<template>
    <div class="identifymenu">
        <div @click="collapse" class="d-flex flex-column ui-element minimizer">
            <div :class="infoStyle">
                <i class="fa fa-info"></i>
            </div>
        </div>
        <div :class="identifyStyle">
            <div v-if="!collapsed" class="card-body">
                <div class="headline">
                    <h4 class="card-title">Identified</h4>
                </div>
                <hr>
                <div class="d-flex flex-column features">
                    <div v-for="feature of identifiedFeatures" :key="feature.getId()">
                        <div v-if="feature.getId()">
                            {{ feature.getId().replace(/[.][^.]*$/,"") /* cut away everything from the last . to the end */}}:
                            <small v-for="(value, key) in prepareProperties(feature)" :key="key">
                                <div v-if="value">{{key}}:{{value}}</div>
                            </small>
                        </div>
                    </div>
                </div>
                <div class="versioninfo">
                    <hr />
                    gemma <a href="https://hg.intevation.de/gemma/file/tip">source-code</a> {{ version }}
                    <br />
                    Some data ©
                    <a href="https://www.openstreetmap.org/copyright">OpenSteetMap</a> contributors

                </div>
            </div>
        </div>
    </div>
</template>

<style lang="scss">
.features {
  max-height: $identify-height;
  overflow-y: auto;
  margin-bottom: $x-large-offset + $large-offset;
}
.versioninfo {
  font-size: 60%;
  position: absolute;
  bottom: $large-offset;
}
.identifymenu {
  position: relative;
  margin-right: $offset;
}
.identify {
  background-color: white;
  margin-left: $small-offset;
  opacity: $slight-transparent;
  text-align: left;
}

.identifycollapsed {
  min-height: $icon-height;
  width: $icon-width;
  transition: $transition-fast;
}

.identifyexpanded {
  width: $identify-width;
}

.minimizer {
  position: absolute;
  z-index: 2;
  right: 0;
  margin-top: $x-small-offset;
  border-radius: $border-radius;
  height: $icon-width;
  width: $icon-height;
}
</style>

<script>
import { mapState } from "vuex";
import { version } from "../../package.json";

export default {
  name: "identify",
  data() {
    return {
      collapsed: true
    };
  },
  computed: {
    ...mapState("mapstore", ["identifiedFeatures"]),
    identifyStyle() {
      return {
        "ui-element": true,
        card: true,
        identify: true,
        shadow: true,
        identifyexpanded: !this.collapsed,
        identifycollapsed: this.collapsed
      };
    },
    infoStyle() {
      return {
        info: true,
        "text-info":
          this.identifiedFeatures && this.identifiedFeatures.length > 0
      };
    },
    version() {
      return version; // version number from package.json
    }
  },
  methods: {
    collapse() {
      this.collapsed = !this.collapsed;
    },
    prepareProperties(feature) {
      // return dict object with propertyname:plainvalue prepared for display
      var properties = feature.getProperties();
      delete properties[feature.getGeometryName()];
      return properties;
    }
  }
};
</script>