import React from 'react';
import { View, Text } from 'react-native';
import { useTheme } from '../theme/ThemeProvider';
import { useTranslation } from 'react-i18next';
import SubscriptionButton from './SubscriptionButton';
import ManaIcon from './ManaIcon';
import colors from '~/tailwind.config.js';

export interface SubscriptionPlanProps {
  id: string;
  name: string;
  price: number;
  priceString: string;
  currencyCode: string;
  priceBreakdown?: string;
  monthlyMana: number;
  canGiftMana: boolean;
  popular?: boolean;
  billingCycle?: 'monthly' | 'yearly';
  monthlyEquivalent?: number;
  isTeamSubscription?: boolean;
  isEnterpriseSubscription?: boolean;
}

interface SubscriptionCardProps {
  plan: SubscriptionPlanProps;
  onSelect: (planId: string) => void;
  isCurrentPlan?: boolean;
  isLegacy?: boolean;
}

export const SubscriptionCard: React.FC<SubscriptionCardProps> = ({
  plan,
  onSelect,
  isCurrentPlan = false,
  isLegacy = false,
}) => {
  const { isDark, themeVariant, tw } = useTheme();
  const { t } = useTranslation();

  const formatPrice = (plan: SubscriptionPlanProps) => {
    // Use priceString from RevenueCat if available, otherwise format the price
    return plan.priceString || `${plan.price.toFixed(2).replace('.', ',')}€`;
  };

  // Theme-aware colors using the same system as MemoPreview and SettingsToggle
  const themeColors = (colors as any).theme?.extend?.colors;
  const textColor = isDark ? '#FFFFFF' : '#000000';
  const secondaryTextColor = isDark ? 'rgba(255,255,255,0.7)' : 'rgba(0,0,0,0.7)';
  const bgColor = isDark
    ? themeColors?.dark?.[themeVariant]?.contentBackground || '#1E1E1E'
    : themeColors?.[themeVariant]?.contentBackground || '#FFFFFF';
  const borderColor = isDark
    ? themeColors?.dark?.[themeVariant]?.border || '#424242'
    : themeColors?.[themeVariant]?.border || '#e6e6e6';
  const accentColor = '#4287f5'; // Konsistente Mana-Farbe (identisch mit Tailwind mana)
  const cardBgColor = isDark ? 'rgba(255,255,255,0.03)' : 'rgba(0,0,0,0.02)';

  // Tier-specific background colors and sizes for Mana icon
  const getTierStyles = () => {
    switch (plan.id) {
      case 'free':
        return { bg: '#F5F5F5', icon: '#9E9E9E', bgSize: '30%' }; // Smallest background
      case 'Mana_Stream_Small_v1':
      case 'Mana_Stream_Small_Yearly_v1':
        return { bg: '#E3F2FD', icon: '#2196F3', bgSize: '45%' }; // Light blue 50 / Blue 500
      case 'Mana_Stream_Medium_v1':
      case 'Mana_Stream_Medium_Yearly_v1':
        return { bg: '#BBDEFB', icon: '#1976D2', bgSize: '60%' }; // Light blue 100 / Blue 700
      case 'Mana_Stream_Large_v1':
      case 'Mana_Stream_Large_Yearly_v1':
        return { bg: '#90CAF9', icon: '#1565C0', bgSize: '75%' }; // Light blue 200 / Blue 800
      case 'Mana_Stream_Giant_v1':
      case 'Mana_Stream_Giant_Yearly_v1':
        return { bg: '#64B5F6', icon: '#0D47A1', bgSize: '90%' }; // Light blue 300 / Blue 900 - Max size
      default:
        // Legacy plans get a neutral blue and medium size
        return { bg: '#E1F5FE', icon: '#0288D1', bgSize: '50%' };
    }
  };

  const tierStyles = getTierStyles();

  return (
    <View
      style={{
        backgroundColor: isCurrentPlan
          ? isDark
            ? 'rgba(66, 135, 245, 0.1)'
            : 'rgba(66, 135, 245, 0.05)'
          : bgColor,
        borderRadius: 12,
        padding: 16,
        borderWidth: isCurrentPlan ? 2 : 1,
        borderColor: isCurrentPlan ? accentColor : plan.popular ? accentColor : borderColor,
      }}>
      {isCurrentPlan && (
        <View
          style={{
            position: 'absolute',
            top: -10,
            left: 16,
            backgroundColor: accentColor,
            borderRadius: 12,
            paddingHorizontal: 10,
            paddingVertical: 4,
          }}>
          <Text style={{ color: '#FFFFFF', fontSize: 12, fontWeight: 'bold' as const }}>
            {isLegacy
              ? t('subscription.legacy_plan', 'Legacy Plan')
              : t('subscription.current_plan', 'Current Plan')}
          </Text>
        </View>
      )}
      {plan.popular && !isCurrentPlan && (
        <View
          style={{
            position: 'absolute',
            top: -10,
            right: 16,
            backgroundColor: accentColor,
            borderRadius: 12,
            paddingHorizontal: 10,
            paddingVertical: 4,
          }}>
          <Text style={{ color: '#000000', fontSize: 12, fontWeight: 'bold' as const }}>
            {t('subscription.popular', 'Popular')}
          </Text>
        </View>
      )}

      {/* Tier Name - full width */}
      <Text
        style={{
          color: textColor,
          fontSize: 18,
          fontWeight: 'bold' as const,
          marginBottom: 16,
          textAlign: 'center',
        }}>
        {plan.name}
      </Text>

      {/* Three column layout */}
      <View
        style={{
          flexDirection: 'row',
          justifyContent: 'space-between',
          alignItems: 'center',
          marginBottom: 20,
          gap: 8,
        }}>
        {/* Mana Icon with background */}
        <View
          style={{
            flex: 1,
            aspectRatio: 1,
            backgroundColor: cardBgColor,
            borderRadius: 12,
            justifyContent: 'center',
            alignItems: 'center',
            minHeight: 80,
          }}>
          {/* Inner container that grows */}
          <View
            style={{
              width: tierStyles.bgSize,
              height: tierStyles.bgSize,
              backgroundColor: tierStyles.bg,
              borderRadius: 8,
              justifyContent: 'center',
              alignItems: 'center',
            }}>
            <ManaIcon size={32} color={tierStyles.icon} />
          </View>
        </View>

        {/* Mana Amount */}
        <View
          style={{
            flex: 1,
            aspectRatio: 1,
            backgroundColor: cardBgColor,
            borderRadius: 12,
            justifyContent: 'center',
            alignItems: 'center',
            minHeight: 80,
          }}>
          <Text
            style={{
              color: textColor,
              fontSize: 24,
              fontWeight: 'bold' as const,
              marginBottom: 2,
            }}>
            {plan.monthlyMana}
          </Text>
          <Text
            style={{
              color: secondaryTextColor,
              fontSize: 11,
              textAlign: 'center',
            }}>
            {t('subscription.per_month', 'pro Monat')}
          </Text>
        </View>

        {/* Price */}
        <View
          style={{
            flex: 1,
            aspectRatio: 1,
            backgroundColor: cardBgColor,
            borderRadius: 12,
            justifyContent: 'center',
            alignItems: 'center',
            minHeight: 80,
          }}>
          <Text
            style={{
              color: textColor,
              fontSize: 22,
              fontWeight: 'bold' as const,
            }}>
            {formatPrice(plan)}
          </Text>
          <Text
            style={{
              color: secondaryTextColor,
              fontSize: 11,
              marginTop: 2,
            }}>
            {plan.billingCycle === 'yearly'
              ? t('subscription.per_year', 'pro Jahr')
              : t('subscription.per_month', 'pro Monat')}
          </Text>
          {plan.billingCycle === 'yearly' && plan.monthlyEquivalent && (
            <Text
              style={{
                color: secondaryTextColor,
                fontSize: 9,
                marginTop: 1,
              }}>
              ({plan.monthlyEquivalent.toFixed(2).replace('.', ',')}€/Mo)
            </Text>
          )}
        </View>
      </View>

      {/* Button nur anzeigen wenn es NICHT der Free Plan ist */}
      {plan.id !== 'free' && (
        <SubscriptionButton
          label={
            isCurrentPlan
              ? isLegacy
                ? t('subscription.your_legacy_plan', 'Your Legacy Plan')
                : t('subscription.your_plan', 'Your Plan')
              : t('subscription.buy', 'Buy')
          }
          onPress={() => onSelect(plan.id)}
          iconName={isCurrentPlan ? 'checkmark-circle-outline' : 'arrow-forward-outline'}
          variant={isCurrentPlan ? 'secondary' : plan.popular ? 'accent' : 'primary'}
          disabled={isCurrentPlan}
        />
      )}
    </View>
  );
};

export default SubscriptionCard;