/* jshint esversion: 2024, module: true */

import { Utils } from "./utils.js";
import { InterfaceState } from "./enums.js";

/**
 * Static Interface Renderer for displaying network interfaces
 * @class InterfaceRenderer
 */
class InterfaceRenderer {
	/**
	 * Render interface tabs
	 * @static
	 * @param {Array} interfaces - Array of interface objects
	 * @param {Object} currentInterface - Current interface object
	 * @returns {string} HTML string
	 */
	static renderInterfaceTabs(interfaces, currentInterface) {
		if (!interfaces.length) {
			return '<div class="no-interfaces">No network interfaces found</div>';
		}

		const tabsHTML = interfaces
			.map((iface) => {
				const state = Utils.getInterfaceState(iface);
				const stateClass = Utils.getStateClass(state);
				const stateText = Utils.getStateText(iface);
				const isActive = iface === currentInterface;

				return `
                <button class="interface-tab ${isActive ? "active" : ""}" 
                        data-interface="${Utils.sanitizeHTML(iface.Name)}">
                    ${Utils.sanitizeHTML(iface.Name)}
                    <span class="interface-state ${stateClass}">${Utils.sanitizeHTML(stateText)}</span>
                </button>
            `;
			})
			.join("");

		return `<div class="interface-tabs-container">${tabsHTML}</div>`;
	}

	/**
	 * Show detailed interface information
	 * @static
	 * @param {Object} iface - Interface object
	 * @returns {string} HTML string
	 */
	static showInterfaceDetails(iface) {
		const details = [
			InterfaceRenderer.renderDetailRow("Link File", iface.LinkFile),
			InterfaceRenderer.renderDetailRow("Network File", iface.NetworkFile),
			InterfaceRenderer.renderDetailRow(
				"State",
				iface.State,
				Utils.getStateClass(Utils.getInterfaceState(iface)),
			),
			InterfaceRenderer.renderDetailRow("Online State", iface.OnlineState),
			InterfaceRenderer.renderDetailRow("Type", iface.Type),
			InterfaceRenderer.renderDetailRow("Path", iface.Path),
			InterfaceRenderer.renderDetailRow("Driver", iface.Driver),
			InterfaceRenderer.renderDetailRow("Vendor", iface.Vendor),
			InterfaceRenderer.renderDetailRow("Model", iface.Model),
			InterfaceRenderer.renderDetailRow(
				"Hardware Address",
				Utils.arrayToMac(iface.HardwareAddress),
			),
			InterfaceRenderer.renderDetailRow(
				"MTU",
				iface.MTU
					? `${iface.MTU} (min: ${iface.MTUMin ?? "?"}, max: ${iface.MTUMax ?? "?"})`
					: "",
			),
			InterfaceRenderer.renderDetailRow("QDisc", iface.QDisc),
			InterfaceRenderer.renderDetailRow(
				"IPv6 Address Generation Mode",
				iface.IPv6AddressGenerationMode,
			),
			InterfaceRenderer.renderDetailRow(
				"Number of Queues (Tx/Rx)",
				iface.Queues
					? `${iface.Queues.Tx ?? "?"}/${iface.Queues.Rx ?? "?"}`
					: "",
			),
			InterfaceRenderer.renderDetailRow(
				"Auto negotiation",
				iface.AutoNegotiation ? "yes" : "no",
			),
			InterfaceRenderer.renderDetailRow("Speed", iface.Speed),
			InterfaceRenderer.renderDetailRow("Duplex", iface.Duplex),
			InterfaceRenderer.renderDetailRow("Port", iface.Port),
			InterfaceRenderer.renderDetailRow(
				"Address",
				InterfaceRenderer.renderAddressList(iface.Addresses),
			),
			InterfaceRenderer.renderDetailRow(
				"DNS",
				InterfaceRenderer.renderDNSServerList(iface.DNS),
			),
			InterfaceRenderer.renderDetailRow(
				"NTP",
				InterfaceRenderer.renderNTPServerList(iface.NTP),
			),
			InterfaceRenderer.renderDetailRow(
				"Activation Policy",
				iface.ActivationPolicy,
			),
			InterfaceRenderer.renderDetailRow(
				"Required For Online",
				iface.RequiredForOnline ? "yes" : "no",
			),
			InterfaceRenderer.renderDetailRow("Connected To", iface.ConnectedTo),
			InterfaceRenderer.renderDetailRow(
				"Offered DHCP leases",
				InterfaceRenderer.renderDHCPLeases(iface.DHCPLeases),
			),
		]
			.filter(Boolean)
			.join("");

		return `<div class="interface-detail-grid">${details}</div>`;
	}

	/**
	 * Render a detail row with abbreviations
	 * @static
	 * @param {string} label - Row label
	 * @param {string} value - Row value
	 * @param {string} [valueClass] - CSS class for value
	 * @returns {string} HTML string
	 */
	static renderDetailRow(label, value, valueClass = "") {
		if (!value && value !== 0 && value !== false) return "";

		const abbreviations = {
			MTU: "Maximum Transmission Unit",
			QDisc: "Queueing Discipline",
			Tx: "Transmit",
			Rx: "Receive",
			DNS: "Domain Name System",
			NTP: "Network Time Protocol",
			DHCP: "Dynamic Host Configuration Protocol",
			MAC: "Media Access Control",
			IP: "Internet Protocol",
			IPv6: "Internet Protocol version 6",
		};

		const abbrLabel = Object.keys(abbreviations).includes(label)
			? `<abbr title="${abbreviations[label]}">${label}</abbr>`
			: label;

		// Handle different value types
		let displayValue;
		if (typeof value === "string") {
			displayValue = Utils.sanitizeHTML(value);
		} else if (typeof value === "object") {
			// Handle object rendering
			displayValue = InterfaceRenderer.renderObjectValue(value);
		} else {
			displayValue = Utils.sanitizeHTML(String(value));
		}

		return `
            <div class="detail-row">
                <span class="detail-label">${abbrLabel}:</span>
                <span class="detail-value ${valueClass}">${displayValue}</span>
            </div>
        `;
	}

	/**
	 * Render object value for display
	 * @static
	 * @param {Object} obj - Object to render
	 * @returns {string} HTML string
	 */
	static renderObjectValue(obj) {
		if (obj === null || obj === undefined) return "";

		// Handle array of objects
		if (Array.isArray(obj)) {
			return obj
				.map((item) => InterfaceRenderer.renderObjectValue(item))
				.join(", ");
		}

		// Handle plain object
		if (typeof obj === "object") {
			// Check if it's an IP address object
			if (obj.Address && Array.isArray(obj.Address)) {
				return Utils.ipFromArray(obj);
			}

			// Check if it's a simple key-value object we can stringify
			try {
				const simpleObj = {};
				for (const [key, value] of Object.entries(obj)) {
					if (
						value !== null &&
						value !== undefined &&
						typeof value !== "object"
					) {
						simpleObj[key] = value;
					}
				}
				if (Object.keys(simpleObj).length > 0) {
					return Utils.sanitizeHTML(JSON.stringify(simpleObj));
				}
			} catch (e) {
				// Fall through to default handling
			}

			return Utils.sanitizeHTML(String(obj));
		}

		return Utils.sanitizeHTML(String(obj));
	}

	/**
	 * Render address list
	 * @static
	 * @param {Array} addresses - Array of addresses
	 * @returns {string} Formatted addresses
	 */
	static renderAddressList(addresses) {
		if (!addresses?.length) return "";

		const addressItems = addresses
			.map((addr) => {
				const ip = Utils.ipFromArray(addr);
				return ip ? Utils.sanitizeHTML(ip) : "";
			})
			.filter((ip) => ip)
			.join(", ");

		return addressItems || "";
	}

	/**
	 * Render DNS server list
	 * @static
	 * @param {Array} dnsServers - Array of DNS servers
	 * @returns {string} Formatted DNS servers
	 */
	static renderDNSServerList(dnsServers) {
		if (!dnsServers?.length) return "";

		const dnsItems = dnsServers
			.map((dns) => {
				const server = Utils.ipFromArray(dns.Address ?? dns);
				return server ? Utils.sanitizeHTML(server) : "";
			})
			.filter((server) => server)
			.join(", ");

		return dnsItems || "";
	}

	/**
	 * Render NTP server list
	 * @static
	 * @param {Array} ntpServers - Array of NTP servers
	 * @returns {string} Formatted NTP servers
	 */
	static renderNTPServerList(ntpServers) {
		if (!ntpServers?.length) return "";

		const ntpItems = ntpServers
			.map((ntp) => {
				if (typeof ntp === "string") {
					return Utils.sanitizeHTML(ntp);
				} else if (ntp && typeof ntp === "object") {
					// Handle NTP server object
					if (ntp.Address && Array.isArray(ntp.Address)) {
						return Utils.ipFromArray(ntp);
					} else if (ntp.Server) {
						return Utils.sanitizeHTML(ntp.Server);
					} else {
						// Try to extract any stringifiable value
						return InterfaceRenderer.renderObjectValue(ntp);
					}
				}
				return "";
			})
			.filter((server) => server)
			.join(", ");

		return ntpItems || "";
	}

	/**
	 * Render DHCP leases
	 * @static
	 * @param {Array} leases - Array of DHCP leases
	 * @returns {string} Formatted leases
	 */
	static renderDHCPLeases(leases) {
		if (!leases?.length) return "";

		const leaseItems = leases
			.map((lease) => {
				if (typeof lease === "string") {
					return Utils.sanitizeHTML(lease);
				} else if (lease && typeof lease === "object") {
					const ip = lease.IP ?? lease.Address ?? lease;
					const to = lease.To ?? lease.MAC ?? lease.ClientIdentifier ?? "";

					if (ip && to) {
						return `${Utils.sanitizeHTML(String(ip))} (to ${Utils.sanitizeHTML(String(to))})`;
					} else if (ip) {
						return Utils.sanitizeHTML(String(ip));
					} else {
						return InterfaceRenderer.renderObjectValue(lease);
					}
				}
				return "";
			})
			.filter((lease) => lease)
			.join(", ");

		return leaseItems || "";
	}
}

export { InterfaceRenderer };