import 'package:flutter/cupertino.dart';
import 'package:flutter/material.dart';
import 'package:get/get.dart';
import 'package:getx_scaffold/getx_scaffold.dart';
import 'package:intl/intl.dart';
import 'package:ln_jq_app/common/model/base_model.dart';
import 'package:ln_jq_app/pages/login/view.dart';

import '../../../common/styles/theme.dart';
import '../../../storage_service.dart';

class ReservationController extends GetxController with BaseControllerMixin {
  @override
  String get builderId => 'b_reservation';

  final List<String> operationStatusOptions = ["营运中", "维修中", "暂停营业", "站点关闭"];
  String selectedOperationStatus = "营运中";

  // --- 其它状态下的时间选择 ---
  DateTime? customStartTime;
  DateTime? customEndTime;

  String get customStartTimeStr => customStartTime != null
      ? DateFormat('yyyy-MM-dd HH:mm').format(customStartTime!)
      : '点击选择开始时间';

  String get customEndTimeStr => customEndTime != null
      ? DateFormat('yyyy-MM-dd HH:mm').format(customEndTime!)
      : '点击选择结束时间';

  // --- 站点广播相关 ---
  final TextEditingController broadcastTitleController = TextEditingController();
  final TextEditingController broadcastContentController = TextEditingController();
  final RxInt selectedTabIndex = 0.obs;

  @override
  void onInit() {
    super.onInit();
    // 1. 初始化默认时间
    customStartTime = DateTime.now();
    customEndTime = customStartTime!.add(const Duration(days: 1));
    renderData();
  }

  String name = "";
  String address = "";
  String phone = "";
  String costPrice = "";
  String customerPrice = "";
  String startBusiness = "";
  String endBusiness = "";
  String timeStr = "";
  String operatingEnterprise = "";
  String hydrogenId = "";

  Future<void> renderData() async {
    showLoading("加载中");
    try {
      var responseData = await HttpService.to.get(
        'appointment/station/getStationInfoById?hydrogenId=${StorageService.to.userId}',
      );

      if (responseData == null && responseData!.data == null) {
        dismissLoading();
        showToast('暂时无法获取站点信息');
        return;
      }

      try {
        var result = BaseModel.fromJson(responseData.data);
        name = result.data["name"] ?? "";
        hydrogenId = result.data["hydrogenId"].toString();
        address = result.data["address"] ?? "";

        var rawCostPrice = result.data["costPrice"];
        costPrice = (rawCostPrice != null && rawCostPrice.toString().isNotEmpty)
            ? "¥$rawCostPrice"
            : "暂无价格";

        var customerPriceTemp = result.data["customerPrice"];
        customerPrice =
            (customerPriceTemp != null && customerPriceTemp.toString().isNotEmpty)
            ? "$customerPriceTemp"
            : "暂无价格";

        phone = result.data["phone"] ?? "";
        startBusiness = result.data["startBusiness"] ?? "";
        endBusiness = result.data["endBusiness"] ?? "";
        operatingEnterprise = result.data["operatingEnterprise"].toString();

        String temp = result.data["siteStatusName"].toString();
        selectedOperationStatus = (temp.isEmpty || temp == "null") ? "营运中" : temp;

        if (startBusiness.isNotEmpty && endBusiness.isNotEmpty) {
          if (startBusiness == "00:00:00" && endBusiness == "23:59:59") {
            timeStr = "24小时营业";
          } else {
            timeStr = '${startBusiness.substring(0, 5)} - ${endBusiness.substring(0, 5)}';
          }
        } else {
          timeStr = "时间未设置";
        }

        operatingEnterprise = operatingEnterprise.isEmpty ? "暂未设置" : operatingEnterprise;
        updateUi();
        dismissLoading();
      } catch (e) {
        dismissLoading();
        showToast('数据异常');
      }
    } catch (e) {
      dismissLoading();
    }
  }

  void onOperationStatusChanged(String? newValue) {
    if (newValue != null) {
      selectedOperationStatus = newValue;
      updateUi();
    }
  }

  /// 使用底部滚轮形式选择时间（下拉框效果）
  void pickDateTime(BuildContext context, bool isStart) {
    DateTime now = DateTime.now();
    DateTime initialDate = isStart ? (customStartTime ?? now) : (customEndTime ?? now);

    DateTime minLimit = isStart
        ? now.subtract(const Duration(minutes: 1))
        : (customStartTime ?? now).subtract(const Duration(minutes: 1));

    if (initialDate.isBefore(minLimit)) {
      initialDate = isStart ? now : (customStartTime ?? now);
    }

    DateTime tempDate = initialDate;

    Get.bottomSheet(
      Container(
        height: 300,
        decoration: const BoxDecoration(
          color: Colors.white,
          borderRadius: BorderRadius.only(
            topLeft: Radius.circular(16),
            topRight: Radius.circular(16),
          ),
        ),
        child: Column(
          children: [
            Padding(
              padding: const EdgeInsets.symmetric(horizontal: 16.0, vertical: 8.0),
              child: Row(
                mainAxisAlignment: MainAxisAlignment.spaceBetween,
                children: [
                  CupertinoButton(
                    onPressed: () => Get.back(),
                    child: const Text('取消', style: TextStyle(color: Colors.grey)),
                  ),
                  CupertinoButton(
                    onPressed: () {
                      if (isStart) {
                        customStartTime = tempDate;
                        if (customEndTime != null &&
                            customEndTime!.isBefore(customStartTime!)) {
                          customEndTime = customStartTime!.add(const Duration(days: 1));
                        }
                      } else {
                        if (tempDate.isBefore(customStartTime ?? DateTime.now())) {
                          showToast('结束时间不能早于开始时间');
                          return;
                        }
                        customEndTime = tempDate;
                      }
                      updateUi();
                      Get.back();
                    },
                    child: const Text(
                      '确定',
                      style: TextStyle(
                        color: AppTheme.themeColor,
                        fontWeight: FontWeight.bold,
                      ),
                    ),
                  ),
                ],
              ),
            ),
            const Divider(height: 1),
            Expanded(
              child: CupertinoDatePicker(
                mode: CupertinoDatePickerMode.dateAndTime,
                initialDateTime: initialDate,
                minimumDate: minLimit,
                use24hFormat: true,
                onDateTimeChanged: (DateTime newDate) {
                  tempDate = newDate;
                },
              ),
            ),
          ],
        ),
      ),
      backgroundColor: Colors.transparent,
    );
  }

  void saveInfo() async {
    if (selectedOperationStatus != "营运中") {
      if (customStartTime == null || customEndTime == null) {
        showToast("请选择开始和结束时间");
        return;
      }
    }

    showLoading("保存中");
    try {
      var responseData = await HttpService.to.post(
        'appointment/station/updateStationStatus',
        data: {
          'hydrogenId': hydrogenId,
          'siteStatus': selectedOperationStatus == "营运中"
              ? "0"
              : selectedOperationStatus == "维修中"
              ? "1"
              : selectedOperationStatus == "站点关闭"
              ? "2"
              : selectedOperationStatus == "暂停营业"
              ? "3"
              : 0,
          'beginTime': selectedOperationStatus == "营运中"
              ? null
              : DateFormat('yyyy-MM-dd HH:mm:ss').format(customStartTime!),
          'endTime': selectedOperationStatus == "营运中"
              ? null
              : DateFormat('yyyy-MM-dd HH:mm:ss').format(customEndTime!),
          'updateTime': getNowDateTimeString(),
        },
      );

      if (responseData == null || responseData!.data == null) {
        dismissLoading();
        showToast('服务暂不可用，请稍后');
        return;
      }
      var result = BaseModel.fromJson(responseData.data);
      if (result.code == 0) {
        showSuccessToast("保存成功");
      }
      dismissLoading();
    } catch (e) {
      dismissLoading();
    }
  }

  /// 发送站点广播
  void sendBroadcast() async {
    String title = broadcastTitleController.text.trim();
    String content = broadcastContentController.text.trim();

    if (title.isEmpty) {
      showToast("请输入通知标题");
      return;
    }
    if (content.isEmpty) {
      showToast("请输入通知内容");
      return;
    }

    showLoading("发送中...");
    try {
      var responseData = await HttpService.to.post(
        'appointment/notice/push/station/broadcast',
        data: {
          'title': title,
          'content': content,
        },
      );

      dismissLoading();
      if (responseData != null) {
        var result = BaseModel.fromJson(responseData.data);
        if (result.code == 0) {
          showSuccessToast("广播发送成功");
        } else {
          showErrorToast(result.error);
        }
      }
    } catch (e) {
      dismissLoading();
      showToast("发送失败，请稍后重试");
    }
  }

  void logout() async {
    await StorageService.to.clearLoginInfo();
    Get.offAll(() => LoginPage());
  }

  @override
  void onClose() {
    broadcastTitleController.dispose();
    broadcastContentController.dispose();
    super.onClose();
  }
}