<template>
  <div v-if="selectedBottleneck || selectedMorph">
    <div v-if="surveyList" class="ui-element card card-body shadow">
      <div class="headline">
        <h5>{{selectedBottleneck.get("objnam")}}</h5>
      </div>
      <ul class="list-group">
        <li v-for="survey of surveyList.surveys" :key="survey.data_info"
            class="list-group-item" @click.prevent="selectSurvey(survey)">
          <a href="#" @click.prevent=""
             >{{survey.date_info}}</a>
        </li>
      </ul>
      <div @click="clearSelection"
           class="float-left ui-element d-flex shadow morphtoolminus">
        <i class="fa fa-minus morphtoolsminus"></i>
      </div>
    </div>
    <div v-else @click="clearSelection" class="float-right ui-element d-flex shadow morphtool">
        <i class="fa fa-object-ungroup"></i>
    </div>
  </div>
</template>

<style lang="scss">
.morphtool {
  position: relative;
  background-color: white;
  padding: $small-offset;
  border-radius: $border-radius;
  margin-left: $offset;
  height: $icon-width;
  width: $icon-height;
  margin-bottom: $offset;
  margin-right: $offset;
  z-index: 2;
}
.morphtoolminus {
  position: relative;
  background-color: white;
  padding: $small-offset;
  border-radius: $border-radius;
  height: $icon-width;
  width: $icon-height;
  z-index: 2;
}
</style>

<script>
import { mapGetters, mapState } from "vuex";

import { displayError } from "../application/lib/errors.js";
import { HTTP } from "../application/lib/http";

export default {
  name: "morphtool",
  data() {
    return {
      surveyList: null
    };
  },
  computed: {
    ...mapGetters("application", ["drawMode"]),
    ...mapState("mapstore", ["identifiedFeatures", "selectedMorph"]),
    selectedBottleneck: function() {
      if (this.identifiedFeatures) {
        for (let feature of this.identifiedFeatures) {
          if (feature.getId().replace(/[.][^.]*$/, "") === "bottlenecks") {
            return feature;
          }
        }
      }
      return null;
    }
  },
  watch: {
    selectedBottleneck: function(bottleneckFeature) {
      if (bottleneckFeature) {
        let bottleneckName = bottleneckFeature.get("objnam");
        if (bottleneckName) {
          this.queryBottleneck(bottleneckName);
        }
      }
    }
  },
  methods: {
    queryBottleneck(name) {
      HTTP.get("/surveys/" + name, {
        headers: {
          "X-Gemma-Auth": localStorage.getItem("token"),
          "Content-type": "text/xml; charset=UTF-8"
        }
      })
        .then(response => {
          this.surveyList = response.data;
        })
        .catch(error => {
          this.surveyList = null;
          const { status, data } = error.response;
          displayError({
            title: "Backend Error",
            message: `${status}: ${data.message || data}`
          });
        });
    },
    selectSurvey(survey) {
      this.$store.commit("mapstore/setSelectedMorph", survey);
      this.surveyList = null;
    },
    clearSelection() {
      this.$store.commit("mapstore/setIdentifiedFeatures", []);
      this.$store.commit("mapstore/setSelectedMorph", null);
      this.surveyList = null;
    }
  }
};
</script>