<?php
use App\Models\WeldLog;
use Illuminate\Support\Facades\DB;

// Helper function to sanitize input
$rfiNo = request('rfi_no');
$skip = (int) request('skip', 0);
$take = (int) request('take', 50);

// Response array
$response = [];

if (empty($rfiNo)) {
    echo json_encode(['data' => [], 'totalCount' => 0]);
    exit;
}

// Columns to search in WeldLog
$searchColumns = [
    'joint_release_rfi_no',
    'rt_release_rfi_no',
    'ut_release_rfi_no',
    'pt_release_rfi_no',
    'mt_release_rfi_no',
    'pmi_release_rfi_no',
    'vt_release_rfi_no',
    'pwht_release_rfi_no',
    'ht_release_rfi_no',
    'ferrite_release_rfi_no',
];

// Query Construction
$query = WeldLog::query();

$query->where(function($q) use ($searchColumns, $rfiNo) {
    foreach ($searchColumns as $col) {
        $q->orWhere($col, 'like', '%' . $rfiNo . '%'); // Using LIKE to catch exact matches or substrings if applicable, but RFI usually exact. matching exact is safer?
        // User might want exact match. Let's try exact first?
        // But get-rfi-for-release-log uses LIKE. "like %$rfiNo%".
        // Let's stick to LIKE for flexibility.
    }
});

$totalCount = $query->count();

$data = $query
    ->orderBy('id', 'DESC')
    ->skip($skip)
    ->take($take)
    ->get();

// Prepare response data
$resultData = [];
foreach ($data as $item) {
    // Determine which type(s) matched (optional, but helpful)
    $matchedTypes = [];
    foreach ($searchColumns as $col) {
        if (strpos($item->$col, $rfiNo) !== false) {
             $matchedTypes[] = str_replace('_release_rfi_no', '', $col);
        }
    }
    
    $resultData[] = [
        'id' => $item->id,
        'iso_number' => $item->iso_number,
        'line_number' => $item->line_number,
        'spool_number' => $item->spool_number,
        'joint_no' => $item->no_of_the_joint_as_per_as_built_survey,
        'type_of_welds' => $item->type_of_welds,
        'type_of_joint' => $item->type_of_joint,
        'welding_date' => $item->welding_date,
        'matched_types' => implode(', ', $matchedTypes),
        // Add all release RFI nos for reference
        'joint_release' => $item->joint_release_rfi_no,
        'rt_release' => $item->rt_release_rfi_no,
        'ut_release' => $item->ut_release_rfi_no,
        // ... add others if needed, or just rely on matched_types
    ];
}

echo json_encode([
    'data' => $resultData, 
    'totalCount' => $totalCount
]);
?>