import {useBottomTabBarHeight} from '@react-navigation/bottom-tabs';
import {StackNavigationProp} from '@react-navigation/stack';
import React, {useContext} from 'react';
import {StyleSheet} from 'react-native';
import {SafeAreaView, useSafeAreaInsets} from 'react-native-safe-area-context';
import {
  Channel,
  Chat,
  MessageInput,
  MessageList,
  OverlayProvider,
} from 'stream-chat-react-native';
import {ChatContext} from '../../App';
import ChatHeader from '../../components/messages/ChatHeader';
import {TAGG_LIGHT_BLUE} from '../../constants';
import {MainStackParams} from '../../routes';
import {ScreenType} from '../../types';
import {HeaderHeight, isIPhoneX, SCREEN_WIDTH} from '../../utils';

type ChatScreenNavigationProp = StackNavigationProp<MainStackParams, 'Chat'>;
interface ChatScreenProps {
  navigation: ChatScreenNavigationProp;
}
/*
 * Screen that displays all of the user's active conversations.
 */
const ChatScreen: React.FC<ChatScreenProps> = () => {
  const {channel, chatClient} = useContext(ChatContext);
  const tabbarHeight = useBottomTabBarHeight();
  const insets = useSafeAreaInsets();

  const chatTheme = {
    messageList: {
      container: {
        backgroundColor: 'white',
      },
    },
  };

  return (
    <OverlayProvider bottomInset={80} topInset={insets.top + HeaderHeight}>
      <SafeAreaView
        style={[
          styles.container,
          // unable to figure out the padding issue, a hacky solution
          {paddingBottom: isIPhoneX() ? tabbarHeight + 20 : tabbarHeight + 50},
        ]}>
        <ChatHeader screenType={ScreenType.Chat} />
        <Chat client={chatClient} style={chatTheme}>
          <Channel
            channel={channel}
            keyboardVerticalOffset={0}
            OverlayReactionList={() => null}
            messageActions={({copyMessage, deleteMessage}) => [
              copyMessage,
              deleteMessage,
            ]}>
            <MessageList onThreadSelect={() => {}} />
            <MessageInput />
          </Channel>
        </Chat>
      </SafeAreaView>
    </OverlayProvider>
  );
};

const styles = StyleSheet.create({
  container: {
    backgroundColor: 'white',
    flex: 1,
  },

  submitButton: {
    height: 35,
    width: 35,
    backgroundColor: TAGG_LIGHT_BLUE,
    borderRadius: 999,
    justifyContent: 'center',
    alignItems: 'center',
    bottom: -5,
    alignSelf: 'flex-end',
  },
  messageText: {
    width: 196,
    paddingHorizontal: 23,
    paddingTop: 7.35,
    paddingBottom: 12,
  },
  mainBubbleContainer: {
    marginVertical: 1,
    width: SCREEN_WIDTH,
    flexDirection: 'row',
  },
  mainOwnBubbleContainer: {
    justifyContent: 'flex-end', // Different
    marginTop: 22,
  },
  mainUserXBubbleContainer: {
    justifyContent: 'flex-start',
  },
  avatar: {
    width: 40,
    height: 40,
    borderRadius: 20,
    right: -19,
    zIndex: 1,
    position: 'absolute',
    top: 0,
    left: 0,
  },
  ownBubbleContainer: {width: 241, marginBottom: 9},
  ownBubble: {
    maxWidth: 270,
    backgroundColor: '#DEE6F4',
    borderColor: '#DEE6F4',
    borderWidth: 1,
    borderRadius: 10,
    alignSelf: 'center',
  },
  userXBubble: {
    maxWidth: 235,
    backgroundColor: '#E4F0F2',
    borderColor: '#E4F0F2',
    borderWidth: 1,
    borderRadius: 10,
    zIndex: 0,
    alignSelf: 'flex-end',
    marginLeft: 25,
    marginTop: 14,
  },
});

export default ChatScreen;