flutter-sport/lib/widgets/dialog/scan_add_new_friend_dialog.dart

import 'dart:async';

import 'package:cached_network_image/cached_network_image.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:sport/bean/user_info.dart';
import 'package:sport/services/api/inject_api.dart';
import 'package:sport/utils/toast.dart';
import 'package:sport/widgets/image.dart';

import '../button_cancel.dart';
import '../button_primary.dart';
import '../space.dart';

/// 业务组件 只针对 扫码加好友情况下的弹窗...
class ScanAddFriendCustomAlertDialog extends StatefulWidget {
  final Function? ok;
  final bool addClose;
  final UserInfo userInfo;
  final String? newFriendCode;
  final bool isWaitAdd;
  final Function? goNext;

  ScanAddFriendCustomAlertDialog({required this.userInfo, this.ok, this.addClose = false, this.newFriendCode, this.isWaitAdd = false, this.goNext});

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

class _ScanAddFriendCustomAlertDialog extends State<ScanAddFriendCustomAlertDialog> with InjectApi {
  String okText = "申请中";
  int dialogIndex = 0;
  List<Function>? dialogs;
  Timer? timerText;
  Timer? timerIsFriend;
  ValueNotifier<int> _addState = ValueNotifier(0);

  @override
  initState() {
    super.initState();
    _addState.addListener(() {
      Timer(Duration(seconds: 3), () {
        Navigator.of(context).maybePop(false);
      });
    });
  }

  initOkText() {
    int timeout = 0;
    List<String> okTexts = ["申请中", "申请中.", "申请中..", "申请中..."];
    int max = 20;
    timerText?.cancel();

    timerText = Timer.periodic(const Duration(seconds: 1), (timer) {
      //到时回调
      setState(() {
        okText = "${okTexts[timeout % 3]} (${max - timeout})";
      });
      if (timeout > max) {
        timer.cancel();
        _addState.value = 99;
      }
      timeout += 1;
    });
  }

  @override
  void dispose() {
    super.dispose();
    timerText?.cancel();
//    timer = null;
    timerIsFriend?.cancel();
  }

  void pollGetIsFriend(int uid) {
    timerIsFriend = Timer.periodic(const Duration(seconds: 2), (timer) async {
      //到时回调
      var data = (await api.userRelation(uid: uid)).data;
      if (data?.relation == "friends") {
        // ToastUtil.show("添加成功");
        timer.cancel();
        _addState.value = 1;
        // Navigator.of(context).pop(false);
        return;
      }
      if (data?.followDetail?.isIgnore == 0) {
        // ToastUtil.show("添加成功");
        timer.cancel();
        _addState.value = 2;
        // Navigator.of(context).pop(false);
        return;
      }
    });
  }

  @override
  Widget build(BuildContext context) {
    var _width = MediaQuery.of(context).size.width * 0.86;
    Widget userInfoContent(bool isShowUserInfo) {
      return Column(
        children: <Widget>[
          CircleAvatar(backgroundColor: Colors.black26,
              backgroundImage: userAvatarProvider(
                widget.userInfo.avatar,
              ),
              radius: 35),
          Space(
            height: 12.0,
          ),
          Center(
            child: isShowUserInfo
                ? ValueListenableBuilder(
                    valueListenable: _addState,
                    builder: (BuildContext context, int value, Widget? child) {
                      if (value == 0) {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(text: "是否添加 ", style: Theme.of(context).textTheme.subtitle1!),
                            TextSpan(
                                text: "${widget.userInfo.name}", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: " 为好友", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      }else if (value == 1) {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(text: "已添加 ", style: Theme.of(context).textTheme.subtitle1!),
                            TextSpan(
                                text: "${widget.userInfo.name}", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: " 为好友", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      }  else if (value == 2) {
                        return Text("对方拒绝了您的好友申请", style: Theme.of(context).textTheme.subtitle1!);
                      } else {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(text: "对方未回应，已", style: Theme.of(context).textTheme.subtitle1!),
                            TextSpan(text: " 关注 ", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: "对方", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      }
                    },
                  )
                : ValueListenableBuilder(
                    valueListenable: _addState,
                    builder: (BuildContext context, int value, Widget? child) {
                      if (value == 1) {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(text: "已添加", style: Theme.of(context).textTheme.subtitle1!),
                            TextSpan(
                                text: "${widget.userInfo.name}", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: " 为好友", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      } else if (value == 2) {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(text: "您已拒绝了 ", style: Theme.of(context).textTheme.subtitle1!),
                            TextSpan(
                                text: "${widget.userInfo.name}", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: " 的好友申请", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      } else {
                        return RichText(
                          text: TextSpan(children: <InlineSpan>[
                            TextSpan(
                                text: "${widget.userInfo.name}", style: Theme.of(context).textTheme.subtitle1!.copyWith(color: Theme.of(context).accentColor)),
                            TextSpan(text: " 请求添加您为好友", style: Theme.of(context).textTheme.subtitle1!)
                          ]),
                        );
                      }
                    }),
          ),
          // Space(
          //   height: 8.0,
          // ),
          // isShowUserInfo
          //     ? Row(
          //         mainAxisAlignment: MainAxisAlignment.center,
          //         children: <Widget>[
          //           Row(
          //             children: <Widget>[
          //               Image.asset("lib/assets/img/mine_icon_${widget.userInfo.gender == 1 ? "manl" : "girl"}_gray.png"),
          //               Space(
          //                 width: 4,
          //               ),
          //               Text(
          //                 widget.userInfo.gender == 1 ? "男" : "女",
          //                 style: TextStyle(color: Color(0xff999999), fontSize: 12),
          //               ),
          //             ],
          //           ),
          //           if ((widget.userInfo.age ?? 0) != 0)
          //             Padding(
          //               padding: const EdgeInsets.only(left: 10.0),
          //               child: Text(
          //                 "${widget.userInfo.age}岁",
          //                 style: TextStyle(color: Color(0xff999999), fontSize: 12),
          //               ),
          //             ),
          //           if (widget.userInfo.city != null)
          //             Padding(
          //               padding: const EdgeInsets.only(left: 10.0),
          //               child: Text(
          //                 "${widget.userInfo.province}${widget.userInfo.province == widget.userInfo.city ? '' : widget.userInfo.city}",
          //                 style: TextStyle(color: Color(0xff999999), fontSize: 12),
          //               ),
          //             ),
          //         ],
          //       )
          //     : Text(
          //         "请求添加您为好友",
          //         style: Theme.of(context).textTheme.subtitle1!,
          //       ),
        ],
      );
    }

    Widget baseDialog(double width, Widget button, bool isShowUserInfo) {
      return Center(
        child: Container(
          width: width,
          padding: const EdgeInsets.all(24.0),
          decoration: BoxDecoration(
            borderRadius: BorderRadius.all(Radius.circular(10.0)),
            color: Colors.white,
          ),
          child: Column(
            mainAxisSize: MainAxisSize.min,
            children: <Widget>[
              ConstrainedBox(
                  constraints: BoxConstraints(maxHeight: MediaQuery.of(context).size.height - 100),
                  child: SingleChildScrollView(child: userInfoContent(isShowUserInfo))),
              ValueListenableBuilder(
                valueListenable: _addState,
                builder: (BuildContext context, int value, Widget? child) {
                  if (_addState.value == 0)
                    return Padding(
                      padding: const EdgeInsets.only(top: 30),
                      child: Row(
                        mainAxisAlignment: MainAxisAlignment.spaceBetween,
                        children: <Widget>[
                          Expanded(
                            child: FeelCancelButton(
                                height: 35,
                                callback: () async {
                                  // 这里cancel好像不需要?
                                  // 代表是第三个框 可以 取消...
                                  if (isShowUserInfo) {
                                    Navigator.of(context).pop(false);
                                  }else{
                                    await api.postRejectFriend(widget.userInfo.id!);
                                    _addState.value = 2;
                                  }
                                },
                                content: isShowUserInfo ? "取消" : "拒绝"),
                          ),
                          SizedBox(
                            width: 16,
                          ),
                          Expanded(child: button)
                        ],
                      ),
                    );
                  return Container();
                },
              ),
            ],
          ),
        ),
      );
    }

    Widget scanDialog(double width) {
      return baseDialog(
        width,
        PrimaryButton(
            height: 35,
            callback: () async {
              await api.getNewFriend(widget.newFriendCode ?? "");
              setState(() {
                dialogIndex = 1;
                pollGetIsFriend(widget.userInfo.id!); // 是否是好友的
              });
              initOkText();
            },
            content: "申请好友"),
        true,
      );
    }

    Widget confirmDialog(double width) {
      return baseDialog(width, FeelCancelButton(height: 35, content: okText, callback: () {}), true);
    }

    Widget confirmDialogOther(double width) {
      return baseDialog(
          width,
          PrimaryButton(
              height: 35,
              callback: () async {
                var resp = (await api.postAcceptFriend(widget.userInfo.id!));
                // 这里我不想去 争论什么 这里就是返回null的。 从来都没有用result 去 判断...
                if (resp.code == 0) {
                  // ToastUtil.show("添加成功");
                  _addState.value = 1;
                }
                // Navigator.of(context).pop(false);
              },
              content: "添加"),
          false);
    }

    dialogs = [scanDialog, confirmDialog, confirmDialogOther];
    return Material(
      type: MaterialType.transparency,
      child: widget.isWaitAdd == true ? dialogs![2](_width) : dialogs![dialogIndex](_width),
    );
  }
}