<?php

namespace App\Imports;

use App\Models\User;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;
use Maatwebsite\Excel\Concerns\WithHeadingRow;
use Illuminate\Support\Facades\Hash;

class EmployeesImport implements ToCollection, WithHeadingRow
{
    public $successCount = 0;
    public $failCount = 0;

    /**
    * Asumsi Header Excel (Baris ke-1): 
    * nik | nama_depan | nama_belakang | email | telepon | jenis_kelamin | department_id | position_id
    */
    public function collection(Collection $rows)
    {
        foreach ($rows as $row) {
            try {
                // Validasi: Abaikan baris jika NIK, Nama Depan, atau Email kosong
                if (empty($row['nik']) || empty($row['nama_depan']) || empty($row['email'])) {
                    $this->failCount++;
                    continue;
                }

                // Update jika NIK sudah ada, Create jika belum ada
                $user = User::updateOrCreate(
                    ['nik' => $row['nik']], // Pencarian berdasarkan NIK
                    [
                        'first_name'           => $row['nama_depan'],
                        'last_name'            => $row['nama_belakang'] ?? null,
                        'email'                => $row['email'],
                        'phone'                => $row['telepon'] ?? null,
                        'gender'               => in_array(strtoupper($row['jenis_kelamin'] ?? ''), ['L', 'P']) ? strtoupper($row['jenis_kelamin']) : 'L',
                        'department_id'        => $row['department_id'] ?? 1, // Fallback ID 1 jika kosong
                        'position_id'          => $row['position_id'] ?? 1,
                        'password'             => Hash::make('Karyawan123!'),
                        'is_active'            => true,
                        'must_change_password' => true,
                    ]
                );

                // Otomatis jadikan Trainee
                if (!$user->hasAnyRole(['admin', 'trainer', 'trainee'])) {
                    $user->assignRole('trainee');
                }

                $this->successCount++;
            } catch (\Exception $e) {
                // Jika error (misal format email salah atau duplikat), masukkan ke hitungan gagal
                $this->failCount++;
            }
        }
    }
}