import React, {Component} from 'react';
import {
  View,
  Image,
  Text,
  Dimensions,
  FlatList,
  RefreshControl,
  ActivityIndicator,
  DeviceEventEmitter,
  SafeAreaView,
} from 'react-native';
import {List, SearchBar, SwipeAction} from '@ant-design/react-native';
import ActionButton from 'react-native-action-button';
import Icon from 'react-native-vector-icons/Ionicons';

import {RetrieveData} from '../../../data/storage';
import {RequestNetwork} from '../../../data/encryption';

import customer_css from './customer_css';
import public_css from '../../../source/css/public_css';
import { ToastShow } from "../../../components/toast/toast";

let pageNo = 1; //当前第几页
let totalPage = 5; //总的页数
export default class customer_list extends Component {
  constructor(props) {
    super(props);
    this.props.navigation.dangerouslyGetParent().setOptions({
      tabBarVisible: false,
    });
    this.state = {
      listData: [],
      search_data: '',
      showFoot: 0, // 控制foot， 0：隐藏footer  1：已加载完成,没有更多数据   2 ：显示加载中
      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.search_data}
            // onSubmit={value => Alert.alert(value)}
            onCancel={() => this.searchClear()}
            onChange={(value) => this.searchData(value)}
            showCancelButton={false}
            style={{borderRadius: 15}}
          />
        </View>
        <View style={customer_css.container}>
          <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={this._renderFooter.bind(this)}
            onEndReached={this._onEndReached.bind(this)}
            onEndReachedThreshold={0.1}
          />
        </View>
        <ActionButton
          buttonColor="rgba(50,100,235,1)"
          onPress={() => {
            this.props.navigation.navigate('customer_add_or_edit', {
              companyId: null,
              refresh: () => {
                this.refresh();
              },
            });
          }}
          renderIcon={() => (
            <Icon name="md-add-outline" style={customer_css.actionButtonIcon} />
          )}
        />
      </SafeAreaView>
    );
  }
  //搜索数据
  searchData = (value) => {
    this.setState({
      search_data: value,
    });
    this.timer = setTimeout(() => {
      this.initData();
    }, 1000);
  };

  //清空搜索
  searchClear = () => {
    this.setState({
      search_data: '',
    });
    this.initData();
  };

  //数据初始化
  initData = async () => {
    this.setState({
      listData: [],
      isLoading: false,
      showFoot: 0,
    });
    pageNo = 1;
    await this.getCustomerData();
  };

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

  //显示list尾部
  _renderFooter() {
    if (this.state.showFoot === 1) {
      return (
        <View
          style={{
            height: 30,
            alignItems: 'center',
            justifyContent: 'flex-start',
          }}>
          <Text
            style={{
              color: '#999999',
              fontSize: 14,
              marginTop: 5,
              marginBottom: 5,
            }}>
            没有更多数据了
          </Text>
        </View>
      );
    } else if (this.state.showFoot === 2) {
      return (
        <View style={customer_css.footer}>
          <ActivityIndicator />
          <Text>正在加载更多数据...</Text>
        </View>
      );
    } else if (this.state.showFoot === 0) {
      return (
        <View style={customer_css.footer}>
          <Text />
        </View>
      );
    }
  }

  //显示页面加载
  componentDidMount(): void {
    this.getCustomerData();
    //收到监听
    // this.listener = DeviceEventEmitter.addListener('刷新列表', (message) => {
    //   //收到监听后想做的事情
    //   this.initData();
    // });
  }

  // 刷新列表
  refresh = () => {
    this.initData();
  };

  //关闭页面加载
  componentWillUnmount(): void {
    pageNo = 1;
    this.timer && clearTimeout(this.timer);
    //移除监听
    if (this.listener) {
      this.listener.remove();
    }
  }

  //获取客户数据
  getCustomerData = async () => {
    let account = await RetrieveData('account');
    let token = await RetrieveData('token');
    let company = JSON.parse(await RetrieveData('company'));
    if (token && account) {
      const url = '/sys/customer/findPage';
      let res = await RequestNetwork(
        url,
        token,
        {
          mobile: account,
          entTaxId: company.entTaxId,
          reqChannel: 3,
          pageNum: pageNo,
          pageSize: 10,
          customerName: this.state.search_data,
        },
        false,
        2,
      );
      if (res) {
        if (res.code === 0) {
          totalPage = res.data.pages;
          this.setList(res.data.records);
        }
      }
    }
  };

  //设置客户数据列表
  setList = (data) => {
    console.log(data);
    let listDatas = data.map((_, i) => ({
      key: data[i].customerId,
      customerName: data[i].customerName,
      entTaxId: data[i].entTaxId,
      customerMobile: data[i].customerMobile,
      manageUserId: data[i].manageUserId,
      customerType: data[i].customerType,
      email: data[i].email,
    }));
    let list = this.state.listData.concat(listDatas);
    this.setState({
      listData: list,
      showFoot: 0,
    });
  };

  //加载客户列表数据
  renderItem = (data) => (
    <SwipeAction
      autoClose
      style={{backgroundColor: 'transparent'}}>
      <List.Item
        style={{backgroundColor: '#F7F7F7'}}
        onPress={() => {
          this.props.navigation.navigate('customer_add_or_edit', {
            companyId: data.item.key,
            refresh: () => {
              this.refresh();
            },
          });
        }}>
        <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>
  );
}