<?php

namespace App\Imports;

use App\Models\WeightHistory;
use Carbon\Carbon;
use Illuminate\Support\Collection;
use Maatwebsite\Excel\Concerns\ToCollection;
use Maatwebsite\Excel\Concerns\WithStartRow;
use PhpOffice\PhpSpreadsheet\Shared\Date;

class CatWeightImport implements ToCollection, WithStartRow
{
    // Tambahkan variabel untuk menghitung data yang sukses
    private int $importedCount = 0;

    public function startRow(): int
    {
        return 2;
    }

    public function collection(Collection $rows)
    {
        foreach ($rows as $row) {
            $catId = $row[0] ?? null;
            $berat = $row[2] ?? null;
            $tanggalExcel = $row[3] ?? null;

            if (empty($catId) || empty($berat) || empty($tanggalExcel)) {
                continue;
            }

            $parsedDate = null;
            try {
                if (is_numeric($tanggalExcel)) {
                    $parsedDate = Date::excelToDateTimeObject($tanggalExcel);
                } else {
                    $tanggalExcel = str_ireplace(
                        ['januari', 'februari', 'maret', 'april', 'mei', 'juni', 'juli', 'agustus', 'september', 'oktober', 'november', 'desember'],
                        ['january', 'february', 'march', 'april', 'may', 'june', 'july', 'august', 'september', 'october', 'november', 'december'],
                        $tanggalExcel
                    );
                    $parsedDate = Carbon::parse($tanggalExcel);
                }
            } catch (\Exception $e) {
                continue;
            }

            $carbonDate = Carbon::instance($parsedDate);
            $dateOnly = $carbonDate->format('Y-m-d');
            $timeOnly = $carbonDate->format('H:i:s');

            $existingRecord = WeightHistory::where('cat_id', $catId)
                                           ->whereDate('tanggal_timbang', $dateOnly)
                                           ->first();

            if ($existingRecord) {
                $finalTime = ($timeOnly === '00:00:00') ? Carbon::parse($existingRecord->tanggal_timbang)->format('H:i:s') : $timeOnly;
                
                $existingRecord->update([
                    'berat' => $berat,
                    'tanggal_timbang' => $dateOnly . ' ' . $finalTime,
                ]);
                
                // Tambah hitungan jika berhasil update
                $this->importedCount++;
            } else {
                $finalTime = ($timeOnly === '00:00:00') ? now()->format('H:i:s') : $timeOnly;

                WeightHistory::create([
                    'cat_id' => $catId,
                    'berat' => $berat,
                    'tanggal_timbang' => $dateOnly . ' ' . $finalTime,
                ]);

                // Tambah hitungan jika berhasil insert baru
                $this->importedCount++;
            }
        }
    }

    // Fungsi untuk melempar total hitungan ke Controller
    public function getImportedCount(): int
    {
        return $this->importedCount;
    }
}