<?php

declare(strict_types=1);

namespace App\Exports;

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

class GenericExport implements FromCollection, ShouldAutoSize, WithHeadings, WithMapping, WithStyles
{
    /**
     * @param  array<string, string>  $columns  Key => Header mapping
     */
    public function __construct(
        private readonly Collection $data,
        private readonly array $columns
    ) {}

    public function collection(): Collection
    {
        return $this->data;
    }

    /**
     * @return array<int, string>
     */
    public function headings(): array
    {
        return array_values($this->columns);
    }

    /**
     * @param  mixed  $row
     * @return array<int, mixed>
     */
    public function map($row): array
    {
        $rowData = [];
        foreach (array_keys($this->columns) as $key) {
            $value = data_get($row, $key, '');
            // Handle arrays and objects
            if (is_array($value) || is_object($value)) {
                $value = json_encode($value);
            }
            $rowData[] = $value;
        }

        return $rowData;
    }

    public function styles(Worksheet $sheet): array
    {
        return [
            // Style the first row as bold (headers)
            1 => ['font' => ['bold' => true]],
        ];
    }
}