<?php namespace App\Models;

use CodeIgniter\Model;

class UserModel extends Model
{
    protected $table = 'user';
    protected $primaryKey = 'id';
    protected $allowedFields = ['name', 'email', 'password', 'profile_pic','daily_words','learning_days','daily_words','repetition','review_percentage','screenlayout','test_mode','updated_at','created_at'];
    protected $useTimestamps = true;

    public function getUserByEmail($email)
    {
        return $this->where('email', $email)->first();
    }

    public function getUser($id)
    {
        return $this->where('id', $id)->first();
    }

    public function updateUserLearning($id, $data)
    {
        return $this->update($id, $data);
    }

    public function createUser($data)
    {
        $this->insert($data);
        $id = $this->getInsertID();

        // 학습 정보 생성
        $learningData = $this->generateLearningData();
        $learningInfo = [
            'id' => $id,
            'email' => $data['email'],
            'learning_data' => json_encode($learningData),
            'last_studied_key' => null
        ];

        $learningModel = new \App\Models\UserLearningInfoModel();
        $learningModel->insert($learningInfo);

        return $id;
    }

    private function generateLearningData()
    {
        $numbers = range(1, 1000);
        shuffle($numbers);
        $learningData = [];
        foreach ($numbers as $key => $value) {
            $learningData[$key + 1] = $value;
        }
        return $learningData;
    }

    public function setSessionData($num)
    {
        try {
            if (!isset($num)) {
                throw new \Exception("The 'id' index is not defined in the provided data.");
            }

            $data = $this->where('id', $num)->first();

            if (!isset($data['email'])) {
                throw new \Exception("The 'email' index is not defined in the provided data.");
            }

            $learningInfoModel = new \App\Models\UserLearningInfoModel();
            $learningInfo = $learningInfoModel->getLearningInfoByUserId($data['email']);

            if (!$learningInfo) {
                throw new \Exception("Failed to retrieve learning information for user ID: " . $data['email']);
            }

            $dailydata = [
                'user_id' => $num,
                'user_email' => $data['email'],
                'todate' => date('Y-m-d'),
                'daily_words' => $data['daily_words'],          // 학습 단어 수 가져오기
                'repetition_count' => 0,
                'learningInfo' => json_encode($learningInfo),   // 전체 학습 json
            ];

            $DailyLearningLogModel = new \App\Models\DailyLearningLogModel();
            $LearningData = $DailyLearningLogModel->logDailyLearning($dailydata);


            $ses_data = [
                'num' => $num,
                'userid' => $data['email'],
                'useremail' => $data['email'],
                'username' => $data['name'],
                'profile_pic' => $data['profile_pic'],
                'auth_provider' => $data['auth_provider'],
                'repetition' => $data['repetition'],
                'review_percentage' => $data['review_percentage'],
                'screenlayout' => $data['screenlayout'],
                'test_mode' => $data['test_mode'],
                'todate' => date('Y-m-d'),
                'dailyLearningLog_num' => $LearningData['num'],
                'repetition_count' => $LearningData['repetition_count'],
                'daily_words' => $LearningData['daily_words'],
                'interrupted_key' => json_decode($LearningData['interrupted_key'], true),
                'last_studied_key' => $LearningData['last_json_key'],
                'study_data' => json_decode($LearningData['last_json_key']),
                'logged_in' => TRUE
            ];
            session()->set($ses_data);
        } catch (\Exception $e) {
            log_message('error', 'Error in setSessionData: ' . $e->getMessage());
            throw $e; // Re-throw exception to be handled by the calling code
        }
    }
}