"use strict";
(() => {
    let loading = false, timer = null, lastData = null;
    const chartPalette = ["var(--accent)", "var(--green)", "var(--blue)", "var(--transform-chart)", "var(--red)", "var(--notice-text)", "var(--border-hover)", "var(--separator)"];
    const scope = () => $("traffic-scope")?.value || "*";
    const number = value => fmt(Number(value) || 0);
    function configure(data) {
        const selected = scope(), options = [el("option", t("logAllVhosts"))];
        options[0].value = "*";
        for (const vhost of data.vhosts || []) {
            const option = el("option", `${vhost.id} / ${(vhost.hosts || []).join(", ")}`);
            option.value = vhost.id;
            options.push(option);
        }
        $("traffic-scope").replaceChildren(...options);
        $("traffic-scope").value = options.some(option => option.value === selected) ? selected : "*";
    }
    function renderTop(id, entries, enabled = true) {
        const body = $(`traffic-${id}`), empty = $(`traffic-${id}-empty`);
        const values = enabled ? (entries || []) : [];
        body.replaceChildren(...values.map(item => {
            const row = el("tr");
            const value = el("td", item.value || "-"); value.title = item.value || "-";
            row.append(value, el("td", number(item.count)));
            return row;
        }));
        empty.hidden = values.length > 0;
    }
    function renderDonut(id, entries, enabled = true) {
        const chart = $(`traffic-chart-${id}`), legend = $(`traffic-chart-${id}-legend`), totalNode = $(`traffic-chart-${id}-total`);
        if (!chart || !legend || !totalNode) return;
        const values = (enabled ? (entries || []) : []).filter(item => Number(item.count) > 0);
        const total = values.reduce((sum, item) => sum + Number(item.count || 0), 0);
        totalNode.textContent = number(total);
        if (!total) {
            chart.style.background = "var(--panel2)";
            chart.setAttribute("aria-label", t("trafficNoData"));
            legend.replaceChildren(el("li", t("trafficNoData"), "fine"));
            return;
        }
        const shown = values.slice(0, 7).map(item => ({ value: item.value || "-", count: Number(item.count) || 0 }));
        if (values.length > shown.length) {
            shown.push({ value: t("trafficOther"), count: values.slice(shown.length).reduce((sum, item) => sum + Number(item.count || 0), 0) });
        }
        let cursor = 0;
        const segments = shown.map((item, index) => {
            const start = cursor / total * 100;
            cursor += item.count;
            const end = cursor / total * 100;
            return `${chartPalette[index % chartPalette.length]} ${start.toFixed(4)}% ${end.toFixed(4)}%`;
        });
        chart.style.background = `conic-gradient(${segments.join(", ")})`;
        const heading = chart.closest(".traffic-chart-card")?.querySelector("h3")?.textContent || t("trafficDimensionsTitle");
        chart.setAttribute("aria-label", `${heading}: ${shown.map(item => `${item.value} ${Math.round(item.count / total * 100)}%`).join(", ")}`);
        legend.replaceChildren(...shown.map((item, index) => {
            const row = el("li"), label = el("span"), swatch = el("i", undefined, "traffic-chart-swatch");
            swatch.style.background = chartPalette[index % chartPalette.length];
            const text = el("span", item.value || "-", "traffic-chart-label"); text.title = item.value || "-";
            label.append(swatch, text);
            row.append(label, el("b", `${(item.count / total * 100).toFixed(1)}%`));
            return row;
        }));
    }
    function render(data) {
        lastData = data;
        configure(data);
        const analytics = data.analytics || {}, stats = analytics.data || {}, settings = data.settings || {};
        $("traffic-requests").textContent = number(stats.requests);
        $("traffic-errors").textContent = number(stats.errors);
        const requests = Number(stats.requests) || 0, errors = Number(stats.errors) || 0;
        $("traffic-error-ratio").textContent = `${requests ? (errors / requests * 100).toFixed(2) : "0.00"}%`;
        $("traffic-response-bytes").textContent = fmtBytes(Number(stats.response_bytes) || 0);
        $("traffic-request-bytes").textContent = `${t("trafficRequestBytes")}: ${fmtBytes(Number(stats.request_bytes) || 0)}`;
        $("traffic-latency").textContent = stats.mean_duration_ms == null ? "-" : `${fmt(stats.mean_duration_ms, 2)} ms`;
        $("traffic-dropped").textContent = `${t("trafficDroppedSamples")}: ${number(analytics.queue_dropped)}`;
        const capture = [];
        capture.push(settings.capture_user_agent ? t("trafficUserAgentEnabled") : t("trafficUserAgentDisabled"));
        capture.push(settings.capture_country ? (data.geoip?.loaded ? t("trafficCountryEnabled") : t("trafficCountryNoDb")) : t("trafficCountryDisabled"));
        $("traffic-capture-status").textContent = capture.join(" · ");
        renderTop("countries", stats.countries, !!settings.capture_country);
        renderTop("user-agents", stats.user_agents, !!settings.capture_user_agent);
        renderTop("client-ips", stats.client_ips);
        renderTop("paths", stats.paths);
        renderTop("routes", stats.routes);
        renderTop("methods", stats.methods);
        renderTop("statuses", stats.statuses);
        renderTop("cache", stats.cache);
        renderDonut("countries", stats.countries, !!settings.capture_country);
        renderDonut("user-agents", stats.user_agents, !!settings.capture_user_agent);
        renderDonut("client-ips", stats.client_ips);
        renderDonut("methods", stats.methods);
        renderDonut("statuses", stats.statuses);
        renderDonut("cache", stats.cache);
        $("traffic-panel-state").textContent = `${t("trafficUpdated")}: ${new Date().toLocaleTimeString(locale())}`;
    }
    async function refresh() {
        if (!authenticated || loading) return;
        loading = true;
        try {
            const selected = scope();
            const data = await api(`/api/traffic?vhost=${encodeURIComponent(selected)}`);
            render(data);
        } catch (error) {
            $("traffic-panel-state").textContent = error.message;
        } finally { loading = false; }
    }
    function reset() {
        lastData = null;
        if ($("traffic-panel-state")) $("traffic-panel-state").textContent = "";
        for (const id of ["countries", "user-agents", "client-ips", "paths", "routes", "methods", "statuses", "cache"]) {
            $(`traffic-${id}`)?.replaceChildren();
        }
        for (const id of ["countries", "user-agents", "client-ips", "methods", "statuses", "cache"]) {
            const chart = $(`traffic-chart-${id}`), legend = $(`traffic-chart-${id}-legend`), total = $(`traffic-chart-${id}-total`);
            if (chart) chart.style.background = "var(--panel2)";
            legend?.replaceChildren();
            if (total) total.textContent = "-";
        }
    }
    function startTimer() {
        if (timer) return;
        timer = setInterval(() => {
            if (!authenticated || !$("traffic-live")?.checked || $("panel-traffic")?.hidden) return;
            void refresh();
        }, 3000);
    }
    $("traffic-refresh")?.addEventListener("click", () => void refresh());
    $("traffic-scope")?.addEventListener("change", () => void refresh());
    $("traffic-settings")?.addEventListener("click", () => {
        setPanel("settings");
        window.rustProxySettings?.select("logging");
    });
    startTimer();
    window.rustProxyTrafficPanel = { refresh, reset, rerender: () => lastData && render(lastData) };
})();