import * as React from 'react';
import { useState, useEffect, useCallback, useContext } from 'react';
import { connect } from "react-redux";
import { SafeAreaView, ScrollView, Linking,  Button, View, Text, TouchableOpacity, RefreshControl, Platform } from 'react-native';
import {useNetInfo} from "@react-native-community/netinfo";
// import NetInfo from "@react-native-community/netinfo";
import NetInfo from "../../../components/netstatus";
import CustomHeader from '../../../components/header.js';
import Assets from '../../../components/assets.manager.js';
import Theme from '../../../components/theme.style.js';
import Icon from '../../../components/icons.js';
import Elements from '../../../components/elements.js';
import REQUEST from '../../../components/api/';
import DB from '../../../components/storage/';
import CustomSafeArea from '../../../components/safeArea.component';

class MyTransactions extends React.Component {

  constructor(props) {
    super(props)
    this.navigate = props.navigation.navigation.navigate
  }

  state = {
    connected: false,
    loading: false,
    transactions: []
  }

  componentDidMount() {
    this.initTransactions()
  }

  componentWillUnmount() {

  }

  initTransactions = async () => {
    NetInfo.netstatus(isConnected => {
      if(isConnected){
        this.init()
      } else {
        Elements.nointernet2(this.props)
      }
    })
  }

  init = async () => {
    const SESSION = await DB.session()
    this.setState({ connected: true, loading: true })
    await REQUEST("transactions", "get", {
        Authorization: SESSION.token,
        card_number: SESSION.user.card_number 
      }, {}, {}, (data) => {
        this.setState({ transactions: data.data, loading: false })
      }, (error) => {  
        this.setState({ loading: false })
      }
    )
  }

  renderTransactions = () => {
    return this.state.transactions.map((data, index) => {
      return (
        <View style={{marginBottom: index === this.state.transactions.length - 1 ? 20 : 0}}>
          <Elements.shadowView>
            <Elements.transaction 
                data={data} 
                textColor={this.props.app_theme?.theme.colors.text}
                isDarkMode={this.props.app_theme?.theme.dark}
                cardBackgroundColor={this.props.app_theme?.theme.colors.border}
                onPress={() => this.navigate("TransactionDetails", {data: data, onBackPress: () => this.init()})} 
                key={index} />
          </Elements.shadowView>
        </View>
      )
    });
  }

  render() {
    if(!this.state.connected){
      return (
        <View style={{flex: 1}}>
          <Elements.nointernet 
            message="No internet found. Please check your internet connection." 
            buttonText="Try Again" 
            onPress={() => this.init()}
          />
        </View>
      )
    }

    return (
      <CustomSafeArea>
        <ScrollView
          style={{ backgroundColor: this.props.app_theme?.theme.dark ? this.props.app_theme?.theme.colors.background : Theme.colors.white }}
          showsHorizontalScrollIndicator={false}
          contentContainerStyle={{ flexGrow: 1 }}
          refreshControl={
            <RefreshControl refreshing={this.state.loading} onRefresh={() => this.init()} />
          }>
          {this.state.transactions.length == 0 ? 
            <View style={{flex: 10, justifyContent: 'center', alignItems: 'center'}}>
              <Text style={{width: '70%', textAlign: 'center', color: this.props.app_theme?.theme.colors.text}}>There's nothing here.</Text>
              <Text style={{width: '70%', textAlign: 'center', color: this.props.app_theme?.theme.colors.text}}>You have made no transactions yet.</Text>
            </View>
            : 
            <View>
              <View style={{paddingVertical: 15, alignItems: 'center'}}>
                <Text style={{fontSize: 13 ,padding: 15, width: '100%', textAlign: 'center', color: this.props.app_theme?.theme.colors.text}}>
                  Only your last 5 transactions can be viewed. For your complete transaction history please go to&nbsp;
                  <Text style={{color: Theme.colors.primary, textDecorationLine: 'underline'}} onPress={() => {
                      let url = 'https://unioil.com/loyalty'
                      Linking.canOpenURL(url).then(supported => {
                        if (!supported) {
                          console.log('Cant handle url')
                          alert("URL Not Supported")
                        } else {
                          return Linking.openURL(url)
                        }
                      }).catch(err => {
                        console.error('An error occurred', err)
                      })
                    }}>
                      unioil.com/loyalty
                  </Text>
                </Text>
              </View>
              <View>{this.renderTransactions()}</View>
            </View>
            }
          <View style={{flex: 1, height: 30}}></View>
        </ScrollView>
      </CustomSafeArea>
    );
  }
}

const mapStateToProps = (state) => {
  return {
    app_theme: state.appThemeReducer.theme
  }
}

export default connect(mapStateToProps, null)(MyTransactions)