package Torello.Browser.BrowserAPI;

import java.util.*;
import javax.json.*;
import javax.json.stream.*;
import java.io.*;

import java.lang.reflect.Method;
import java.lang.reflect.Parameter;
import java.util.function.Function;

import Torello.Browser.BrowserEvent;
import Torello.Browser.JavaScriptAPI.*;
import Torello.Browser.helper.*;

import Torello.Java.Additional.*;
import Torello.Java.JSON.*;

import static Torello.Java.JSON.JFlag.*;

import Torello.Java.StrCmpr;
import Torello.JavaDoc.StaticFunctional;
import Torello.JavaDoc.JDHeaderBackgroundImg;
import Torello.JavaDoc.Excuse;

/**
 * <SPAN CLASS=COPIEDJDK><B><CODE>[No Description Provided by Google]</CODE></B></SPAN>
 * 
 * <EMBED CLASS='external-html' DATA-FILE-ID=CODE_GEN_NOTE>
 */
@StaticFunctional(Excused={"counter"}, Excuses={Excuse.CONFIGURATION})
@JDHeaderBackgroundImg(EmbedTagFileID="WOOD_PLANK_NOTE")
public class DeviceOrientation
{
    // ********************************************************************************************
    // ********************************************************************************************
    // Class Header Stuff
    // ********************************************************************************************
    // ********************************************************************************************


    // No Pubic Constructors
    private DeviceOrientation () { }

    // These two Vector's are used by all the "Methods" exported by this class.  java.lang.reflect
    // is used to generate the JSON String's.  It saves thousands of lines of Auto-Generated Code.
    private static final Map<String, Vector<String>>    parameterNames = new HashMap<>();
    private static final Map<String, Vector<Class<?>>>  parameterTypes = new HashMap<>();

    // Some Methods do not take any parameters - for instance all the "enable()" and "disable()"
    // I simply could not get ride of RAW-TYPES and UNCHECKED warnings... so there are now,
    // offically, two empty-vectors.  One for String's, and the other for Classes.

    private static final Vector<String>     EMPTY_VEC_STR = new Vector<>();
    private static final Vector<Class<?>>   EMPTY_VEC_CLASS = new Vector<>();

    static
    {
        for (Method m : DeviceOrientation.class.getMethods())
        {
            // This doesn't work!  The parameter names are all "arg0" ... "argN"
            // It works for java.lang.reflect.Field, BUT NOT java.lang.reflect.Parameter!
            //
            // Vector<String> parameterNamesList = new Vector<>(); -- NOPE!

            Vector<Class<?>> parameterTypesList = new Vector<>();
        
            for (Parameter p : m.getParameters()) parameterTypesList.add(p.getType());

            parameterTypes.put(
                m.getName(),
                (parameterTypesList.size() > 0) ? parameterTypesList : EMPTY_VEC_CLASS
            );
        }
    }

    static
    {
        Vector<String> v = null;

        parameterNames.put("clearDeviceOrientationOverride", EMPTY_VEC_STR);

        v = new Vector<String>(3);
        parameterNames.put("setDeviceOrientationOverride", v);
        Collections.addAll(v, new String[]
        { "alpha", "beta", "gamma", });
    }


    // ********************************************************************************************
    // ********************************************************************************************
    // Types - Static Inner Classes
    // ********************************************************************************************
    // ********************************************************************************************

    
    // Counter for keeping the WebSocket Request ID's distinct.
    private static int counter = 1;
    
    /**
     * Clears the overridden Device Orientation.
     * 
     * @return An instance of <CODE>{@link Script}&lt;String, {@link JsonObject},
     * {@link Ret0}&gt;</CODE>
     *
     * <BR /><BR />This {@code Script} instance must be <B STYLE='color:red'>executed</B> before the
     * browser receives the invocation-request.
     *
     * <BR /><BR />This Browser-Function <I>does not have</I> a return-value.  You may choose to
     * <B STYLE='color: red'>await</B> the {@link Promise}{@code <JsonObject,} {@link Ret0}
     * {@code >} to ensure the Browser Function has run to completion.
     */
    public static Script<String, JsonObject, Ret0> clearDeviceOrientationOverride()
    {
        final int          webSocketID = 22000000 + counter++;
        final boolean[]    optionals   = new boolean[0];
        
        // Convert Method Parameters into JSON.  Build the JSON Request-Object (as a String)
        String requestJSON = WriteJSON.get(
            parameterTypes.get("clearDeviceOrientationOverride"),
            parameterNames.get("clearDeviceOrientationOverride"),
            optionals, webSocketID,
            "DeviceOrientation.clearDeviceOrientationOverride"
        );
        
        // This Remote Command does not have a Return-Value.
        return new Script<>
            (webSocketID, requestJSON, VOID_RETURN.NoReturnValues);
    }
    
    /**
     * Overrides the Device Orientation.
     * 
     * @param alpha Mock alpha
     * 
     * @param beta Mock beta
     * 
     * @param gamma Mock gamma
     * 
     * @return An instance of <CODE>{@link Script}&lt;String, {@link JsonObject},
     * {@link Ret0}&gt;</CODE>
     *
     * <BR /><BR />This {@code Script} instance must be <B STYLE='color:red'>executed</B> before the
     * browser receives the invocation-request.
     *
     * <BR /><BR />This Browser-Function <I>does not have</I> a return-value.  You may choose to
     * <B STYLE='color: red'>await</B> the {@link Promise}{@code <JsonObject,} {@link Ret0}
     * {@code >} to ensure the Browser Function has run to completion.
     */
    public static Script<String, JsonObject, Ret0> setDeviceOrientationOverride
        (Number alpha, Number beta, Number gamma)
    {
        // Exception-Check(s) to ensure that if any parameters which are not declared as
        // 'Optional', but have a 'null' value anyway, that a NullPointerException shall throw.
        
        if (alpha == null) THROWS.throwNPE("alpha");
        if (beta == null)  THROWS.throwNPE("beta");
        if (gamma == null) THROWS.throwNPE("gamma");
        
        final int       webSocketID = 22001000 + counter++;
        final boolean[] optionals   = { false, false, false, };
        
        // Convert Method Parameters into JSON.  Build the JSON Request-Object (as a String)
        String requestJSON = WriteJSON.get(
            parameterTypes.get("setDeviceOrientationOverride"),
            parameterNames.get("setDeviceOrientationOverride"),
            optionals, webSocketID,
            "DeviceOrientation.setDeviceOrientationOverride",
            alpha, beta, gamma
        );
        
        // This Remote Command does not have a Return-Value.
        return new Script<>
            (webSocketID, requestJSON, VOID_RETURN.NoReturnValues);
    }
    
}