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

$action = $_GET['action'] ?? 'get_status';
$today = date('Y-m-d');

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    $input = json_decode(file_get_contents('php://input'), true);
    if ($action === 'log') {
        $id = $input['id'] ?? null;
        $name = $input['name'] ?? '';
        
        $stmt = $pdo->prepare("INSERT INTO supplement_logs (supplement_id, name, taken_at) VALUES (?, ?, ?)");
        $stmt->execute([$id, $name, $today]);
        echo json_encode(['success' => true]);
        exit;
    }
}

if ($action === 'get_status') {
    // Get all supplements
    $stmt = $pdo->query("SELECT * FROM supplement_list ORDER BY name ASC");
    $list = $stmt->fetchAll(PDO::FETCH_ASSOC);
    
    // Get today's logs
    $stmt = $pdo->prepare("SELECT name FROM supplement_logs WHERE taken_at = ?");
    $stmt->execute([$today]);
    $taken = $stmt->fetchAll(PDO::FETCH_COLUMN);
    
    $results = [];
    foreach ($list as $sup) {
        $sup['taken'] = in_array($sup['name'], $taken);
        $results[] = $sup;
    }
    
    echo json_encode($results);
    exit;
}