import React from 'react';
import { View, Text, Modal, ScrollView, TouchableOpacity } from 'react-native';
import { X, Zap, RefreshCw } from 'lucide-react-native';

import { buyPro, restorePro, useProUnlock } from '../utils/proUnlock';
import { PRO_FRAMES } from '../utils/entitlement';

// The paywall. LITE keeps every look previewable and editable; this sheet is
// the only place the tier is sold, and Google Play does the selling — the price
// shown is the one Play returned for the product.
//
// Play requires a way back to an existing purchase on any screen that sells
// one, so RESTORE is a peer of BUY, not a footnote.

const PERKS = [
  'No RECIPESCAM mark on your exports',
  'HDF effect',
  `${PRO_FRAMES.length} printed frames`,
  'GPS location watermark',
  'Every platform font for your watermark',
  'Unlimited recipes and favorites',
];

export default function ProModal({ visible, onClose }: { visible: boolean; onClose: () => void }) {
  const { owned, price, busy, error } = useProUnlock();

  if (!visible) return null; // see PhotoViewerModal

  return (
    <Modal visible={visible} transparent animationType="fade" onRequestClose={onClose}>
      <View className="flex-1 bg-black/70 items-center justify-center px-4">
        <TouchableOpacity className="absolute inset-0" activeOpacity={1} onPress={onClose} />
        <View
          className="w-full max-w-md rounded-2xl border border-zinc-800/70 p-5"
          style={{ backgroundColor: 'rgba(8,8,10,0.97)', maxHeight: '85%' }}
        >
          <View className="flex-row items-center justify-between mb-3">
            <View className="flex-row items-center">
              <Zap size={13} color="#f59e0b" strokeWidth={1.75} />
              <Text className="text-zinc-300 font-mono text-xs font-bold tracking-widest ml-2">
                RECIPESCAM PRO
              </Text>
            </View>
            <TouchableOpacity onPress={onClose} hitSlop={{ top: 8, bottom: 8, left: 8, right: 8 }}>
              <X size={15} color="#71717a" />
            </TouchableOpacity>
          </View>

          <ScrollView showsVerticalScrollIndicator={false}>
            <Text className="text-zinc-500 font-mono text-[10px] leading-4">
              One payment, kept on your Google account. Nothing to type in, and it comes back on
              every phone that has the app.
            </Text>

            <View className="mt-3 space-y-1.5">
              {PERKS.map((p) => (
                <View key={p} className="flex-row items-start">
                  <Text className="text-amber-500 font-mono text-[11px] mr-2">+</Text>
                  <Text className="text-zinc-300 font-mono text-[11px] flex-1">{p}</Text>
                </View>
              ))}
            </View>

            {owned ? (
              <View className="mt-4 rounded-xl border border-amber-500/40 bg-amber-500/10 px-3 py-2.5">
                <Text className="text-amber-500 font-mono text-[11px] font-bold tracking-widest">
                  PRO ACTIVE
                </Text>
                <Text className="text-zinc-500 font-mono text-[10px] mt-1">
                  Every look exports clean: no mark, no limits.
                </Text>
              </View>
            ) : (
              <TouchableOpacity
                onPress={buyPro}
                disabled={busy}
                activeOpacity={0.7}
                className={`mt-4 rounded-xl border px-3 py-3 items-center ${
                  busy ? 'border-zinc-800/70 bg-black/30' : 'border-amber-500/70 bg-amber-500/15'
                }`}
              >
                <Text
                  className={`font-mono text-[11px] font-bold tracking-widest ${
                    busy ? 'text-zinc-500' : 'text-amber-500'
                  }`}
                >
                  {busy ? 'CONTACTING GOOGLE PLAY…' : price ? `UNLOCK PRO — ${price}` : 'UNLOCK PRO'}
                </Text>
              </TouchableOpacity>
            )}

            <TouchableOpacity
              onPress={restorePro}
              disabled={busy}
              activeOpacity={0.7}
              className="mt-2 flex-row items-center justify-center rounded-xl border border-zinc-800/70 bg-black/30 px-3 py-2.5"
            >
              <RefreshCw size={11} color="#a1a1aa" strokeWidth={1.75} />
              <Text className="text-zinc-400 font-mono text-[10px] font-bold tracking-widest ml-2">
                RESTORE PURCHASES
              </Text>
            </TouchableOpacity>

            {error ? (
              <Text className="text-zinc-500 font-mono text-[10px] mt-2.5 leading-4">{error}</Text>
            ) : null}

            <Text className="text-zinc-600 font-mono text-[10px] mt-3 leading-4">
              Bought already but the app still says LITE? Restore, or check that you are signed in
              to the Google account that paid.
            </Text>
          </ScrollView>
        </View>
      </View>
    </Modal>
  );
}