import 'package:fis_lib_report/converts/alignment_convert.dart';
import 'package:fis_lib_report/pages/components/datetime.dart';
import 'package:fis_lib_report/pages/components/input_image.dart';
import 'package:fis_lib_report/pages/components/input_imageList.dart';
import 'package:fis_lib_report/pages/components/input_text.dart';
import 'package:fis_lib_report/pages/components/line.dart';
import 'package:fis_lib_report/pages/components/multi_select.dart';
import 'package:fis_lib_report/pages/components/multi_selected.dart';
import 'package:fis_lib_report/pages/components/page_number.dart';
import 'package:fis_lib_report/pages/components/single_select.dart';
import 'package:fis_lib_report/pages/components/space.dart';
import 'package:fis_lib_report/pages/components/static_Text.dart';
import 'package:fis_lib_report/pages/components/static_image.dart';
import 'package:fis_lib_report/pages/helpler.dart';
import 'package:fis_lib_report/report/dateTimeElement.dart';
import 'package:fis_lib_report/report/element_type.dart';
import 'package:fis_lib_report/report/inputImage.dart';
import 'package:fis_lib_report/report/inputText.dart';
import 'package:fis_lib_report/report/interfaces/element.dart';
import 'package:fis_lib_report/report/interfaces/position_layout.dart';
import 'package:fis_lib_report/report/line.dart';
import 'package:fis_lib_report/report/multiSelected.dart';
import 'package:fis_lib_report/report/page_number.dart';
import 'package:fis_lib_report/report/paragraph.dart';
import 'package:fis_lib_report/report/singleSelected.dart';
import 'package:fis_lib_report/report/space.dart';
import 'package:fis_lib_report/report/staticText.dart';
import 'package:fis_lib_report/report/static_image.dart';
import 'package:fis_lib_report/report_info/report_info.dart';
import 'package:flutter/material.dart';

class ParagraphPage extends StatefulWidget {
  final Paragraph paragraph;

  ParagraphPage({Key? key, required this.paragraph}) : super(key: key);

  @override
  State<StatefulWidget> createState() {
    return _ParagraphState();
  }
}

class _ParagraphState extends State<ParagraphPage> {
  List<IElement>? _elements = [];
  int _itemCount = 0;

  @override
  initState() {
    _elements = widget.paragraph.elements;
    _itemCount = _elements!.length;
    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    if (_itemCount == 0) {
      return const SizedBox();
    }
    final margin = widget.paragraph.margin!;
    return Container(
      margin: EdgeInsets.only(
        top: margin.top!,
        bottom: margin.bottom!,
        left: margin.left!,
        right: margin.right!,
      ),
      alignment: AlignmentConvert.horizontalConvert(
          widget.paragraph.horizontalAlignment),
      child: Wrap(
        alignment: WrapAlignment.spaceEvenly,
        children: [
          ..._elements!.map((element) {
            if (element.elementType!.name == ElementType.inputText!.name) {
              InputText inputText = element as InputText;
              return RInputText(inputText: inputText);
            } else if (element.elementType!.name ==
                ElementType.staticText!.name) {
              StaticText staticText = element as StaticText;
              if (staticText.lineWidth == 0) {
                staticText.lineWidth = staticText.lineLength! * 10.5;
              }
              return RStaticText(staticText);
            } else if (element.elementType!.name ==
                ElementType.singleSelected!.name) {
              SingleSelected singleSelected = element as SingleSelected;
              return RSingleSelected(singleSelected);
            } else if (element.elementType!.name == ElementType.line!.name) {
              Line line = element as Line;
              return RLine(line);
            } else if (element.elementType!.name ==
                ElementType.dateTime!.name) {
              final dateTime = element as DateTimeElement;
              return RDateTime(dateTime);
            } else if (element.elementType!.name ==
                ElementType.multiSelected!.name) {
              final multiSelected = element as MultiSelected;
              return RMultiSelected(multiSelected);
            } else if (element.elementType!.name ==
                ElementType.inputImage!.name) {
              final inputImage = element as InputImage;
              return RInputImage(inputImage);
            } else if (element.elementType!.name ==
                ElementType.staticImage!.name) {
              final staticImage = element as StaticImage;
              return RStaticImage(staticImage);
            } else if (element.elementType!.name == ElementType.space!.name) {
              final space = element as Space;
              return RSpace(space);
            } else if (element.elementType!.name ==
                ElementType.pageNumber!.name) {
              final pageNumber = element as PageNumber;
              return RPageNumber(pageNumber);
            }
            return Container(
              height: 30,
              width: 180,
              decoration: TestBoxDecoration.buildDecoration(),
              child: const Text('未知组件占位'),
            );
          }),
        ],
      ),
    );
  }

  void _showMultiSelect(List<String>? items) async {
    // a list of selectable items
    // these items can be hard-coded or dynamically fetched from a database/API
    if (items!.isEmpty) {
      return;
    }

    final List<String>? results = await showDialog(
      context: context,
      builder: (BuildContext context) {
        return MultiSelect(items: items);
      },
    );
  }
}