import 'package:flutter/material.dart';
import 'package:initial_folder/providers/total_price_provider.dart';
import 'package:initial_folder/screens/checkout/components/course_list.dart';
import 'package:initial_folder/screens/checkout/detail_zero_payment.dart';
import 'package:initial_folder/size_config.dart';
import 'package:initial_folder/theme.dart';
import 'package:intl/intl.dart';
import 'package:provider/provider.dart';
import 'package:initial_folder/providers/order_provider.dart' as provOrder;

import '../../providers/payments_provider.dart';
import 'snap_payment_page.dart';

class CheckoutCartCouponPage extends StatefulWidget {
  CheckoutCartCouponPage({
    Key? key,
    required this.idCart,
    this.potonganKupon,
    this.discountHarga,
    this.isKupon,
  }) : super(key: key);

  final List<String> idCart;
  final int? potonganKupon;
  final int? discountHarga;
  final bool? isKupon;

  @override
  State<CheckoutCartCouponPage> createState() => _CheckoutCartCouponPageState();
}

class _CheckoutCartCouponPageState extends State<CheckoutCartCouponPage> {
  final controller = TextEditingController();

  @override
  Widget build(BuildContext context) {
    final priceCoupon = Provider.of<TotalPriceProvider>(context).priceCoupon;
    final totalPrice2 = Provider.of<TotalPriceProvider>(context).totalPrice;
    final totalPrice3 = Provider.of<TotalPriceProvider>(context).totalPrices;
    final typeCoupon = Provider.of<TotalPriceProvider>(context).typeCoupon;
    final finalPriceCoupon =
        Provider.of<TotalPriceProvider>(context).finalPriceCoupon;
    final potonganKupon2 =
        Provider.of<TotalPriceProvider>(context).potonganKupon;

    Widget bottomNav(String totalPrice) {
      String totalHarga =
          "Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(totalPrice == '0' ? widget.discountHarga : double.parse(totalPrice))}";

      return Container(
        width: double.infinity,
        height: getProportionateScreenHeight(64),
        decoration: BoxDecoration(
          color: Theme.of(context).colorScheme.background,
          boxShadow: [
            BoxShadow(
              color: Theme.of(context).colorScheme.onPrimary.withOpacity(0.1),
              spreadRadius: 4,
              blurRadius: 15,
              offset: Offset(0, 4),
            ),
          ],
        ),
        child: Row(
          children: [
            SizedBox(width: 13),
            Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                SizedBox(height: getProportionateScreenHeight(6)),
                Text(
                  "Total",
                  style: thirdTextStyle.copyWith(
                    fontSize: getProportionateScreenHeight(12),
                    fontWeight: semiBold,
                  ),
                ),
                SizedBox(height: getProportionateScreenHeight(2)),
                if (widget.isKupon == null)
                  Text(
                    'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(finalPriceCoupon! < 50000 ? finalPriceCoupon + 5000 : finalPriceCoupon)}',
                    style: thirdTextStyle.copyWith(
                      fontSize: SizeConfig.blockVertical! * 2.5,
                      letterSpacing: 0.23,
                    ),
                  ),
                if (widget.isKupon == true)
                  Text(
                    'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(widget.discountHarga! < 50000 ? widget.discountHarga! + 5000 : widget.discountHarga)}',
                    style: thirdTextStyle.copyWith(
                      fontSize: SizeConfig.blockVertical! * 2.5,
                      letterSpacing: 0.23,
                    ),
                  ),
                SizedBox(height: getProportionateScreenHeight(2)),
              ],
            ),
            Spacer(),
            GestureDetector(
              onTap: () async {
                print("Ini id cart? ${widget.idCart}");
              
                if (totalHarga == 'Rp. 0') {
                  // Jika harga total adalah 0, arahkan ke halaman zero-payment
                  Navigator.of(context).push(
                    MaterialPageRoute(
                      builder: (context) => DetailZeroPayment(idCart: widget.idCart),
                    ),
                  );
                } else {
                  // harga dan id transaksi untuk Snap Midtrans
                  String orderId = 'order-${DateTime.now().millisecondsSinceEpoch}';
                  int grossAmount = int.parse(totalHarga.replaceAll('Rp. ', '').replaceAll(',', ''));

                  // Persiapkan data_invoice berdasarkan pesanan 
                  List<Map<String, dynamic>> dataInvoice = widget.idCart.map((id) {
                    return {
                      'id_kursus': id,
                      'title_kursus': 'Nama Kursus',  
                      'harga': grossAmount.toString(),
                      'qty': '1',
                    };
                  }).toList();

                  // Panggil Snap melalui provider
                  final paymentProvider = Provider.of<PaymentsProvider>(context, listen: false);
                  Map<String, String>? paymentResponse = await paymentProvider.startSnapPayment(
                    orderId: orderId,
                    grossAmount: grossAmount,
                    dataInvoice: dataInvoice,
                  );

                  if (paymentResponse != null) {
                    // Jika Snap berhasil, tampilkan halaman WebView Snap
                    Navigator.of(context).push(
                      MaterialPageRoute(
                        builder: (context) => SnapPaymentPage(
                          transactionToken: paymentResponse['transactionToken'] ?? '',
                          orderId: orderId,
                          grossAmount: grossAmount, courseTitle: '', courseThumbnail: '', courseInstructor: '', courseId: '',
                        ),
                      ),
                    );
                  } else {
                    print("Pembayaran gagal");
                  }
                }
              },
              child: Container(
                margin: EdgeInsets.only(right: getProportionateScreenWidth(15)),
                width: getProportionateScreenWidth(135),
                height: getProportionateScreenHeight(35),
                decoration: BoxDecoration(
                  color: primaryColor,
                  borderRadius: BorderRadius.circular(10),
                ),
                child: Center(
                  child: Text(
                    'Pilih Pembayaran',
                    style: thirdTextStyle.copyWith(
                      fontSize: SizeConfig.blockVertical! * 1.7,
                      fontWeight: semiBold,
                      letterSpacing: 0.5,
                      color: baruTextutih,
                    ),
                  ),
                ),
              ),
            )
          ],
        ),
      );
    }

    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.background,
        centerTitle: true,
        title: Text(
          'Checkout',
          style: thirdTextStyle.copyWith(
              letterSpacing: 1,
              fontWeight: semiBold,
              fontSize: getProportionateScreenWidth(14)),
        ),
      ),
      body: SingleChildScrollView(
        child: Container(
          margin:
              EdgeInsets.symmetric(horizontal: getProportionateScreenWidth(16)),
          child: Column(
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Text(
                'Detail Pesanan',
                style: thirdTextStyle.copyWith(
                  letterSpacing: 1,
                  fontWeight: semiBold,
                  fontSize: getProportionateScreenWidth(14),
                ),
              ),
              SizedBox(height: getProportionateScreenHeight(20)),
              Consumer<provOrder.OrderProvider>(
                builder: (context, state, _) {
                  print(state.orders.map((e) => e.idCourse));
                  return Column(
                    children: [
                      ...state.orders.map(
                        (order) => CourseList(
                          idCourse: order.idCourse,
                          title: order.title,
                          price: widget.isKupon == null
                              ? finalPriceCoupon.toString()
                              : (potonganKupon2 == 0
                                  ? priceCoupon.toString()
                                  : (potonganKupon2! > totalPrice2!
                                      ? finalPriceCoupon.toString()
                                      : totalPrice3.toString())),
                          discountPrice: order.discountPrice,
                          imageUrl: order.imageUrl,
                        ),
                      ),
                    ],
                  );
                },
              ),
              SizedBox(height: getProportionateScreenHeight(5)),
              Text(
                'Rincian Harga',
                style: thirdTextStyle.copyWith(
                  letterSpacing: 1,
                  fontWeight: semiBold,
                  fontSize: getProportionateScreenWidth(14),
                ),
              ),
              SizedBox(height: getProportionateScreenHeight(10)),
              Row(
                children: [
                  Text(
                    'Subtotal Harga Kursus',
                    style: thirdTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(10),
                    ),
                  ),
                  Spacer(),
                  if (widget.isKupon == null)
                    Text(
                      'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(priceCoupon!)}',
                      style: thirdTextStyle.copyWith(
                        letterSpacing: 0.5,
                        fontWeight: reguler,
                        fontSize: getProportionateScreenWidth(12),
                      ),
                    ),
                  if (widget.isKupon == true)
                    Text(
                      'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(finalPriceCoupon == 0 ? priceCoupon : (potonganKupon2! > totalPrice2! ? finalPriceCoupon : totalPrice3))}',
                      style: thirdTextStyle.copyWith(
                        letterSpacing: 0.5,
                        fontWeight: reguler,
                        fontSize: getProportionateScreenWidth(12),
                      ),
                    ),
                ],
              ),
              SizedBox(height: getProportionateScreenHeight(5)),
              Row(
                children: [
                  Text(
                    'Biaya Layanan',
                    style: thirdTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(10),
                    ),
                  ),
                  Spacer(),
                  Text(
                    'Rp ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(double.parse(finalPriceCoupon! < 5000 ? "5000" : "0"))}',
                    style: thirdTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(12),
                    ),
                  ),
                ],
              ),
              SizedBox(height: getProportionateScreenHeight(5)),
              Row(
                children: [
                  Text(
                    'Potongan Kupon',
                    style: primaryTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(10),
                    ),
                  ),
                  Spacer(),
                  Text(
                    'Rp ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(double.parse(typeCoupon != "3" ? widget.potonganKupon.toString() : (priceCoupon! - widget.potonganKupon!).toString()))}',
                    style: primaryTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(12),
                    ),
                  ),
                ],
              ),
              SizedBox(height: getProportionateScreenHeight(8)),
              Row(
                children: [
                  Text(
                    'Total Bayar',
                    style: thirdTextStyle.copyWith(
                      fontWeight: reguler,
                      fontSize: getProportionateScreenWidth(14),
                    ),
                  ),
                  Spacer(),
                  if (widget.isKupon == null)
                    Text(
                      'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(finalPriceCoupon! < 50000 ? finalPriceCoupon + 5000 : finalPriceCoupon)}',
                      style: thirdTextStyle.copyWith(
                        fontWeight: semiBold,
                        fontSize: getProportionateScreenWidth(14),
                      ),
                    ),
                  if (widget.isKupon == true)
                    Text(
                      'Rp. ${NumberFormat.currency(locale: 'id', symbol: '', decimalDigits: 0).format(widget.discountHarga! < 50000 ? widget.discountHarga! + 5000 : widget.discountHarga)}',
                      style: thirdTextStyle.copyWith(
                        fontWeight: semiBold,
                        fontSize: getProportionateScreenWidth(14),
                      ),
                    ),
                ],
              ),
              Row(
                children: [
                  Text(''),
                  Spacer(),
                  if (widget.isKupon == null)
                    Text(
                      (int.parse(Provider.of<provOrder.OrderProvider>(context)
                                          .totalPrice!) !=
                                      0 &&
                                  int.parse(
                                          Provider.of<provOrder.OrderProvider>(context).totalPrice!) < 50000) ||
                              finalPriceCoupon! < 50000
                          ? "+ admin Rp 5000"
                          : "",
                      style: secondaryTextStyle.copyWith(
                        letterSpacing: 1,
                        fontWeight: reguler,
                        fontSize: getProportionateScreenWidth(10),
                      ),
                    ),
                  if (widget.isKupon != null)
                    Text(
                      (widget.discountHarga != 0 && widget.discountHarga! < 50000)
                          ? "+ admin Rp 5000"
                          : "",
                      style: secondaryTextStyle.copyWith(
                        letterSpacing: 1,
                        fontWeight: reguler,
                        fontSize: getProportionateScreenWidth(10),
                      ),
                    ),
                ],
              ),
            ],
          ),
        ),
      ),
      bottomNavigationBar: bottomNav(
        (int.parse(Provider.of<provOrder.OrderProvider>(context).totalPrice as String)).toString(),
      ),
    );
  }

  @override
  void dispose() {
    controller.dispose();
    super.dispose();
  }
}