<?php
header('Content-Type: application/json');
require_once __DIR__ . '/../db/config.php';

$employee_id = (int)($_GET['employee_id'] ?? 0);
$start_date = $_GET['start_date'] ?? '';
$end_date = $_GET['end_date'] ?? '';

if (!$employee_id || !$start_date || !$end_date) {
    echo json_encode([]);
    exit;
}

try {
    $db = db();
    $stmt = $db->prepare("
        SELECT entry_date, SUM(hours) as total_hours 
        FROM labour_entries 
        WHERE employee_id = ? AND entry_date BETWEEN ? AND ? 
        GROUP BY entry_date
    ");
    $stmt->execute([$employee_id, $start_date, $end_date]);
    echo json_encode($stmt->fetchAll());
} catch (Exception $e) {
    echo json_encode(['error' => $e->getMessage()]);
}