<?php
// includes/functions.php

function get_work_orders_by_status($status) {
    $pdo = db();
    $stmt = $pdo->prepare("SELECT * FROM work_orders WHERE status = ? ORDER BY created_at DESC");
    $stmt->execute([$status]);
    return $stmt->fetchAll();
}

function get_all_work_orders() {
    $pdo = db();
    $stmt = $pdo->query("SELECT * FROM work_orders ORDER BY created_at DESC");
    return $stmt->fetchAll();
}

function get_kpis($work_orders) {
    $total_jobs = count($work_orders);
    $completed_jobs = 0;
    foreach ($work_orders as $order) {
        if ($order['status'] === 'Completed') {
            $completed_jobs++;
        }
    }
    $completion_rate = $total_jobs > 0 ? ($completed_jobs / $total_jobs) * 100 : 0;

    return [
        'total_jobs' => $total_jobs,
        'completion_rate' => round($completion_rate),
        'revenue' => '12,345' // Static for now
    ];
}