData('active');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function bannedUsers()
    {
        $pageTitle = 'Banned Users';
        $users     = $this->userData('banned');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function emailUnverifiedUsers()
    {
        $pageTitle = 'Email Unverified Users';
        $users     = $this->userData('emailUnverified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function kycVerifiedUsers()
    {
        $pageTitle = 'KYC Unverified Users';
        $users     = $this->userData('kycVerified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }
    public function kycUnverifiedUsers()
    {
        $pageTitle = 'KYC Unverified Users';
        $users     = $this->userData('kycUnverified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function kycPendingUsers()
    {
        $pageTitle = 'KYC Unverified Users';
        $users     = $this->userData('kycPending');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function emailVerifiedUsers()
    {
        $pageTitle = 'Email Verified Users';
        $users     = $this->userData('emailVerified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function mobileUnverifiedUsers()
    {
        $pageTitle = 'Mobile Unverified Users';
        $users     = $this->userData('mobileUnverified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function mobileVerifiedUsers()
    {
        $pageTitle = 'Mobile Verified Users';
        $users     = $this->userData('mobileVerified');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    public function usersWithBalance()
    {
        $pageTitle = 'Users with Balance';
        $users     = $this->userData('withBalance');
        return view('admin.users.list', compact('pageTitle', 'users'));
    }

    protected function userData($scope = null)
    {
        if ($scope) {
            $users = User::$scope();
        } else {
            $users = User::query();
        }
        $request = request();
        if ($request->search) {
            $users->searchable(['username', 'firstname', 'lastname', 'email', 'mobile', 'country_code', 'account_number']);
        }

        if ($request->branch) {
            $users->where('branch_id', $request->branch);
        }

        if ($request->staff) {
            $users->where('branch_staff_id', $request->staff);
        }

        return $users->with('branch:id,name', 'branchStaff')->orderBy('id', 'desc')->paginate(getPaginate());
    }

    public function detail($id)
    {
        $user      = User::findOrFail($id);
        $countries = json_decode(file_get_contents(resource_path('views/partials/country.json')));
        $pageTitle = 'User Detail - ' . $user->username;

        $widget['total_deposit']       = Deposit::successful()->where('user_id', $user->id)->sum('amount');
        $widget['total_withdrawn']     = Withdrawal::approved()->where('user_id', $user->id)->sum('amount');
        $widget['total_transferred']   = BalanceTransfer::completed()->where('user_id', $user->id)->sum('amount');
        $widget['total_loan']          = Loan::approved()->where('user_id', $user->id)->count();
        $widget['total_fdr']           = Fdr::where('user_id', $user->id)->count();
        $widget['total_dps']           = Dps::where('user_id', $user->id)->count();
        $widget['total_beneficiaries'] = Beneficiary::where('user_id', $user->id)->count();

        return view('admin.users.detail', compact('pageTitle', 'user', 'countries', 'widget'));
    }

    public function kycDetails($id)
    {
        $pageTitle = 'KYC Details';
        $user      = User::findOrFail($id);
        return view('admin.users.kyc_detail', compact('pageTitle', 'user'));
    }

    public function kycApprove($id)
    {
        $user     = User::findOrFail($id);
        $user->kv = Status::KYC_VERIFIED;
        $user->save();

        notify($user, 'KYC_APPROVE', []);
        $notify[] = ['success', 'KYC approved successfully'];
        return to_route('admin.users.kyc.pending')->withNotify($notify);
    }

    public function kycReject($id)
    {
        $user = User::findOrFail($id);

        foreach ($user->kyc_data as $kycData) {
            if ($kycData->type == 'file') {
                fileManager()->removeFile(getFilePath('verify') . '/' . $kycData->value);
            }
        }
        $user->kv       = Status::KYC_UNVERIFIED;
        $user->kyc_data = null;
        $user->save();

        notify($user, 'KYC_REJECT', []);

        $notify[] = ['success', 'KYC rejected successfully'];
        return to_route('admin.users.kyc.pending')->withNotify($notify);
    }

    public function update(Request $request, $id)
    {
        $user         = User::findOrFail($id);
        $countryData  = json_decode(file_get_contents(resource_path('views/partials/country.json')));
        $countryArray = (array) $countryData;
        $countries    = implode(',', array_keys($countryArray));

        $countryCode = $request->country;
        $country     = $countryData->$countryCode->country;
        $dialCode    = $countryData->$countryCode->dial_code;

        $request->validate([
            'firstname' => 'required|string|max:40',
            'lastname'  => 'required|string|max:40',
            'email'     => 'required|email|string|max:40|unique:users,email,' . $user->id,
            'mobile'    => 'required|string|max:40|unique:users,mobile,' . $user->id,
            'country'   => 'required|in:' . $countries,
        ]);

        $user->mobile       = $dialCode . $request->mobile;
        $user->country_code = $countryCode;
        $user->firstname    = $request->firstname;
        $user->lastname     = $request->lastname;
        $user->email        = $request->email;

        $user->address = [
            'address' => $request->address,
            'city'    => $request->city,
            'state'   => $request->state,
            'zip'     => $request->zip,
            'country' => @$country,
        ];

        $user->ev = $request->ev ? Status::VERIFIED : Status::UNVERIFIED;
        $user->sv = $request->sv ? Status::VERIFIED : Status::UNVERIFIED;
        $user->ts = $request->ts ? Status::ENABLE : Status::DISABLE;

        if (!$request->kv) {
            $user->kv = Status::KYC_UNVERIFIED;
            if ($user->kyc_data) {
                foreach ($user->kyc_data as $kycData) {
                    if ($kycData->type == 'file') {
                        fileManager()->removeFile(getFilePath('verify') . '/' . $kycData->value);
                    }
                }
            }
            $user->kyc_data = null;
        } else {
            $user->kv = Status::KYC_VERIFIED;
        }

        $user->save();

        $notify[] = ['success', 'User details updated successfully'];
        return back()->withNotify($notify);
    }

    public function addSubBalance(Request $request, $id)
    {
        $request->validate([
            'amount' => 'required|numeric|gt:0',
            'act'    => 'required|in:add,sub',
            'remark' => 'required|string|max:255',
        ]);

        $user   = User::findOrFail($id);
        $amount = $request->amount;
        $trx    = getTrx();

        $transaction = new Transaction();

        if ($request->act == 'add') {
            $user->balance += $amount;
            $transaction->trx_type = '+';
            $transaction->remark   = 'balance_add';
            $notifyTemplate        = 'BAL_ADD';
            $notify[]              = ['success', gs('cur_sym') . $amount . ' added successfully'];
        } else {
            if ($amount > $user->balance) {
                $notify[] = ['error', $user->username . ' doesn\'t have sufficient balance.'];
                return back()->withNotify($notify);
            }
            $user->balance -= $amount;
            $transaction->trx_type = '-';
            $transaction->remark   = 'balance_subtract';
            $notifyTemplate        = 'BAL_SUB';

            $notify[] = ['success', gs('cur_sym') . $amount . ' subtracted successfully'];
        }

        $user->save();

        $transaction->user_id      = $user->id;
        $transaction->amount       = $amount;
        $transaction->post_balance = $user->balance;
        $transaction->charge       = 0;
        $transaction->trx          = $trx;
        $transaction->details      = $request->remark;
        $transaction->save();
        notify($user, $notifyTemplate, [
            'trx'          => $trx,
            'amount'       => showAmount($amount),
            'remark'       => $request->remark,
            'post_balance' => showAmount($user->balance),
        ]);
        return back()->withNotify($notify);
    }

    public function login($id)
    {
        Auth::loginUsingId($id);
        return to_route('user.home');
    }

    public function status(Request $request, $id)
    {
        $user = User::findOrFail($id);

        if ($user->status == Status::USER_ACTIVE) {
            $request->validate([
                'reason' => 'required|string|max:255',
            ]);
            $user->status     = Status::USER_BAN;
            $user->ban_reason = $request->reason;
            $notify[]         = ['success', 'User banned successfully'];
        } else {
            $user->status     = Status::USER_ACTIVE;
            $user->ban_reason = null;
            $notify[]         = ['success', 'User unbanned successfully'];
        }
        $user->save();
        return back()->withNotify($notify);
    }

    public function showNotificationSingleForm($id)
    {
        $user    = User::findOrFail($id);

        if (!gs('en') && !gs('sn')) {
            $notify[] = ['warning', 'Notification options are disabled currently'];
            return to_route('admin.users.detail', $user->id)->withNotify($notify);
        }
        $pageTitle = 'Send Notification to ' . $user->username;
        return view('admin.users.notification_single', compact('pageTitle', 'user'));
    }

    public function sendNotificationSingle(Request $request, $id)
    {
        $request->validate([
            'message' => 'required|string',
            'subject' => 'required|string',
        ]);

        $user = User::findOrFail($id);
        notify($user, 'DEFAULT', [
            'subject' => $request->subject,
            'message' => $request->message,
        ]);
        $notify[] = ['success', 'Notification sent successfully'];
        return back()->withNotify($notify);
    }

    public function showNotificationAllForm()
    {
        if (!gs('en') && !gs('sn')) {
            $notify[] = ['warning', 'Notification options are disabled currently'];
            return to_route('admin.dashboard')->withNotify($notify);
        }
        $notifyToUser = User::notifyToUser();
        $users        = User::active()->count();
        $pageTitle    = 'Notification to Verified Users';
        $branches     = Branch::orderBy('name')->get();
        return view('admin.users.notification_all', compact('pageTitle', 'users', 'notifyToUser','branches'));
    }

    public function sendNotificationAll(Request $request)
    {
        $validator = Validator::make($request->all(), [
            'message'                      => 'required',
            'subject'                      => 'required',
            'start'                        => 'required',
            'batch'                        => 'required',
            'being_sent_to'                => 'required',
            'user'                         => 'required_if:being_sent_to,selectedUsers',
            'branch'                       => 'required_if:being_sent_to,branchUsers',
            'number_of_top_deposited_user' => 'required_if:being_sent_to,topDepositedUsers|integer|gte:0',
            'number_of_days'               => 'required_if:being_sent_to,notLoginUsers|integer|gte:0',
        ], [
            'number_of_days.required_if'               => "Number of days field is required",
            'number_of_top_deposited_user.required_if' => "Number of top deposited user field is required",
        ]);

        if ($validator->fails()) return response()->json(['error' => $validator->errors()->all()]);
        $scope = $request->being_sent_to;
        $users = User::oldest()->active()->$scope()->skip($request->start)->limit($request->batch)->get();

        foreach ($users as $user) {
            notify($user, 'DEFAULT', [
                'subject' => $request->subject,
                'message' => $request->message,
            ]);
        }
        return response()->json([
            'total_sent' => $users->count(),
        ]);
    }

    public function notificationLog($id)
    {
        $user      = User::findOrFail($id);
        $pageTitle = 'Notifications Sent to ' . $user->username;
        $logs      = NotificationLog::where('user_id', $id)->with('user')->orderBy('id', 'desc')->paginate(getPaginate());
        return view('admin.reports.notification_history', compact('pageTitle', 'logs', 'user'));
    }

    public function beneficiaries($id)
    {
        $user          = User::findOrFail($id);
        $pageTitle     = 'Beneficiaries of ' . $user->username;
        $beneficiaries = Beneficiary::where('user_id', $id)->latest()->with('user', 'beneficiaryOf')->paginate(getPaginate());
        return view('admin.users.beneficiaries', compact('pageTitle', 'beneficiaries'));
    }

    public function list()
    {
        $query = User::active();

        if (request()->search) {
            $query->where(function ($q) {
                $q->where('email', 'like', '%' . request()->search . '%')->orWhere('username', 'like', '%' . request()->search . '%');
            });
        }
        $users = $query->orderBy('id', 'desc')->paginate(getPaginate());
        return response()->json([
            'success' => true,
            'users'   => $users,
            'more'    => $users->hasMorePages()
        ]);
    }
}
