<?php
if (!defined('ABSPATH')) exit;

/**
 * Render the main analytics overview page.
 */
function eistat_render_main() {
    global $wpdb;
    $eistat_p = $wpdb->prefix . 'eistat_';

    // phpcs:ignore WordPress.Security.NonceVerification.Recommended
    $days = isset($_GET['days']) && (int) $_GET['days'] === 28 ? 28 : 7;
    $eistat_today = current_time('Y-m-d');

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_today_row = $wpdb->get_row($wpdb->prepare(
        "SELECT * FROM {$eistat_p}daily WHERE date = %s",
        $eistat_today
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_today_top_pages = $wpdb->get_results($wpdb->prepare(
        "SELECT page_id, page_type, page_url, views
         FROM {$eistat_p}pageviews WHERE date = %s
         ORDER BY views DESC LIMIT 5",
        $eistat_today
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_today_top_sources = $wpdb->get_results($wpdb->prepare(
        "SELECT source, source_detail, SUM(sessions) AS s, SUM(pageviews) AS pv
         FROM {$eistat_p}sources WHERE date = %s
         GROUP BY source, source_detail ORDER BY s DESC LIMIT 5",
        $eistat_today
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_daily = $wpdb->get_results($wpdb->prepare(
        "SELECT * FROM {$eistat_p}daily
         WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY)
         ORDER BY date DESC",
        $days
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_devices = $wpdb->get_results($wpdb->prepare(
        "SELECT device, COUNT(*) AS c, SUM(is_bot) AS bots
         FROM {$eistat_p}sessions
         WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY)
         GROUP BY device ORDER BY c DESC",
        $days
    ));

    $eistat_dev_total = 0;
    foreach ($eistat_devices as $d) { $eistat_dev_total += (int) $d->c; }

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_dur_dist = $wpdb->get_row($wpdb->prepare(
        "SELECT
            SUM(CASE WHEN total_time < 15 THEN 1 ELSE 0 END) AS b1,
            SUM(CASE WHEN total_time >= 15 AND total_time < 60 THEN 1 ELSE 0 END) AS b2,
            SUM(CASE WHEN total_time >= 60 AND total_time < 300 THEN 1 ELSE 0 END) AS b3,
            SUM(CASE WHEN total_time >= 300 AND total_time < 900 THEN 1 ELSE 0 END) AS b4,
            SUM(CASE WHEN total_time >= 900 THEN 1 ELSE 0 END) AS b5,
            COUNT(*) AS total
         FROM {$eistat_p}sessions
         WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY) AND is_bot = 0",
        $days
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_ip_stats = $wpdb->get_row($wpdb->prepare(
        "SELECT
            COUNT(DISTINCT ip_hash) AS total_ips,
            COUNT(DISTINCT CASE WHEN visits >= 2 THEN ip_hash END) AS returning_ips
         FROM (
            SELECT ip_hash, COUNT(DISTINCT date) AS visits
            FROM {$eistat_p}sessions
            WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY) AND is_bot = 0
            GROUP BY ip_hash
         ) t",
        $days
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_source_details = $wpdb->get_results($wpdb->prepare(
        "SELECT source, source_detail, SUM(sessions) AS s, SUM(pageviews) AS pv,
                SUM(total_duration) AS dur
         FROM {$eistat_p}sources
         WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY)
           AND source_detail != ''
         GROUP BY source, source_detail
         ORDER BY s DESC
         LIMIT 15",
        $days
    ));

    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
    $eistat_clicks_summary = $wpdb->get_row($wpdb->prepare(
        "SELECT
            SUM(CASE WHEN link_type = 'outbound' THEN count ELSE 0 END) AS outbound,
            SUM(CASE WHEN link_type = 'email'    THEN count ELSE 0 END) AS email,
            SUM(CASE WHEN link_type = 'phone'    THEN count ELSE 0 END) AS phone,
            SUM(count) AS total
         FROM {$eistat_p}events
         WHERE date >= DATE_SUB(CURDATE(), INTERVAL %d DAY)",
        $days
    ));
    ?>
    <div class="wrap eistat-wrap">
        <h1><?php echo esc_html__('Analytics', 'statinform'); ?></h1>

        <div class="eistat-tabs">
            <a href="?page=eistat-dashboard" class="active"><?php echo esc_html__('Overview', 'statinform'); ?></a>
            <a href="?page=eistat-dashboard&view=paths&days=<?php echo (int) $days; ?>"><?php echo esc_html__('Paths', 'statinform'); ?></a>
            <a href="?page=eistat-dashboard&view=entry-exit&days=<?php echo (int) $days; ?>"><?php echo esc_html__('Entry & Exit', 'statinform'); ?></a>
            <a href="?page=eistat-dashboard&view=links&days=<?php echo (int) $days; ?>"><?php echo esc_html__('External links', 'statinform'); ?></a>
            <a href="?page=eistat-dashboard&view=archives"><?php echo esc_html__('Export & Archives', 'statinform'); ?></a>
        </div>

        <form method="post" action="<?php echo esc_url(admin_url('admin-post.php')); ?>" style="margin: 12px 0;">
            <?php wp_nonce_field('eistat_run_aggregator'); ?>
            <input type="hidden" name="action" value="eistat_run_aggregator">
            <button type="submit" class="button button-primary">
                <?php echo esc_html__('Update now', 'statinform'); ?>
            </button>
        </form>

        <h2 class="eistat-section">
            <?php
            /* translators: %s: today's date */
            echo esc_html(sprintf(__('Today (%s)', 'statinform'), $eistat_today));
            ?>
        </h2>

        <?php if (!$eistat_today_row): ?>
            <p><?php echo esc_html__('No data for today yet.', 'statinform'); ?></p>
        <?php else: ?>
            <?php
            $eistat_sessions = (int) $eistat_today_row->sessions;
            $eistat_bots     = (int) $eistat_today_row->bot_sessions;
            $eistat_human    = $eistat_sessions - $eistat_bots;
            $eistat_pv       = (int) $eistat_today_row->pageviews;
            $eistat_avg_pv   = $eistat_human > 0 ? round($eistat_pv / $eistat_human, 2) : 0;

            $eistat_dur_human        = $eistat_human > 0 ? round($eistat_today_row->total_duration_human / $eistat_human) : 0;
            $eistat_dur_all          = $eistat_sessions > 0 ? round($eistat_today_row->total_duration / $eistat_sessions) : 0;
            $eistat_dur_approx_human = $eistat_human > 0 ? round($eistat_today_row->total_duration_approx_human / $eistat_human) : 0;

            $eistat_b_human  = (int) $eistat_today_row->bounces_human;
            $eistat_b_all    = (int) $eistat_today_row->bounces;
            $eistat_br_human = $eistat_human > 0 ? round($eistat_b_human / $eistat_human * 100, 1) : 0;
            $eistat_br_all   = $eistat_sessions > 0 ? round($eistat_b_all / $eistat_sessions * 100, 1) : 0;
            ?>
            <div class="eistat-cards">
                <div class="eistat-card">
                    <div class="eistat-card-label"><?php echo esc_html__('Visitors', 'statinform'); ?></div>
                    <div class="eistat-card-value"><?php echo esc_html(number_format_i18n($eistat_human)); ?></div>
                    <div class="eistat-card-sub">
                        <?php
                        /* translators: %s: total number of sessions including bots */
                        echo esc_html(sprintf(__('total: %s (with bots)', 'statinform'), number_format_i18n($eistat_sessions)));
                        ?>
                    </div>
                </div>
                <div class="eistat-card">
                    <div class="eistat-card-label"><?php echo esc_html__('Pageviews', 'statinform'); ?></div>
                    <div class="eistat-card-value"><?php echo esc_html(number_format_i18n($eistat_pv)); ?></div>
                    <div class="eistat-card-sub">
                        <?php
                        /* translators: %s: average pageviews per user */
                        echo esc_html(sprintf(__('%s per user', 'statinform'), $eistat_avg_pv));
                        ?>
                    </div>
                </div>
                <div class="eistat-card">
                    <div class="eistat-card-label"><?php echo esc_html__('Avg. duration (active)', 'statinform'); ?></div>
                    <div class="eistat-card-value"><?php echo esc_html(eistat_fmt_duration($eistat_dur_human)); ?></div>
                    <div class="eistat-card-sub">
                        <?php
                        /* translators: %s: average duration including idle time */
                        echo esc_html(sprintf(__('with pauses: %s', 'statinform'), eistat_fmt_duration($eistat_dur_approx_human)));
                        ?>
                    </div>
                    <div class="eistat-card-sub">
                        <?php
                        /* translators: %s: average duration including bots */
                        echo esc_html(sprintf(__('with bots: %s', 'statinform'), eistat_fmt_duration($eistat_dur_all)));
                        ?>
                    </div>
                </div>
                <div class="eistat-card">
                    <div class="eistat-card-label"><?php echo esc_html__('Bounces', 'statinform'); ?></div>
                    <div class="eistat-card-value">
                        <?php echo esc_html(number_format_i18n($eistat_b_human)); ?>
                        <span style="font-size:14px; color:#646970;">(<?php echo (float) $eistat_br_human; ?>%)</span>
                    </div>
                    <div class="eistat-card-sub">
                        <?php
                        /* translators: 1: bounce count with bots, 2: bounce rate with bots */
                        echo esc_html(sprintf(__('with bots: %1$s (%2$s%%)', 'statinform'), number_format_i18n($eistat_b_all), $eistat_br_all));
                        ?>
                    </div>
                </div>
            </div>

            <div style="display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-top: 20px;">
                <div>
                    <h3 style="margin-top: 0;"><?php echo esc_html__('Top pages today', 'statinform'); ?></h3>
                    <table class="eistat-table">
                        <thead><tr>
                            <th><?php echo esc_html__('Page', 'statinform'); ?></th>
                            <th style="width:70px;"><?php echo esc_html__('Views', 'statinform'); ?></th>
                        </tr></thead>
                        <tbody>
                        <?php foreach ($eistat_today_top_pages as $pg): ?>
                            <tr>
                                <td><a href="<?php echo esc_url($pg->page_url); ?>" target="_blank"><?php echo esc_html($pg->page_url); ?></a></td>
                                <td><?php echo (int) $pg->views; ?></td>
                            </tr>
                        <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
                <div>
                    <h3 style="margin-top: 0;"><?php echo esc_html__('Sources today', 'statinform'); ?></h3>
                    <table class="eistat-table">
                        <thead><tr>
                            <th><?php echo esc_html__('Source', 'statinform'); ?></th>
                            <th style="width:70px;"><?php echo esc_html__('Sessions', 'statinform'); ?></th>
                        </tr></thead>
                        <tbody>
                        <?php foreach ($eistat_today_top_sources as $s):
                            $eistat_label = $s->source;
                            if ($s->source_detail !== '') {
                                $eistat_label .= ' / ' . $s->source_detail;
                            }
                        ?>
                            <tr>
                                <td><?php echo esc_html($eistat_label); ?></td>
                                <td><?php echo (int) $s->s; ?></td>
                            </tr>
                        <?php endforeach; ?>
                        </tbody>
                    </table>
                </div>
                <div>
                    <h3 style="margin-top: 0;"><?php echo esc_html__('Clicks today', 'statinform'); ?></h3>
                    <?php
                    // phpcs:ignore WordPress.DB.DirectDatabaseQuery.DirectQuery, WordPress.DB.DirectDatabaseQuery.NoCaching, WordPress.DB.PreparedSQL.NotPrepared, PluginCheck.Security.DirectDB.UnescapedDBParameter
                    $eistat_clicks_today = $wpdb->get_row($wpdb->prepare(
                        "SELECT
                            SUM(CASE WHEN link_type = 'outbound' THEN count ELSE 0 END) AS outbound,
                            SUM(CASE WHEN link_type = 'email'    THEN count ELSE 0 END) AS email,
                            SUM(CASE WHEN link_type = 'phone'    THEN count ELSE 0 END) AS phone,
                            SUM(count) AS total
                         FROM {$eistat_p}events WHERE date = %s",
                        $eistat_today
                    ));
                    $eistat_ct_total = (int) ($eistat_clicks_today->total ?? 0);
                    ?>
                    <table class="eistat-table">
                        <tbody>
                            <tr>
                                <td><?php echo esc_html__('External links', 'statinform'); ?></td>
                                <td style="text-align: right; font-weight: 600;"><?php echo esc_html(number_format_i18n((int) ($eistat_clicks_today->outbound ?? 0))); ?></td>
                            </tr>
                            <tr>
                                <td><?php echo esc_html__('Email', 'statinform'); ?></td>
                                <td style="text-align: right; font-weight: 600;"><?php echo esc_html(number_format_i18n((int) ($eistat_clicks_today->email ?? 0))); ?></td>
                            </tr>
                            <tr>
                                <td><?php echo esc_html__('Phone', 'statinform'); ?></td>
                                <td style="text-align: right; font-weight: 600;"><?php echo esc_html(number_format_i18n((int) ($eistat_clicks_today->phone ?? 0))); ?></td>
                            </tr>
                        </tbody>
                    </table>
                    <?php if ($eistat_ct_total > 0): ?>
                        <p class="eistat-muted" style="margin-top: 8px;">
                            <a href="?page=eistat-dashboard&view=links&days=<?php echo (int) $days; ?>">
                                <?php echo esc_html__('View all clicks →', 'statinform'); ?>
                            </a>
                        </p>
                    <?php endif; ?>
                </div>
            </div>
        <?php endif; ?>

        <h2 class="eistat-section"><?php echo esc_html__('Period', 'statinform'); ?></h2>

        <div style="margin: 12px 0;">
            <a href="?page=eistat-dashboard&days=7"  class="button <?php echo $days === 7  ? 'button-primary' : ''; ?>"><?php echo esc_html__('7 days', 'statinform'); ?></a>
            <a href="?page=eistat-dashboard&days=28" class="button <?php echo $days === 28 ? 'button-primary' : ''; ?>"><?php echo esc_html__('28 days', 'statinform'); ?></a>
        </div>

        <table class="eistat-table">
            <thead><tr>
                <th><?php echo esc_html__('Date', 'statinform'); ?></th>
                <th><?php echo esc_html__('Visitors', 'statinform'); ?></th>
                <th><?php echo esc_html__('Pageviews', 'statinform'); ?></th>
                <th><?php echo esc_html__('Views/user', 'statinform'); ?></th>
                <th><?php echo esc_html__('Avg. duration (active)', 'statinform'); ?></th>
                <th><?php echo esc_html__('Bounces', 'statinform'); ?></th>
            </tr></thead>
            <tbody>
            <?php if (!$eistat_daily): ?>
                <tr><td colspan="6"><?php echo esc_html__('No data for the period.', 'statinform'); ?></td></tr>
            <?php endif; ?>
            <?php foreach ($eistat_daily as $r):
                $eistat_s = (int) $r->sessions;
                $eistat_b = (int) $r->bot_sessions;
                $eistat_h = $eistat_s - $eistat_b;
                $eistat_pv_row = (int) $r->pageviews;
                $eistat_avg = $eistat_h > 0 ? round($eistat_pv_row / $eistat_h, 2) : 0;

                $eistat_dur_human        = $eistat_h > 0 ? round($r->total_duration_human / $eistat_h) : 0;
                $eistat_dur_all          = $eistat_s > 0 ? round($r->total_duration / $eistat_s) : 0;
                $eistat_dur_approx_human = $eistat_h > 0 ? round($r->total_duration_approx_human / $eistat_h) : 0;

                $eistat_b_human  = (int) $r->bounces_human;
                $eistat_b_all    = (int) $r->bounces;
                $eistat_br_human = $eistat_h > 0 ? round($eistat_b_human / $eistat_h * 100, 1) : 0;
                $eistat_br_all   = $eistat_s > 0 ? round($eistat_b_all / $eistat_s * 100, 1) : 0;

                $eistat_day_url = admin_url('admin.php?page=eistat-dashboard&view=day&date=' . $r->date);
            ?>
                <tr>
                    <td><a href="<?php echo esc_url($eistat_day_url); ?>"><strong><?php echo esc_html($r->date); ?></strong></a></td>
                    <td><?php echo esc_html(number_format_i18n($eistat_h)); ?> <span class="eistat-muted">(<?php echo esc_html(number_format_i18n($eistat_s)); ?>)</span></td>
                    <td><?php echo esc_html(number_format_i18n($eistat_pv_row)); ?></td>
                    <td><?php echo esc_html($eistat_avg); ?></td>
                    <td>
                        <?php echo esc_html(eistat_fmt_duration($eistat_dur_human)); ?>
                        <div class="eistat-muted">
                            <?php
                            /* translators: %s: average duration including idle time */
                            echo esc_html(sprintf(__('with pauses: %s', 'statinform'), eistat_fmt_duration($eistat_dur_approx_human)));
                            ?>
                        </div>
                        <div class="eistat-muted">
                            <?php
                            /* translators: %s: average duration including bots */
                            echo esc_html(sprintf(__('with bots: %s', 'statinform'), eistat_fmt_duration($eistat_dur_all)));
                            ?>
                        </div>
                    </td>
                    <td>
                        <?php echo esc_html(number_format_i18n($eistat_b_human)); ?> <span class="eistat-muted">(<?php echo (float) $eistat_br_human; ?>%)</span>
                        <div class="eistat-muted">
                            <?php
                            /* translators: 1: bounce count with bots, 2: bounce rate with bots */
                            echo esc_html(sprintf(__('with bots: %1$s (%2$s%%)', 'statinform'), number_format_i18n($eistat_b_all), $eistat_br_all));
                            ?>
                        </div>
                    </td>
                </tr>
            <?php endforeach; ?>
            </tbody>
        </table>

        <div style="display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 20px; margin-top: 30px;">
            <div>
                <h3 style="margin-top: 0;">
                    <?php
                    /* translators: %d: number of days */
                    echo esc_html(sprintf(__('Devices (last %d days)', 'statinform'), $days));
                    ?>
                </h3>
                <table class="eistat-table">
                    <thead><tr>
                        <th><?php echo esc_html__('Device', 'statinform'); ?></th>
                        <th style="width:70px;"><?php echo esc_html__('Sessions', 'statinform'); ?></th>
                        <th style="width:60px;">%</th>
                    </tr></thead>
                    <tbody>
                    <?php foreach ($eistat_devices as $d):
                        $eistat_pct = $eistat_dev_total > 0 ? round((int) $d->c / $eistat_dev_total * 100, 1) : 0;
                    ?>
                        <tr>
                            <td><?php echo esc_html($d->device); ?></td>
                            <td><?php echo esc_html(number_format_i18n((int) $d->c)); ?></td>
                            <td><?php echo (float) $eistat_pct; ?>%</td>
                        </tr>
                        <tr><td colspan="3" style="padding: 0 12px 8px;">
                            <div class="eistat-bar"><div class="eistat-bar-fill" style="width: <?php echo (float) $eistat_pct; ?>%;"></div></div>
                        </td></tr>
                    <?php endforeach; ?>
                    </tbody>
                </table>
            </div>

            <div>
                <h3 style="margin-top: 0;">
                    <?php
                    /* translators: %d: number of days */
                    echo esc_html(sprintf(__('Session duration (last %d days)', 'statinform'), $days));
                    ?>
                </h3>
                <?php
                $eistat_total_dur = (int) ($eistat_dur_dist->total ?? 0);
                $eistat_buckets = [
                    ['< 15 s',   (int) ($eistat_dur_dist->b1 ?? 0)],
                    ['15–60 s',  (int) ($eistat_dur_dist->b2 ?? 0)],
                    ['1–5 min',  (int) ($eistat_dur_dist->b3 ?? 0)],
                    ['5–15 min', (int) ($eistat_dur_dist->b4 ?? 0)],
                    ['> 15 min', (int) ($eistat_dur_dist->b5 ?? 0)],
                ];
                ?>
                <table class="eistat-table">
                    <thead><tr>
                        <th><?php echo esc_html__('Duration', 'statinform'); ?></th>
                        <th style="width:70px;"><?php echo esc_html__('Sessions', 'statinform'); ?></th>
                        <th style="width:60px;">%</th>
                    </tr></thead>
                    <tbody>
                    <?php foreach ($eistat_buckets as $b):
                        $eistat_pct = $eistat_total_dur > 0 ? round($b[1] / $eistat_total_dur * 100, 1) : 0;
                    ?>
                        <tr>
                            <td><?php echo esc_html($b[0]); ?></td>
                            <td><?php echo esc_html(number_format_i18n($b[1])); ?></td>
                            <td><?php echo (float) $eistat_pct; ?>%</td>
                        </tr>
                        <tr><td colspan="3" style="padding: 0 12px 8px;">
                            <div class="eistat-bar"><div class="eistat-bar-fill" style="width: <?php echo (float) $eistat_pct; ?>%;"></div></div>
                        </td></tr>
                    <?php endforeach; ?>
                    </tbody>
                </table>
            </div>

            <div>
                <h3 style="margin-top: 0;">
                    <?php
                    /* translators: %d: number of days */
                    echo esc_html(sprintf(__('IP loyalty (last %d days)', 'statinform'), $days));
                    ?>
                </h3>
                <?php
                $eistat_total_ips     = (int) ($eistat_ip_stats->total_ips ?? 0);
                $eistat_returning_ips = (int) ($eistat_ip_stats->returning_ips ?? 0);
                $eistat_returning_pct = $eistat_total_ips > 0 ? round($eistat_returning_ips / $eistat_total_ips * 100, 1) : 0;
                ?>
                <table class="eistat-table">
                    <tbody>
                        <tr>
                            <td><?php echo esc_html__('Unique IPs', 'statinform'); ?></td>
                            <td style="text-align: right; font-weight: 600;"><?php echo esc_html(number_format_i18n($eistat_total_ips)); ?></td>
                        </tr>
                        <tr>
                            <td><?php echo esc_html__('Visited 2+ days', 'statinform'); ?></td>
                            <td style="text-align: right; font-weight: 600;">
                                <?php echo esc_html(number_format_i18n($eistat_returning_ips)); ?>
                                <span class="eistat-muted">(<?php echo (float) $eistat_returning_pct; ?>%)</span>
                            </td>
                        </tr>
                    </tbody>
                </table>
                <p class="eistat-muted" style="margin-top: 8px;">
                    ⚠ <?php echo esc_html__('Approximate metric. Not comparable to Google Analytics or Yandex.Metrica: a single IP may represent an office or a mobile carrier.', 'statinform'); ?>
                </p>
            </div>
        </div>

        <?php if ($eistat_source_details): ?>
            <h2 class="eistat-section">
                <?php
                /* translators: %d: number of days */
                echo esc_html(sprintf(__('Detailed sources (last %d days)', 'statinform'), $days));
                ?>
            </h2>
            <table class="eistat-table">
                <thead><tr>
                    <th><?php echo esc_html__('Source', 'statinform'); ?></th>
                    <th><?php echo esc_html__('Detail', 'statinform'); ?></th>
                    <th><?php echo esc_html__('Sessions', 'statinform'); ?></th>
                    <th><?php echo esc_html__('Pageviews', 'statinform'); ?></th>
                    <th><?php echo esc_html__('Avg. duration', 'statinform'); ?></th>
                </tr></thead>
                <tbody>
                <?php foreach ($eistat_source_details as $sd):
                    $eistat_avg_dur = $sd->s > 0 ? round($sd->dur / $sd->s) : 0;
                ?>
                    <tr>
                        <td><strong><?php echo esc_html($sd->source); ?></strong></td>
                        <td><?php echo esc_html($sd->source_detail); ?></td>
                        <td><?php echo esc_html(number_format_i18n((int) $sd->s)); ?></td>
                        <td><?php echo esc_html(number_format_i18n((int) $sd->pv)); ?></td>
                        <td><?php echo esc_html(eistat_fmt_duration($eistat_avg_dur)); ?></td>
                    </tr>
                <?php endforeach; ?>
                </tbody>
            </table>
        <?php endif; ?>
    </div>
    <?php
}
eistat_render_main();