app/lib/components/newsletter.dart

import 'package:flutter/material.dart';
import 'package:flutter_svg/flutter_svg.dart';

import 'package:nekoya_flutter/api/api.dart';
import 'package:nekoya_flutter/utils/utils.dart';

const OutlineInputBorder outlineInputBorder = OutlineInputBorder(
  borderRadius: BorderRadius.all(Radius.circular(12)),
  borderSide: BorderSide.none,
);

class Newsletter extends StatefulWidget {
  const Newsletter({Key? key}) : super(key: key);

  @override
  State<Newsletter> createState() => _NewsletterState();
}

class _NewsletterState extends State<Newsletter> {
  TextEditingController emailController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Container(
          padding: const EdgeInsets.only(top: 25.0, left: 10.0),
          child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: [
              const Text(
                'Newsletter',
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 20.0,
                  fontWeight: FontWeight.bold,
                ),
              ),
              const Text(
                'Subscribe to Our Newsletter and get 20% off your first purchase',
                style: TextStyle(
                  color: Colors.white,
                  fontSize: 13.0,
                ),
              ),
              Padding(
                  padding: const EdgeInsets.only(top: 25.0),
                  child: TextFormField(
                    controller: emailController,
                    style: const TextStyle(color: Colors.white),
                    decoration: InputDecoration(
                        filled: true,
                        fillColor: const Color(0xff212226),
                        hintText: "Input Your Email",
                        hintStyle: const TextStyle(color: Colors.white),
                        border: outlineInputBorder,
                        enabledBorder: outlineInputBorder,
                        focusedBorder: outlineInputBorder,
                        errorBorder: outlineInputBorder,
                        prefixIcon: Padding(
                          padding: const EdgeInsets.all(14),
                          child: SvgPicture.asset(
                            "assets/icons/email.svg",
                            color: Colors.white,
                            width: 21.5,
                            height: 21.5,
                          ),
                        ),
                        suffixIcon: Padding(
                          padding: const EdgeInsets.symmetric(
                              horizontal: defaultPadding,
                              vertical: defaultPadding / 2),
                          child: SizedBox(
                            width: 100,
                            height: 48,
                            child: ElevatedButton(
                              style: ElevatedButton.styleFrom(
                                  primary: const Color(0xff8B0000),
                                  shape: const RoundedRectangleBorder(
                                    borderRadius:
                                        BorderRadius.all(Radius.circular(12)),
                                  )),
                              onPressed: () {
                                if (emailController.text.isNotEmpty) {
                                  var emailQuery = emailController.text;
                                  subscribe(emailQuery).then((status) {
                                    if (status == 200) {
                                      emailController.clear();
                                      FocusScope.of(context).requestFocus(FocusNode());
                                      return showDialog(
                                        context: context,
                                        barrierDismissible: false,
                                        builder: (BuildContext context) {
                                          return AlertDialog(
                                            title: const Text('Thank You', style: TextStyle(color: Colors.white),),
                                            backgroundColor: const Color(0xff212226),
                                            content: SingleChildScrollView(
                                              child: ListBody(
                                                children: const <Widget>[
                                                  Text('You have successfully subscribed to the newsletter.', style: TextStyle(
                                                    color: Colors.white
                                                  )),
                                                ],
                                              ),
                                            ),
                                            actions: <Widget>[
                                              TextButton(
                                                child: const Text('Close', style: TextStyle(color: Colors.white),),
                                                onPressed: () {
                                                  Navigator.of(context).pop();
                                                },
                                              ),
                                            ],
                                          );
                                        }
                                      );
                                    }
                                  });
                                }
                              },
                              child: const Text(
                                'SUBSCRIBE',
                                style: TextStyle(
                                  fontSize: 12.0,
                                ),
                              ),
                            ),
                          ),
                        )),
                  )),
            ],
          ),
        )
      ],
    );
  }
}