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/*
 * Copyright 2018 jw362j.
 *
 * 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 com.hadoopz.MyDroidLib.util.json;

import com.hadoopz.MyDroidLib.util.DroidLogProvider;
import com.mycomm.IProtocol.json.JSONClass;
import com.mycomm.IProtocol.json.JSONField;
import com.mycomm.itool.SystemUtil;
import java.lang.reflect.Field;
import java.util.Map;
import org.json.JSONException;
import org.json.JSONObject;

/**
 *
 * @author jw362j
 */
public class DroidJsonHandler {

    public static void ReadJson(Object instance, JSONObject data) throws JSONException, IllegalArgumentException, IllegalAccessException {
        ReadJson(instance, data, null);
    }

    public static void ReadJson(Object instance, JSONObject data, DroidLogProvider logProvider) throws JSONException, IllegalArgumentException, IllegalAccessException {
        if (instance == null || data == null) {
            throw new IllegalArgumentException("instance or data is null in DroidJsonHandler.ReadJson()");
        }
        Class jclzz = instance.getClass();
        if (!jclzz.isAnnotationPresent(JSONClass.class)) {
            return;
//            throw new RuntimeException("the JSONClass Annotation is not there!class is:" + jclzz);
        }
        Field[] fields = jclzz.getDeclaredFields();
        if (fields == null || fields.length == 0) {
            logMe(logProvider, "field is null!");
            return;
        }
        for (Field field : fields) {
            field.setAccessible(true);
            if (!field.isAnnotationPresent(JSONField.class)) {
                logMe(logProvider, "the field " + field + " is not JSONField!");
                continue;
            }
            JSONField jSONField = (JSONField) field.getAnnotation(JSONField.class);
            logMe(logProvider, "the field " + jSONField + " is JSONField!");
            String jsonKeyName = jSONField.name();
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                jsonKeyName = field.getName();
            }
            logMe(logProvider, "the jsonKeyName " + jsonKeyName);
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                logMe(logProvider, "the crazy thing is happenning! ");
                continue;
            }
            if (!data.has(jsonKeyName)) {
                logMe(logProvider, "the JSONObject does not have " + jsonKeyName + " field!");
                continue;
            }
            Object jsonValue = data.get(jsonKeyName);
            String realDataTypeInJson = jsonValue.getClass().toString();
            logMe(logProvider, "the object value in JSONObject data is:" + jsonValue);
            if (jsonValue == null) {
                logMe(logProvider, "the object value in JSONObject data is null !");
                continue;
            }
            String JType = field.getType().toString().toLowerCase();

            if (JType.contains("byte")) {
                logMe(logProvider, "the data type is byte !");
                throw new RuntimeException("the JSONClass is not support bytes!");
                //field.setByte(instance, "");
            }

            if (JType.contains("short")) {
                logMe(logProvider, "the data type is short !");
                if (SystemUtil.isNumberString(jsonValue.toString())) {
                    field.setShort(instance, Short.valueOf(jsonValue.toString()));
                }
            }
            if (JType.contains("float")) {
                logMe(logProvider, "the data type is float !");
                if (SystemUtil.isNumberString(jsonValue.toString())) {
                    field.setFloat(instance, Float.valueOf(jsonValue.toString()));
                }
            }
            if (JType.contains("double")) {
                logMe(logProvider, "the data type is double !");  
                 if (SystemUtil.isNumberString(jsonValue.toString())) {
                     field.setDouble(instance, Double.valueOf(jsonValue.toString()));
                 }
            }
            if (JType.contains("int")) {
                logMe(logProvider, "the data type is int !");
                if(realDataTypeInJson.contains("java.lang.Integer")){
                    field.setInt(instance, data.getInt(jsonKeyName));
                }
            }
            if (JType.contains("long")) {
                logMe(logProvider, "the data type is long !");
                if (SystemUtil.isNumberString(jsonValue.toString())) {
                     field.setLong(instance, Long.valueOf(jsonValue.toString()));
                 }                
            }
            if (JType.contains("boolean")) {
                logMe(logProvider, "the data type is boolean !");
                field.setBoolean(instance, data.getBoolean(jsonKeyName));
            }
            if (JType.contains("string")) {
                logMe(logProvider, "the data type is string !");
                field.set(instance, jsonValue);
            }
            if (JType.contains("char")) {
                logMe(logProvider, "the data type is char !");
//                    field.setChar(instance, Character.);
            }
            if (JType.contains("date")) {
                logMe(logProvider, "the data type is date !");

            }

        }

    }

    public static void ReadMap(Object instance, Map data) throws JSONException, IllegalArgumentException, IllegalAccessException {
        ReadMap(instance, data, null);
    }

    public static void ReadMap(Object instance, Map data, DroidLogProvider logProvider) throws JSONException, IllegalArgumentException, IllegalAccessException {
        if (instance == null || data == null) {
            throw new IllegalArgumentException("instance or data is null in DroidJsonHandler.ReadJson()");
        }
        Class jclzz = instance.getClass();
        if (!jclzz.isAnnotationPresent(JSONClass.class)) {
            throw new RuntimeException("the JSONClass Annotation is not there!class is:" + jclzz);
        }
        Field[] fields = jclzz.getDeclaredFields();
        if (fields == null || fields.length == 0) {
            logMe(logProvider, "field is null!");
            return;
        }
        for (Field field : fields) {
            field.setAccessible(true);
            if (!field.isAnnotationPresent(JSONField.class)) {
                logMe(logProvider, "the field " + field + " is not JSONField!");
                continue;
            }
            JSONField jSONField = (JSONField) field.getAnnotation(JSONField.class);
            logMe(logProvider, "the field " + jSONField + " is JSONField!");
            String jsonKeyName = jSONField.name();
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                jsonKeyName = field.getName();
            }
            logMe(logProvider, "the jsonKeyName " + jsonKeyName);
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                logMe(logProvider, "the crazy thing is happenning! ");
                continue;
            }
            if (data.get(jsonKeyName) == null) {
                logMe(logProvider, "the JSONObject does not have " + jsonKeyName + " field!");
                continue;
            }
            String jsonValue = data.get(jsonKeyName);
            logMe(logProvider, "the object value in JSONObject data is:" + jsonValue);
            if (jsonValue == null) {
                logMe(logProvider, "the object value in JSONObject data is null !");
                continue;
            }
            String JType = field.getType().toString().toLowerCase();

            if (JType.contains("byte")) {
                logMe(logProvider, "the data type is byte !");
                throw new RuntimeException("the JSONClass is not support bytes!");
                //field.setByte(instance, "");
            }

            if (JType.contains("short")) {
                logMe(logProvider, "the data type is short !");
                if (SystemUtil.isNumberString(jsonValue)) {
                    field.setShort(instance, Short.valueOf(jsonValue));
                }
            }
            if (JType.contains("float")) {
                logMe(logProvider, "the data type is float !");
                if (SystemUtil.isNumberString(jsonValue)) {
                    field.setFloat(instance, Float.valueOf(jsonValue));
                }
            }
            if (JType.contains("double")) {
                logMe(logProvider, "the data type is double !");
                if (SystemUtil.isNumberString(jsonValue)) {
                    field.setDouble(instance, Double.valueOf(jsonValue));
                }
            }
            if (JType.contains("int")) {
                logMe(logProvider, "the data type is int !");
                if (SystemUtil.isNumberString(jsonValue)) {
                    field.setInt(instance, Integer.valueOf(jsonValue));
                }
            }
            if (JType.contains("long")) {
                logMe(logProvider, "the data type is long !");
                if (SystemUtil.isNumberString(jsonValue)) {
                    field.setLong(instance, Long.valueOf(jsonValue));
                }
            }
            if (JType.contains("boolean")) {
                logMe(logProvider, "the data type is boolean !");
                boolean rs = false;
                if ("1".equals(jsonValue) || "yes".equals(jsonValue) || "ok".equals(jsonValue) || "true".equals(jsonValue)) {
                    rs = true;
                }
                field.setBoolean(instance, rs);
            }
            if (JType.contains("string")) {
                logMe(logProvider, "the data type is string !");
                field.set(instance, jsonValue);
            }
            if (JType.contains("char")) {
                logMe(logProvider, "the data type is char !");
//                    field.setChar(instance, Character.);
            }
            if (JType.contains("date")) {
                logMe(logProvider, "the data type is date !");

            }

        }

    }

    public static String BuildJsonString(Object instance) throws JSONException, IllegalArgumentException, IllegalAccessException {
        return BuildJsonString(instance, null);
    }

    public static String BuildJsonString(Object instance, DroidLogProvider logProvider) throws JSONException, IllegalArgumentException, IllegalAccessException {
        if (instance == null) {
            throw new IllegalArgumentException("instance is null in DroidJsonHandler.WriteJson()");
        }
        Class jclzz = instance.getClass();
        if (!jclzz.isAnnotationPresent(JSONClass.class)) {
            throw new RuntimeException("the JSONClass Annotation is not there!class is:" + jclzz);
        }
        Field[] fields = jclzz.getDeclaredFields();
        if (fields == null || fields.length == 0) {
            logMe(logProvider, "field is null!");
            return null;
        }
        JSONObject jsonObject = new JSONObject();

        for (Field field : fields) {
            field.setAccessible(true);
            if (!field.isAnnotationPresent(JSONField.class)) {
                logMe(logProvider, "the field " + field + " is not JSONField!");
                continue;
            }
            JSONField jSONField = (JSONField) field.getAnnotation(JSONField.class);
            logMe(logProvider, "the field " + jSONField + " is JSONField!");
            String jsonKeyName = jSONField.name();
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                jsonKeyName = field.getName();
            }
            logMe(logProvider, "the jsonKeyName " + jsonKeyName);
            if (SystemUtil.isTxtEmpty(jsonKeyName)) {
                logMe(logProvider, "the crazy thing is happenning! ");
                continue;
            }
            String JType = field.getType().toString().toLowerCase();
            if (JType.contains("byte")) {
                logMe(logProvider, "the data type is byte !");
                throw new RuntimeException("the JSONClass is not support bytes!");
                //field.setByte(instance, "");
            }

            if (JType.contains("short")) {
                logMe(logProvider, "the data type is short !");
                jsonObject.put(jsonKeyName, field.getShort(instance));
            }
            if (JType.contains("float")) {
                logMe(logProvider, "the data type is float !");
                jsonObject.put(jsonKeyName, field.getFloat(instance));
            }
            if (JType.contains("double")) {
                logMe(logProvider, "the data type is double !");
                jsonObject.put(jsonKeyName, field.getDouble(instance));
            }
            if (JType.contains("int")) {
                logMe(logProvider, "the data type is int !");
                jsonObject.put(jsonKeyName, field.getInt(instance));
            }
            if (JType.contains("long")) {
                logMe(logProvider, "the data type is long !");
                field.setLong(instance, field.getLong(jsonKeyName));
            }
            if (JType.contains("boolean")) {
                logMe(logProvider, "the data type is boolean !");
                jsonObject.put(jsonKeyName, field.getBoolean(instance));
            }
            if (JType.contains("string")) {
                logMe(logProvider, "the data type is string !");
                jsonObject.put(jsonKeyName, field.get(instance));
            }
            if (JType.contains("char")) {
                logMe(logProvider, "the data type is char !");
                jsonObject.put(jsonKeyName, field.getChar(instance));
            }
            if (JType.contains("date")) {
                logMe(logProvider, "the data type is date !");
                //jsonObject.put(jsonKeyName, field.getChar(instance));
            }

        }

        String rs = jsonObject.toString();
        logMe(logProvider, rs);
        return rs;
    }

    private static void logMe(DroidLogProvider logProvider, String msg) {
        if (logProvider != null) {
            logProvider.d("DroidJsonHandler", msg);
        }
    }
}




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