import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:get/get.dart';
import 'package:star_lock/app_settings/app_colors.dart';
import 'package:star_lock/mine/valueAddedServices/valueAddedServicesSMSTemplate/valueAddedServicesAddSMSTemplate/newSMSTemplate_entity.dart';
import 'package:star_lock/mine/valueAddedServices/valueAddedServicesSMSTemplate/valueAddedServicesAddSMSTemplate/newSMSTemplate_logic.dart';
import 'package:star_lock/mine/valueAddedServices/valueAddedServicesSMSTemplate/valueAddedServicesAddSMSTemplate/newSMSTemplate_state.dart';

import '../../../../tools/commonItem.dart';
import '../../../../tools/showBottomSheetTool.dart';
import '../../../../tools/submitBtn.dart';
import '../../../../tools/titleAppBar.dart';
import '../../../../translations/trans_lib.dart';

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

  @override
  State<NewSMSTemplatePage> createState() => _NewSMSTemplatePageState();
}

class _NewSMSTemplatePageState extends State<NewSMSTemplatePage> {
  final NewSMSTemplateLogic logic = Get.put(NewSMSTemplateLogic());
  final NewSMSTemplateState state = Get.find<NewSMSTemplateLogic>().state;

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: AppColors.mainBackgroundColor,
      appBar: TitleAppBar(
        barTitle: state.templateType == 1 ? '新建短信模版'.tr : '新建邮件模版'.tr,
        haveBack: true,
        backgroundColor: AppColors.mainColor,
      ),
      body: SingleChildScrollView(
        child: Column(
          children: <Widget>[
            _buildEditTopInfo(),
            SizedBox(height: 10.h),
            _buildEditTemplate(),
            SizedBox(height: 10.h),
            _buildPreView(),
            SizedBox(height: 42.h),
            Container(
              margin: EdgeInsets.symmetric(horizontal: 20.w),
              child: SubmitBtn(
                btnName: TranslationLoader.lanKeys!.save!.tr,
                onClick: () {
                  if (state.currentTemplate.value.isUpdate == true) {
                    logic.updateTemplateInfo();
                  } else {
                    logic.addSMSTemplate();
                  }
                },
              ),
            ),
            SizedBox(height: 40.h),
          ],
        ),
      ),
    );
  }

  Widget _buildEditTopInfo() {
    return Column(
      children: <Widget>[
        CommonItem(
          leftTitel: '名称'.tr,
          rightTitle: '',
          isHaveLine: true,
          isHaveRightWidget: true,
          rightWidget: getTFWidget(
            state.templateNameTf,
            TranslationLoader.lanKeys!.pleaseEnter!.tr,
          ),
        ),
        Obx(
          () => CommonItem(
            leftTitel: TranslationLoader.lanKeys!.type!.tr,
            rightTitle: state.currentTemplate.value.typeName ?? '',
            isHaveLine: false,
            isHaveDirection: true,
            action: _showSelectTemplateType,
          ),
        ),
      ],
    );
  }

  Widget _buildEditTemplate() {
    return Container(
      color: Colors.white,
      child: Column(
        children: <Widget>[
          Row(
            children: <Widget>[
              Padding(
                padding: EdgeInsets.all(25.w),
                child: Text(
                  TranslationLoader.lanKeys!.templateContent!.tr,
                  style:
                      TextStyle(fontSize: 20.sp, fontWeight: FontWeight.w600),
                ),
              ),
            ],
          ),
          Container(
            margin: EdgeInsets.symmetric(horizontal: 25.w, vertical: 25.h),
            height: 100,
            child: _buildTextField(state.templateOneTf),
          ),
          Obx(() => Container(
                width: 1.sw - 50.w,
                margin: EdgeInsets.only(left: 25.w, right: 25.w),
                child: _buildTemplateWithType(isPreview: false),
              )),
          SizedBox(height: 10.h),
          Obx(() => Visibility(
              visible: state.templateType.value == 1,
              child: Container(
                margin: EdgeInsets.symmetric(horizontal: 25.w, vertical: 25.h),
                height: 100,
                child: Stack(
                  alignment: Alignment.bottomRight,
                  children: <Widget>[
                    _buildTextField(state.templateTwoTf),
                  ],
                ),
              ))),
        ],
      ),
    );
  }

  Widget _buildPreView() {
    return Container(
      color: Colors.white,
      margin: EdgeInsets.only(bottom: 20.h),
      child: Column(
        children: <Widget>[
          Padding(
            padding: EdgeInsets.only(top: 25.h, bottom: 25.h, left: 25.w),
            child: Align(
              alignment: Alignment.centerLeft,
              child: Text(
                TranslationLoader.lanKeys!.preview!.tr,
                style: TextStyle(fontSize: 20.sp, fontWeight: FontWeight.w600),
                textAlign: TextAlign.left,
              ),
            ),
          ),
          Obx(() => Container(
                width: 1.sw - 50.w,
                margin: EdgeInsets.only(left: 25.w, right: 25.w),
                padding: EdgeInsets.only(left: 20.w, right: 20.w, top: 10.h),
                decoration: BoxDecoration(
                  color: const Color(0xFFF5F5F5),
                  borderRadius: BorderRadius.circular(10.h),
                ),
                child: _buildTemplateWithType(isPreview: true),
              )),
          Padding(
            padding: EdgeInsets.only(
              left: 25.w,
              top: 25.h,
              bottom: 25.h,
            ),
            child: Text(
              '预计产生短信条数：${state.smsCost.value}',
              style: TextStyle(
                color: Colors.grey,
                fontSize: 20.sp,
              ),
            ),
          ),
        ],
      ),
    );
  }

  Widget _buildTemplateWithType({required bool isPreview}) {
    // 检查当前模板是否为空
    if (state.currentTemplate.value.template == null ||
        state.currentTemplate.value.template!.isEmpty) {
      return const SizedBox.shrink(); // 如果为空，返回一个空的 SizedBox
    } else {
      return RichText(
        text: TextSpan(
          children: state.currentTemplate.value.typeName == '电子钥匙'
              ? logic.buildElectronicKeySpan(isPreview: isPreview)
              : logic.buildPasswordSpan(isPreview: isPreview),
        ),
      );
    }
  }

  Widget _buildTextField(TextEditingController controller) {
    return TextField(
      maxLines: 8,
      textAlign: TextAlign.start,
      controller: controller,
      style: state.defaultStyle,
      decoration: InputDecoration(
        contentPadding: EdgeInsets.all(20.w),
        border: OutlineInputBorder(
          borderRadius: BorderRadius.circular(20.h),
          borderSide: const BorderSide(color: Color(0xffB2B2B2), width: 0.5),
        ),
        focusedBorder: OutlineInputBorder(
          borderRadius: BorderRadius.circular(20.h),
          borderSide: const BorderSide(color: Color(0xffB2B2B2), width: 1),
        ),
      ),
      onChanged: (String value) {
        setState(() {
          controller.text = value;
          logic.updateSmsCost(value); // 更新短信条数
        });
      },
    );
  }

  Widget getTFWidget(TextEditingController tfController, String tfStr) {
    return SizedBox(
      height: 50.h,
      width: 300.w,
      child: Row(
        children: <Widget>[
          Expanded(
            child: TextField(
              maxLines: 1,
              controller: tfController,
              autofocus: false,
              textAlign: TextAlign.end,
              style: TextStyle(fontSize: 22.sp),
              decoration: InputDecoration(
                contentPadding: const EdgeInsets.only(top: 12.0, bottom: 8.0),
                hintText: tfStr,
                hintStyle: TextStyle(fontSize: 22.sp),
                border: InputBorder.none,
              ),
            ),
          ),
        ],
      ),
    );
  }

  void _showSelectTemplateType() {
    final List<String> titleList = state.templateList
        .map((SMSTemplateData template) => template.typeName ?? '')
        .toList();
    ShowBottomSheetTool().showSingleRowPicker(
      context,
      normalIndex: 0,
      title: TranslationLoader.lanKeys!.type!.tr,
      cancelTitle: TranslationLoader.lanKeys!.cancel!.tr,
      sureTitle: TranslationLoader.lanKeys!.sure!.tr,
      data: titleList,
      clickCallBack: (int index, Object str) {
        state.currentTemplate.value = state.templateList[index];
        state.currentTemplate.value.typeName = str.toString();
        state.currentTemplate.refresh();
      },
    );
  }
}