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/*
 * Copyright 2016 Carlos Ballesteros Velasco
 *
 * 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 java.lang.reflect;

import java.lang.annotation.Annotation;

public final class Field extends AccessibleObject implements Member {
    private Class clazz;
    private String name;
    //private Class type = null;
    protected int modifiers;
    private int slot;
    private transient String signature;
    private transient String genericSignature;
    private byte[] annotations;
    //private transient FieldRepository genericInfo;

    native public Annotation[] getDeclaredAnnotations();

    private Field() {
    }

    public Class getDeclaringClass() {
        return clazz;
    }

    public String getName() {
        return name;
    }

    public int getModifiers() {
        return modifiers;
    }

    public boolean isEnumConstant() {
        return (getModifiers() & Modifier.ENUM) != 0;
    }

    public boolean isSynthetic() {
        return (getModifiers() & Modifier.SYNTHETIC) != 0;
    }

    public Class getType() {
        //return type;
        try {
            return Class.forName(signature);
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    private Type genericType;
    public Type getGenericType() {
        if (genericType == null) {
            if (genericSignature != null) {
                genericType = _InternalUtils.parseType(genericSignature, null);
            } else {
                genericType = getType();
            }
        }
        return genericType;
    }

    public boolean equals(Object obj) {
        if (obj != null && obj instanceof Field) {
            Field other = (Field) obj;
            return (getDeclaringClass() == other.getDeclaringClass()) && (getName().equals(other.getName())) && (getType() == other.getType());
        }
        return false;
    }

    public int hashCode() {
        return getDeclaringClass().getName().hashCode() ^ getName().hashCode();
    }

    public String toString() {
        int mod = getModifiers();
        return (((mod == 0) ? "" : (Modifier.toString(mod) + " ")) + _InternalUtils.getTypeName(getType()) + " " + _InternalUtils.getTypeName(getDeclaringClass()) + "." + getName());
    }

    native public Object get(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public boolean getBoolean(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public byte getByte(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public char getChar(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public short getShort(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public int getInt(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public long getLong(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public float getFloat(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public double getDouble(Object obj) throws IllegalArgumentException, IllegalAccessException;

    native public void set(Object obj, Object value) throws IllegalArgumentException, IllegalAccessException;

    native public void setBoolean(Object obj, boolean z) throws IllegalArgumentException, IllegalAccessException;

    native public void setByte(Object obj, byte b) throws IllegalArgumentException, IllegalAccessException;

    native public void setChar(Object obj, char c) throws IllegalArgumentException, IllegalAccessException;

    native public void setShort(Object obj, short s) throws IllegalArgumentException, IllegalAccessException;

    native public void setInt(Object obj, int i) throws IllegalArgumentException, IllegalAccessException;

    native public void setLong(Object obj, long l) throws IllegalArgumentException, IllegalAccessException;

    native public void setFloat(Object obj, float f) throws IllegalArgumentException, IllegalAccessException;

    native public void setDouble(Object obj, double d) throws IllegalArgumentException, IllegalAccessException;

    public  T getAnnotation(Class annotationClass) {
        return super.getAnnotation(annotationClass);
    }

}