import 'dart:math';

import 'package:flutter/material.dart';

import 'package:intl/intl.dart';

import 'package:provider/provider.dart';

import 'package:sxchnge_wallet/sxchnge_wallet.dart';

import '../destinations/details.dart';

import 'copy.dart';

import '../generated/i18n/app_localizations.dart';

class TransferSummary extends StatelessWidget {
  const TransferSummary({super.key, required this.quote});
  final Quote quote;
  @override
  Widget build(BuildContext context) {
    final p = context.read<WalletProvider>();
    final l = AppLocalizations.of(context)!;
    final q = quote;
    final a = p.account(q.request.source);
    final b = p.account(q.request.destination) ?? a;
    if (a == null || b == null) return Text(l.wNotFound);
    return Card(
      child: Padding(
        padding: const EdgeInsets.all(24),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.stretch,
          children: [
            _row(
              context,
              q.request.kind == TransferKind.topUp ? l.wYouPay : l.wTotalDebit,
              money(context, a, q.debit),
              large: true,
            ),
            const Divider(height: 32),
            _row(context, l.wFee, money(context, a, q.fee)),
            if (q.request.kind == TransferKind.exchange) ...[
              const SizedBox(height: 16),
              _row(
                context,
                l.wRate,
                '1 ${a.currency} = ${NumberFormat('0.0000', Localizations.localeOf(context).toLanguageTag()).format(q.rateNumerator / q.rateDenominator)} ${b.currency}',
              ),
            ],
            const SizedBox(height: 16),
            _row(
              context,
              q.request.kind == TransferKind.payout
                  ? l.wRecipientGets
                  : l.wCredit,
              q.payoutTerms == null
                  ? money(context, b, q.credit)
                  : '${NumberFormat.decimalPatternDigits(locale: Localizations.localeOf(context).toLanguageTag(), decimalDigits: q.payoutTerms!.precision).format(q.payoutTerms!.amount / pow(10, q.payoutTerms!.precision))} ${q.payoutTerms!.assetLabel}',
              large: true,
            ),
            if (q.payoutTerms != null) ...[
              const SizedBox(height: 12),
              Text(l.dTiming(q.payoutTerms!.expectedSeconds)),
              if (p.service.isSimulated) Text(l.dDemoTerms),
            ],
            if (q.request.kind == TransferKind.payout) ...[
              const Divider(height: 32),
              Text(l.wRecipient),
              if (q.payoutSnapshot != null)
                DestinationDetailsView(details: q.payoutSnapshot!)
              else
                SelectableText(q.request.recipient),
            ],
          ],
        ),
      ),
    );
  }

  Widget _row(
    BuildContext context,
    String label,
    String value, {
    bool large = false,
  }) => Column(
    crossAxisAlignment: CrossAxisAlignment.start,
    children: [
      Text(label),
      const SizedBox(height: 4),
      Text(
        value,
        style: large
            ? Theme.of(context).textTheme.headlineSmall
            : Theme.of(context).textTheme.titleMedium,
      ),
    ],
  );
}