import React, {Component} from 'react';
import {
  View,
  Text,
  FlatList,
  RefreshControl,
  Alert,
  SafeAreaView,
  Image,
  StyleSheet,
  Dimensions,
  PixelRatio,
} from 'react-native';
import {List, SearchBar, SwipeAction} from '@ant-design/react-native';

import {RetrieveData} from '../../data/storage';
import {RequestNetwork} from '../../data/encryption';
import public_css from '../../source/css/public_css';
import {Footer} from '../../components/listPage/pagination';
import {CleanAll} from '../../components/abnormalMessage/abnormal_message';
import {ToastShow} from '../../components/toast/toast';

let pageNo = 1; //当前页码
let totalPage = 5; //总的页数
let pageSize = 10; //每页数量
export default class invoice_select_customer extends Component {
  constructor(props) {
    super(props);
    this.state = {
      listData: [],
      customerName: '',
      showFoot: 0, // 控制foot， 0：无数据  1：加载中   2 ：上拉加载
      isLoading: false,
    };
  }

  render() {
    return (
      <SafeAreaView style={public_css.body}>
        <View
          style={{
            // width: Dimensions.get('window').width,
            alignItems: 'center',
            justifyContent: 'center',
            backgroundColor: '#ffffff',
            height: 50,
          }}>
          <SearchBar
            placeholder="搜索"
            value={this.state.customerName}
            onCancel={() => this.searchClear()}
            onChange={(value) => this.searchData(value)}
            showCancelButton={false}
            style={{borderRadius: 15}}
          />
        </View>
        <FlatList
          data={this.state.listData}
          renderItem={(item) => this.renderItem(item)}
          refreshControl={
            <RefreshControl
              title={'加载中...'}
              colors={['#B7B7B7']} //此颜色无效
              tintColor={'#B7B7B7'}
              titleColor={'#B7B7B7'} //只有ios有效
              refreshing={this.state.isLoading}
              onRefresh={() => {
                this.initData();
              }}
            />
          }
          // ListFooterComponent={() => Footer(this.state.showFoot)}
          // onEndReached={this._onEndReached.bind(this)}
          // onEndReachedThreshold={0.1}
        />
      </SafeAreaView>
    );
  }

  //页面渲染完成后加载
  async componentDidMount(): void {
    pageNo = 1;
    this.setState({
      listData: [],
      customerName: '',
      showFoot: 1,
    });
    await this.getCustomerData();
  }

  //搜索
  searchData = async (text) => {
    pageNo = 1;
    this.setState({
      listData: [],
      customerName: text,
      showFoot: 0,
    });
    await this.getCustomerData();
  };

  //初始化数据
  initData = async () => {
    pageNo = 1;
    this.setState({
      listData: [],
      customerName: '',
      showFoot: 1,
      isLoading: true,
    });
    await this.getCustomerData();
  };

  //清空搜索栏
  searchClear = async () => {
    await this.initData();
  };

  //获得客户信息
  getCustomerData = async () => {
    let token = await RetrieveData('token');
    let company = JSON.parse(await RetrieveData('company'));
    if (token) {
      const url = '/sys/customer/customerSearch';
      let res = await RequestNetwork(
        url,
        token,
        {
          customerName: this.state.customerName,
          entTaxId: company.entTaxId,
          reqChannel: 3,
        },
        false,
        2,
      );
      if (res) {
        console.log(res);
        if (res.code === 0) {
          totalPage = res.data.pages;
          this.setList(res.data);
        } else {
          this.setState({
            showFoot: 0,
          });
          await this.abnormalMessage(res);
        }
      }
    }
  };

  //设置客户信息列表
  setList = (data) => {
    let listDatas = data.map((_, i) => ({
      key: data[i].customerId,
      customerName: data[i].customerName,
      entTaxId: data[i].customerEntTaxId,
      contactPhone: data[i].contactPhone,
      address: data[i].address,
      bankName: data[i].bankName,
      bankAccount: data[i].bankAccountNumber,
      customerMobile: data[i].customerMobile,
      email: data[i].email,
    }));
    let list = this.state.listData.concat(listDatas);
    if (list.length > 0) {
      this.setState({
        showFoot: 2,
        isLoading: false,
        listData: list,
      });
    } else {
      this.setState({
        showFoot: 0,
        isLoading: false,
        listData: list,
      });
    }
  };

  //加载列表数据
  renderItem = (data) => (
    <SwipeAction autoClose style={{backgroundColor: 'transparent'}}>
      <List.Item
        style={{backgroundColor: '#F7F7F7'}}
        onPress={() => {
          this.props.route.params.selectCustomer(data.item);
          this.props.navigation.goBack();
        }}>
        <View style={{backgroundColor: '#ffffff'}}>
          <View
            style={{
              flexDirection: 'row',
              alignItems: 'center',
              margin: 5,
              borderBottomWidth: 1,
              borderBottomColor: '#E5E5E5',
              height: 50,
            }}>
            <View
              style={{
                borderWidth: 2,
                borderColor: '#2A67FE',
                height: 18,
                borderRadius: 3,
              }}
            />
            <View style={{marginLeft: 5, marginRight: 5, flex: 1}}>
              <Text
                style={{
                  fontSize: 18,
                  color: '#4B4B4B',
                  fontWeight: 'bold',
                }}
                numberOfLines={1}
                ellipsizeMode={'tail'}>
                {data.item.customerName}
              </Text>
            </View>
            {data.item.customerType === 1 ? (
              <View
                style={{
                  borderWidth: 1,
                  borderColor: '#2A67FE',
                  borderRadius: 6,
                  width: 40,
                  height: 20,
                }}>
                <Text
                  style={{color: '#2A67FE', fontSize: 13, textAlign: 'center'}}>
                  个人
                </Text>
              </View>
            ) : (
              <View
                style={{
                  borderWidth: 1,
                  borderColor: '#2A67FE',
                  borderRadius: 6,
                  width: 40,
                  height: 20,
                }}>
                <Text
                  style={{color: '#2A67FE', fontSize: 13, textAlign: 'center'}}>
                  企业
                </Text>
              </View>
            )}
          </View>
          <View style={{margin: 10}}>
            <Text style={{color: '#808080', fontSize: 15}}>
              企业税号：{data.item.entTaxId}
            </Text>
          </View>
          <View
            style={{
              flexDirection: 'row',
              height: 32,
              backgroundColor: '#F5F7FC',
              marginLeft: 10,
              marginRight: 10,
            }}>
            <View
              style={{
                flexDirection: 'row',
                alignItems: 'center',
                flex: 1,
                marginLeft: 5,
              }}>
              {data.item.customerMobile === '' ? (
                <Text
                  style={{
                    fontSize: 14,
                    color: '#808080',
                  }}>
                  联系电话：暂未填写
                </Text>
              ) : (
                <Text
                  style={{
                    fontSize: 14,
                    color: '#808080',
                  }}>
                  联系电话：
                  {data.item.customerMobile}
                </Text>
              )}
            </View>
            <View
              style={{
                flexDirection: 'row',
                alignItems: 'center',
                margin: 5,
                flex: 1,
              }}>
              {data.item.email === '' ? (
                <Text
                  style={{
                    fontSize: 14,
                    color: '#808080',
                  }}>
                  邮箱：暂未填写
                </Text>
              ) : (
                <Text
                  style={{
                    fontSize: 14,
                    color: '#808080',
                  }}
                  numberOfLines={1}
                  ellipsizeMode={'tail'}>
                  邮箱：
                  {data.item.email}
                </Text>
              )}
            </View>
          </View>
          <View style={{height: 10}} />
        </View>
      </List.Item>
    </SwipeAction>
  );

  //列表上拉加载
  _onEndReached = async () => {
    if (this.state.showFoot === 2) {
      if (pageNo >= totalPage) {
        this.setState({showFoot: 0});
        return;
      } else {
        pageNo++;
        this.setState({showFoot: 1});
        await this.getCustomerData();
      }
    }
  };

  // 处理网络请求数据
  abnormalMessage = async (jason) => {
    if (jason.code === 401) {
      await Alert.alert(
        '登录失效',
        '登录状态已失效，请重新登录！',
        [
          {
            text: '确定',
            onPress: () => {
              CleanAll();
              this.props.navigation.popToTop();
            },
          },
        ],
        {cancelable: false},
      );
    }
    if (jason.code === 403) {
      Alert.alert(
        '权限',
        '暂无权限操作此模块！',
        [
          {
            text: '确定',
            onPress: () => {
              this.props.navigation.goBack();
            },
          },
        ],
        {cancelable: false},
      );
    }
    if (jason.code !== 401 && jason.code !== 403) {
      ToastShow(1, jason.msg);
    }
  };
}

const styles = StyleSheet.create({
  buttonView: {
    alignItems: 'center',
    backgroundColor: '#ffffff',
  },
  //通用按钮样式
  button: {
    marginTop: 5,
    width: Dimensions.get('window').width * 0.8,
    height: 34,
    borderRadius: 10,
    backgroundColor: '#1874CD',
    justifyContent: 'center',
    alignItems: 'center',
  },
  //通用按钮样式
  buttonText: {
    // fontSize: 22,
    textAlign: 'center',
    color: 'white',
  },

  inputView: {
    // flex: 1,
    padding: 5,
    backgroundColor: '#fff',
    alignItems: 'center',
    justifyContent: 'center',
    display: 'flex',
  },

  view: {
    flexDirection: 'row',
    height: 34,
    width: Dimensions.get('window').width * 0.8,
  },
  //通用textInput样式
  text: {
    lineHeight: 34,
    fontSize: 14,
  },
  //通用textInput样式
  lineTopBottom: {
    borderBottomWidth: 3 / PixelRatio.get(),
    borderColor: 'rgb(208,208,208)',
    justifyContent: 'center',
    alignItems: 'center',
  },

  textInputStyle: {
    flex: 5,
    marginRight: 10,
    marginLeft: 20,
    fontSize: 14,
    marginTop: 4,
  },

  footer: {
    flexDirection: 'row',
    height: 24,
    justifyContent: 'center',
    alignItems: 'center',
    marginBottom: 10,
  },
});