<?php

namespace App\Http\Controllers;

use App\Models\ConfigWallet;
use App\Models\Identification;
use App\Models\Network;
use App\Models\NetworksAgent;
use App\Models\TransfertCommissionTransaction;
use App\Models\UsersGroup;
use App\Models\UsersGroupsDemandesValidation;
use App\Models\Wallet;
use App\Models\WalletTransaction;
use App\Traits\ApiResponser;
use App\Traits\Helper;
use Illuminate\Http\Request;
use App\Models\User;
use Illuminate\Http\Response;
use Illuminate\Support\Facades\Date;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Mail;

class NanoCreditController extends Controller
{
    use ApiResponser;
    use Helper;

    /**
     * Create a new controller instance.
     *
     * @return void
     */
    public function __construct()
    {
        //
    }

    public function createGroup(Request $request)
    {
        $group = new UsersGroup();
        $this->validate($request, [
            'id_user' => 'required|integer|min:0|not_in:0',
            'nom' => 'required',
            'code_sponsor1' => 'required',
            'code_sponsor2' => 'required',
            'code_sponsor3' => 'required',
            'password' => 'required',
            'limite_credit' => 'required|numeric|min:0|not_in:0',

        ]);

        $user = User::findOrFail($request->id_user);
        if (!$this->checkPassword($request->password, $user->encrypted_password, $user->salt))
            return $this->errorResponse(trans('messages.incorrect_user_password'));

        $group->fill($request->all());
        // Envoyer des codes sponsors differents
        //Check sponsor 1
        $resp1 = $this->checkSponsorIdentification($request->code_sponsor1, 1);
        if (is_numeric($resp1))
            $group->id_sponsor1 = $resp1;
        else
            return $resp1;

        //Check sponsor 2
        $resp2 = $this->checkSponsorIdentification($request->code_sponsor2, 2);
        if (is_numeric($resp2))
            $group->id_sponsor2 = $resp2;
        else
            return $resp2;

        //Check sponsor 3
        $resp3 = $this->checkSponsorIdentification($request->code_sponsor3, 3);
        if (is_numeric($resp3))
            $group->id_sponsor3 = $resp3;
        else
            return $resp3;

        $group->id_createur = $request->id_user;
        $group->date_creation = new \DateTime();
        $group->nombre_validation = 0;
        $group->actif = false;
        $group->valide = false;
        $group->save();

        $this->sendNotificationToSponsor($group->id, $group->id_sponsor1);
        $this->sendNotificationToSponsor($group->id, $group->id_sponsor2);
        $this->sendNotificationToSponsor($group->id, $group->id_sponsor3);

        return $this->successResponse(trans('messages.successful_user_group_created'));

    }

    public function validateGroup(Request $request)
    {
        $this->validate($request, [
            'id_demande' => 'required|integer|min:0|not_in:0',
            'id_user' => 'required|integer|min:0|not_in:0'
        ]);
        $demande = UsersGroupsDemandesValidation::findOrFail($request->id_demande);
        if ($demande->statut == 1)
            return $this->errorResponse(trans('errors.treated_group_demand'));

        if ($demande->id_sponsor != $request->id_user)
            return $this->errorResponse(trans('errors.not_group_sponsor'));

        $group = UsersGroup::findOrFail($demande->id_group);
        if (!in_array($demande->id_sponsor, [$group->id_sponsor1, $group->id_sponsor2, $group->id_sponsor3]))
            return $this->errorResponse(trans('errors.not_group_sponsor'));

        if ($group->actif)
            return $this->errorResponse(trans('errors.group_already_activated'));

        ++$group->nombre_validation;
        if ($group->nombre_validation == 3) {
            $group->actif = true;
            $group->date_activation = new \DateTime();
            $group->code_groupe = $this->getGroupID();
            $group->createur->group_id = $group->id;
            $group->sponsor1->group_id = $group->id;
            $group->sponsor2->group_id = $group->id;
            $group->sponsor3->group_id = $group->id;
            $group->createur->save();
            $group->sponsor1->save();
            $group->sponsor2->save();
            $group->sponsor3->save();
        }
        $group->save();
        $demande->statut = true;
        $demande->date_validation = new \DateTime();
        $demande->save();
        // Create credit and epargne account
        return $this->successResponse(trans_choice('messages.successful_group_validation', 3 - $group->nombre_validation, ['count' => (3 - $group->nombre_validation)]));

    }

    public function updateGroup(Request $request)
    {
        $this->validate($request, [
            'code_groupe' => 'required',
            'code_sponsor1' => 'required',
            'code_sponsor2' => 'required',
            'code_sponsor3' => 'required',
            'password' => 'required',
            'limite_credit' => 'required|numeric|min:0|not_in:0',
        ]);
        $group = UsersGroup::where('code_groupe', $request->code_groupe)->firstOrFail();
        $user = User::findOrFail($group->id_createur);
        if (!$this->checkPassword($request->password, $user->encrypted_password, $user->salt))
            return $this->errorResponse(trans('messages.incorrect_user_password'));

        $sponsor1 = User::where('user_code', $request->code_sponsor1)->firstOrFail();
        $sponsor2 = User::where('user_code', $request->code_sponsor2)->firstOrFail();
        $sponsor3 = User::where('user_code', $request->code_sponsor3)->firstOrFail();

        if ($sponsor1->id != $group->id_sponsor1) {
            $prevSponsor1 = $group->sponsor1;
            //Check sponsor 1
            $resp1 = $this->checkSponsorIdentification($request->code_sponsor1, 1);
            if (is_numeric($resp1))
                $group->id_sponsor1 = $resp1;
            else
                return $resp1;

            --$group->nombre_validation;
            $prevSponsor1->group_id = null;
        }
        if ($sponsor2->id != $group->id_sponsor2) {
            $prevSponsor2 = $group->sponsor2;
            //Check sponsor 2
            $resp2 = $this->checkSponsorIdentification($request->code_sponsor2, 2);
            if (is_numeric($resp2))
                $group->id_sponsor2 = $resp2;
            else
                return $resp2;

            --$group->nombre_validation;
            $prevSponsor2->group_id = null;
        }
        if ($sponsor3->id != $group->id_sponsor3) {
            $prevSponsor3 = $group->sponsor3;
            //Check sponsor 3
            $resp3 = $this->checkSponsorIdentification($request->code_sponsor3, 3);
            if (is_numeric($resp3))
                $group->id_sponsor3 = $resp3;
            else
                return $resp3;

            --$group->nombre_validation;
            $prevSponsor3->group_id = null;
        }

        $group->fill($request->all());
        $group->actif = false;
        $group->date_activation = null;
        if (isset($prevSponsor1)) {
            $prevSponsor1->save();
            $this->sendNotificationToSponsor($group->id, $group->id_sponsor1);
        }
        if (isset($prevSponsor2)) {
            $prevSponsor2->save();
            $this->sendNotificationToSponsor($group->id, $group->id_sponsor2);
        }
        if (isset($prevSponsor3)) {
            $prevSponsor3->save();
            $this->sendNotificationToSponsor($group->id, $group->id_sponsor3);
        }
        $group->save();

        return $this->successResponse(trans('messages.successful_user_group_modificated'));
    }


    private function sendNotificationToSponsor($id_group, $id_sponsor)
    {
        $demande = new UsersGroupsDemandesValidation();
        $demande->id_group = $id_group;
        $demande->id_sponsor = $id_sponsor;
        $demande->date_creation = new \DateTime();
        $demande->statut = false;
        $demande->save();
    }

    private function checkSponsorIdentification($code_sponsor, $id)
    {
        $sponsor = User::where('user_code', $code_sponsor)->first();
        //Verifier s'il appartient a un groupe
        if (isset($sponsor->group_id))
            return $this->errorResponse(trans('errors.sponsor_belongs_to_group', ['id' => $id]));
        if ($sponsor) {
            return $this->checkUserIdentification($sponsor->id, $id);
        } else {
            return $this->errorResponse('Ce code sponsor' . $id . ' n\'existe pas ');
        }
    }

    private function checkUserIdentification($id_user, $id)
    {
        $identification = Identification::where('id_user', $id_user)->first();
        if (isset($identification)) {
            if ($identification->status == 0)
                return $this->errorResponse(trans('errors.validation_sponsor_identification_required', ['id' => $id]));
            else
                return $id_user;
        } else {
            return $this->errorResponse(trans('errors.sponsor_identification_required', ['id' => $id]));
        }
    }

    private function getGroupID()
    {
        do {
            $code = $this->generateGroupCode();
            $result = collect(DB::select('SELECT * FROM users_groups WHERE code_groupe = :code', ['code' => $code]));
            $codeCorrect = sizeof($result) < 0;
        } while ($codeCorrect);
        return $code;
    }

    private function generateGroupCode($length = 8)
    {
        $characters = '23456789ABCDEFGHJKLMNOPQRSTUVWXYZ';
        $charactersLength = strlen($characters);
        $randomString = '';
        for ($i = 0; $i < $length; $i++) {
            $randomString .= $characters[rand(0, $charactersLength - 1)];
        }
        return $randomString;
    }

}