//© 2019 Dublin City University, Trinity College Dublin. All rights reserved. This material may not be reproduced, displayed, modified or distributed without the express prior written permission of the copyright holder.
import React, { Component} from 'react';
import { Bar } from 'react-chartjs-2';
import {
  Card,
  CardBody,
  CardHeader,
  ButtonDropdown,
  ButtonGroup,
  DropdownItem,
  DropdownMenu,
  DropdownToggle,
  Media,
  Modal,
  ModalHeader,
  ModalBody,
  ModalFooter,
  Button,
  FormGroup,
  Form,
  Label,
  Input,
} from 'reactstrap';
import { connect } from 'react-redux';
import { CustomTooltips } from '@coreui/coreui-plugin-chartjs-custom-tooltips';
import { getAllAssessmentDates } from '../../services/tripleStoreAPIs/sparql/getAllAssessmentDates';
import { getAssessmentQuality } from '../../services/tripleStoreAPIs/sparql/getAssessmentQuality';
import { read } from '../../services/tripleStoreAPIs/readFromTripleStore';
import LoadingSpinner from './loading';
import LoadingFailed from './loadingFailed';


const options = {
  tooltips: {
    enabled: false,
    custom: CustomTooltips
  },
  scales: {
    xAxes: [{
        barThickness: 40,
        scaleLabel: {
        display: true,
        labelString: "Date/Time"

      }
    }],
    yAxes:[
      {
        ticks :{
          max: 100,
          min: 0,
          stepSize: 20
        },
        scaleLabel: {
        display: true,
        labelString: "Data Quality"

      }
      }
    ]
},
legend: {
    display: false
},

  maintainAspectRatio: false
}

class DataQualityOverTime extends Component{

  constructor(props) {
    super(props);
    this.state = {
      assessmentDates:[],
      assessmentQualities:[],
      qualityStatus :[],
      isloading : false,
      loadFailed :  false,
      dropdownOpen: false,
      popupOpen: false,
      tempLimit: sessionStorage.getItem("LIMIT")
    };


  }

  togglePopup = () => {
      this.setState(prevState => ({
          popupOpen: !prevState.popupOpen
      }));
  }

  onChangeLimit = (event) =>
  {
    this.setState(
        { tempLimit: event.target.value }
    );
  }

  saveLimit = () =>
  {
    //console.log(this.state.tempLimit);
    sessionStorage.setItem("LIMIT",this.state.tempLimit );
    this.togglePopup();
  }

componentDidMount(){

  //console.log("componentDidMount");
  //console.log(this.props)
  var linkedDataset = this.props.datasetDetailsCache[0]
  if(this.props.is1Spatial){
    var sessionStore = JSON.parse(sessionStorage.getItem("PIPELINECACHE"));
    var index = 0
    sessionStore.forEach((store, index)=>{
      if(this.props.datasetID === store.datasetID)
        index = index
    })
    console.log(index)
    linkedDataset = sessionStore[index]
  }

  this.setState({is1Spatial: this.props.is1Spatial})
  if (this.props.is1Spatial || this.props.datasetDetailsCache.length>0) {
    this.setState({ isloading: true }, () => {
      this.setup(linkedDataset)
      .then(()=>{
        let assessmentDate =[];
        let assessmentQuality = [];
        let assessmentColor =[];
        if(typeof linkedDataset.historicAssessmentData!=="undefined")
        {
          if(linkedDataset.historicAssessmentData.length>0)
          {
              assessmentDate = linkedDataset.historicAssessmentData.map((result,index) => {
                return ({index: index, result:Object.keys(result)[0]});
              });
          }
        }
        assessmentDate.forEach((date)=>{
          //console.log(date.result);
            let quality=0;
            let status="rgba(255,99,132,0.2)";
            let tempTotal=[];
            var cache = linkedDataset.historicAssessmentData[date.index][date.result]
            tempTotal = cache.map((metricDetails) => {
              let metricValueType = (metricDetails.Value.datatype).split("#")[1]
              let metricValue = 0.0;
              if (metricValueType === "boolean") {
                let metricValueTemp = metricDetails.Value.value
                if (metricValueTemp === "true") {
                  metricValue = 1.0;
                }
              }
              else {
                metricValue = Number.parseFloat(metricDetails.Value.value).toFixed(2)
              }
              tempTotal.push(
                {
                  /* metric: (metricDetails.Metric.value).split("#")[1], */
                  metric: metricDetails.Metric.value,
                  value: metricValue
                }
              );
                if(!this.state.is1Spatial)
                  return (linkedDataset.assessmentMetrics.filter((metric) => { if (metric.assess === true & metric.metric === metricDetails.Metric.value) { return true; } return false }).map((metric) => {if (metricValueType === "boolean") { if(metricValue===metric.target){return parseFloat(1.0, 10);}else{return parseFloat(0.0, 10);}}else{return parseFloat(metricValue, 10);}}));
                else{
                  if(metricValue != -Infinity){
                    return parseFloat(metricValue, 10)
                  }
                  else{
                    return 0
                  }
                }
            });
            if (tempTotal.length > 0) {
              let filteredArray = tempTotal.flat();
              if(filteredArray.length>1)
              {
                quality = filteredArray.reduce((previous, current) => current += previous) / filteredArray.length;
              }
              else {
                quality = filteredArray[0];
              }
              if (quality >= linkedDataset.expectedProgress) {
                status="rgba(0,255,0,0.2)";
              }
              quality = Number(parseFloat(quality).toFixed(4))*100;
            }


            assessmentQuality.push(
              {
                index : date.index,
                quality : Number.parseFloat(quality).toFixed(2)
              }
            );
            assessmentColor.push(
              {
                index : date.index,
                status : status
              }
            );

          });
          this.setState(
            {
              assessmentDates : assessmentDate,
              assessmentQualities : assessmentQuality,
              qualityStatus : assessmentColor,
              isloading: false
            }
          );
      });
    });

}
}

 setup = async (props) =>
{

  return;
}


fetchHistoricDateFromCache = (historicAssessmentDataFromCache)=>
{
  return new Promise((resolve)=>{
      let cachedHistoricDates = [];
      if (typeof historicAssessmentDataFromCache!=="undefined")
      {
        historicAssessmentDataFromCache.forEach((assessmentData)=>{
          cachedHistoricDates.push(Object.keys(assessmentData));
        });
      }
      //console.log(cachedHistoricDates.flat());
      resolve(cachedHistoricDates.flat());

  });
}

fetchHistoricDateFromTripleStore = (datasetPLD) =>
{
    return new Promise((resolve)=>{
      let historicDates = [];
      read(getAllAssessmentDates(datasetPLD))
        .then((response) => {
          //console.log(response);
          if (response) {
            if (response.results.bindings.length > 0) {
              historicDates = response.results.bindings.map((result,index) => {
                return ({result:result.TimePeriod.value});
              });
            }
          }
          //console.log(historicDates);
          resolve(historicDates);
      });

    });
}

refreshCacheWithHistoricAssessmentData = (cachedHistoricDates, date, datasetID,datasetPLD) =>
{
    return new Promise((resolve)=>{

        //console.log(cachedHistoricDates.indexOf(date.result));
        if(cachedHistoricDates.indexOf(date.result) >= 0)
        {
          //console.log("Yes");
          resolve();
        }
        else
        {
          //console.log("No");
          read(getAssessmentQuality(datasetPLD,date.result)).then((response) => {

              let assessmentResult = {
                [date.result] : [...response.results.bindings]
              }
              //console.log(assessmentResult);
              this.props.updateHistoricAssessmentDetailsToCache(assessmentResult,datasetID);
              resolve();
            }
          );
        }
    });
}



toggleAlertModel = () => {
    this.setState({
        loadFailed: false
    });
}

toggle = () => {
  this.setState({
    dropdownOpen: !this.state.dropdownOpen,
  });
}


render ()
{
  //console.log(this.props.datasetDetailsCache[0]);
  console.log(this.state.assessmentDates)
  let assessmentCount = this.state.assessmentDates.length;
  var dateTime = ''
  var dates = ''
  var time = ''
  if(this.state.is1Spatial){
     dateTime = this.state.assessmentDates.map((date)=>{return((date.result));});
     dates = dateTime.map((date)=>{return((date).split(" ")[0]);});
     time = dateTime.map((date)=>{return((date).split(" ")[1]);});
  }else{
     dateTime = this.state.assessmentDates.map((date)=>{return((date.result).split(".")[0]);});
     dates = dateTime.map((date)=>{return((date).split("T")[0]);});
     time = dateTime.map((date)=>{return((date).split("T")[1]);});
  }
  let backgroundColour = this.state.qualityStatus.sort((a, b) => parseInt(a.index) - parseInt(b.index));
  let assessData = this.state.assessmentQualities.sort((a, b) => parseInt(a.index) - parseInt(b.index));
  if(assessmentCount>sessionStorage.getItem("LIMIT"))
  {
    let startIndex=assessmentCount-sessionStorage.getItem("LIMIT");
    dateTime=dateTime.slice(startIndex);
    backgroundColour=backgroundColour.slice(startIndex);
    assessData=assessData.slice(startIndex);
  }
  let mergedDateTime=[];
  let size = dateTime.length;
  let index=0;
  for (index=0; index<size;index++)
  {
    mergedDateTime.push([dates[index],time[index]]);
  }

  const bar = {
    labels: [...mergedDateTime],
    datasets: [
      {
        label: this.state.datasetPLD,
        backgroundColor: backgroundColour.map((status)=> {return(status.status)}),

        data:  assessData.map((data)=>{return(data.quality)}) ,
      },
    ],

  };

  let model = (<Modal isOpen={true} className="modal-dialog-centered">
                  <ModalHeader style={{ margin: 'auto' }}>Configure Settings</ModalHeader>
                  <ModalBody>
                      <Form>
                          <FormGroup>
                              <Label>Dataset Name:</Label>
                               <Input type="text" name="limitInput" id="limitInput" ref="limitInput" value={this.state.tempLimit} onChange={this.onChangeLimit} />
                          </FormGroup>
                          </Form>
                      </ModalBody>
                      <ModalFooter>
                          <Button color="secondary" onClick={this.togglePopup}>Close</Button>
                          <Button color="primary" onClick={this.saveLimit}>Save</Button>{' '}
                      </ModalFooter>
                  </Modal>
                        );

return(
  <Card className="w-75">
  {this.state.popupOpen?model:null}
    <CardHeader>
      Data Quality over Time
      <ButtonGroup className="float-right">
        <ButtonDropdown id='card1' isOpen={this.state.dropdownOpen} toggle={this.toggle}>
          <DropdownToggle caret className="p-0" color="black">
            <Media className="icon-settings"></Media>
          </DropdownToggle>
          <DropdownMenu right>
            <DropdownItem onClick={this.togglePopup}>Config</DropdownItem>
          </DropdownMenu>
        </ButtonDropdown>
      </ButtonGroup>
    </CardHeader>
    <CardBody>

    {this.state.isloading ? <LoadingSpinner /> : null}
    {this.state.loadFailed ? <LoadingFailed clickHandler={this.toggleAlertModel} /> : null}
        <Bar data={bar} options={options} />
    </CardBody>
  </Card>
);

}

}


const mapStateToProps = (state,ownProps) => {

  let datasetID = ownProps.datasetID;
  let datasetDetails = null
  if(ownProps.is1Spatial && state.pipelineCache){
    datasetDetails = state.pipelineCache.filter((dataset)=>{if(dataset.datasetID===datasetID){return dataset;} return null; });
  }else{
    datasetDetails = state.datasetDetailsCache.filter((dataset)=>{if(dataset.datasetID===datasetID){return dataset;} return null; });
  }

    return (
        {
            datasetDetailsCache: datasetDetails
        }
    );
}

const mapDispatchToProps = (dispatch) => {
    return ({
        updateHistoricAssessmentDetailsToCache: (historicAssessmentData,datasetID) => { return dispatch({ type: 'UPDATE_HISTORIC_ASSESSMENT_DETAILS_CACHE', payLoad: {historicAssessmentData:historicAssessmentData, datasetID:datasetID} }); }
    }
    );
}
export default connect(mapStateToProps, mapDispatchToProps)(DataQualityOverTime);