<?php

namespace App\Models;

use CodeIgniter\Model;

/**
 * Model untuk Login Attempts
 * 
 * Digunakan untuk:
 * - Mencatat semua percobaan login
 * - Menghitung jumlah percobaan gagal
 * - Implementasi account lockout
 * - Monitoring dan audit trail
 */
class LoginAttemptModel extends Model
{
    protected $table            = 'login_attempts';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;
    protected $returnType       = 'array';
    protected $useSoftDeletes   = false;
    protected $protectFields    = true;
    protected $allowedFields    = ['ip_address', 'username', 'user_id', 'success', 'user_agent', 'created_at'];

    protected bool $allowEmptyInserts = false;

    protected $useTimestamps = true;
    protected $dateFormat    = 'datetime';
    protected $createdField  = 'created_at';
    protected $updatedField  = null;
    protected $deletedField  = null;

    protected $validationRules = [];
    protected $validationMessages = [];
    protected $skipValidation = true; // Skip validation karena data dari sistem

    protected $beforeInsert = [];
    protected $afterInsert = [];
    protected $beforeUpdate = [];
    protected $afterUpdate = [];
    protected $beforeFind = [];
    protected $afterFind = [];
    protected $beforeDelete = [];
    protected $afterDelete = [];

    /**
     * Mencatat percobaan login
     * 
     * @param string $ipAddress IP address dari request
     * @param string|null $username Username yang dicoba
     * @param int|null $userId ID user jika login berhasil
     * @param bool $success Status login (true = berhasil, false = gagal)
     * @return bool True jika berhasil disimpan
     */
    public function recordAttempt(string $ipAddress, ?string $username = null, ?int $userId = null, bool $success = false): bool
    {
        $request = service('request');
        
        $data = [
            'ip_address' => $ipAddress,
            'username'   => $username,
            'user_id'    => $userId,
            'success'    => $success ? 1 : 0,
            'user_agent' => $request->getUserAgent()->getAgentString(),
        ];

        try {
            return $this->insert($data) !== false;
        } catch (\Exception $e) {
            log_message('error', 'Failed to record login attempt: ' . $e->getMessage());
            return false;
        }
    }

    /**
     * Menghitung jumlah percobaan gagal dalam periode tertentu
     * 
     * @param string $ipAddress IP address
     * @param int $minutes Periode waktu dalam menit (default: 15)
     * @return int Jumlah percobaan gagal
     */
    public function countFailedAttempts(string $ipAddress, int $minutes = 15): int
    {
        $timeLimit = date('Y-m-d H:i:s', strtotime("-{$minutes} minutes"));

        return $this->where('ip_address', $ipAddress)
            ->where('success', 0)
            ->where('created_at >=', $timeLimit)
            ->countAllResults(false);
    }

    /**
     * Menghitung jumlah percobaan gagal untuk username tertentu
     * 
     * @param string $username Username
     * @param int $minutes Periode waktu dalam menit (default: 15)
     * @return int Jumlah percobaan gagal
     */
    public function countFailedAttemptsByUsername(string $username, int $minutes = 15): int
    {
        $timeLimit = date('Y-m-d H:i:s', strtotime("-{$minutes} minutes"));

        return $this->where('username', $username)
            ->where('success', 0)
            ->where('created_at >=', $timeLimit)
            ->countAllResults(false);
    }

    /**
     * Menghapus record percobaan lama (cleanup)
     * 
     * @param int $days Jumlah hari untuk menyimpan data (default: 30)
     * @return int Jumlah record yang dihapus
     */
    public function cleanupOldAttempts(int $days = 30): int
    {
        $timeLimit = date('Y-m-d H:i:s', strtotime("-{$days} days"));

        return $this->where('created_at <', $timeLimit)->delete();
    }

    /**
     * Mendapatkan semua percobaan login untuk IP tertentu
     * 
     * @param string $ipAddress IP address
     * @param int $limit Jumlah record yang diambil
     * @return array Array of login attempts
     */
    public function getAttemptsByIp(string $ipAddress, int $limit = 50): array
    {
        return $this->where('ip_address', $ipAddress)
            ->orderBy('created_at', 'DESC')
            ->findAll($limit);
    }

    /**
     * Mendapatkan semua percobaan login untuk username tertentu
     * 
     * @param string $username Username
     * @param int $limit Jumlah record yang diambil
     * @return array Array of login attempts
     */
    public function getAttemptsByUsername(string $username, int $limit = 50): array
    {
        return $this->where('username', $username)
            ->orderBy('created_at', 'DESC')
            ->findAll($limit);
    }
}