import 'package:fis_common/index.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:vitalapp/components/dialog_input.dart';
import 'package:vitalapp/pages/check/models/form.dart';
import 'package:vitalapp/pages/check/widgets/exam_configurable/exam_card.dart';
import 'package:vitalapp/pages/form/form_info.dart';

///输入组件，和ExamText的弹窗放在了内部
class ExamTextInput extends StatefulWidget {
  const ExamTextInput({
    super.key,
    required this.currentFormObject,
    this.isNumber = false,
  });
  final FormObject currentFormObject;
  final bool isNumber;

  @override
  State<ExamTextInput> createState() => _ExamInputState();
}

class _ExamInputState extends State<ExamTextInput> {
  String _currentValue = '';
  bool _isDisabledValue = false;
  bool _isHidden = false;

  @override
  void initState() {
    if (FormInfo.instance.formValue.containsKey(widget.currentFormObject.key)) {
      _currentValue = FormInfo.instance.formValue[widget.currentFormObject.key];
    }
    super.initState();
    FormInfo.instance.onChangeTargetValue.addListener(_onChangeTargetValue);
  }

  @override
  void dispose() {
    FormInfo.instance.onChangeTargetValue.removeListener(_onChangeTargetValue);
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    if (_isHidden) {
      return SizedBox();
    }
    return ExamCard(
      title: widget.currentFormObject.label ?? '',
      color: _isDisabledValue ? Colors.grey[300]! : Colors.white,
      clickCard: _clickCard,
      content: Container(
          alignment: Alignment.bottomRight,
          padding: const EdgeInsets.only(
            right: 30,
            left: 40,
          ),
          child: Column(mainAxisAlignment: MainAxisAlignment.center, children: [
            RichText(
              text: TextSpan(
                style: TextStyle(
                  fontSize: 26,
                  color: Colors.black,
                  fontFamily: "NotoSansSC",
                  fontFamilyFallback: const ["NotoSansSC"],
                ),
                text: _currentValue,
                children: [
                  TextSpan(
                    text: widget.currentFormObject.append ?? '',
                    style: const TextStyle(
                      fontSize: 26,
                      fontFamily: "NotoSansSC",
                      fontFamilyFallback: const ["NotoSansSC"],
                    ),
                  )
                ],
              ),
            ),
          ])),
    );
  }

  Future<void> _clickCard() async {
    if (_isDisabledValue) {
      return;
    }
    List<TextInputFormatter>? inputFormatters;
    TextInputType? keyboardType;
    if (widget.isNumber) {
      inputFormatters = [
        FilteringTextInputFormatter.allow(RegExp(r'^\d*\.?\d*')),
      ];
      keyboardType = TextInputType.numberWithOptions(decimal: true);
    }
    String? result = await VDialogInput(
      title: widget.currentFormObject.label,
      initialValue: _currentValue,
      inputFormatters: inputFormatters,
      keyboardType: keyboardType,
    ).show();
    if (result?.isNotEmpty ?? false) {
      FormInfo.instance.formValue[widget.currentFormObject.key!] = result;
      setState(() {
        _currentValue = result!;
      });
      FormInfo.instance.onValueChange.emit(
        this,
        UpdateFormArgs(
          sourceKey: widget.currentFormObject.key ?? '',
          sourceValue: result,
        ),
      );
    }
  }

  void _onChangeTargetValue(Object sender, TargetFormArgs e) {
    if (e.targetKey != widget.currentFormObject.key) {
      return;
    }
    if (e.isHidden) {
      setState(() {
        _isHidden = true;
      });
    } else {
      setState(() {
        _isHidden = false;
      });
    }
    if (e.isDisabledValue) {
      setState(() {
        _isDisabledValue = true;
        _currentValue = e.targetValue;
      });
    } else if (!e.isDisabledValue && _isDisabledValue) {
      setState(() {
        _isDisabledValue = false;
      });
    }
    if (e.targetValue.isNotNullOrEmpty) {
      setState(() {
        _currentValue = e.targetValue;
      });
    }
  }
}