<?php 
/**
 * @api-readonly
 * Returns RFI dashboard statistics
 */
$rfi = db("r_f_i_s")->get();
$data = [];

// Initialize rfi_summary
$data['rfi_summary']['Overall'] = 0;
$status = j(setting("rfi-status"));

foreach($status as $stat) {
    $data['rfi_summary'][$stat] = 0;
}

foreach($rfi as $r) {
    // Status için güvenli değer atama
    $currentStatus = !empty($r->status) ? trim($r->status) : 'Undefined';
    $currentSubcontractor = !empty($r->subcontractor) ? trim($r->subcontractor) : 'Undefined';
    
    if (!isset($data['rfi_summary'][$currentStatus])) {
        $data['rfi_summary'][$currentStatus] = 0;
    }
    
    $data['rfi_summary'][$currentStatus]++;
    $data['rfi_summary']['Overall']++;

    if (!isset($data['subcontractor'][$currentSubcontractor]['Overall'])) {
        $data['subcontractor'][$currentSubcontractor]['Overall'] = 0;
    }

    foreach ($status as $stat) {
        if (!isset($data['subcontractor'][$currentSubcontractor][$stat])) {
            $data['subcontractor'][$currentSubcontractor][$stat] = 0;
        }
    }

    if (!isset($data['subcontractor'][$currentSubcontractor][$currentStatus])) {
        $data['subcontractor'][$currentSubcontractor][$currentStatus] = 0;
    }

    if($currentSubcontractor !== 'Undefined' && $currentStatus !== 'Undefined') {
        $data['subcontractor'][$currentSubcontractor][$currentStatus]++;
    }
    $data['subcontractor'][$currentSubcontractor]['Overall']++;

    $dateCol = !empty($r->inspection_date) ? 
        date("M-y", strtotime($r->inspection_date)) : 
        date("M-y");

    if (!isset($data['monthly']['total']['qty'])) {
        $data['monthly']['total']['qty'] = 0;
    }
    $data['monthly']['total']['qty']++;
    
    if (!isset($data['monthly'][$dateCol]['qty'])) {
        $data['monthly'][$dateCol]['qty'] = 0;
    }
    $data['monthly'][$dateCol]['qty']++;
}

// Prepare data for DevExtreme DataGrid
$rfiSummaryData = [];
foreach ($data['rfi_summary'] as $status => $count) {
    $rfiSummaryData[] = ['status' => $status, 'count' => $count];
}

$subcontractorData = [];
foreach ($data['subcontractor'] as $subcontractor => $statuses) {
    $row = ['subcontractor' => $subcontractor];
    foreach ($statuses as $status => $count) {
        $row[$status] = $count;
    }
    $subcontractorData[] = $row;
}

// Prepare data for dxChart
$monthlyData = [];
foreach ($data['monthly'] as $month => $counts) {
    if ($month !== 'total') {
        $monthlyData[] = ['month' => $month, 'qty' => $counts['qty']];
    }
}

$result = [
    'rfi_summary' => $rfiSummaryData,
    'subcontractor' => $subcontractorData,
    'monthly' => $monthlyData
];
// Output data
echo json_encode($result);

// Now you can use the data with DevExtreme components