<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use Maatwebsite\Excel\Events\AfterSheet;
use Carbon\Carbon;

class EmployeesExport implements FromCollection, WithHeadings, WithMapping, ShouldAutoSize, WithEvents, WithCustomStartCell
{
    protected $employees;

    // Menangkap data hasil filter dari Controller
    public function __construct($employees)
    {
        $this->employees = $employees;
    }

    public function collection()
    {
        return $this->employees;
    }

    // Mulai tabel data di baris ke-6 (Baris 1-4 untuk informasi header)
    public function startCell(): string
    {
        return 'A6';
    }

    public function headings(): array
    {
        return ['NIK', 'No. KTP', 'Inisial', 'Nama Depan', 'Nama Belakang', 'Email', 'No. HP', 'Jenis Kelamin', 'Tgl Lahir', 'Tgl Masuk', 'Departemen', 'Jabatan', 'Status', 'Hak Akses'];
    }

    public function map($user): array
    {
        return [
            $user->nik,
            $user->identity_number ?? '-',
            strtoupper($user->initial ?? '-'),
            $user->first_name,
            $user->last_name,
            $user->email,
            $user->phone ?? '-',
            $user->gender == 'L' ? 'Laki-laki' : 'Perempuan',
            $user->date_of_birth ? Carbon::parse($user->date_of_birth)->format('Y-m-d') : '-',
            $user->join_date ? Carbon::parse($user->join_date)->format('Y-m-d') : '-',
            $user->department->name ?? '-',
            $user->position->name ?? '-',
            $user->is_active ? 'Aktif' : 'Non-Aktif',
            $user->roles->pluck('name')->implode(', '),
        ];
    }

    // Event untuk menyuntikkan Teks Header di atas tabel dan memberi warna
    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function(AfterSheet $event) {
                $sheet = $event->sheet->getDelegate();
                $count = $this->employees->count();
                $user = auth()->user()->first_name . ' ' . auth()->user()->last_name;
                $date = Carbon::now()->translatedFormat('d F Y - H:i:s');

                // Menyuntikkan Informasi di baris atas
                $sheet->setCellValue('A1', 'LAPORAN DATA KARYAWAN');
                $sheet->setCellValue('A2', 'Total Data (Sesuai Filter) : ' . $count . ' Karyawan');
                $sheet->setCellValue('A3', 'Dicetak Oleh             : ' . $user);
                $sheet->setCellValue('A4', 'Waktu Cetak              : ' . $date);

                // Styling (Merge judul & warna header tabel)
                $sheet->mergeCells('A1:N1');
                $sheet->getStyle('A1')->getFont()->setBold(true)->setSize(14);
                $sheet->getStyle('A2:A4')->getFont()->setBold(true);
                $sheet->getStyle('A6:N6')->getFont()->setBold(true);
                
                // Memberi warna latar abu-abu pada header tabel (Baris 6)
                $sheet->getStyle('A6:N6')->getFill()
                      ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                      ->getStartColor()->setARGB('FFE2E8F0');
            },
        ];
    }
}