Untitled

import 'package:easy_localization/easy_localization.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';

import '../../core/controllers/flash.dart';
import '../../core/navigator.dart';
import '../../core/services/auth.dart';
import '../../theme/colors.dart';
import '../../theme/extensions/base.dart';
import '../../widgets/common/action_button.dart';
import 'package:intl_phone_number_input/intl_phone_number_input.dart';

import 'otp_validation.dart';

class PhoneSignInScreen extends StatefulWidget {
  const PhoneSignInScreen({super.key});

  @override
  State<PhoneSignInScreen> createState() => _PhoneSignInScreenState();
}

class _PhoneSignInScreenState extends State<PhoneSignInScreen> {
  final authService = Get.find<AuthService>();
  final flashController = Get.find<FlashController>();
  final navigatorService = Get.find<NavigatorService>();

  final Rx<bool> _pointerDownInner = false.obs;
  final _formKey = GlobalKey<FormState>();
  final TextEditingController controller = TextEditingController();

  PhoneNumber? _phoneNumber = PhoneNumber(isoCode: 'IN'); // Default to India
  bool _phoneNumberSendInProgress = false;

  RxBool _isPhoneNumberValid = false.obs;

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

  void goBack() {
    Navigator.of(context).pop();
  }

  void handlePhoneNumberSignIn() async {
    if (_phoneNumberSendInProgress ||
        _phoneNumber == null ||
        _phoneNumber!.phoneNumber == null) {
      return;
    }

    if (mounted) {
      setState(() {
        _phoneNumberSendInProgress = true;
      });
    }

    try {
      var codeSent =
      await authService.validatePhoneNumber(_phoneNumber!.phoneNumber!);
      if (codeSent) {
        navigatorService.push(const OtpValidation());
      }
    } catch (e) {
      switch (e) {
        case 'code_sent':
          navigatorService.push(const OtpValidation());
          break;
        case 'verification_failed':
        case 'retrieval_timeout':
          flashController.showMessageFlash(
            tr('phone_sign_in.could_not_sign_in'),
            FlashMessageType.error,
          );
          break;
        default:
          flashController.showMessageFlash(
            tr('phone_sign_in.could_not_sign_in'),
            FlashMessageType.error,
          );
      }
    }

    if (mounted) {
      setState(() {
        _phoneNumberSendInProgress = false;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return PopScope(
      canPop: true,
      child: SafeArea(
        child: Listener(
          behavior: HitTestBehavior.opaque,
          onPointerDown: (_) {
            if (_pointerDownInner.value) {
              _pointerDownInner.value = false;
              return;
            }

            _pointerDownInner.value = false;
            FocusManager.instance.primaryFocus?.unfocus();
          },
          child: Scaffold(
            backgroundColor:
            Theme.of(context).extension<CustomThemeFields>()!.background_1,
            resizeToAvoidBottomInset: true,
            body: SingleChildScrollView(
              child: Container(
                height: Get.height - 200,
                padding: const EdgeInsets.symmetric(horizontal: 16),
                child: Column(
                  crossAxisAlignment: CrossAxisAlignment.center,
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Text(
                      'phone_sign_in.title',
                      textAlign: TextAlign.center,
                      style: Theme.of(context)
                          .extension<CustomThemeFields>()!
                          .title
                          .copyWith(fontSize: 30),
                    ).tr(),
                    Container(height: 32),
                    Text(
                      "phone_sign_in.description",
                      textAlign: TextAlign.start,
                      style: Theme.of(context)
                          .extension<CustomThemeFields>()!
                          .smaller,
                    ).tr(),
                    Container(height: 8),
                    Form(
                      key: _formKey,
                      autovalidateMode: AutovalidateMode.disabled,
                      child: Column(
                        children: [
                          Container(
                            margin: const EdgeInsets.symmetric(vertical: 16),
                            width: double.infinity,
                            child: Row(
                              children: [
                                Expanded(
                                  child: InternationalPhoneNumberInput(
                                    onInputChanged: (PhoneNumber number) {
                                      setState(() {
                                        _phoneNumber = number;
                                      });
                                    },
                                    onInputValidated: (bool value) {
                                      _isPhoneNumberValid.value = value;
                                    },
                                    initialValue: _phoneNumber,
                                    selectorConfig: SelectorConfig(
                                      selectorType:
                                      PhoneInputSelectorType.BOTTOM_SHEET,
                                      useBottomSheetSafeArea: true,
                                    ),
                                    textFieldController: controller,
                                    formatInput: true,
                                    keyboardType:
                                    TextInputType.numberWithOptions(
                                      signed: true,
                                      decimal: true,
                                    ),
                                    inputDecoration: InputDecoration(
                                      filled: true,
                                      fillColor: Theme.of(context)
                                          .extension<CustomThemeFields>()!
                                          .background_2,
                                      hintText:
                                      tr('phone_sign_in.phone_number'),
                                      hintStyle: Theme.of(context)
                                          .extension<CustomThemeFields>()!
                                          .smaller
                                          .copyWith(
                                        color: Theme.of(context)
                                            .extension<CustomThemeFields>()!
                                            .fontColor_3,
                                      ),
                                      border: OutlineInputBorder(
                                        borderRadius: BorderRadius.circular(8),
                                        borderSide: BorderSide(
                                          color: Theme.of(context)
                                              .extension<CustomThemeFields>()!
                                              .separator,
                                        ),
                                      ),
                                    ),
                                  ),
                                ),
                              ],
                            ),
                          ),
                        ],
                      ),
                    ),
                    Container(height: 8),
                    Text(
                      "phone_sign_in.you_will_receive",
                      style: Theme.of(context)
                          .extension<CustomThemeFields>()!
                          .smaller,
                    ).tr(),
                    Container(height: 24),
                    Obx(
                          () => ActionButton(
                        onPressed: () {
                          if (_isPhoneNumberValid.value) {
                            handlePhoneNumberSignIn();
                          }
                        },
                        isLoading: _phoneNumberSendInProgress,
                        background: _isPhoneNumberValid.value
                            ? Theme.of(context)
                            .extension<CustomThemeFields>()!
                            .action
                            : Theme.of(context)
                            .extension<CustomThemeFields>()!
                            .separator,
                        child: Text(
                          'phone_sign_in.send_code',
                          style: Theme.of(context)
                              .extension<CustomThemeFields>()!
                              .smaller
                              .copyWith(
                            color: _isPhoneNumberValid.value
                                ? DarkColors.font_1
                                : Theme.of(context)
                                .extension<CustomThemeFields>()!
                                .fontColor_1,
                            fontWeight: FontWeight.w500,
                          ),
                        ).tr(),
                      ),
                    ),

                  ],
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }
}