import React from 'react';
import { View, Text, StyleSheet } from 'react-native';
import { AppColors } from '@/constants/theme';
import { Message } from '@/data/mockData';

interface ChatBubbleProps {
  message: Message;
}

export function ChatBubble({ message }: ChatBubbleProps) {
  const isAI = message.senderType === 'ai';

  return (
    <View style={[styles.container, isAI ? styles.aiContainer : styles.userContainer]}>
      {/* Avatar */}
      <View style={[styles.avatar, isAI ? styles.aiAvatar : styles.userAvatar]}>
        <Text style={styles.avatarEmoji}>{isAI ? '📖' : '👤'}</Text>
      </View>

      {/* Bubble */}
      <View style={[styles.bubble, isAI ? styles.aiBubble : styles.userBubble]}>
        <Text style={[styles.text, isAI ? styles.aiText : styles.userText]}>
          {message.content}
        </Text>
      </View>
    </View>
  );
}

// Typing indicator component
export function TypingIndicator() {
  return (
    <View style={[styles.container, styles.aiContainer]}>
      <View style={[styles.avatar, styles.aiAvatar]}>
        <Text style={styles.avatarEmoji}>📖</Text>
      </View>
      <View style={[styles.bubble, styles.aiBubble]}>
        <View style={styles.typingDots}>
          <View style={[styles.dot, styles.dot1]} />
          <View style={[styles.dot, styles.dot2]} />
          <View style={[styles.dot, styles.dot3]} />
        </View>
      </View>
    </View>
  );
}

// Time separator component
export function TimeSeparator({ time }: { time: string }) {
  return (
    <View style={styles.timeContainer}>
      <View style={styles.timeBadge}>
        <Text style={styles.timeText}>{time}</Text>
      </View>
    </View>
  );
}

const styles = StyleSheet.create({
  container: {
    flexDirection: 'row',
    marginBottom: 16,
    paddingHorizontal: 14,
  },
  aiContainer: {
    flexDirection: 'row',
  },
  userContainer: {
    flexDirection: 'row-reverse',
  },
  avatar: {
    width: 40,
    height: 40,
    borderRadius: 10,
    alignItems: 'center',
    justifyContent: 'center',
  },
  aiAvatar: {
    backgroundColor: AppColors.lavender,
    marginRight: 10,
  },
  userAvatar: {
    backgroundColor: AppColors.blushPink,
    marginLeft: 10,
  },
  avatarEmoji: {
    fontSize: 18,
  },
  bubble: {
    maxWidth: '70%',
    paddingVertical: 12,
    paddingHorizontal: 16,
    borderRadius: 18,
  },
  aiBubble: {
    backgroundColor: AppColors.white,
    borderTopLeftRadius: 4,
    shadowColor: AppColors.deepPurple,
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.06,
    shadowRadius: 8,
    elevation: 2,
  },
  userBubble: {
    backgroundColor: AppColors.mediumPurple,
    borderTopRightRadius: 4,
    shadowColor: AppColors.mediumPurple,
    shadowOffset: { width: 0, height: 2 },
    shadowOpacity: 0.3,
    shadowRadius: 8,
    elevation: 3,
  },
  text: {
    fontSize: 15,
    lineHeight: 22,
  },
  aiText: {
    color: AppColors.deepPurple,
  },
  userText: {
    color: AppColors.white,
  },
  // Typing indicator styles
  typingDots: {
    flexDirection: 'row',
    alignItems: 'center',
    height: 20,
    paddingHorizontal: 4,
  },
  dot: {
    width: 8,
    height: 8,
    borderRadius: 4,
    backgroundColor: AppColors.slatePurple,
    marginHorizontal: 2,
    opacity: 0.5,
  },
  dot1: {
    opacity: 1,
  },
  dot2: {
    opacity: 0.7,
  },
  dot3: {
    opacity: 0.4,
  },
  // Time separator styles
  timeContainer: {
    alignItems: 'center',
    marginVertical: 16,
  },
  timeBadge: {
    paddingVertical: 4,
    paddingHorizontal: 12,
    backgroundColor: 'rgba(140, 142, 163, 0.1)',
    borderRadius: 12,
  },
  timeText: {
    fontSize: 12,
    color: AppColors.slatePurple,
  },
});