import React, { memo, useMemo } from 'react';
import { StyleSheet, Text, View } from 'react-native';
import Ionicons from '@react-native-vector-icons/ionicons';

import { useTheme } from '../../../theme';
import type { CardPhysicalDelivery } from '../../../types/app';
import { formatDate } from '../../../utils/formatters';
import {
  getCardDeliveryProgressIndex,
  getCardDeliveryStatusLabel,
} from '../utils/cardCopy';

interface CardDeliveryStatusProps {
  delivery: CardPhysicalDelivery;
  compact?: boolean;
}

type DeliveryStep = {
  id: string;
  label: string;
};

const CardDeliveryStatusComponent = ({
  delivery,
  compact = false,
}: CardDeliveryStatusProps) => {
  const theme = useTheme();
  const statusLabel = getCardDeliveryStatusLabel(delivery);
  const progressIndex = getCardDeliveryProgressIndex(delivery);

  const steps = useMemo<DeliveryStep[]>(
    () =>
      delivery.mode === 'home'
        ? [
            { id: 'processing', label: 'Requested' },
            { id: 'personalizing', label: 'Prepared' },
            { id: 'shipped', label: 'In transit' },
            { id: 'delivered', label: 'Delivered' },
          ]
        : [
            { id: 'processing', label: 'Requested' },
            { id: 'personalizing', label: 'Prepared' },
            { id: 'ready-for-pickup', label: 'At branch' },
            { id: 'delivered', label: 'Collected' },
          ],
    [delivery.mode],
  );

  const accentColor =
    delivery.status === 'delivered'
      ? theme.colors.accentStrong
      : delivery.status === 'ready-for-pickup'
        ? theme.colors.warning
        : theme.colors.primary;
  const accentBackground =
    delivery.status === 'delivered'
      ? `${theme.colors.accent}12`
      : delivery.status === 'ready-for-pickup'
        ? `${theme.colors.warning}14`
        : `${theme.colors.primary}12`;
  const modeLabel = delivery.mode === 'home' ? 'Home delivery' : 'Branch pickup';

  return (
    <View style={styles.container}>
      <View style={styles.header}>
        <View style={styles.headerCopy}>
          <Text style={[styles.eyebrow, { color: theme.colors.textSecondary }]}>
            Physical card delivery
          </Text>
          <Text style={[styles.title, { color: theme.colors.textPrimary }]}>{statusLabel}</Text>
          <Text style={[styles.subtitle, { color: theme.colors.textSecondary }]}>
            {delivery.status === 'delivered'
              ? `Completed on ${formatDate(delivery.lastUpdatedAt)}`
              : `Expected by ${formatDate(delivery.estimatedDate)}`}
          </Text>
        </View>
        <View style={[styles.badge, { backgroundColor: accentBackground }]}>
          <Ionicons name="cube-outline" size={14} color={accentColor} />
          <Text style={[styles.badgeText, { color: accentColor }]}>{modeLabel}</Text>
        </View>
      </View>

      <View style={styles.metricsRow}>
        <View style={[styles.metricTile, { backgroundColor: theme.colors.surfaceMuted }]}>
          <Text style={[styles.metricLabel, { color: theme.colors.textSecondary }]}>
            Tracking ID
          </Text>
          <Text style={[styles.metricValue, { color: theme.colors.textPrimary }]}>
            {delivery.trackingId}
          </Text>
        </View>
        <View style={[styles.metricTile, { backgroundColor: theme.colors.surfaceMuted }]}>
          <Text style={[styles.metricLabel, { color: theme.colors.textSecondary }]}>
            Destination
          </Text>
          <Text
            numberOfLines={compact ? 1 : 2}
            style={[styles.metricValue, { color: theme.colors.textPrimary }]}
          >
            {delivery.destinationLabel}
          </Text>
        </View>
      </View>

      <View style={styles.timelineRow}>
        {steps.map((step, index) => {
          const isCompleted = index < progressIndex;
          const isCurrent = index === progressIndex;
          const activeColor = isCompleted || isCurrent ? accentColor : theme.colors.cardBorder;
          const timelineDotStyle = {
            backgroundColor: isCompleted || isCurrent ? activeColor : 'transparent',
            borderColor: activeColor,
          };
          const timelineLineStyle = {
            backgroundColor: index < progressIndex ? accentColor : theme.colors.cardBorder,
          };

          return (
            <View key={step.id} style={styles.timelineItem}>
              <View style={styles.timelineTopRow}>
                <View style={[styles.timelineDot, timelineDotStyle]}>
                  {isCompleted ? (
                    <Ionicons name="checkmark" size={10} color={theme.colors.white} />
                  ) : null}
                </View>
                {index !== steps.length - 1 ? (
                  <View style={[styles.timelineLine, timelineLineStyle]} />
                ) : null}
              </View>
              <Text
                style={[
                  styles.timelineLabel,
                  {
                    color:
                      isCompleted || isCurrent
                        ? theme.colors.textPrimary
                        : theme.colors.textMuted,
                  },
                ]}
              >
                {step.label}
              </Text>
            </View>
          );
        })}
      </View>

      {!compact ? (
        <View style={[styles.footerCard, { backgroundColor: theme.colors.surfaceMuted }]}>
          <View style={styles.footerRow}>
            <Text style={[styles.footerLabel, { color: theme.colors.textSecondary }]}>
              Requested
            </Text>
            <Text style={[styles.footerValue, { color: theme.colors.textPrimary }]}>
              {formatDate(delivery.requestedAt)}
            </Text>
          </View>
          <View style={styles.footerRow}>
            <Text style={[styles.footerLabel, { color: theme.colors.textSecondary }]}>
              Last updated
            </Text>
            <Text style={[styles.footerValue, { color: theme.colors.textPrimary }]}>
              {formatDate(delivery.lastUpdatedAt)}
            </Text>
          </View>
        </View>
      ) : null}
    </View>
  );
};

const styles = StyleSheet.create({
  container: {
    gap: 14,
  },
  header: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    alignItems: 'flex-start',
    gap: 12,
  },
  headerCopy: {
    flex: 1,
    gap: 4,
  },
  eyebrow: {
    fontSize: 11,
    fontWeight: '700',
    textTransform: 'uppercase',
    letterSpacing: 0.8,
  },
  title: {
    fontSize: 17,
    fontWeight: '800',
    letterSpacing: -0.2,
  },
  subtitle: {
    fontSize: 13,
    lineHeight: 18,
  },
  badge: {
    flexDirection: 'row',
    alignItems: 'center',
    gap: 6,
    borderRadius: 999,
    paddingHorizontal: 10,
    paddingVertical: 8,
  },
  badgeText: {
    fontSize: 12,
    fontWeight: '700',
  },
  metricsRow: {
    flexDirection: 'row',
    gap: 12,
  },
  metricTile: {
    flex: 1,
    borderRadius: 18,
    padding: 14,
    gap: 6,
  },
  metricLabel: {
    fontSize: 11,
    fontWeight: '700',
    textTransform: 'uppercase',
    letterSpacing: 0.7,
  },
  metricValue: {
    fontSize: 14,
    fontWeight: '800',
  },
  timelineRow: {
    flexDirection: 'row',
    alignItems: 'flex-start',
  },
  timelineItem: {
    flex: 1,
    gap: 8,
  },
  timelineTopRow: {
    flexDirection: 'row',
    alignItems: 'center',
  },
  timelineDot: {
    width: 20,
    height: 20,
    borderRadius: 10,
    borderWidth: 2,
    alignItems: 'center',
    justifyContent: 'center',
  },
  timelineLine: {
    flex: 1,
    height: 2,
    marginHorizontal: 6,
  },
  timelineLabel: {
    fontSize: 11,
    fontWeight: '700',
    lineHeight: 15,
  },
  footerCard: {
    borderRadius: 18,
    padding: 14,
    gap: 10,
  },
  footerRow: {
    flexDirection: 'row',
    justifyContent: 'space-between',
    gap: 12,
  },
  footerLabel: {
    fontSize: 12,
    fontWeight: '600',
  },
  footerValue: {
    fontSize: 12,
    fontWeight: '800',
  },
});

export const CardDeliveryStatus = memo(CardDeliveryStatusComponent);