import * as React from 'react';
import { SafeAreaView, TouchableOpacity, View, Text, KeyboardAvoidingView, Alert } from 'react-native';
import { connect } from "react-redux";
import NetInfo from "../../components/netstatus";
import CustomHeader from '../../components/header.js';
import Elements from '../../components/elements.js';
import Theme from '../../components/theme.style.js';
import DB from '../../components/storage/';
import REQUEST from '../../components/api/';
import CustomOTPInput from '../../components/otpinput';
import CustomSafeArea from '../../components/safeArea.component';


class Otp extends React.PureComponent {

  constructor(props) {
    super(props)
  }

  state = {
    loading: false,
    infodialog: false,
    errordialog: false,
    otp: "",
    resend: false,
    retries: 0,
    valid: false,
    session: null,
    data: {}
  }

  componentDidMount() {
    this.init()
    this.activateResend()
  }

  componentWillUnmount() {

  }

  init = async () => {
    this.setState({ data: this.props.route.params, session: await DB.get("session") })
  }

  activateResend = () => {
    setTimeout(() => {
      this.setState({ resend: true })
    }, 15000)
  }

  onErrorWarning = (success) => {
    if(Platform.OS == 'ios'){
      if(success.data.code == 1) {
        setTimeout(() => {
          Alert.alert(
            'Error',
            '\n'+success.message,
            [
              {
                text: 'Ok',
                onPress: async () => {
                  this.props.navigation.navigate('Mpin');
                },
              },
            ],
            {cancelable: true},
          );
          this.setState({ resend: true })
        }, 700)
      } else {
        setTimeout(() => {
          Alert.alert("Error", success.message)
        }, 700)
        this.setState({ resend: true })
      }
    } else {
      setTimeout(() => {
        Alert.alert("Error", success.message)
      }, 700)
    } 
  }

  onSaveSession = async (success) => {
    let sessiondata = {
      card_number: this.state.data.cardnumber,
      lcard_uuid: this.state.data.lcard_uuid,
      mobile_number: Theme.formatter.PMBL(this.state.data.mobile_number)
    }
    console.log(this.state.data.mobile_number, Theme.formatter.PMBL(this.state.data.mobile_number))
    await DB.settoken({token: success.data.token, card_number: sessiondata.card_number}, () => {
      DB.setsession(sessiondata, (res) => {
        this.props.navigation.navigate("SecurityQuestion", sessiondata)
      }, function(error){})
    }, function(e){})
  }

  onSubmit = () => {
    NetInfo.netstatus(isConnected => {
      if(isConnected){
        this.validateOTP(success => {
            console.log(success)
            if(success.status == 1 && success.data.token){
                this.setState({ loading: false })
                this.onSaveSession(success)
            }else{
                this.setState({ loading: false })
                this.onErrorWarning(success)   
            }
        }, error => {
          this.setState({ loading: false, resend: true })
        })
      }else{
        Elements.nointernet2()
      }
    })
  }

  onRetry = async () => {
    if(this.state.resend){
      this.setState({ loading: true })
      this.retryValidateOTP(success => {
        if(success.status == 1){
          this.activateResend()
          this.setState({ loading: false, resend: false })
          Platform.OS == 'ios' ? setTimeout(() => {
            Alert.alert("Requested.", "New OTP code will be submitted on your mobile number.")
          }, 300) : Alert.alert("Requested.", "New OTP code will be submitted on your mobile number.")
        }else{
          this.setState({ loading: false, resend: true })
        }
      }, error => {
        this.setState({ loading: false, resend: true })
      })
    }
  }

  validateOTP = async (successCallback, errorCallback) => {
    this.setState({ loading: true, retries: this.state.retries + 1 })
    await REQUEST("sendOTP", "post", {}, {}, {
      otp: this.state.otp,
      lcard_uuid: this.state.data.lcard_uuid
    }, async (data) => {
      successCallback(data)
    }, function(error){
      errorCallback(error)
    })
  }

  retryValidateOTP = async (successCallback, errorCallback) => {
    let params = `lcard_uuid=${this.state.data.lcard_uuid}&mobile=${Theme.formatter.PMBL(this.state.data.mobile_number)}&is_resend=true`;
    await REQUEST("requestOTP", "get", {}, params, {}, 
      function(res){
        successCallback(res)
      }, function(error){
        errorCallback(error)
      }
    )
  }

  render() {
    return (
      <CustomSafeArea>
        <Elements.loaderView 
            title="Validating"
            message="Please wait..."
            isDarkMode={this.props.app_theme?.theme.dark}
            backgroundColor={this.props.app_theme?.theme.colors.border}
            color={this.props.app_theme?.theme.colors.text}
            visible={this.state.loading} />

        <Elements.infodialog 
          title="Requested." 
          message="New OTP code will be submitted on your mobile number."
          buttonConfirmText="OK" 
          shown={this.state.infodialog}
          onCancel={() => this.setState({ infodialog: false })}
          onSubmit={(value) => this.setState({ infodialog: false })}
        />

        <Elements.infodialog 
          title="Error" 
          message="Incorrect OTP. The OTP you have entered does not exist."
          buttonConfirmText="OK" 
          shown={this.state.errordialog}
          onCancel={() => this.setState({ errordialog: false })}
          onSubmit={(value) => this.setState({ errordialog: false })}
        />

        <CustomHeader title="" menu={false} back={true} onBackPress={() => this.props.navigation.goBack()} navigation={this.props.navigation} />
        <KeyboardAvoidingView style={{flex: 1, justifyContent: 'center', alignItems: 'center'}}>
          <Text style={{padding: 15, fontSize: 22, color: this.props.app_theme?.theme.dark ? this.props.app_theme?.theme.colors.text : Theme.colors.textPrimary, fontWeight: 'bold'}}>Enter Code</Text>
          <Text style={{padding: 5, fontSize: 16, color: this.props.app_theme?.theme.dark ? this.props.app_theme?.theme.colors.text : Theme.colors.textPrimary, width: '85%', textAlign: 'center'}}>Enter the 4-digit verification code sent to</Text>
          <Text style={{padding: 15, paddingTop: 5, fontSize: 15, color: Theme.colors.accent, width: '85%', textAlign: 'center'}}>{Theme.formatter.ENCMBL(this.state.data.mobile_number || "+639000000000")}</Text>

          <CustomOTPInput
            containerStyle={{ marginBottom: 30 }}
            textColor={this.props.app_theme?.theme.colors.text}
            isDarkMode={this.props.app_theme?.theme.dark}
            onChangeText={(v) => {
              this.setState({ otp: v, valid: v.length == 4 ? true : false })
            }}
          />
          
          <TouchableOpacity onPress={() => this.onSubmit()} disabled={!this.state.valid} style={{backgroundColor: this.state.valid ? Theme.colors.primary : this.props.app_theme?.theme.dark ? this.props.app_theme?.theme.colors.border : Theme.colors.primary + "15", padding: 15, width: '80%', borderRadius: 10, elevation: this.state.valid ? 3 : 0}}>
            <Text style={{textAlign: 'center', color: "#fff", fontSize: 16}}>Submit</Text>
          </TouchableOpacity>

          <View style={{flexDirection: 'row', width: '80%', padding: 30}}>
            <TouchableOpacity activeOpacity={1} onPress={() => this.onRetry()} style={{flex: 2}}>
              <Text style={{textAlign: 'center', color: this.state.resend ? Theme.colors.primary : Theme.colors.darkGray, fontSize: 16}}>Resend Code</Text>
            </TouchableOpacity>
          </View>

          <View style={{padding: 70}}></View>

        </KeyboardAvoidingView>
      </CustomSafeArea>
    )
  }
}

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

export default connect(mapStateToProps, null)(Otp)