daily.php

<?php
include 'config.php';
include 'functions.php';
include 'header.php';
require_once 'auth.php';

/** @var array $config */

$moduleId   = $_GET['udid'] ?? '';
$userId     = $_GET['user_id'] ?? '';
$zoneLabel  = $_GET['zone_label'] ?? '';

if (!$moduleId || !$userId) {
    http_response_code(400);
    echo '<div class="container mt-5"><div class="alert alert-danger">Brak wymaganych parametrów.</div></div>';
    include 'footer.php';
    exit;
}

$auth = login($config['username'], $config['password']);
$dataByZone = [];

if (!empty($auth['token']) && $moduleId) {
    $url = "https://emodul.eu/api/v1/modules/{$moduleId}/statistics/linear/range/day";
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ["Authorization: Bearer {$auth['token']}"]);
    $response = curl_exec($ch);
    curl_close($ch);
    $responseData = json_decode($response, true);

    if (
            is_array($responseData)
            && isset($responseData['status'], $responseData['data']['history'])
            && $responseData['status'] === 'success'
    ) {
        foreach ($responseData['data']['history'] as $zoneRaw => $points) {
            if (!empty($zoneLabel) && stripos($zoneRaw, $zoneLabel) === false) continue;

            $zoneName = preg_replace('/^\|.*?\|/', '', $zoneRaw);
            foreach ($points as $p) {
                if (!isset($p['x'], $p['y'])) continue;
                $date = DateTime::createFromFormat('YmdHi', $p['x']);
                $label = $date ? $date->format('H:i') : $p['x'];
                $dataByZone[$zoneName]['labels'][] = $label;
                $dataByZone[$zoneName]['values'][] = $p['y'];
            }
        }
    }
}
?>

    <div class="container mt-5">
        <h1 class="mb-4"><i class="fas fa-chart-line"></i> Statystyki dzienne (<?= date('Y-m-d') ?>)</h1>

        <?php if (!empty($zoneLabel)): ?>
            <div class="alert alert-info">
                Pokazano tylko strefę zawierającą: <strong><?= htmlspecialchars($zoneLabel) ?></strong>
            </div>
        <?php endif; ?>

        <?php if (empty($dataByZone)): ?>
            <div class="alert alert-warning">Brak danych do wyświetlenia.</div>
        <?php else: ?>
        <?php foreach ($dataByZone as $zone => $dataset): ?>
            <h3 class="mt-5"><?= htmlspecialchars($zone) ?></h3>
            <canvas id="chart_<?= md5($zone) ?>" height="100"></canvas>
            <script>
                new Chart(document.getElementById("chart_<?= md5($zone) ?>").getContext('2d'), {
                    type: 'line',
                    data: {
                        labels: <?= json_encode($dataset['labels']) ?>,
                        datasets: [{
                            label: 'Temperatura (°C)',
                            data: <?= json_encode($dataset['values']) ?>,
                            borderColor: 'rgb(75, 192, 192)',
                            backgroundColor: 'rgba(75, 192, 192, 0.2)',
                            fill: true,
                            tension: 0.3
                        }]
                    },
                    options: {
                        responsive: true,
                        plugins: {
                            title: {
                                display: true,
                                text: 'Strefa: <?= addslashes($zone) ?>'
                            }
                        },
                        scales: {
                            x: {
                                ticks: {
                                    maxRotation: 45,
                                    autoSkip: true,
                                    maxTicksLimit: 20
                                }
                            }
                        }
                    }
                });
            </script>
        <?php endforeach; ?>
        <?php endif; ?>

        <a href="zones.php?user_id=<?= urlencode($userId) ?>&udid=<?= urlencode($moduleId) ?>" class="btn btn-secondary mt-4">&laquo; Powrót</a>
    </div>

<?php include 'footer.php'; ?>