<template>
    <div class="morphcontainer">
        <div v-if="selectedBottleneck">
            <div v-if="surveyList && !drawMode" class="ui-element card card-body shadow">
                <div class="headline">
                    <h4>{{bottleneckName}}</h4>
                    <hr>
                    <div
                        @click="clearSelection"
                        class="float-left ui-element d-flex morphtoolminus"
                    >
                        <i class="fa fa-close morphtoolsminus"></i>
                    </div>
                </div>
                <ul class="list-group surveylist">
                    <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>
        </div>
        <div v-if="selectedMorph" @click="clearSelection" class="ui-element shadow morphtool">
            <div class="d-flex flex-row justify-content-between">
                <i class="fa fa-close text-danger"></i>
                <small>Bottleneck:&nbsp;</small>
                <h6>
                    {{bottleneckName}}
                    <small>( {{selectedMorph.date_info}} )</small>
                </h6>
            </div>
        </div>
    </div>
</template>

<style scoped lang="scss">
.headline {
  margin-right: $offset;
  margin-left: $offset;
}
.morphcontainer {
  margin-bottom: $offset;
  margin-left: auto;
  margin-right: $large-offset + $icon-width;
  border-radius: $border-radius;
}
.surveylist {
  text-align: left;
  margin-bottom: $offset !important;
  margin-left: $offset;
  margin-right: $offset;
}

.surveylist li {
  margin-left: auto;
  margin-right: auto;
  border-style: none;
  padding-bottom: 0rem;
}

.morphtool {
  position: relative;
  background-color: white;
  padding: $small-offset;
  border-radius: $border-radius;
  height: $icon-width;
  margin-right: $offset;
  margin-top: auto;
  margin-bottom: auto;
  z-index: 2;
}

.morphcontainer i {
  margin-right: $small-offset;
}

.morphtoolminus {
  position: absolute;
  top: 0;
  right: 0;
  background-color: white;
  padding: $small-offset;
  border-radius: $border-radius;
  height: $icon-width;
  width: $icon-height;
  z-index: 2;
}
</style>

<script>
/*
 * This is Free Software under GNU Affero General Public License v >= 3.0
 * without warranty, see README.md and license for details.
 * 
 * SPDX-License-Identifier: AGPL-3.0-or-later
 * License-Filename: LICENSES/AGPL-3.0.txt
 * 
 * Copyright (C) 2018 by via donau 
 *   – Österreichische Wasserstraßen-Gesellschaft mbH
 * Software engineering by Intevation GmbH
 * 
 * Author(s):
 * Thomas Junk <thomas.junk@intevation.de>
 */
import { mapState } from "vuex";

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

export default {
  name: "morphtool",
  data() {
    return {
      surveyList: null,
      bottleneckName: ""
    };
  },
  computed: {
    ...mapState("application", ["drawMode"]),
    ...mapState("identifystore", ["identifiedFeatures"]),
    ...mapState("fairwayprofile", ["selectedMorph"]),
    selectedBottleneck: function() {
      if (this.identifiedFeatures && !this.drawMode) {
        for (let feature of this.identifiedFeatures) {
          let id = feature.getId();
          // RegExp.prototype.test() works with number, str and undefined
          if (/^bottlenecks\./.test(id)) {
            this.$store.commit("fairwayprofile/setSelectedMorph", null);
            return feature;
          }
        }
      }
      return null;
    }
  },
  watch: {
    selectedBottleneck: function(bottleneckFeature) {
      if (bottleneckFeature) {
        let bottleneckName = bottleneckFeature.get("objnam");
        if (bottleneckName) {
          this.bottleneckName = bottleneckName;
          this.queryBottleneck(bottleneckName);
        }
      }
    }
  },
  methods: {
    queryBottleneck(name) {
      // DEBUG console.log("starting to query bottleneck", name);
      HTTP.get("/surveys/" + name, {
        headers: {
          "X-Gemma-Auth": localStorage.getItem("token"),
          "Content-type": "text/xml; charset=UTF-8"
        }
      })
        .then(response => {
          this.surveyList = response.data;
          this.$store.commit(
            "fairwayprofile/setAvailableSurveys",
            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("fairwayprofile/setSelectedMorph", survey);
      this.surveyList = null;
    },
    clearSelection() {
      this.$store.commit("identifystore/setIdentifiedFeatures", []);
      this.$store.commit("fairwayprofile/setSelectedMorph", null);
      this.surveyList = null;
      if (this.drawMode) {
        this.$store.commit("application/toggleDrawModeLine");
      }
    }
  }
};
</script>