import {useEffect, useState, useRef} from "react";
import {Loading, CellGroup, Cell, Input, Form, Calendar} from '@nutui/nutui-react-taro'
import {Edit, Calendar as CalendarIcon} from '@nutui/icons-react-taro'
import Taro from '@tarojs/taro'
import {useRouter} from '@tarojs/taro'
import {View, Text} from '@tarojs/components'
import FixedButton from "@/components/FixedButton";
import {useUser} from "@/hooks/useUser";
import {ShopDealerApply} from "@/api/shop/shopDealerApply/model";
import {
  addShopDealerApply, getShopDealerApply, pageShopDealerApply,
  updateShopDealerApply
} from "@/api/shop/shopDealerApply";
import {
  formatDateForDatabase,
  extractDateForCalendar, formatDateForDisplay
} from "@/utils/dateUtils";

const AddShopDealerApply = () => {
  const {user} = useUser()
  const {params} = useRouter();
  const [loading, setLoading] = useState<boolean>(true)
  const [FormData, setFormData] = useState<ShopDealerApply>()
  const formRef = useRef<any>(null)
  const [isEditMode, setIsEditMode] = useState<boolean>(false)
  const [existingApply, setExistingApply] = useState<ShopDealerApply | null>(null)

  // 日期选择器状态
  const [showApplyTimePicker, setShowApplyTimePicker] = useState<boolean>(false)
  const [showContractTimePicker, setShowContractTimePicker] = useState<boolean>(false)
  const [applyTime, setApplyTime] = useState<string>('')
  const [contractTime, setContractTime] = useState<string>('')

  // 获取审核状态文字
  const getApplyStatusText = (status?: number) => {
    switch (status) {
      case 10:
        return '待审核'
      case 20:
        return '已签约'
      case 30:
        return '已取消'
      default:
        return '未知状态'
    }
  }

  console.log(getApplyStatusText)

  // 处理签约时间选择
  const handleApplyTimeConfirm = (param: string) => {
    const selectedDate = param[3] // 选中的日期字符串 (YYYY-M-D)
    const formattedDate = formatDateForDatabase(selectedDate) // 转换为数据库格式
    setApplyTime(selectedDate) // 保存原始格式用于显示
    setShowApplyTimePicker(false)

    // 更新表单数据（使用数据库格式）
    if (formRef.current) {
      formRef.current.setFieldsValue({
        applyTime: formattedDate
      })
    }
  }

  // 处理合同日期选择
  const handleContractTimeConfirm = (param: string) => {
    const selectedDate = param[3] // 选中的日期字符串 (YYYY-M-D)
    const formattedDate = formatDateForDatabase(selectedDate) // 转换为数据库格式
    setContractTime(selectedDate) // 保存原始格式用于显示
    setShowContractTimePicker(false)

    // 更新表单数据（使用数据库格式）
    if (formRef.current) {
      formRef.current.setFieldsValue({
        contractTime: formattedDate
      })
    }
  }

  const reload = async () => {
    if (!params.id) {
      return false;
    }
    // 查询当前用户ID是否已有申请记录
    try {
      const dealerApply = await getShopDealerApply(Number(params.id));
      if (dealerApply) {
        setFormData(dealerApply)
        setIsEditMode(true);
        setExistingApply(dealerApply)

        // 初始化日期数据（从数据库格式转换为Calendar组件格式）
        if (dealerApply.applyTime) {
          setApplyTime(extractDateForCalendar(dealerApply.applyTime))
        }
        if (dealerApply.contractTime) {
          setContractTime(extractDateForCalendar(dealerApply.contractTime))
        }

        Taro.setNavigationBarTitle({title: '签约'})
      }
    } catch (error) {
      setLoading(true)
      console.error('查询申请记录失败:', error);
      setIsEditMode(false);
      setExistingApply(null);
    }
  }

  // 提交表单
  // 计算保护期过期时间（7天后）
  const calculateExpirationTime = (): string => {
    const now = new Date();
    const expirationDate = new Date(now);
    expirationDate.setDate(now.getDate() + 7); // 7天后

    // 格式化为数据库需要的格式：YYYY-MM-DD HH:mm:ss
    const year = expirationDate.getFullYear();
    const month = String(expirationDate.getMonth() + 1).padStart(2, '0');
    const day = String(expirationDate.getDate()).padStart(2, '0');
    const hours = String(expirationDate.getHours()).padStart(2, '0');
    const minutes = String(expirationDate.getMinutes()).padStart(2, '0');
    const seconds = String(expirationDate.getSeconds()).padStart(2, '0');

    return `${year}-${month}-${day} ${hours}:${minutes}:${seconds}`;
  };

  const submitSucceed = async (values: any) => {
    try {
      // 验证必填字段
      if (!values.mobile || values.mobile.trim() === '') {
        Taro.showToast({
          title: '请填写联系方式',
          icon: 'error'
        });
        return;
      }

      // 验证手机号格式
      const phoneRegex = /^1[3-9]\d{9}$/;
      if (!phoneRegex.test(values.mobile)) {
        Taro.showToast({
          title: '请填写正确的手机号',
          icon: 'error'
        });
        return;
      }

      // 检查客户是否已存在
      const res = await pageShopDealerApply({dealerName: values.dealerName, type: 4, applyStatus: 10});

      if (res && res.count > 0) {
        const existingCustomer = res.list[0];

        // 检查是否在7天保护期内
        if (!isEditMode && existingCustomer.applyTime) {
          // 将申请时间字符串转换为时间戳进行比较
          const applyTimeStamp = new Date(existingCustomer.applyTime).getTime();
          const currentTimeStamp = new Date().getTime();
          const sevenDaysInMs = 7 * 24 * 60 * 60 * 1000; // 7天的毫秒数

          // 如果在7天保护期内，不允许重复添加
          if (currentTimeStamp - applyTimeStamp < sevenDaysInMs) {
            const remainingDays = Math.ceil((sevenDaysInMs - (currentTimeStamp - applyTimeStamp)) / (24 * 60 * 60 * 1000));

            Taro.showToast({
              title: `该客户还在保护期，还需等待${remainingDays}天后才能重新添加`,
              icon: 'none',
              duration: 3000
            });
            return false;
          } else {
            // 超过7天保护期，可以重新添加，显示确认对话框
            const modalResult = await new Promise<boolean>((resolve) => {
              Taro.showModal({
                title: '提示',
                content: '该客户已超过7天保护期，是否重新添加跟进？',
                showCancel: true,
                cancelText: '取消',
                confirmText: '确定',
                success: (modalRes) => {
                  resolve(modalRes.confirm);
                },
                fail: () => {
                  resolve(false);
                }
              });
            });

            if (!modalResult) {
              return false; // 用户取消，不继续执行
            }
            // 用户确认后继续执行添加逻辑
          }
        }
      }


      // 计算过期时间
      const expirationTime = isEditMode ? existingApply?.expirationTime : calculateExpirationTime();

      // 准备提交的数据
      const submitData = {
        ...values,
        type: 4,
        realName: values.realName || user?.nickname,
        mobile: values.mobile,
        refereeId: 33534,
        applyStatus: isEditMode ? 20 : 10,
        auditTime: undefined,
        // 设置保护期过期时间（7天后）
        expirationTime: expirationTime,
        // 确保日期数据正确提交（使用数据库格式）
        applyTime: values.applyTime || (applyTime ? formatDateForDatabase(applyTime) : ''),
        contractTime: values.contractTime || (contractTime ? formatDateForDatabase(contractTime) : '')
      };

      // 调试信息
      console.log('=== 提交数据调试 ===');
      console.log('是否编辑模式:', isEditMode);
      console.log('计算的过期时间:', expirationTime);
      console.log('提交的数据:', submitData);
      console.log('==================');

      // 如果是编辑模式，添加现有申请的id
      if (isEditMode && existingApply?.applyId) {
        submitData.applyId = existingApply.applyId;
      }

      // 执行新增或更新操作
      if (isEditMode) {
        await updateShopDealerApply(submitData);
      } else {
        await addShopDealerApply(submitData);
      }

      Taro.showToast({
        title: `${isEditMode ? '更新' : '提交'}成功`,
        icon: 'success'
      });

      setTimeout(() => {
        Taro.navigateBack();
      }, 1000);

    } catch (error) {
      console.error('提交失败:', error);
      Taro.showToast({
        title: '提交失败，请重试',
        icon: 'error'
      });
    }
  }

  // 处理固定按钮点击事件
  const handleFixedButtonClick = () => {
    // 触发表单提交
    formRef.current?.submit();
  };

  const submitFailed = (error: any) => {
    console.log(error, 'err...')
  }

  useEffect(() => {
    reload().then(() => {
      setLoading(false)
    })
  }, []); // 依赖用户ID，当用户变化时重新加载

  if (loading) {
    return <Loading className={'px-2'}>加载中</Loading>
  }

  return (
    <>
      <Form
        ref={formRef}
        divider
        initialValues={FormData}
        labelPosition="left"
        onFinish={(values) => submitSucceed(values)}
        onFinishFailed={(errors) => submitFailed(errors)}
      >
        <View className={'bg-gray-100 h-3'}></View>
        <CellGroup style={{padding: '4px 0'}}>
          <Form.Item name="dealerName" label="公司名称" initialValue={FormData?.dealerName} required>
            <Input placeholder="公司名称" maxLength={10} disabled={isEditMode}/>
          </Form.Item>
          <Form.Item name="realName" label="联系人" initialValue={FormData?.realName} required>
            <Input placeholder="请输入联系人" disabled={isEditMode}/>
          </Form.Item>
          <Form.Item name="mobile" label="联系方式" initialValue={FormData?.mobile} required>
            <Input placeholder="请输入手机号" disabled={isEditMode} maxLength={11}/>
          </Form.Item>
          <Form.Item name="address" label="公司地址" initialValue={FormData?.address} required>
            <Input placeholder="请输入详细地址" disabled={isEditMode}/>
          </Form.Item>
          <Form.Item name="dealerCode" label="户号" initialValue={FormData?.dealerCode} required>
            <Input placeholder="请填写户号" disabled={isEditMode}/>
          </Form.Item>
          <Form.Item name="comments" label="跟进情况" initialValue={FormData?.comments}>
            <Input placeholder="请填写跟进情况" disabled={isEditMode}/>
          </Form.Item>
          {isEditMode && (
            <>
              <Form.Item name="money" label="签约价格" initialValue={FormData?.money} required>
                <Input placeholder="(元/兆瓦时)" disabled={false}/>
              </Form.Item>
              <Form.Item name="applyTime" label="签约时间" initialValue={FormData?.applyTime}>
                <View
                  className="flex items-center justify-between py-2"
                  onClick={() => setShowApplyTimePicker(true)}
                >
                  <View className="flex items-center">
                    <CalendarIcon size={16} color="#999" className="mr-2"/>
                    <Text style={{color: applyTime ? '#333' : '#999'}}>
                      {applyTime ? formatDateForDisplay(applyTime) : '请选择签约时间'}
                    </Text>
                  </View>
                </View>
              </Form.Item>
              <Form.Item name="contractTime" label="合同日期" initialValue={FormData?.contractTime}>
                <View
                  className="flex items-center justify-between py-2"
                  onClick={() => setShowContractTimePicker(true)}
                >
                  <View className="flex items-center">
                    <CalendarIcon size={16} color="#999" className="mr-2"/>
                    <Text style={{color: contractTime ? '#333' : '#999'}}>
                      {contractTime ? formatDateForDisplay(contractTime) : '请选择合同生效起止时间'}
                    </Text>
                  </View>
                </View>
              </Form.Item>
              {/*<Form.Item name="refereeId" label="邀请人ID" initialValue={FormData?.refereeId} required>*/}
              {/*  <Input placeholder="邀请人ID"/>*/}
              {/*</Form.Item>*/}
            </>
          )}
          <Form.Item name="userId" label="报备人" initialValue={FormData?.userId} required>
选择
          </Form.Item>
        </CellGroup>
      </Form>

      {/* 签约时间选择器 */}
      <Calendar
        visible={showApplyTimePicker}
        defaultValue={applyTime}
        onClose={() => setShowApplyTimePicker(false)}
        onConfirm={handleApplyTimeConfirm}
      />

      {/* 合同日期选择器 */}
      <Calendar
        visible={showContractTimePicker}
        defaultValue={contractTime}
        onClose={() => setShowContractTimePicker(false)}
        onConfirm={handleContractTimeConfirm}
      />

      {/* 审核状态显示（仅在编辑模式下显示） */}
      {isEditMode && (
        <CellGroup>
          {/*<Cell*/}
          {/*  title={'审核状态'}*/}
          {/*  extra={*/}
          {/*    <span style={{*/}
          {/*      color: FormData?.applyStatus === 20 ? '#52c41a' :*/}
          {/*        FormData?.applyStatus === 30 ? '#ff4d4f' : '#faad14'*/}
          {/*    }}>*/}
          {/*      {getApplyStatusText(FormData?.applyStatus)}*/}
          {/*    </span>*/}
          {/*  }*/}
          {/*/>*/}
          {FormData?.applyStatus === 20 && (
            <Cell title={'签约时间'} extra={FormData?.auditTime || '无'}/>
          )}
          {FormData?.applyStatus === 30 && (
            <Cell title={'驳回原因'} extra={FormData?.rejectReason || '无'}/>
          )}
        </CellGroup>
      )}


      {/* 底部浮动按钮 */}
      {(!isEditMode || FormData?.applyStatus === 10) && (
        <FixedButton
          icon={<Edit/>}
          text={'立即提交'}
          onClick={handleFixedButtonClick}
        />
      )}

    </>
  );
};

export default AddShopDealerApply;
