<?php

namespace App\Exports;

use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Maatwebsite\Excel\Concerns\WithStyles;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class DataPelangganBycawDetailExport implements
    FromCollection,
    WithHeadings,
    WithMapping,
    WithStyles,
    WithCustomStartCell
{
    protected $pelanggan;
    protected $year;
    protected $no = 0;

    public function __construct($pelanggan, $year)
    {
        $this->pelanggan = collect($pelanggan);
        $this->year = $year;
    }

    /**
     * Data source
     */
    public function collection(): Collection
    {
        return $this->pelanggan;
    }

    /**
     * Start data from row 5 (sebab ada tajuk)
     */
    public function startCell(): string
    {
        return 'A5';
    }

    /**
     * Header column
     */
    public function headings(): array
    {
        return [
            'No',
            'Cawangan',
            'No.Pelanggan',
            'Umur',
            'Jantina',
            'Pekerjaan',
            'Lokasi',
            'Tempoh Pajakan',
            'Tarikh Mula',
            'Tarikh Tamat',
            'Hari Sejak Transaksi Terakhir',
            'Bil Transaksi',
            'Bil Outstanding',
            'Bil Tebus',
            'Jumlah Pinjaman (RM)',
            'Jumlah Ujrah (RM)',
            'Tujuan Gadaian',
            'Status Aktif',
            'Cara Bayaran',
            'Tarikh Lelong',
        ];
    }

    /**
     * Map setiap row
     */
    public function map($row): array
    {
        return [
            ++$this->no,
            $row['cawangan'],
            $row['nopelanggan'],
            $row['umur'],
            $row['jantina'],
            $row['pekerjaan'],
            $row['daerah'],
            $row['tempoh_pajakan'],
            $row['tarikh_mula'],
            $row['tarikh_tamat'],
            $row['hari_sejak_transaksi'],
            $row['bil_transaksi'],
            $row['bil_outstanding'],
            $row['bil_tebus'],
            number_format($row['jumlah_pinjaman'], 2),
            number_format($row['jumlah_ujrah'], 2),
            $row['tujuan_gadai'],
            $row['status_aktif'],
            $row['cara_bayaran'],
            $row['tarikh_lelong'] ?? '-',
        ];
    }

    /**
     * Styling Excel
     */
    public function styles(Worksheet $sheet)
    {
        // Tajuk utama
        $sheet->mergeCells('A1:R1');
        $sheet->setCellValue('A1', 'LAPORAN DATA PELANGGAN MENGIKUT CAWANGAN');
        $sheet->getStyle('A1')->getFont()->setBold(true)->setSize(14);
        $sheet->getStyle('A1')->getAlignment()->setHorizontal('center');

        // Tahun
        $sheet->mergeCells('A2:R2');
        $sheet->setCellValue('A2', 'TAHUN : ' . $this->year);
        $sheet->getStyle('A2')->getFont()->setBold(true);
        $sheet->getStyle('A2')->getAlignment()->setHorizontal('center');

        // Header table
        $sheet->getStyle('A5:R5')->getFont()->setBold(true);
        $sheet->getStyle('A5:R5')->getAlignment()->setHorizontal('center');

        // Auto width
        foreach (range('A', 'R') as $col) {
            $sheet->getColumnDimension($col)->setAutoSize(true);
        }
    }
}