<?php

namespace App\Exports;

use App\Models\Kriteria;
use Maatwebsite\Excel\Concerns\FromArray;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;

class TemplateWargaExport implements FromArray, WithHeadings, WithTitle, ShouldAutoSize
{
    public function title(): string
    {
        return 'Template Import Warga';
    }

    public function headings(): array
    {
        $kriterias = Kriteria::orderBy('kode', 'asc')->get();

        // Baris 1: Header untuk Sistem (nik, nama, c1_..., dst)
        $header = ['nik', 'nama', 'alamat', 'rt', 'rw'];
        foreach ($kriterias as $k) {
            $header[] = strtolower($k->kode) . '_' . strtolower(str_replace(' ', '_', $k->nama));
        }

        return $header;
    }

    public function array(): array
    {
        $kriterias = Kriteria::with('subKriterias')->orderBy('kode', 'asc')->get();

        // Baris 2: Panduan untuk Admin (Contoh isi)
        $guideline = ['Contoh: 3512xxx', 'Nama Lengkap', 'Alamat', '001', '002'];
        foreach ($kriterias as $k) {
            $opsi = $k->subKriterias->pluck('nama_sub')->implode(' , ');
            $guideline[] = 'PILIH: [' . $opsi . ']';
        }

        return [$guideline];
    }
}