/*
 * Copyright (c) 2015-present, Horcrux.
 * All rights reserved.
 *
 * This source code is licensed under the MIT-style license found in the
 * LICENSE file in the root directory of this source tree.
 */


package com.horcrux.svg;

import com.facebook.react.bridge.Callback;
import com.facebook.react.bridge.ReactApplicationContext;
import com.facebook.react.bridge.ReactContextBaseJavaModule;
import com.facebook.react.bridge.ReactMethod;
import com.facebook.react.bridge.ReadableMap;
import com.facebook.react.bridge.UiThreadUtil;

import javax.annotation.Nonnull;

class SvgViewModule extends ReactContextBaseJavaModule {
    SvgViewModule(ReactApplicationContext reactContext) {
        super(reactContext);
    }

    @Nonnull
    @Override
    public String getName() {
        return "RNSVGSvgViewManager";
    }

    private static void toDataURL(final int tag, final ReadableMap options, final Callback successCallback, final int attempt) {
        UiThreadUtil.runOnUiThread(
                new Runnable() {
                    @Override
                    public void run() {
                        SvgView svg = SvgViewManager.getSvgViewByTag(tag);

                        if (svg == null) {
                            SvgViewManager.runWhenViewIsAvailable(tag, new Runnable() {
                                @Override
                                public void run() {
                                    SvgView svg = SvgViewManager.getSvgViewByTag(tag);
                                    if (svg == null) { // Should never happen
                                        return;
                                    }
                                    svg.setToDataUrlTask(new Runnable() {
                                        @Override
                                        public void run() {
                                            toDataURL(tag, options, successCallback, attempt + 1);
                                        }
                                    });
                                }
                            });
                        } else if (svg.notRendered()) {
                            svg.setToDataUrlTask(new Runnable() {
                                @Override
                                public void run() {
                                    toDataURL(tag, options, successCallback, attempt + 1);
                                }
                            });
                        } else {
                            if (options != null) {
                                successCallback.invoke(
                                        svg.toDataURL(
                                                options.getInt("width"),
                                                options.getInt("height")
                                        )
                                );
                            } else {
                                successCallback.invoke(svg.toDataURL());
                            }
                        }
                    }
                }
        );
    }

    @SuppressWarnings("unused")
    @ReactMethod
    public void toDataURL(int tag, ReadableMap options, Callback successCallback) {
        toDataURL(tag, options, successCallback, 0);
    }
}