stats.php

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

/** @var array $config */

$auth = login($config['username'], $config['password']);
$modulesList = [];
$moduleId = $_GET['udid'] ?? '';
$userId   = $_GET['user_id'] ?? '';
$range    = $_GET['range'] ?? 'day';
$month    = $_GET['month'] ?? date('m');
$year     = $_GET['year'] ?? date('Y');
$dataSets = [];

if (!empty($auth['token']) && !empty($auth['user_id'])) {
    $modulesList = getModules($auth['user_id'], $auth['token']);

    if (empty($userId) && empty($moduleId) && !empty($modulesList)) {
        $userId = $auth['user_id'];
        $moduleId = $modulesList[0]['udid'] ?? '';
    }
}

if (empty($moduleId) || empty($userId)) {
    echo '<div class="alert alert-danger m-4">Brak dostępnych modułów lub nieprawidłowe dane logowania.</div>';
    include 'footer.php';
    exit;
}

function buildApiUrl($moduleId, $range, $month, $year) {
    $base = "https://emodul.eu/api/v1/modules/{$moduleId}/statistics/linear/range/{$range}";
    if ($range === 'month') {
        return $base . "/{$month}";
    }
    return $base;
}

function getStats($url, $token) {
    $ch = curl_init($url);
    curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
    curl_setopt($ch, CURLOPT_HTTPHEADER, ["Authorization: Bearer $token"]);
    $response = curl_exec($ch);
    curl_close($ch);
    return json_decode($response, true);
}

$url = buildApiUrl($moduleId, $range, $month, $year);
$response = getStats($url, $auth['token']);

if (
        is_array($response)
        && isset($response['status'], $response['data']['history'])
        && $response['status'] === 'success'
) {
    foreach ($response['data']['history'] as $zoneRaw => $points) {
        $zoneName = preg_replace('/^\|.*?\|/', '', $zoneRaw);
        $labels = [];
        $values = [];

        foreach ($points as $p) {
            if (!isset($p['x'], $p['y'])) continue;
            $date = DateTime::createFromFormat('YmdHi', $p['x']);
            $label = $date ? (
            $range === 'day' ? $date->format('H:i') :
                    ($range === 'month' ? $date->format('d.m') :
                            ($range === 'year' ? $date->format('Y-m') : $p['x']))
            ) : $p['x'];
            $labels[] = $label;
            $values[] = $p['y'];
        }

        if (!empty($labels)) {
            $dataSets[] = [
                    'label' => $zoneName,
                    'labels' => $labels,
                    'data' => $values,
                    'color' => sprintf('rgba(%d,%d,%d,1)', rand(50,200), rand(50,200), rand(50,200))
            ];
        }
    }
}
?>

    <div class="container mt-5">
    <h1 class="mb-4"><i class="fas fa-chart-line"></i> Statystyki – <?= htmlspecialchars(ucfirst($range)) ?> (linear)</h1>

    <form method="get" class="row g-3 mb-4 align-items-end">
        <input type="hidden" name="user_id" value="<?= htmlspecialchars($userId) ?>">
        <input type="hidden" name="udid" value="<?= htmlspecialchars($moduleId) ?>">

        <div class="col-md-3">
            <label for="range" class="form-label">Zakres danych</label>
            <select name="range" id="range" class="form-select">
                <option value="day" <?= $range === 'day' ? 'selected' : '' ?>>Ostatnia doba</option>
                <option value="week" <?= $range === 'week' ? 'selected' : '' ?>>Ostatni tydzień</option>
                <option value="month" <?= $range === 'month' ? 'selected' : '' ?>>Miesiąc</option>
            </select>
        </div>

        <div class="col-md-3">
            <label for="month" class="form-label">Miesiąc</label>
            <select name="month" id="month" class="form-select" <?= $range !== 'month' ? 'disabled' : '' ?>>
                <?php for ($m = 1; $m <= 12; $m++): ?>
                    <option value="<?= $m ?>" <?= (int)$month === $m ? 'selected' : '' ?>>
                        <?= str_pad($m, 2, '0', STR_PAD_LEFT) ?>
                    </option>
                <?php endfor; ?>
            </select>
        </div>

        <div class="col-md-3">
            <label for="year" class="form-label">Rok</label>
            <select name="year" id="year" class="form-select" <?= $range !== 'month' ? 'disabled' : '' ?>>
                <?php for ($y = date('Y'); $y >= 2023; $y--): ?>
                    <option value="<?= $y ?>" <?= (int)$year === $y ? 'selected' : '' ?>><?= $y ?></option>
                <?php endfor; ?>
            </select>
        </div>

        <div class="col-md-3">
            <button type="submit" class="btn btn-primary w-100">
                <i class="fas fa-sync-alt"></i> Pokaż
            </button>
        </div>
    </form>

    <script>
        document.getElementById('range').addEventListener('change', function () {
            const isMonth = this.value === 'month';
            document.getElementById('month').disabled = !isMonth;
            document.getElementById('year').disabled = !isMonth;
        });
    </script>

<?php if (empty($dataSets)): ?>
    <div class="alert alert-warning">Brak danych do wyświetlenia.</div>
<?php else: ?>
    <div class="d-flex justify-content-end mb-2">
        <button id="hideAllBtn" class="btn btn-outline-secondary btn-sm">
            <i class="fas fa-eye-slash"></i> Ukryj wszystkie serie
        </button>
    </div>
    <canvas id="statsChart" height="120"></canvas>
    <script>
        const ctx = document.getElementById('statsChart').getContext('2d');
        const chart = new Chart(ctx, {
            type: 'line',
            data: {
                labels: <?= json_encode($dataSets[0]['labels']) ?>,
                datasets: [
                    <?php foreach ($dataSets as $set): ?>
                    {
                        label: <?= json_encode($set['label']) ?>,
                        data: <?= json_encode($set['data']) ?>,
                        borderColor: '<?= $set['color'] ?>',
                        backgroundColor: '<?= str_replace('1)', '0.2)', $set['color']) ?>',
                        fill: false,
                        tension: 0.3
                    },
                    <?php endforeach; ?>
                ]
            },
            options: {
                responsive: true,
                interaction: {
                    mode: 'index',
                    intersect: false
                },
                plugins: {
                    title: {
                        display: true,
                        text: 'Porównanie stref – <?= htmlspecialchars(ucfirst($range)) ?>'
                    },
                    legend: {
                        display: true,
                        position: 'bottom'
                    }
                },
                scales: {
                    x: {
                        ticks: {
                            maxRotation: 45,
                            autoSkip: true,
                            maxTicksLimit: 30
                        }
                    }
                }
            }
        });

        document.getElementById('hideAllBtn').addEventListener('click', () => {
            chart.data.datasets.forEach((_, i) => {
                chart.hide(i);
            });
        });
    </script>
<?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'; ?>