<?php
// modules/personel-yonetimi.php
session_start();
require_once '../config/db.php';
require_once '../config/functions.php';
include '../includes/header.php';
include '../includes/menu.php';

yetkiKontrol(['root', 'yonetici', 'muhasebe', 'insan_kaynaklari']);

// --- YILLIK İZİN HESAPLAMA (Burada da gerekli) ---
if (!function_exists('yillikIzinHesapla')) {
    function yillikIzinHesapla($pdo, $calisan_id) {
        $stmt = $pdo->prepare("SELECT ise_giris_tarihi, devreden_izin, dogum_tarihi FROM kullanicilar WHERE id = ?");
        $stmt->execute([$calisan_id]);
        $u = $stmt->fetch();
        if(!$u) return 0;

        $ise_giris = new DateTime($u['ise_giris_tarihi']);
        $bugun = new DateTime();
        $calisma_yili = $ise_giris->diff($bugun)->y;
        
        // Yaş Hesabı
        $yas = 0;
        if (!empty($u['dogum_tarihi'])) {
            $dt_dogum = new DateTime($u['dogum_tarihi']);
            $yas = $bugun->diff($dt_dogum)->y;
        }
        
        $toplam_hak = floatval($u['devreden_izin']);
        for($i = 1; $i <= $calisma_yili; $i++) {
            $hak = 0;
            if ($i <= 5) $hak = 14;
            elseif ($i < 15) $hak = 20;
            else $hak = 26;
            
            // 50 yaş üstü ve 18 yaş altı kontrolü (Min 20 Gün)
            if (($yas <= 18 || $yas >= 50) && $hak < 20) {
                $hak = 20;
            }
            
            $toplam_hak += $hak;
        }
        
        $stmt_used = $pdo->prepare("SELECT SUM(toplam_gun) FROM izin_talepleri WHERE calisan_id = ? AND izin_turu = 'yillik' AND durum != 'reddedildi'");
        $stmt_used->execute([$calisan_id]);
        $kullanilan = floatval($stmt_used->fetchColumn());
        
        return $toplam_hak - $kullanilan;
    }
}

$sql = "SELECT * FROM kullanicilar WHERE rol != 'root' ORDER BY durum DESC, ad ASC";
$personeller = $pdo->query($sql)->fetchAll();
?>

<style>
    .avatar-cell img { width: 45px; height: 45px; object-fit: cover; border: 2px solid #fff; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
    tr.pasif-satir { background-color: #f8f9fa; opacity: 0.75; }
</style>

<div class="container-fluid">
    <div class="d-flex justify-content-between align-items-center mb-4">
        <h3><i class="fas fa-users-cog text-primary"></i> Personel Yönetimi</h3>
        <div class="d-flex align-items-center gap-2">
            <button onclick="exportList('excel')" class="btn btn-sm btn-success"><i class="fas fa-file-excel me-1"></i> Excel</button>
            <a href="personel-ekle.php" class="btn btn-primary shadow-sm"><i class="fas fa-user-plus me-1"></i> Yeni Personel</a>
        </div>
    </div>

    <div class="card border-0 shadow-sm rounded-4 overflow-hidden">
        <div class="table-responsive">
            <table class="table table-hover align-middle mb-0">
                <thead class="bg-light text-secondary">
                    <tr>
                        <th class="ps-4">Personel</th>
                        <th>İletişim</th>
                        <th>Rol</th>
                        <th>Kalan Yıllık İzin</th> <th>Durum</th>
                        <th class="text-end pe-4">İşlemler</th>
                    </tr>
                </thead>
                <tbody>
                    <?php foreach($personeller as $p): 
                        $kalan_izin = yillikIzinHesapla($pdo, $p['id']);
                        $izin_renk = ($kalan_izin > 0) ? 'bg-success' : 'bg-secondary';
                        
                        // Durum HTML (Mevcut koddan alındı)
                        $durum_html = ($p['durum'] == 0) ? "<span class='badge bg-secondary'>Pasif</span>" : "<span class='badge bg-success bg-opacity-10 text-success border border-success'>Aktif</span>";
                    ?>
                        <tr class="<?php echo ($p['durum'] == 0) ? 'pasif-satir' : ''; ?>">
                            <td class="ps-4">
                                <div class="d-flex align-items-center">
                                    <div class="avatar-cell me-3"><img src="../<?php echo $p['fotograf_yolu']; ?>" class="rounded-circle"></div>
                                    <div>
                                        <div class="fw-bold"><a href="personel-kart.php?id=<?php echo $p['id']; ?>" class="text-dark text-decoration-none"><?php echo $p['ad'] . ' ' . $p['soyad']; ?></a></div>
                                        <div class="small text-muted"><?php echo substr($p['tc_no'], 0, 3).'***'; ?></div>
                                    </div>
                                </div>
                            </td>
                            <td><?php echo $p['telefon']; ?></td>
                            <td><span class="badge bg-light text-dark border text-uppercase"><?php echo str_replace('_', ' ', $p['rol']); ?></span></td>
                            
                            <td>
                                <span class="badge <?php echo $izin_renk; ?> rounded-pill px-3"><?php echo number_format($kalan_izin, 1); ?> Gün</span>
                            </td>
                            
                            <td><?php echo $durum_html; ?></td>
                            <td class="text-end pe-4">
                                <a href="personel-kart.php?id=<?php echo $p['id']; ?>" class="btn btn-sm btn-outline-info"><i class="fas fa-id-card"></i></a>
                                <a href="personel-duzenle.php?id=<?php echo $p['id']; ?>" class="btn btn-sm btn-outline-primary"><i class="fas fa-edit"></i></a>
                            </td>
                        </tr>
                    <?php endforeach; ?>
                </tbody>
            </table>
        </div>
    </div>
</div>
<?php include '../includes/footer.php'; ?>