import 'package:fis_i18n/i18n.dart';
import 'package:flutter/material.dart';
import 'package:flyinsonolite/controls/custom/customdatepicker.dart';
import 'package:flyinsonolite/controls/custom/customiconbutton.dart';
import 'package:flyinsonolite/controls/custom/customtextbutton.dart';
import 'package:flyinsonolite/controls/text/fistextfield.dart';
import 'package:flyinsonolite/infrastructure/scale.dart';
import 'package:flyinsonolite/infrastructure/storage.dart';
import 'package:intl/intl.dart';

class DateTimeTextField extends StatelessWidget {
  final TextEditingController _dateController = TextEditingController();
  DateTime? selectedDate;
  String? placeHolder;
  TextStyle? textStyle;
  Color? borderColor;
  Color? enabledBorderColor;
  Color? fillColor;
  final ValueChanged<DateTime?>? dateChanged;
  bool selectableDayCheck = false;

  DateTimeTextField(this.placeHolder, this.selectedDate,
      {super.key,
      this.textStyle,
      this.borderColor,
      this.enabledBorderColor,
      this.fillColor,
      this.dateChanged,
      this.selectableDayCheck = false});

  @override
  Widget build(BuildContext context) {
    if (selectedDate != null) {
      _dateController.text = DateFormat('yyyy-MM-dd').format(selectedDate!);
    }

    return FISTextField(
        uniqueKey: null,
        contentPadding: EdgeInsets.fromLTRB(10.s, 0, 0, 0),
        textStyle: textStyle,
        readOnly: true,
        controller: _dateController,
        placeHolder: placeHolder,
        borderColor: borderColor,
        enabledBorderColor: enabledBorderColor,
        fillColor: fillColor,
        onTap: () async {
          await _showDatePickerAsync(context);
        },
        suffixIcon: CustomIconButton(
          constraints: const BoxConstraints(),
          padding: const EdgeInsets.all(0),
          onPressed: () async {
            await _showDatePickerAsync(context);
          },
          icon: Icon(
            Icons.date_range_rounded,
            size: 24.s,
            color: Storage.currentTheme.themeData.indicatorColor,
          ),
        ));
  }

  Future _showDatePickerAsync(BuildContext context) async {
    var pickedDate = await showCustomDatePicker(
      context: context,
      initialEntryMode: DatePickerEntryMode.calendarOnly,
      initialDate: selectedDate ?? DateTime.now(),
      firstDate: DateTime(2000),
      lastDate: DateTime(4000),
      locale: i18nBook.locale,
      currentDate: DateTime.now(),
      selectableDayPredicate: (day) {
        if (selectableDayCheck) {
          var earlyDatetime = DateTime.now();
          if (selectedDate != null) {
            if (selectedDate!.difference(DateTime.now()).inDays < 0) {
              earlyDatetime = selectedDate!;
            }
          }
          return day.difference(earlyDatetime).inDays >= 0;
        } else {
          return true;
        }
      },
      builder: (context, child) {
        return Theme(
            data: ThemeData(
                fontFamily: Storage.currentTheme.fontFamily,
                // 更改右侧时间字体的大小
                textTheme: TextTheme(
                  titleSmall: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  titleMedium: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  titleLarge: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  bodySmall: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  bodyMedium: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  bodyLarge: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  labelSmall: TextStyle(
                    fontSize: 18.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  labelMedium: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  labelLarge: TextStyle(
                      fontSize: 18.s,
                      color: const Color.fromRGBO(211, 211, 211, 1)),
                  headlineSmall: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  headlineMedium: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  headlineLarge: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  displaySmall: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  displayMedium: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                  displayLarge: TextStyle(
                    fontSize: 20.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                ),
                inputDecorationTheme: InputDecorationTheme(
                  labelStyle: TextStyle(
                    fontSize: 22.s,
                    color: const Color.fromRGBO(211, 211, 211, 1),
                  ),
                ),
                dialogBackgroundColor:
                    Storage.currentTheme.datePickerStyle.backgroundColor,
                colorScheme: ColorScheme.light(
                    primary: Storage.currentTheme.datePickerStyle.leftSizeColor,
                    onSurface: Storage.currentTheme.normalTextStyle.color!),
                textButtonTheme: TextButtonThemeData(
                    style: CustomTextButton.styleFrom(
                        foregroundColor:
                            Storage.currentTheme.normalTextStyle.color,
                        textStyle: Storage.currentTheme.normalTextStyle))),
            child: child!);
      },
    );
    if (pickedDate != null) {
      selectedDate = pickedDate;
      _dateController.text = DateFormat('yyyy-MM-dd').format(pickedDate);
      dateChanged!(pickedDate);
    }
  }
}