@extends('base')
@section('body-class', 'overview')
@section('main')
<article class="header" style="grid-area: chart1;">
    <header>
        <h2>
            Anzahl jemals gefundene Kurzzeitmietobjekte pro Region
        </h2>
        <button popovertarget="pop1">
          <span>Erklärungen zum Diagramm</span>
        </button>
        <div popover id="pop1">
          <p>Das Diagram zeigt...</p>
        </div>
        <div>
    </header>
    <div id="chart-props-per-region"></div>
</article>
<article class="header" style="grid-area: chart2;">
    <header>
        <h2>
            Entwicklung der Anzahl jemals gefunden Kurzzeitmietobjekte
        </h2>
    </header>
    <div id="extractions"></div>
</article>
<article style="grid-area: chart4;">
    <div id="leaflet"></div>
</article>
<article class="header" style="grid-area: chart3;">
    <header>
      <h2>
        Gesamtauslastung
      </h2>
    </header>
    <div id="chart-heatmap"></div>
</article>
<script type="module">

const sharedOptions = {
  basic: {
    color: ['#f1eef6','#bdc9e1','#74a9cf','#2b8cbe','#045a8d'],
    grid: {
      top: 20,
      left: 60,
      right: 0,
      bottom: 50
    },
    name: (opt) => {
      return {
        name: opt.name,
        nameLocation: opt.location,
        nameGap: 24,
        nameTextStyle: {
          fontWeight: 'bold',
        },
      }
    }
  }
}
const extractionDates = {!! json_encode($regionPropertiesCapacities['scrapeDates']) !!};

const chartHeatmap = document.getElementById('chart-heatmap');
const cHeatmap = echarts.init(chartHeatmap);
const cHeatmapOptions = {
  tooltip: {
    position: 'top'
  },
  grid: {
    top: 30,
    right: 0,
    bottom: 0,
    left: 0
  },
  dataZoom: [{
    type: 'inside'
  }
  ],
  xAxis: {
    show: false,
    name: 'Kurzzeitmietobjekt',
    type: 'category',
    data: extractionDates,
    splitArea: {
      show: false
    },
    axisLabel: {
      show: true,
    }
  },
  yAxis: {
    show: false,
    type: 'category',
    data: {!! json_encode($regionPropertiesCapacities['property_ids']) !!},
    splitArea: {
      show: true
    }
  },
  visualMap: {
    type: 'piecewise',
    min: 0,
    max: 100,
    calculable: true,
    orient: 'horizontal',
    left: 'center',
    top: 0,
    formatter: (v1, v2) => {
      return `${v1} – ${v2} %`;
    },
    inRange: {
      color: sharedOptions.basic.color,
    },
  },
  series: [
    {
      name: 'Auslastung',
      type: 'heatmap',
      blurSize: 0,
      data: {!! json_encode($regionPropertiesCapacities['values']) !!},
      label: {
        show: false
      },
      tooltip: {
        formatter: (data) => {
          let v = data.value
          return `Kurzzeitmietobjekte-ID: ${data.name}<br />Datum Scraping: ${extractionDates[v[1]]}<br/>Auslastung: ${v[2]} %`
        },
      },
      emphasis: {
        itemStyle: {
          borderColor: '#000',
          borderWidth: 2
        }
      }
    }
  ]
}

cHeatmap.setOption(cHeatmapOptions);

const chartPropsPerRegion = document.getElementById('chart-props-per-region');
const cPropsPerRegion = echarts.init(chartPropsPerRegion);
const cPropsPerRegionOptions = {
  grid: sharedOptions.basic.grid,
  xAxis: {
    name: 'Region',
    nameLocation: 'center',
    nameGap: 24,
    nameTextStyle: {
      fontWeight: 'bold',
    },
    type: 'category',
    data: {!! $propsPerRegion[0] !!}
  },
  yAxis: {
    type: 'value',
    name: 'Anzahl Kurzzeitmietobjekte',
    nameLocation: 'middle',
    nameGap: 38,
    nameTextStyle: {
      fontWeight: 'bold',
    },
  },
  series: [
    {
      data: {!! $propsPerRegion[1] !!},
      type: 'bar'
    }
  ]
};

cPropsPerRegion.setOption(cPropsPerRegionOptions);

const chartExtractions = document.getElementById('extractions');
const cExtractions = echarts.init(chartExtractions);

const filters = {
  regions: ["Alle", "Davos", "Engadin", "Heidiland", "St. Moritz"]
}

const cExtractionsOptions = {
  tooltip: {
    trigger: 'axis'
  },
  legend: {
    data: filters.regions
  },
  color: sharedOptions.basic.color,
  grid: sharedOptions.basic.grid,
  xAxis: {
    name: 'Zeitpunkt Scraping',
    nameLocation: 'center',
    nameGap: 24,
    nameTextStyle: {
      fontWeight: 'bold',
    },
    type: 'category',
    boundaryGap: false,
    data: extractionDates
  },
  yAxis: {
    name: 'Anzahl Kurzzeitmietobjekte',
    nameLocation: 'center',
    nameGap: 38,
    nameTextStyle: {
      fontWeight: 'bold',
    },
    type: 'value'
  },
  series: [
    {
      name: 'Alle',
      type: 'line',
      stack: 'Total',
      data: {!! json_encode($growth['total_all']) !!}
    },
    {
      name: 'Heidiland',
      type: 'line',
      stack: 'Heidiland',
      data: {!! json_encode($growth['total_heidiland']) !!}
    },
    {
      name: 'Davos',
      type: 'line',
      stack: 'Davos',
      data: {!! json_encode($growth['total_davos']) !!}
    },
    {
      name: 'Engadin',
      type: 'line',
      stack: 'Engadin',
      data: {!! json_encode($growth['total_engadin']) !!}
    },
    {
      name: 'St. Moritz',
      type: 'line',
      stack: 'St. Moritz',
      data: {!! json_encode($growth['total_stmoritz']) !!}
    },
  ]
};

cExtractions.setOption(cExtractionsOptions);

const map = L.map('leaflet').setView([46.862962, 9.535296], 9);

L.tileLayer('https://tile.openstreetmap.org/{z}/{x}/{y}.png', {
    maxZoom: 19,
    attribution: '&copy; <a href="http://www.openstreetmap.org/copyright">OpenStreetMap</a>'
}).addTo(map);

const properties = {!! json_encode($geo) !!}
properties.forEach( prop => {
    let coords = prop.coordinates.split(',');
    L.marker(coords).addTo(map).bindPopup('<a href="/prop/'+prop.id+'">'+prop.coordinates+'</a>');
})


</script>
@endsection