/*
 * Copyright (c) 2018, Daniel Gultsch All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this
 * list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 * this list of conditions and the following disclaimer in the documentation and/or
 * other materials provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors
 * may be used to endorse or promote products derived from this software without
 * specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package eu.siacs.conversations.ui.util;

import android.app.Activity;
import android.content.SharedPreferences;
import android.content.res.TypedArray;
import android.preference.PreferenceManager;

import eu.siacs.conversations.R;
import eu.siacs.conversations.entities.Conversation;
import eu.siacs.conversations.entities.Presence;
import eu.siacs.conversations.ui.ConversationFragment;
import eu.siacs.conversations.utils.UIHelper;

public class SendButtonTool {

	public static SendButtonAction getAction(final Activity activity, final Conversation c, final String text) {
		if (activity == null) {
			return SendButtonAction.TEXT;
		}
		final SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(activity);
		final boolean empty = text.length() == 0;
		final boolean conference = c.getMode() == Conversation.MODE_MULTI;
		if (c.getCorrectingMessage() != null && (empty || text.equals(c.getCorrectingMessage().getBody()))) {
			return SendButtonAction.CANCEL;
		} else if (conference && !c.getAccount().httpUploadAvailable()) {
			if (empty && c.getNextCounterpart() != null) {
				return SendButtonAction.CANCEL;
			} else {
				return SendButtonAction.TEXT;
			}
		} else {
			if (empty) {
				if (conference && c.getNextCounterpart() != null) {
					return SendButtonAction.CANCEL;
				} else {
					String setting = preferences.getString("quick_action", activity.getResources().getString(R.string.quick_action));
					if (!"none".equals(setting) && UIHelper.receivedLocationQuestion(c.getLatestMessage())) {
						return SendButtonAction.SEND_LOCATION;
					} else {
						if ("recent".equals(setting)) {
							setting = preferences.getString(ConversationFragment.RECENTLY_USED_QUICK_ACTION, SendButtonAction.TEXT.toString());
							return SendButtonAction.valueOfOrDefault(setting);
						} else {
							return SendButtonAction.valueOfOrDefault(setting);
						}
					}
				}
			} else {
				return SendButtonAction.TEXT;
			}
		}
	}

	public static int getSendButtonImageResource(Activity activity, SendButtonAction action, Presence.Status status) {
		switch (action) {
			case TEXT:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_text_online;
					case AWAY:
						return R.drawable.ic_send_text_away;
					case XA:
					case DND:
						return R.drawable.ic_send_text_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline);
				}
			case RECORD_VIDEO:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_videocam_online;
					case AWAY:
						return R.drawable.ic_send_videocam_away;
					case XA:
					case DND:
						return R.drawable.ic_send_videocam_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_videocam_offline, R.drawable.ic_send_videocam_offline);
				}
			case TAKE_PHOTO:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_photo_online;
					case AWAY:
						return R.drawable.ic_send_photo_away;
					case XA:
					case DND:
						return R.drawable.ic_send_photo_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_photo_offline, R.drawable.ic_send_photo_offline);
				}
			case RECORD_VOICE:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_voice_online;
					case AWAY:
						return R.drawable.ic_send_voice_away;
					case XA:
					case DND:
						return R.drawable.ic_send_voice_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_voice_offline, R.drawable.ic_send_voice_offline);
				}
			case SEND_LOCATION:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_location_online;
					case AWAY:
						return R.drawable.ic_send_location_away;
					case XA:
					case DND:
						return R.drawable.ic_send_location_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_location_offline, R.drawable.ic_send_location_offline);
				}
			case CANCEL:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_cancel_online;
					case AWAY:
						return R.drawable.ic_send_cancel_away;
					case XA:
					case DND:
						return R.drawable.ic_send_cancel_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_cancel_offline, R.drawable.ic_send_cancel_offline);
				}
			case CHOOSE_PICTURE:
				switch (status) {
					case CHAT:
					case ONLINE:
						return R.drawable.ic_send_picture_online;
					case AWAY:
						return R.drawable.ic_send_picture_away;
					case XA:
					case DND:
						return R.drawable.ic_send_picture_dnd;
					default:
						return getThemeResource(activity, R.attr.ic_send_picture_offline, R.drawable.ic_send_picture_offline);
				}
		}
		return getThemeResource(activity, R.attr.ic_send_text_offline, R.drawable.ic_send_text_offline);
	}

	private static int getThemeResource(Activity activity, int r_attr_name, int r_drawable_def) {
		int[] attrs = {r_attr_name};
		TypedArray ta = activity.getTheme().obtainStyledAttributes(attrs);

		int res = ta.getResourceId(0, r_drawable_def);
		ta.recycle();

		return res;
	}

}