<!--
Licensed to the Apache Software Foundation (ASF) under one or more contributor
license agreements.  See the NOTICE.txt file distributed with this work for
additional information regarding copyright ownership.  The ASF licenses this
file to you under the Apache License, Version 2.0 (the "License"); you may not
use this file except in compliance with the License.  You may obtain a copy of
the License at
     http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
License for the specific language governing permissions and limitations under
the License.
-->
<template lang="html">

  <section class="auditsummarycomp">
    <v-card>
        <v-toolbar dark color="primary">
         <v-toolbar-title class="white--text">Audit Summary</v-toolbar-title>
        </v-toolbar>
        <svg id="hzBarChart"/>
    </v-card>
    
  </section>

</template>

<script lang="js">
  import * as d3 from 'd3';
  import axios from 'axios';
  import store from './../store/store'
  export default  {
    name: 'auditsummarycomp',
    store,
    props: [],
    mounted() {
        this.loadData();
    },
    data() {
      return {

      }
    },
    methods: {
      loadData(){
          var label_names = [];
          var Standards = [];
          var Apache = [];
          var Binaries = [];
          var Generated = [];
          var Unknown = [];
          var Archives = [];
          var Notes = [];

            var rowCount = 0;

          axios.get(this.origin + '/solr/statistics/select?q=type:software&fl=license_*,id&sort=id+asc&wt=json')
          .then(response2=>{
              rowCount = response2.data.response.numFound;
               if(response2.data.response.numFound!=null){
                axios.get(this.origin + '/solr/statistics/select?q=type:software&rows='+rowCount+'&fl=license_*,id&sort=id+asc&wt=json')
                .then(response=>{
              

                    var docs = response.data.response.docs;
                
                    for(var i = 0; i < docs.length; i++) {
                        var doc = docs[i];
                        var repo = doc.id.split("/");
                        var reponame = repo[repo.length - 1];
                        if (reponame.indexOf("part") == 0)
                            reponame = repo[repo.length - 2];

                        if (label_names[label_names.length - 1] == reponame) {
                            Standards[Standards.length - 1] += doc["license_Standards"];
                            Apache[Apache.length - 1] += doc["license_Apache"];
                            Binaries[Binaries.length - 1] += doc["license_Binaries"];
                            Generated[Generated.length - 1] += doc["license_Generated"];
                            Unknown[Unknown.length - 1] += doc["license_Unknown"];
                            Archives[Archives.length - 1] += doc["license_Archives"];
                            Notes[Notes.length - 1] += doc["license_Notes"];
                            continue;
                        }

                        label_names.push(reponame);
                        Standards.push(doc["license_Standards"]);
                        Apache.push(doc["license_Apache"]);
                        Binaries.push(doc["license_Binaries"]);
                        Generated.push(doc["license_Generated"]);
                        Unknown.push(doc["license_Unknown"]);
                        Archives.push(doc["license_Archives"]);
                        Notes.push(doc["license_Notes"]);
                        
                        
                    }

                    
                        var data = {
                            "labels": label_names,
                            "series": [
                            {
                                label: 'Standards',
                                values: Standards
                            },
                            {
                                label: 'Apache',
                                values: Apache
                            },
                            {
                                label: 'Binaries',
                                values: Binaries
                            },
                            {
                                label: 'Generated',
                                values: Generated
                            },
                            {
                                label: 'Unknown',
                                values: Unknown
                            },
                            {
                                label: 'Archives',
                                values: Archives
                            },
                            {
                                label: 'Notes',
                                values: Notes
                            }]
                        };


                        var chartWidth       = 600,
                            barHeight        = 25,
                            groupHeight      = barHeight * data.series.length,
                            gapBetweenGroups = 25,
                            spaceForLabels   = 150,
                            spaceForLegend   = 150;

                        // Zip the series data together (first values, second values, etc.)
                        var zippedData = [];
                        for (i=0; i<data.labels.length; i++) {
                            for (var j=0; j<data.series.length; j++) {
                            zippedData.push(data.series[j].values[i]);
                            }
                        }

                        // Color scale
                        var color = d3.scaleOrdinal(d3.schemeAccent);
                        var mylabels = ["Standards", "Apache", "Binaries", "Generated", "Unknown", "Archives", "Notes"];
                        var chartHeight = barHeight * zippedData.length + gapBetweenGroups * data.labels.length;

                        var x = d3.scaleLinear()
                            .domain([0, d3.max(zippedData)])
                            .range([0, chartWidth]);

                        var y = d3.scaleLinear()
                            .range([chartHeight + gapBetweenGroups, 0]);

                        var yAxis = d3.axisLeft(x)
                            .tickFormat('')
                            .tickSize(0);

                        // Specify the chart area and dimensions
                        var chart = d3.select("#hzBarChart")
                            .attr("width", spaceForLabels + chartWidth + spaceForLegend)
                            .attr("height", chartHeight);

                        // Create bars
                        var bar = chart.selectAll("g")
                            .data(zippedData)
                            .enter().append("g")
                            .attr("transform", function(d, i) {
                                return "translate(" + spaceForLabels + "," + (i * barHeight + gapBetweenGroups * (0.5 + Math.floor(i/data.series.length))) + ")";
                            });

                        // Create rectangles of the correct width
                        bar.append("rect")
                            .attr("style", function(d,i) { return "fill:"+color(i % data.series.length); })
                            .attr("class", "bar")
                            .attr("width", function(x){return x>0?x:0})
                            .attr("height", barHeight - 1);

                        bar.append('rect')
                            .attr("x", function(d) { 
                                var xtoreturn = x(d);
                                if(x(d) < 10) xtoreturn = x(d) + 10;
                                else if(x(d) < 75) xtoreturn = x(d) - 77; 
                                else xtoreturn = x(d) - 83; 
                                if(xtoreturn<0) return 0;
                                else return xtoreturn;
                                })
                            .attr("y", 7)
                            .attr('width', 80)
                            .attr('height', barHeight - 15)
                            .attr('fill', 'white')

                        // Add text label in bar
                        bar.append("text")
                            .attr("x", function(d) {
                                var xtoreturn = x(d)
                                if(x(d) < 80) xtoreturn = 5; 
                                else xtoreturn = x(d) - 63;
                                if(xtoreturn<0) return 0;
                                else return xtoreturn })
                            .attr("y", (barHeight / 2)+1.5)
                            .attr("style", function(d,i) { return "fill:"+color(i % data.series.length); })
                            .attr("style", "font-size:.55em")
                            .text(function(d, i) { return d + " " + mylabels[i % data.series.length]; });


                        // Draw labels
                        bar.append("text")
                            .attr("class", "label")
                            .attr("x", function(d,i) { 
                                console.log(d);
                                var x = -groupHeight/2;
                                if (i % data.series.length === 0)
                                x-= (data.labels[Math.floor(i/data.series.length)].length)*3;
                                return x;  })
                            .attr("y", -20)
                            .attr("dy", ".35em")
                            .attr("transform","rotate(-90)")
                            .text(function(d,i) {
                                if (i % data.series.length === 0)
                                return data.labels[Math.floor(i/data.series.length)];
                                else
                                return ""});

                        chart.append("g")
                                .attr("class", "y axis")
                                .attr("transform", "translate(" + spaceForLabels + ", " + -gapBetweenGroups/2 + ")")
                                .call(yAxis);

                        // Draw legend
                        var legendRectSize = 18,
                            legendSpacing  = 4;

                        var legend = chart.selectAll('.legend')
                            .data(data.series)
                            .enter()
                            .append('g')
                            .attr('transform', function (d, i) {
                                var height = legendRectSize + legendSpacing;
                                var offset = -gapBetweenGroups/2;
                                var horz = spaceForLabels + chartWidth + 40 - legendRectSize;
                                var vert = i * height - offset;
                                return 'translate(' + 0+ ',' + vert + ')';
                            });

                        legend.append('rect')
                            .attr('width', legendRectSize)
                            .attr('height', legendRectSize)
                            .style('fill', function (d, i) { return color(i); })
                            .style('stroke', function (d, i) { return color(i); });

                        legend.append('text')
                            .attr('class', 'legend')
                            .attr('x', legendRectSize + legendSpacing)
                            .attr('y', legendRectSize - legendSpacing)
                            .text(function (d) { return d.label; });

                            
                    });
               } 
              
          });  

          
      }
    },
    computed: {
        origin(){
            return store.state.origin;
        }
    }
}
</script>

<style scoped >
  .auditsummarycomp {
      margin-top: 5%;
      margin-bottom: 10%;
  }
</style>