query("SELECT setting_key, setting_value FROM settings WHERE setting_key IN ('company_name', 'company_logo')");
$site_settings = [];
while ($row = $stmt->fetch(PDO::FETCH_ASSOC)) {
$site_settings[$row['setting_key']] = $row['setting_value'];
}
$companyName = $site_settings['company_name'] ?? __('hospital_management');
// Helper to translate report titles
function getReportTitle($type) {
switch ($type) {
case 'inventory_valuation': return __('inventory_valuation');
case 'sales': return __('sales_report');
case 'expiry': return __('expiry_report');
case 'low_stock': return __('low_stock_report');
case 'purchase_report': return __('purchase_report');
default: return __('report');
}
}
// Data Fetching Logic (No pagination for print, or very high limit)
$limit = 1000;
$data = [];
$grandTotals = [];
if ($type === 'inventory_valuation') {
$sql = "SELECT d.name_en as drug_name, d.name_ar as drug_name_ar,
g.name_en as category_name,
SUM(b.quantity) as stock_quantity,
SUM(b.quantity * b.cost_price) / SUM(b.quantity) as avg_cost,
SUM(b.quantity * b.sale_price) / SUM(b.quantity) as selling_price,
SUM(b.quantity * b.cost_price) as total_cost_value,
SUM(b.quantity * b.sale_price) as total_sales_value
FROM drugs d
JOIN pharmacy_batches b ON d.id = b.drug_id
LEFT JOIN drugs_groups g ON d.group_id = g.id
WHERE b.quantity > 0
GROUP BY d.id
ORDER BY d.name_en ASC
LIMIT $limit";
$stmt = $pdo->query($sql);
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
$grandTotalSql = "SELECT SUM(b.quantity * b.cost_price) as total_cost,
SUM(b.quantity * b.sale_price) as total_sales
FROM pharmacy_batches b
WHERE b.quantity > 0";
$grandTotals = $pdo->query($grandTotalSql)->fetch(PDO::FETCH_ASSOC);
} elseif ($type === 'sales') {
$sql = "SELECT s.id, s.created_at, s.total_amount, s.payment_method,
p.name as patient_name,
(SELECT COUNT(*) FROM pharmacy_sale_items i WHERE i.sale_id = s.id) as item_count
FROM pharmacy_sales s
LEFT JOIN patients p ON s.patient_id = p.id
WHERE s.created_at BETWEEN ? AND ? + INTERVAL 1 DAY
ORDER BY s.created_at DESC
LIMIT $limit";
$stmt = $pdo->prepare($sql);
$stmt->execute([$startDate, $endDate]);
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
$grandTotalSql = "SELECT SUM(total_amount) as total FROM pharmacy_sales WHERE created_at BETWEEN ? AND ? + INTERVAL 1 DAY";
$grandTotalStmt = $pdo->prepare($grandTotalSql);
$grandTotalStmt->execute([$startDate, $endDate]);
$grandTotals['total_sales'] = $grandTotalStmt->fetchColumn();
} elseif ($type === 'expiry') {
$sql = "SELECT b.id, b.batch_number, b.expiry_date, b.quantity,
d.name_en as drug_name, d.name_ar as drug_name_ar,
s.name_en as supplier_name,
DATEDIFF(b.expiry_date, CURDATE()) as days_remaining
FROM pharmacy_batches b
JOIN drugs d ON b.drug_id = d.id
LEFT JOIN suppliers s ON b.supplier_id = s.id
WHERE b.expiry_date BETWEEN ? AND ? AND b.quantity > 0
ORDER BY b.expiry_date ASC
LIMIT $limit";
$stmt = $pdo->prepare($sql);
$stmt->execute([$startDate, $endDate]);
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
} elseif ($type === 'low_stock') {
$sql = "SELECT d.id, d.name_en, d.name_ar, d.min_stock_level, d.reorder_level, d.unit,
COALESCE(SUM(b.quantity), 0) as total_stock
FROM drugs d
LEFT JOIN pharmacy_batches b ON d.id = b.drug_id AND b.quantity > 0 AND b.expiry_date >= CURDATE()
GROUP BY d.id
HAVING total_stock <= MAX(d.reorder_level)
ORDER BY total_stock ASC
LIMIT $limit";
$stmt = $pdo->query($sql);
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
} elseif ($type === 'purchase_report') {
$sql = "SELECT l.id, l.lpo_date, l.status, l.total_amount, s.name_en as supplier_name
FROM pharmacy_lpos l
LEFT JOIN suppliers s ON l.supplier_id = s.id
WHERE l.lpo_date BETWEEN ? AND ?
ORDER BY l.lpo_date DESC
LIMIT $limit";
$stmt = $pdo->prepare($sql);
$stmt->execute([$startDate, $endDate]);
$data = $stmt->fetchAll(PDO::FETCH_ASSOC);
$grandTotalSql = "SELECT SUM(total_amount) as total FROM pharmacy_lpos WHERE lpo_date BETWEEN ? AND ?";
$grandTotalStmt = $pdo->prepare($grandTotalSql);
$grandTotalStmt->execute([$startDate, $endDate]);
$grandTotals['total_purchases'] = $grandTotalStmt->fetchColumn();
}
?>
<?php echo getReportTitle($type); ?>