package com.github.douglasjunior.reactNativeNotifree.messaging;

// taken from https://github.com/facebook/facebook-android-sdk/blob/master/facebook/src/main/java/com/facebook/internal/BundleJSONConverter.java

/*
 * Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
 * <p>
 * You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
 * copy, modify, and distribute this software in source code or binary form for use
 * in connection with the web services and APIs provided by Facebook.
 * <p>
 * As with any software that integrates with the Facebook platform, your use of
 * this software is subject to the Facebook Developer Principles and Policies
 * [http://developers.facebook.com/policy/]. This copyright notice shall be
 * included in all copies or substantial portions of the software.
 * <p>
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 */


import android.os.Bundle;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

/**
 * com.facebook.internal is solely for the use of other packages within the Facebook SDK for
 * Android. Use of any of the classes in this package is unsupported, and they may be modified or
 * removed without warning at any time.
 * <p>
 * A helper class that can round trip between JSON and Bundle objects that contains the types:
 * Boolean, Integer, Long, Double, String
 * If other types are found, an IllegalArgumentException is thrown.
 */
public class BundleJSONConverter {
    private static final Map<Class<?>, Setter> SETTERS = new HashMap<>();

    static {
        SETTERS.put(Boolean.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                bundle.putBoolean(key, (Boolean) value);
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                json.put(key, value);
            }
        });
        SETTERS.put(Integer.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                bundle.putInt(key, (Integer) value);
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                json.put(key, value);
            }
        });
        SETTERS.put(Long.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                bundle.putLong(key, (Long) value);
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                json.put(key, value);
            }
        });
        SETTERS.put(Double.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                bundle.putDouble(key, (Double) value);
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                json.put(key, value);
            }
        });
        SETTERS.put(String.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                bundle.putString(key, (String) value);
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                json.put(key, value);
            }
        });
        SETTERS.put(String[].class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                throw new IllegalArgumentException("Unexpected type from JSON");
            }

            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                JSONArray jsonArray = new JSONArray();
                for (String stringValue : (String[]) value) {
                    jsonArray.put(stringValue);
                }
                json.put(key, jsonArray);
            }
        });

        SETTERS.put(JSONArray.class, new Setter() {
            public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException {
                JSONArray jsonArray = (JSONArray) value;
                // Assume an empty list is an ArrayList<String>
                if (jsonArray.length() == 0 || jsonArray.get(0) instanceof String) {
                    ArrayList<String> stringArrayList = new ArrayList<>();
                    for (int i = 0; i < jsonArray.length(); i++) {
                        stringArrayList.add((String) jsonArray.get(i));
                    }
                    bundle.putStringArrayList(key, stringArrayList);
                } else if (jsonArray.get(0) instanceof Integer) {
                    ArrayList<Integer> integerArrayList = new ArrayList<>();
                    for (int i = 0; i < jsonArray.length(); i++) {
                        integerArrayList.add((Integer) jsonArray.get(i));
                    }
                    bundle.putIntegerArrayList(key, integerArrayList);
                } else if (jsonArray.get(0) instanceof Boolean) {
                    boolean[] booleanArray = new boolean[jsonArray.length()];
                    for (int i = 0; i < jsonArray.length(); i++) {
                        booleanArray[i] = (Boolean) jsonArray.get(i);
                    }
                    bundle.putBooleanArray(key, booleanArray);
                } else if (jsonArray.get(0) instanceof Double) {
                    double[] doubleArray = new double[jsonArray.length()];
                    for (int i = 0; i < jsonArray.length(); i++) {
                        doubleArray[i] = (Double) jsonArray.get(i);
                    }
                    bundle.putDoubleArray(key, doubleArray);
                } else if (jsonArray.get(0) instanceof Long) {
                    long[] longArray = new long[jsonArray.length()];
                    for (int i = 0; i < jsonArray.length(); i++) {
                        longArray[i] = (Long) jsonArray.get(i);
                    }
                    bundle.putLongArray(key, longArray);
                } else if (jsonArray.get(0) instanceof JSONObject) {
                    ArrayList<Bundle> bundleArrayList = new ArrayList<>();
                    for (int i = 0; i < jsonArray.length(); i++) {
                        bundleArrayList.add(convertToBundle((JSONObject) jsonArray.get(i)));
                    }
                    bundle.putSerializable(key, bundleArrayList);
                } else {
                    throw new IllegalArgumentException("Unexpected type in an array: " + jsonArray
                            .get(0)
                            .getClass());
                }
            }

            @Override
            public void setOnJSON(JSONObject json, String key, Object value) throws JSONException {
                throw new IllegalArgumentException("JSONArray's are not supported in bundles.");
            }
        });
    }

    public static JSONObject convertToJSON(Bundle bundle) throws JSONException {
        JSONObject json = new JSONObject();

        for (String key : bundle.keySet()) {
            Object value = bundle.get(key);
            if (value == null) {
                // Null is not supported.
                continue;
            }

            // Special case List<?> as getClass would not work, since List is an interface
            if (value instanceof List<?>) {
                JSONArray jsonArray = new JSONArray();
                List<Object> listValue = (List<Object>) value;
                for (Object objValue : listValue) {
                    if (objValue instanceof String
                            || objValue instanceof Integer
                            || objValue instanceof Double
                            || objValue instanceof Long
                            || objValue instanceof Boolean) {
                        jsonArray.put(objValue);
                    } else if (objValue instanceof Bundle) {
                        jsonArray.put(convertToJSON((Bundle) objValue));
                    } else {
                        throw new IllegalArgumentException("Unsupported type: " + objValue.getClass());
                    }
                }
                json.put(key, jsonArray);
                continue;
            }

            // Special case Bundle as it's one way, on the return it will be JSONObject
            if (value instanceof Bundle) {
                json.put(key, convertToJSON((Bundle) value));
                continue;
            }

            Setter setter = SETTERS.get(value.getClass());
            if (setter == null) {
                throw new IllegalArgumentException("Unsupported type: " + value.getClass());
            }
            setter.setOnJSON(json, key, value);
        }

        return json;
    }

    public static Bundle convertToBundle(JSONObject jsonObject) throws JSONException {
        Bundle bundle = new Bundle();
        @SuppressWarnings("unchecked")
        Iterator<String> jsonIterator = jsonObject.keys();
        while (jsonIterator.hasNext()) {
            String key = jsonIterator.next();
            Object value = jsonObject.get(key);
            if (value == null || value == JSONObject.NULL) {
                // Null is not supported.
                continue;
            }

            // Special case JSONObject as it's one way, on the return it would be Bundle.
            if (value instanceof JSONObject) {
                bundle.putBundle(key, convertToBundle((JSONObject) value));
                continue;
            }

            Setter setter = SETTERS.get(value.getClass());
            if (setter == null) {
                throw new IllegalArgumentException("Unsupported type: " + value.getClass());
            }
            setter.setOnBundle(bundle, key, value);
        }

        return bundle;
    }

    public interface Setter {
        public void setOnBundle(Bundle bundle, String key, Object value) throws JSONException;

        public void setOnJSON(JSONObject json, String key, Object value) throws JSONException;
    }
}