import 'dart:async';

import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/svg.dart';
import 'package:stackwallet/models/isar/models/ethereum/eth_contract.dart';
import 'package:stackwallet/pages/buy_view/buy_in_wallet_view.dart';
import 'package:stackwallet/pages/exchange_view/wallet_initiated_exchange_view.dart';
import 'package:stackwallet/pages/receive_view/receive_view.dart';
import 'package:stackwallet/pages/send_view/token_send_view.dart';
import 'package:stackwallet/pages/token_view/token_view.dart';
import 'package:stackwallet/pages/wallet_view/sub_widgets/wallet_refresh_button.dart';
import 'package:stackwallet/providers/global/locale_provider.dart';
import 'package:stackwallet/providers/global/prefs_provider.dart';
import 'package:stackwallet/providers/global/price_provider.dart';
import 'package:stackwallet/providers/global/wallets_provider.dart';
import 'package:stackwallet/services/event_bus/events/global/wallet_sync_status_changed_event.dart';
import 'package:stackwallet/utilities/assets.dart';
import 'package:stackwallet/utilities/constants.dart';
import 'package:stackwallet/utilities/enums/coin_enum.dart';
import 'package:stackwallet/utilities/format.dart';
import 'package:stackwallet/utilities/text_styles.dart';
import 'package:stackwallet/utilities/theme/stack_colors.dart';
import 'package:stackwallet/widgets/rounded_container.dart';
import 'package:tuple/tuple.dart';

class TokenSummary extends ConsumerWidget {
  const TokenSummary({
    Key? key,
    required this.walletId,
    required this.initialSyncStatus,
  }) : super(key: key);

  final String walletId;
  final WalletSyncStatus initialSyncStatus;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    final token =
        ref.watch(tokenServiceProvider.select((value) => value!.tokenContract));
    final balance =
        ref.watch(tokenServiceProvider.select((value) => value!.balance));

    return Stack(
      children: [
        RoundedContainer(
          color: const Color(0xFFE9EAFF), // todo: fix color
          // color: Theme.of(context).extension<StackColors>()!.,
          padding: const EdgeInsets.all(24),
          child: Column(
            children: [
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  SvgPicture.asset(
                    Assets.svg.walletDesktop,
                    color: const Color(0xFF8488AB), // todo: fix color
                    width: 12,
                    height: 12,
                  ),
                  const SizedBox(
                    width: 6,
                  ),
                  Text(
                    ref.watch(
                      walletsChangeNotifierProvider.select(
                        (value) => value.getManager(walletId).walletName,
                      ),
                    ),
                    style: STextStyles.w500_12(context).copyWith(
                      color: const Color(0xFF8488AB), // todo: fix color
                    ),
                  ),
                ],
              ),
              const SizedBox(
                height: 6,
              ),
              Row(
                mainAxisAlignment: MainAxisAlignment.center,
                children: [
                  Text(
                    "${balance.getTotal()}"
                    " ${token.symbol}",
                    style: STextStyles.pageTitleH1(context),
                  ),
                  const SizedBox(
                    width: 10,
                  ),
                  CoinTickerTag(
                    walletId: walletId,
                  ),
                ],
              ),
              const SizedBox(
                height: 6,
              ),
              Text(
                "${Format.localizedStringAsFixed(
                  value: ref
                          .read(tokenServiceProvider)!
                          .balance
                          .getSpendable() *
                      ref.watch(priceAnd24hChangeNotifierProvider.select(
                          (value) => value.getTokenPrice(token.address).item1)),
                  locale: ref.watch(localeServiceChangeNotifierProvider
                      .select((value) => value.locale)),
                  decimalPlaces: 2,
                )} ${ref.watch(prefsChangeNotifierProvider.select((value) => value.currency))}",
                style: STextStyles.subtitle500(context),
              ),
              const SizedBox(
                height: 20,
              ),
              TokenWalletOptions(
                walletId: walletId,
                tokenContract: token,
              ),
            ],
          ),
        ),
        Positioned(
          top: 10,
          right: 10,
          child: WalletRefreshButton(
            walletId: walletId,
            initialSyncStatus: initialSyncStatus,
            tokenContractAddress: ref.watch(tokenServiceProvider
                .select((value) => value!.tokenContract.address)),
          ),
        ),
      ],
    );
  }
}

class TokenWalletOptions extends StatelessWidget {
  const TokenWalletOptions({
    Key? key,
    required this.walletId,
    required this.tokenContract,
  }) : super(key: key);

  final String walletId;
  final EthContract tokenContract;

  void _onExchangePressed(BuildContext context) async {
    unawaited(
      Navigator.of(context).pushNamed(
        WalletInitiatedExchangeView.routeName,
        arguments: Tuple3(
          walletId,
          Coin.ethereum,
          tokenContract,
        ),
      ),
    );
  }

  void _onBuyPressed(BuildContext context) {
    unawaited(
      Navigator.of(context).pushNamed(
        BuyInWalletView.routeName,
        arguments: Tuple2(
          Coin.ethereum,
          tokenContract,
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Row(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        TokenOptionsButton(
          onPressed: () {
            Navigator.of(context).pushNamed(
              ReceiveView.routeName,
              arguments: Tuple2(
                walletId,
                Coin.ethereum,
              ),
            );
          },
          subLabel: "Receive",
          iconAssetSVG: Assets.svg.receive(context),
        ),
        const SizedBox(
          width: 16,
        ),
        TokenOptionsButton(
          onPressed: () {
            Navigator.of(context).pushNamed(
              TokenSendView.routeName,
              arguments: Tuple3(
                walletId,
                Coin.ethereum,
                tokenContract,
              ),
            );
          },
          subLabel: "Send",
          iconAssetSVG: Assets.svg.send(context),
        ),
        const SizedBox(
          width: 16,
        ),
        TokenOptionsButton(
          onPressed: () => _onExchangePressed(context),
          subLabel: "Swap",
          iconAssetSVG: Assets.svg.exchange(context),
        ),
        const SizedBox(
          width: 16,
        ),
        TokenOptionsButton(
          onPressed: () => _onBuyPressed(context),
          subLabel: "Buy",
          iconAssetSVG: Assets.svg.creditCard,
        ),
      ],
    );
  }
}

class TokenOptionsButton extends StatelessWidget {
  const TokenOptionsButton({
    Key? key,
    required this.onPressed,
    required this.subLabel,
    required this.iconAssetSVG,
  }) : super(key: key);

  final VoidCallback onPressed;
  final String subLabel;
  final String iconAssetSVG;

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisSize: MainAxisSize.min,
      crossAxisAlignment: CrossAxisAlignment.center,
      children: [
        RawMaterialButton(
          fillColor: Theme.of(context).extension<StackColors>()!.popupBG,
          elevation: 0,
          focusElevation: 0,
          hoverElevation: 0,
          highlightElevation: 0,
          constraints: const BoxConstraints(),
          shape: RoundedRectangleBorder(
            borderRadius: BorderRadius.circular(
              Constants.size.circularBorderRadius,
            ),
          ),
          onPressed: onPressed,
          child: Padding(
            padding: const EdgeInsets.all(10),
            child: SvgPicture.asset(
              iconAssetSVG,
              color: const Color(0xFF424A97), // todo: fix color
              width: 24,
              height: 24,
            ),
          ),
        ),
        const SizedBox(
          height: 6,
        ),
        Text(
          subLabel,
          style: STextStyles.w500_12(context),
        )
      ],
    );
  }
}

class CoinTickerTag extends ConsumerWidget {
  const CoinTickerTag({
    Key? key,
    required this.walletId,
  }) : super(key: key);

  final String walletId;

  @override
  Widget build(BuildContext context, WidgetRef ref) {
    return RoundedContainer(
      padding: const EdgeInsets.symmetric(vertical: 2, horizontal: 4),
      radiusMultiplier: 0.25,
      color: const Color(0xFF4D5798), // TODO: color theme for multi themes
      child: Text(
        ref.watch(walletsChangeNotifierProvider
            .select((value) => value.getManager(walletId).coin.ticker)),
        style: STextStyles.w600_12(context).copyWith(
          color: Colors.white, // TODO: design is wrong?
        ),
      ),
    );
  }
}