package com.rnsimiselector.utils;

import com.facebook.react.bridge.Arguments;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.ReadableNativeMap;
import com.facebook.react.bridge.WritableMap;

import org.json.JSONObject;

import java.util.HashMap;
import java.util.Iterator;


public class RNUtils {
    /**
     * ReadableMap 转换成 JSONObject
     */
    public static JSONObject convertToJSONObject(ReadableMap properties) {
        if (properties == null) {
            return null;
        }

        JSONObject json = null;
        ReadableNativeMap nativeMap = null;
        try {
            nativeMap = (ReadableNativeMap) properties;
            json = new JSONObject(properties.toString());
            if (json.has("NativeMap")) {
                json = json.optJSONObject("NativeMap");
            } else {
                String superName = nativeMap.getClass().getSuperclass().getSimpleName();
                if (json.has(superName)) {
                    json = json.optJSONObject(superName);
                }
            }
        } catch (Exception e) {//
        }
        return json;
    }

    /**
     * JSONObject 转换成 WritableMap
     */
    public static WritableMap convertToMap(JSONObject json) {
        if (json == null || json.length() == 0) {
            return null;
        }
        WritableMap writableMap = Arguments.createMap();
        Iterator<String> it = json.keys();
        while (it.hasNext()) {
            try {
                String key = it.next();
                writableMap.putString(key, json.optString(key));
            } catch (Exception e) {//
            }
        }
        return writableMap;
    }

    /**
     * ReadableMap 转换成 HashMap
     */
    public static HashMap<String, Object> convertToHashMap(ReadableMap properties) {
        if (properties == null) {
            return null;
        }
        HashMap<String, Object> map = null;
        try {
            map = ((ReadableNativeMap) properties).toHashMap();
        } catch (Exception e) {//
        }
        return map;
    }

    /**
     * merge source JSONObject to dest JSONObject
     *
     * @param source
     * @param dest
     */
    public static void mergeJSONObject(final JSONObject source, JSONObject dest) {
        try {
            if (source == null) {
                return;
            }

            if (dest == null) {
                dest = new JSONObject();
            }

            Iterator<String> sourceIterator = source.keys();
            while (sourceIterator.hasNext()) {
                String key = sourceIterator.next();
                Object value = source.get(key);
                dest.put(key, value);
            }
        } catch (Exception ex) {//
        }
    }
}