/*
 * Copyright 2015 Synced Synapse. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.xbmc.kore.host;

import org.xbmc.kore.jsonrpc.HostConnection;
import org.xbmc.kore.utils.LogUtils;

import java.io.UnsupportedEncodingException;
import java.net.URLEncoder;

/**
 * XBMC Host information container.
 */
public class HostInfo {
	private static final String TAG = LogUtils.makeLogTag(HostInfo.class);

	private static final String JSON_RPC_ENDPOINT = "/jsonrpc";

	/**
	 * Default HTTP port for XBMC (80 on Windows, 8080 on others)
 	 */
	public static final int DEFAULT_HTTP_PORT = 8080;

	/**
	 * Default TCP port for XBMC
	 */
	public static final int DEFAULT_TCP_PORT = 9090;

    /**
     * Default WoL port
     */
    public static final int DEFAULT_WOL_PORT = 9;

    /**
	 * Internal id of the host
	 */
	private int id;

	/**
	 * Friendly name of the host
	 */
	private String name;

	/**
	 * Connection information
	 */
	private String address;
	private int httpPort;
	private int tcpPort;

    /**
	 * Authentication information
	 */
	private String username;
	private String password;

    /**
     * Mac address and Wake On Lan port
     */
    private String macAddress;
    private int wolPort;

	/**
	 * Prefered protocol to communicate with this host
	 */
	private int protocol;

    private String auxImageHttpAddress;

    /**
	 * Full constructor. This constructor should be used when instantiating from the database
	 *
	 * @param name Friendly name of the host
	 * @param id ID
	 * @param address URL
	 * @param protocol Protocol
	 * @param httpPort HTTP Port
	 * @param tcpPort TCP Port
	 * @param username Username for basic auth
	 * @param password Password for basic auth
	 */
	public HostInfo(int id, String name, String address, int protocol, int httpPort, int tcpPort,
					String username, String password, String macAddress, int wolPort) {
		this.id = id;
		this.name = name;
		this.address = address;
        if (!HostConnection.isValidProtocol(protocol)) {
            throw new IllegalArgumentException("Invalid protocol specified.");
        }
		this.protocol = protocol;
		this.httpPort = httpPort;
		this.tcpPort = tcpPort;
		this.username = username;
		this.password = password;
        this.macAddress = macAddress;
        this.wolPort = wolPort;

        // For performance reasons
        this.auxImageHttpAddress = getHttpURL() + "/image/";
	}

	/**
	 * Auxiliary constructor for HTTP protocol.
	 * This constructoor should only be used to test connections. It doesn't represent an
	 * instance of the host in the database.
	 *
	 * @param name Friendly name of the host
	 * @param address URL
	 * @param httpPort HTTP Port
	 * @param username Username for basic auth
	 * @param password Password for basic auth
	 */
	public HostInfo(String name, String address, int httpPort, int tcpPort, String username, String password) {
		this(-1, name, address, HostConnection.PROTOCOL_TCP, httpPort, tcpPort, username,
                password, null, DEFAULT_WOL_PORT);
	}

	public int getId() {
		return id;
	}

	public String getName() {
		return name;
	}

	public String getAddress() {
		return address;
	}

	public int getHttpPort() {
		return httpPort;
	}

	public int getTcpPort() {
		return tcpPort;
	}

	public String getUsername() {
		return username;
	}

	public String getPassword() {
		return password;
	}

    public String getMacAddress() {
        return macAddress;
    }

    public void setMacAddress(String macAddress) {
        this.macAddress = macAddress;
    }

    public int getWolPort() {
        return wolPort;
    }

    public void setWolPort(int wolPort) {
        this.wolPort = wolPort;
    }

    public int getProtocol() {
		return protocol;
	}

    /**
     * Overrides the protocol for this host info
     * @param protocol Protocol
     */
    public void setProtocol(int protocol) {
        if (!HostConnection.isValidProtocol(protocol)) {
            throw new IllegalArgumentException("Invalid protocol specified.");
        }
        this.protocol = protocol;
    }

    /**
	 * Returns the URL of the host
	 * @return HTTP URL eg. http://192.168.1.1:8080
	 */
	public String getHttpURL() {
		return "http://" + address + ":" + httpPort;
	}

	/**
	 * Returns the JSON RPC endpoint URL of the host
	 * @return HTTP URL eg. http://192.168.1.1:8080/jsonrpc
	 */
	public String getJsonRpcHttpEndpoint() {
		return "http://" + address + ":" + httpPort + JSON_RPC_ENDPOINT;
	}

    /**
     * Get the URL of an image, given the image identifier returned by XBMC
     * @param image image identifier stored in XBMC
     * @return URL on the XBMC host on which the image can be fetched
     */
    public String getImageUrl(String image) {
        if (image == null) {
            return null;
        }

        try {
//            return getHttpURL() + "/image/" + URLEncoder.encode(image, "UTF-8");
            return auxImageHttpAddress + URLEncoder.encode(image, "UTF-8");
        } catch (UnsupportedEncodingException e) {
            // Ignore for now...
            return null;
        }
    }
}