import 'package:cs_resources/constants/color_constants.dart';
import 'package:cs_resources/generated/assets.dart';
import 'package:flutter/cupertino.dart';
import 'package:flutter/gestures.dart';
import 'package:flutter/material.dart';
import 'package:flutter/widgets.dart';
import 'package:get/get.dart';
import 'package:plugin_basic/base/base_stateful_page.dart';
import 'package:plugin_basic/base/base_state.dart';
import 'package:plugin_basic/base/mixin_state_lifecycle.dart';
import 'package:plugin_basic/utils/ext_get_nav.dart';
import 'package:router/path/router_path.dart';
import 'package:shared/utils/device_utils.dart';
import 'package:shared/utils/log_utils.dart';
import 'package:shared/utils/screen_util.dart';
import 'package:widgets/custom_radio_check.dart';
import 'package:widgets/ext/ex_widget.dart';
import 'package:widgets/my_button.dart';
import 'package:widgets/my_load_image.dart';
import 'package:widgets/my_text_field.dart';
import 'package:widgets/my_text_view.dart';
import 'package:widgets/widget_export.dart';
import 'login_controller.dart';
import 'login_state.dart';

/*
   App 登录页面
 */
class LoginPage extends BaseStatefulPage<LoginController> {
  LoginPage({super.key});

  //启动当前页面
  static void startInstance() {
    return Get.start(RouterPath.AUTH_LOGIN, launchModel: LaunchModel.standard);
  }

  static void startWithPopAll() {
    Get.offAllNamed(RouterPath.AUTH_LOGIN);
  }

  @override
  State<LoginPage> createState() => _MainPageState();

  @override
  LoginController createRawController() {
    return LoginController();
  }
}

/**
 * 页面
 */
class _MainPageState extends BaseState<LoginPage, LoginController> with StateLifecycle {
  late LoginState state;

  @override
  void initState() {
    super.initState();
    state = controller.state;
  }

  @override
  void dispose() {
    Get.delete<LoginController>();
    super.dispose();
  }

  @override
  Widget build(BuildContext context) {
    Log.d("LoginPage Lifecycle - build走了一遍");

    return autoCtlGetBuilder(
      builder: (controller) {
        return Scaffold(
          body: Container(
            width: double.infinity,
            height: double.infinity,
            decoration: const BoxDecoration(
              gradient: LinearGradient(
                colors: [
                  Color(0xFF091D44),
                  Color(0xFF245A8A),
                  Color(0xFF7F7CEC),
                ],
                begin: Alignment.topCenter,
                end: Alignment.bottomCenter,
              ),
            ),
            child: Column(
              mainAxisSize: MainAxisSize.max,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: [
                //当前选择的国家，这个不跟随滚动
                Align(
                  alignment: Alignment.topRight,
                  child: MyTextView(
                    "Vietnam".tr,
                    textColor: ColorConstants.white,
                    isFontMedium: true,
                    fontSize: 15,
                    marginTop: ScreenUtil.getStatusBarH(context) + 20,
                    marginRight: 20,
                  ),
                ),

                // 底部滚动的布局
                SingleChildScrollView(
                    scrollDirection: Axis.vertical,
                    physics: const BouncingScrollPhysics(),
                    child: Column(
                      mainAxisSize: MainAxisSize.max,
                      crossAxisAlignment: CrossAxisAlignment.center,
                      children: [
                        MyTextView(
                          "Casual Labour System",
                          textColor: ColorConstants.white,
                          isFontBold: true,
                          fontSize: 35,
                          marginTop: 20,
                          fontStyle: FontStyle.italic,
                          textAlign: TextAlign.center,
                          marginLeft: 50,
                          marginRight: 50,
                        ),

                        //中间的输入框布局
                        Container(
                          width: double.infinity,
                          margin: EdgeInsets.symmetric(vertical: 45, horizontal: 15),
                          padding: EdgeInsets.symmetric(vertical: 33, horizontal: 20),
                          decoration: BoxDecoration(
                            color: Color(0xFF4DCFF6).withOpacity(0.2), // 设置背景颜色和不透明度
                            borderRadius: BorderRadius.circular(5.0), // 设置圆角
                          ),
                          child: Center(
                            child: Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                //登录文本
                                MyTextView(
                                  "Email".tr,
                                  isFontMedium: true,
                                  fontSize: 17,
                                  textColor: ColorConstants.white,
                                ),

                                // 登录表单 - 账号
                                _buildInputLayout(
                                  "code",
                                  textInputAction: TextInputAction.next,
                                  errorText: state.codeErrorText,
                                  onSubmit: (formKey, value) {
                                    state.formData[formKey]!['focusNode'].unfocus();
                                    FocusScope.of(context).requestFocus(state.formData['password']!['focusNode']);
                                  },
                                ),

                                //密码文本
                                MyTextView(
                                  "Password".tr,
                                  isFontMedium: true,
                                  fontSize: 17,
                                  textColor: ColorConstants.white,
                                  marginTop: 18,
                                ),

                                // 登录表单 - 密码
                                _buildInputLayout(
                                  "password",
                                  obscureText: !state.pwdVisibility,
                                  errorText: state.passwordErrorText,
                                  showRightIcon: true,
                                  rightWidget: IconButton(
                                    highlightColor: Colors.transparent,
                                    splashColor: Colors.transparent,
                                    icon: state.pwdVisibility
                                        ? const MyAssetImage(
                                            Assets.cptAuthPasswordShowIcon,
                                            width: 21,
                                            height: 21,
                                            color: ColorConstants.white,
                                          )
                                        : const MyAssetImage(
                                            Assets.cptAuthPasswordHideIcon,
                                            width: 21,
                                            height: 21,
                                            color: ColorConstants.white,
                                          ),
                                    onPressed: () {
                                      controller.switchPwdVisibility();
                                    },
                                  ),
                                  onSubmit: (formKey, value) {
                                    state.formData[formKey]!['focusNode'].unfocus();
                                    controller.doInputLogin();
                                  },
                                ),

                                //选择签到功能还是全功能
                                CustomRadioCheck(
                                  options: state.loginOption,
                                  onOptionSelected: (index, text) {
                                    state.loginOptionPosition = index;
                                  },
                                ).marginSymmetric(vertical: 20),

                                //登录按钮
                                MyButton(
                                  type: ClickType.throttle,
                                  milliseconds: 500,
                                  onPressed: () {
                                    FocusScope.of(context).unfocus();
                                    controller.doInputLogin();
                                  },
                                  text: "Log in".tr,
                                  textColor: ColorConstants.white,
                                  fontSize: 16,
                                  radius: 22.5,
                                  backgroundColor: hexToColor("#FFBB1B"),
                                  fontWeight: FontWeight.w500,
                                ),

                                //注册入口
                                Visibility(
                                  visible: !DeviceUtils.isAndroid,
                                  child: _buildRichText(),
                                ),
                              ],
                            ),
                          ), // 传递子部件
                        ),
                      ],
                    )).expanded(),
              ],
            ),
          ),
        );
      },
    );
  }

  //底部的注册文本
  Widget _buildRichText() {
    return Align(
      alignment: Alignment.center,
      child: RichText(
        text: TextSpan(
          style: TextStyle(fontSize: 14.0, fontWeight: FontWeight.w500, color: ColorConstants.textGrayAECAE5),
          children: <TextSpan>[
            TextSpan(
              text: "Don’t have an account?".tr,
              style: TextStyle(color: ColorConstants.textGrayAECAE5),
            ),
            TextSpan(
              text: "Sign up".tr,
              style: TextStyle(color: ColorConstants.textYellowFFBB1B),
              recognizer: TapGestureRecognizer()
                ..onTap = () {
                  //去登录页面
                  controller.gotoSignUpPage();
                },
            ),
          ],
        ),
      ),
    ).marginOnly(top: 23);
  }

  /// 输入框 账号与密码
  Widget _buildInputLayout(
    String key, {
    double marginTop = 0,
    bool? showRightIcon = false, //是否展示右侧的布局
    Widget? rightWidget, //右侧的布局
    TextInputType textInputType = TextInputType.text,
    String? errorText,
    bool obscureText = false,
    TextInputAction textInputAction = TextInputAction.done,
    Function? onSubmit,
  }) {
    return IgnoreKeyboardDismiss(
      child: MyTextField(
        key,
        state.formData[key]!['value'],
        hintText: state.formData[key]!['hintText'],
        hintStyle: TextStyle(
          color: hexToColor("#AECAE5"),
          fontSize: 15.0,
          fontWeight: FontWeight.w500,
        ),
        controller: state.formData[key]!['controller'],
        focusNode: state.formData[key]!['focusNode'],
        margin: EdgeInsets.only(top: marginTop),
        showDivider: true,
        dividerColor: hexToColor("#7BABC8"),
        style: TextStyle(
          color: ColorConstants.white,
          fontSize: 15.0,
          fontWeight: FontWeight.w500,
        ),
        inputType: textInputType,
        height: 35,
        textInputAction: textInputAction,
        onSubmit: onSubmit,
        cursorColor: ColorConstants.white,
        obscureText: obscureText,
        errorText: errorText,
        showLeftIcon: true,
        showRightIcon: showRightIcon,
        rightWidget: rightWidget,
      ),
    );
  }
}