import 'package:flutter/material.dart';
import 'package:karing/i18n/strings.g.dart';
import 'package:karing/screens/dialog_utils.dart';
import 'package:karing/screens/theme_config.dart';
import 'package:karing/screens/theme_define.dart';
import 'package:karing/screens/widgets/framework.dart';

class ListAddScreen extends LasyRenderingStatefulWidget {
  static RouteSettings routSettings(String viewTag) {
    return RouteSettings(name: "ListAddScreen:$viewTag");
  }

  final String title;
  final List<String> data;
  final Set<String> invalidData;
  final String dialogTitle;
  final String dialogTextHit;
  final Future<String?> Function()? onTapAdd;
  const ListAddScreen({
    super.key,
    required this.title,
    required this.data,
    this.invalidData = const {},
    this.dialogTitle = "",
    this.dialogTextHit = "",
    this.onTapAdd,
  });

  @override
  State<ListAddScreen> createState() => _ListAddScreenState();
}

class _ListAddScreenState extends LasyRenderingState<ListAddScreen> {
  @override
  void initState() {
    super.initState();
  }

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

  @override
  Widget build(BuildContext context) {
    Size windowSize = MediaQuery.of(context).size;
    return Scaffold(
      appBar: PreferredSize(preferredSize: Size.zero, child: AppBar()),
      body: SafeArea(
        child: Padding(
          padding: const EdgeInsets.fromLTRB(0, 20, 0, 0),
          child: Column(
            children: [
              Padding(
                padding: const EdgeInsets.fromLTRB(0, 0, 0, 0),
                child: Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    InkWell(
                      onTap: () => Navigator.pop(context),
                      child: const SizedBox(
                        width: 50,
                        height: 30,
                        child: Icon(Icons.arrow_back_ios_outlined, size: 26),
                      ),
                    ),
                    SizedBox(
                      width: windowSize.width - 50 * 2,
                      child: Text(
                        widget.title,
                        textAlign: TextAlign.center,
                        overflow: TextOverflow.ellipsis,
                        style: const TextStyle(
                          fontWeight: ThemeConfig.kFontWeightTitle,
                          fontSize: ThemeConfig.kFontSizeTitle,
                        ),
                      ),
                    ),
                    InkWell(
                      onTap: () async {
                        onTapAdd();
                      },
                      child: const SizedBox(
                        width: 50,
                        height: 30,
                        child: Icon(Icons.add_outlined, size: 26),
                      ),
                    ),
                  ],
                ),
              ),
              const SizedBox(height: 10),
              Expanded(child: _loadListView()),
            ],
          ),
        ),
      ),
    );
  }

  Widget _loadListView() {
    Size windowSize = MediaQuery.of(context).size;
    return Scrollbar(
      thumbVisibility: true,
      child: ListView.separated(
        itemCount: widget.data.length,
        itemBuilder: (BuildContext context, int index) {
          var current = widget.data[index];
          return createWidget(index, current, windowSize);
        },
        separatorBuilder: (BuildContext context, int index) {
          return const Divider(height: 1, thickness: 0.3);
        },
      ),
    );
  }

  Widget createWidget(int index, dynamic current, Size windowSize) {
    const double rightWidth = 30.0;
    double centerWidth = windowSize.width - rightWidth - 20;

    return Material(
      borderRadius: ThemeDefine.kBorderRadius,
      child: InkWell(
        onTap: () {
          Navigator.pop(context, current);
        },
        child: Container(
          padding: const EdgeInsets.symmetric(horizontal: 10),
          width: double.infinity,
          height: ThemeConfig.kListItemHeight2,
          child: Row(
            children: [
              Row(
                children: [
                  Column(
                    mainAxisAlignment: MainAxisAlignment.center,
                    crossAxisAlignment: CrossAxisAlignment.start,
                    children: [
                      Row(
                        children: [
                          SizedBox(
                            width: centerWidth,
                            child: Text(
                              current,
                              overflow: TextOverflow.ellipsis,
                              style: TextStyle(
                                fontSize: ThemeConfig.kFontSizeGroupItem,
                                color: widget.invalidData.contains(current)
                                    ? Colors.red
                                    : null,
                              ),
                            ),
                          ),
                          SizedBox(
                            width: rightWidth,
                            height: ThemeConfig.kListItemHeight2 - 2,
                            child: InkWell(
                              onTap: () async {
                                onTapDelete(current);
                              },
                              child: const Icon(
                                Icons.remove_circle_outlined,
                                size: 26,
                                color: Colors.red,
                              ),
                            ),
                          ),
                        ],
                      ),
                    ],
                  ),
                ],
              ),
            ],
          ),
        ),
      ),
    );
  }

  void onTapAdd() async {
    String? text;
    if (widget.onTapAdd != null) {
      text = await widget.onTapAdd!();
    } else {
      final tcontext = Translations.of(context);
      text = await DialogUtils.showTextInputDialog(
        context,
        widget.dialogTitle.isNotEmpty ? widget.dialogTitle : tcontext.meta.add,
        "",
        widget.dialogTextHit.isNotEmpty ? widget.dialogTextHit : "",
        null,
        null,
        (text) {
          text = text.trim();
          if (text.isEmpty) {
            return false;
          }

          return true;
        },
      );
    }

    if (text == null) {
      return;
    }
    if (widget.data.contains(text)) {
      return;
    }
    widget.data.add(text);
    setState(() {});
  }

  void onTapDelete(String text) {
    widget.data.remove(text);

    setState(() {});
  }
}
