<?php

namespace App\Models;

use CodeIgniter\Model;

class TpaApiDataModel extends Model
{
    protected $table            = 'tpa_api_data';
    protected $primaryKey       = 'id';
    protected $useAutoIncrement = true;

    protected $returnType       = 'array';
    protected $useSoftDeletes   = false;

    protected $allowedFields = [
        'file_id',
        'emp_code',
        'name',
        'dob',
        'relation',
        'gender',
        'self',
        'tpa_id',
        'age',
        'is_active',
        'desc',
        'created_by'
    ];

    // protected $useTimestamps = true;
    // protected $createdField  = 'create_at';
    protected $updatedField  = null;

    // protected $dateFormat = 'datetime';

    // protected $validationRules = [
    //     'file_id'   => 'required|integer',
    //     'temp_code' => 'required|string|max_length[50]',
    //     'tname'     => 'required|string|max_length[150]',
    //     'tgender'   => 'permit_empty|in_list[M,F,O]',
    //     'tage'      => 'permit_empty|integer'
    // ];

    protected $validationMessages = [];
    protected $skipValidation     = false;


    public function insertBatchWithChunkLog( array $rows,int $chunkSize = 500,?string $logRef = null)
    {
        if (empty($rows)) {
            return [
                'status' => false,
                'inserted' => 0,
                'failed_batches' => 0,
                'message' => 'No data'
            ];
        }

        $db = \Config\Database::connect();
        $this->skipValidation(true);

        $inserted = 0;
        $failedBatches = 0;
        $batchNo = 0;

        foreach (array_chunk($rows, $chunkSize) as $chunk) {
            $batchNo++;

            try {
                $db->transStart();

                $this->insertBatch($chunk);

                if ($db->transStatus() === false) {
                    throw new \RuntimeException('DB transaction failed');
                }

                $db->transComplete();
                $inserted += count($chunk);

            } catch (\Throwable $e) {
                $db->transRollback();
                $failedBatches++;

                // 🔴 Batch-level error log
                log_message('error', json_encode([
                    'type'      => 'BATCH_INSERT_FAILED',
                    'table'     => $this->table,
                    'batch_no'  => $batchNo,
                    'batch_size'=> count($chunk),
                    'ref'       => $logRef,
                    'error'     => $e->getMessage()
                ]));
            }
        }

        return [
            'status'          => $failedBatches === 0,
            'inserted'        => $inserted,
            'failed_batches' => $failedBatches,
            'total_batches'  => $batchNo
        ];
    }

}