import 'package:flutter/material.dart';
import 'package:provider/provider.dart';
import 'package:teso/Pages/PageWidgets/Coupons/mycoupons.dart';
import 'package:shared_preferences/shared_preferences.dart';
import 'package:teso/Pages/Sub_Pages/@Generic/RedeemingCoupon.dart';
import 'package:teso/Pages/codeQR.dart';
import 'package:teso/Classes/API Clasess/CouponDetails.dart';
import 'package:flutter/cupertino.dart';
import 'package:teso/providers/pageAnimations.dart';
import 'package:teso/Pages/Sub_Pages/Coupons/MyCouponOptions.dart';
import 'package:teso/providers/user_provider.dart';

class MyCoupons extends StatefulWidget {
  @override
  _MyCouponsState createState() => _MyCouponsState();
}

class _MyCouponsState extends State<MyCoupons> {
  SharedPreferences prefs;

  @override
  void initState() {
    super.initState();
  }

  void _scanQRCode(context, CouponDetails img) async {
    String result = await Navigator.push(
      context,
      PageTransition(
        type: PageTransitionType.downToUp,
        child: QRCodeScanner(),
      ),
    );
    if (result != null && result.isNotEmpty && result == img.businessId) {
      await Navigator.push(
        context,
        PageTransition(
          child: RedeemingCoupon(
            couponDetails: img,
          ),
          type: PageTransitionType.fade,
        ),
      );
    }
  }

  tesoCouponDialog(context, CouponDetails details) async {
    showModalBottomSheet(
        context: context,
        isScrollControlled: true,
        enableDrag: true,
        shape: RoundedRectangleBorder(
          borderRadius: BorderRadius.vertical(top: Radius.circular(20.0)),
        ),
        builder: (BuildContext bc) {
          return AcquiredOptions(
            head: details,
          );
        });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Consumer<UserProvider>(
        builder: (context, value, child) {
          if (value == null || value.mycoupons == null) {
            Provider.of<UserProvider>(context, listen: false).getCoupons();
            return Container(
              child: Center(
                child: CupertinoActivityIndicator(
                  animating: true,
                  radius: 15,
                ),
              ),
            );
          } else if (value.mycoupons.length == 0) {
            Provider.of<UserProvider>(context, listen: false).getCoupons();
            return Container(
              child: Center(
                child: Text("No coupons available"),
              ),
            );
          } else {
            return Container(
              // margin: EdgeInsets.only(
              //   bottom: 80,
              // ),
              child: ListView.builder(
                itemCount: value.mycoupons.length,
                itemBuilder: (context, int index) {
                  return Column(
                    children: [
                      buildMyCoupons(context, value.mycoupons.elementAt(index),
                          tesoCouponDialog, _scanQRCode),
                      Divider(),
                    ],
                  );
                },
              ),
            );
          }
        },
      ),
    );
  }
}