import 'dart:io';

import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_slidable/flutter_slidable.dart';
import 'package:qinglong_app/base/base_state_widget.dart';
import 'package:qinglong_app/base/routes.dart';
import 'package:qinglong_app/base/theme.dart';
import 'package:qinglong_app/base/ui/empty_widget.dart';
import 'package:qinglong_app/module/env/env_bean.dart';
import 'package:qinglong_app/module/env/env_viewmodel.dart';
import 'package:qinglong_app/utils/extension.dart';

class EnvPage extends StatefulWidget {
  const EnvPage({Key? key}) : super(key: key);

  @override
  _EnvPageState createState() => _EnvPageState();
}

class _EnvPageState extends State<EnvPage> {
  final TextEditingController _searchController = TextEditingController();

  @override
  Widget build(BuildContext context) {
    return BaseStateWidget<EnvViewModel>(
      builder: (ref, model, child) {
        List<EnvItemCell> list = [];

        for (var value in model.list) {
          if (_searchController.text.isEmpty ||
              (value.name?.contains(_searchController.text) ?? false) ||
              (value.value?.contains(_searchController.text) ?? false) ||
              (value.remarks?.contains(_searchController.text) ?? false)) {
            list.add(EnvItemCell(
              value,
              ref,
              key: ValueKey(value.sId),
            ));
          }
        }

        return model.list.isEmpty
            ? const EmptyWidget()
            : RefreshIndicator(
                color: Theme.of(context).primaryColor,
                onRefresh: () async {
                  return model.loadData(false);
                },
                child: ReorderableListView(
                  keyboardDismissBehavior:
                      ScrollViewKeyboardDismissBehavior.onDrag,
                  header: searchCell(ref),
                  onReorder: (int oldIndex, int newIndex) {
                    if (list.length != model.list.length) {
                      "请先清空搜索关键词".toast();
                      return;
                    }

                    setState(() {
                      //交换数据
                      if (newIndex > oldIndex) {
                        newIndex -= 1;
                      }
                      final EnvBean item = model.list.removeAt(oldIndex);
                      model.list.insert(newIndex, item);
                      model.update(item.sId ?? "", newIndex, oldIndex);
                    });
                  },
                  children: list,
                ),
              );
      },
      model: envProvider,
      onReady: (viewModel) {
        viewModel.loadData();
      },
    );
  }

  Widget searchCell(WidgetRef context) {
    return Container(
      padding: const EdgeInsets.symmetric(
        horizontal: 15,
        vertical: 10,
      ),
      child: CupertinoSearchTextField(
        onSubmitted: (value) {
          setState(() {});
        },
        onSuffixTap: () {
          _searchController.text = "";
          setState(() {});
        },
        controller: _searchController,
        borderRadius: BorderRadius.circular(
          30,
        ),
        padding: const EdgeInsets.symmetric(
          horizontal: 5,
          vertical: 5,
        ),
        suffixInsets: const EdgeInsets.only(
          right: 15,
        ),
        prefixInsets: EdgeInsets.only(
          top: Platform.isAndroid ? 10 : 6,
          bottom: 6,
          left: 15,
        ),
        placeholderStyle: TextStyle(
          fontSize: 16,
          color: context.watch(themeProvider).themeColor.descColor(),
        ),
        style: const TextStyle(
          fontSize: 16,
        ),
        placeholder: "搜索",
      ),
    );
  }
}

class EnvItemCell extends StatelessWidget {
  final EnvBean bean;
  final WidgetRef ref;

  const EnvItemCell(this.bean, this.ref, {Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return ColoredBox(
      color: ref.watch(themeProvider).themeColor.settingBgColor(),
      child: Slidable(
        key: ValueKey(bean.sId),
        endActionPane: ActionPane(
          motion: const ScrollMotion(),
          extentRatio: 0.45,
          children: [
            SlidableAction(
              backgroundColor: Colors.grey,
              flex: 1,
              onPressed: (_) {
                Navigator.of(context)
                    .pushNamed(Routes.routeAddEnv, arguments: bean);
              },
              foregroundColor: Colors.white,
              icon: CupertinoIcons.pencil,
            ),
            SlidableAction(
              backgroundColor: Colors.orange,
              flex: 1,
              onPressed: (_) {
                enableEnv();
              },
              foregroundColor: Colors.white,
              icon: bean.status == 0
                  ? Icons.dnd_forwardslash
                  : Icons.check_circle_outline_sharp,
            ),
            SlidableAction(
              backgroundColor: Colors.red,
              flex: 1,
              onPressed: (_) {
                delEnv(context, ref);
              },
              foregroundColor: Colors.white,
              icon: CupertinoIcons.delete,
            ),
          ],
        ),
        child: SizedBox(
          width: MediaQuery.of(context).size.width,
          child: Column(
            mainAxisSize: MainAxisSize.min,
            crossAxisAlignment: CrossAxisAlignment.start,
            children: [
              Container(
                padding: const EdgeInsets.symmetric(
                  horizontal: 15,
                  vertical: 8,
                ),
                child: Column(
                  mainAxisSize: MainAxisSize.min,
                  mainAxisAlignment: MainAxisAlignment.start,
                  crossAxisAlignment: CrossAxisAlignment.start,
                  children: [
                    Row(
                      mainAxisAlignment: MainAxisAlignment.start,
                      children: [
                        Expanded(
                          child: Material(
                            color: Colors.transparent,
                            child: Text(
                              bean.name ?? "",
                              maxLines: 1,
                              style: TextStyle(
                                overflow: TextOverflow.ellipsis,
                                color: bean.status == 1
                                    ? const Color(0xffF85152)
                                    : ref
                                        .watch(themeProvider)
                                        .themeColor
                                        .taskTitleColor(),
                                fontSize: 18,
                              ),
                            ),
                          ),
                        ),
                        const SizedBox(
                          width: 5,
                        ),
                        Material(
                          color: Colors.transparent,
                          child: Text(
                            bean.remarks ?? "-",
                            maxLines: 1,
                            style: TextStyle(
                              overflow: TextOverflow.ellipsis,
                              color: ref
                                  .watch(themeProvider)
                                  .themeColor
                                  .descColor(),
                              fontSize: 12,
                            ),
                          ),
                        ),
                      ],
                    ),
                    const SizedBox(
                      height: 8,
                    ),
                    Material(
                      color: Colors.transparent,
                      child: Text(
                        bean.value ?? "",
                        maxLines: 1,
                        style: TextStyle(
                          overflow: TextOverflow.ellipsis,
                          color:
                              ref.watch(themeProvider).themeColor.descColor(),
                          fontSize: 12,
                        ),
                      ),
                    ),
                  ],
                ),
              ),
              const Divider(
                height: 1,
                indent: 15,
              ),
            ],
          ),
        ),
      ),
    );
  }

  void enableEnv() {
    ref.read(envProvider).enableEnv(bean.sId!, bean.status!);
  }

  void delEnv(BuildContext context, WidgetRef ref) {
    showCupertinoDialog(
      context: context,
      builder: (context) => CupertinoAlertDialog(
        title: const Text("确认删除"),
        content: Text("确认删除环境变量 ${bean.name ?? ""} 吗"),
        actions: [
          CupertinoDialogAction(
            child: const Text("取消"),
            onPressed: () {
              Navigator.of(context).pop();
            },
          ),
          CupertinoDialogAction(
            child: const Text("确定"),
            onPressed: () {
              Navigator.of(context).pop();
              ref.read(envProvider).delEnv(bean.sId!);
            },
          ),
        ],
      ),
    );
  }
}