/* ESPILON Honeypot Dashboard — Sidebar Renders */

import { S } from './state.js';
import { $id, escHtml, formatTime, countryFlag, sevColor, layerForType, layerColor, emptyState } from './utils.js';
import { renderSevDonut } from './charts.js';

// ── Severity Stats ──────────────────────────────────────────

export function renderSevStats() {
    const el = $id('sev-stats');
    if (!el) return;
    const bySev = (S.stats && S.stats.by_severity) ? S.stats.by_severity : {};
    const sevs = ['CRITICAL', 'HIGH', 'MEDIUM', 'LOW'];
    const counts = [];
    let total = 0;
    for (let i = 0; i < sevs.length; i++) {
        const c = bySev[sevs[i]] || 0;
        counts.push(c);
        total += c;
    }

    let html = '';

    // Donut placeholder
    html += '<div id="sev-donut-sb" class="text-center mb-sm"></div>';

    // Count list
    html += '<div>';
    for (let i = 0; i < sevs.length; i++) {
        html += '<div class="sev-stat-row">';
        html += '<span><span class="sev-stat-dot" style="background:' + sevColor(sevs[i]) + '"></span>' + sevs[i] + '</span>';
        html += '<span class="sev-stat-count">' + counts[i] + '</span>';
        html += '</div>';
    }
    html += '</div>';

    el.innerHTML = html;

    // Render donut into the container
    const donutEl = $id('sev-donut-sb');
    if (donutEl) {
        const statsObj = {};
        for (let i = 0; i < sevs.length; i++) statsObj[sevs[i]] = counts[i];
        renderSevDonut(donutEl, statsObj);
    }
}

// ── Layer Stats ─────────────────────────────────────────────

export function renderLayerStats() {
    const el = $id('layer-stats');
    if (!el) return;

    const layerCounts = { L2: 0, L3: 0, L4: 0, L7: 0 };
    if (S.events) {
        for (let i = 0; i < S.events.length; i++) {
            const l = layerForType(S.events[i].event_type);
            if (layerCounts[l] !== undefined) layerCounts[l]++;
        }
    }

    const layers = ['L2', 'L3', 'L4', 'L7'];
    let html = '<div class="layer-grid">';
    for (let i = 0; i < layers.length; i++) {
        const l = layers[i];
        html += '<div class="layer-box" style="border-top-color:' + layerColor(l) + '">';
        html += '<div class="layer-box-val">' + layerCounts[l] + '</div>';
        html += '<div class="layer-box-label">' + l + '</div>';
        html += '</div>';
    }
    html += '</div>';
    el.innerHTML = html;
}

// ── Attackers ───────────────────────────────────────────────

export function renderAttackers() {
    const el = $id('attackers-list');
    if (!el) return;

    const list = S.attackers || [];
    const top = list.slice(0, 10);
    if (!top.length) {
        el.innerHTML = emptyState('\u{1F464}', 'No attackers yet', '');
        return;
    }

    const maxCount = top[0].total_events || top[0].count || 1;

    let html = '';
    for (let i = 0; i < top.length; i++) {
        const a = top[i];
        const cnt = a.total_events || a.count || 0;
        const pct = Math.round((cnt / maxCount) * 100);
        const flag = a.country_code ? countryFlag(a.country_code) + ' ' : '';
        const vendor = a.vendor || '';

        html += '<div class="atk-row" data-action="attacker" data-ip="' + escHtml(a.ip) + '">';
        html += '<div class="atk-row-top">';
        html += '<span class="atk-row-ip">' + flag + escHtml(a.ip) + '</span>';
        html += '<span class="atk-row-count">' + cnt + '</span>';
        html += '</div>';
        if (vendor) {
            html += '<div class="atk-row-vendor">' + escHtml(vendor) + '</div>';
        }
        html += '<div class="atk-row-bar">';
        html += '<div class="atk-row-bar-fill" style="width:' + pct + '%"></div>';
        html += '</div>';
        html += '</div>';
    }
    el.innerHTML = html;
}

// ── Alerts ──────────────────────────────────────────────────

export function renderAlerts() {
    const el = $id('alerts-list');
    const badge = $id('alert-badge');
    const banner = $id('alert-banner');
    const bannerCount = $id('alert-banner-count');

    const alerts = S.alerts || [];
    const unacked = alerts.filter(function(a) { return !a.acknowledged; });

    // Badge
    if (badge) {
        badge.textContent = unacked.length;
        badge.style.display = unacked.length > 0 ? '' : 'none';
    }

    // Banner
    if (banner) {
        banner.style.display = unacked.length > 0 ? '' : 'none';
    }
    if (bannerCount) {
        bannerCount.textContent = unacked.length;
    }

    // List
    if (!el) return;
    if (!alerts.length) {
        el.innerHTML = emptyState('\u{1F514}', 'No alerts', '');
        return;
    }

    let html = '';
    for (let i = 0; i < alerts.length; i++) {
        const a = alerts[i];
        const borderCol = sevColor(a.severity || 'MEDIUM');
        const acked = a.acknowledged;
        html += '<div class="alert-item' + (acked ? ' acked' : '') + '" style="border-left-color:' + borderCol + '">';
        html += '<div class="alert-item-top">';
        html += '<div class="alert-item-msg">' + escHtml(a.message || a.detail || 'Alert') + '</div>';
        if (!acked) {
            html += '<button class="btn-ack" data-action="ack-alert" data-id="' + a.id + '">ACK</button>';
        }
        html += '</div>';
        if (a.timestamp) {
            html += '<div class="alert-item-time">' + formatTime(a.timestamp) + '</div>';
        }
        html += '</div>';
    }
    el.innerHTML = html;
}

// ── Command History ─────────────────────────────────────────

export function renderHistory() {
    const el = $id('cmd-history');
    if (!el) return;

    const list = S.history || [];
    const items = list.slice(0, 20);
    if (!items.length) {
        el.innerHTML = emptyState('\u{2328}\u{FE0F}', 'No commands yet', '');
        return;
    }

    let html = '';
    for (let i = 0; i < items.length; i++) {
        const h = items[i];
        let statusDot;
        if (h.status === 'completed') {
            statusDot = 'var(--sev-low)';
        } else if (h.status === 'pending' || h.status === 'sent') {
            statusDot = 'var(--sev-med)';
        } else {
            statusDot = 'var(--sev-high)';
        }
        let cmdName = h.command_name || h.command || '?';
        if (cmdName.length > 24) cmdName = cmdName.substring(0, 24) + '\u2026';
        const timeStr = h.sent_at ? formatTime(h.sent_at) : '';

        html += '<div class="hist-item">';
        html += '<span class="hist-dot" style="background:' + statusDot + '"></span>';
        html += '<span class="hist-cmd" title="' + escHtml(h.command_name || h.command || '') + '">' + escHtml(cmdName) + '</span>';
        html += '<span class="hist-time">' + timeStr + '</span>';
        html += '</div>';
    }
    el.innerHTML = html;
}

// ── Full Sidebar Render ─────────────────────────────────────

export function renderSidebar() {
    renderSevStats();
    renderLayerStats();
    renderAttackers();
    renderAlerts();
    renderHistory();
}