<!-- eslint-disable -->
<template>
  <div class = "header">
    <h2>
    <router-link tabindex="0" 
                 :id="title_id" 
                 :to="$parent.link_to_self.ref" 
                 @click.native="$parent.details_click($parent.link_to_self)"
                 v-bind:class="{'long_lemma': long_lemma}"
                 class="article_header">
    <span v-for="(lemma, index) in lemmas" 
          :key="index">{{lemma.lemma}}<!--
          --><span :aria-label="'Betydning nummer ' + hgno_arabic" 
                   :title="'Betydning nummer '+hgno_arabic"
                   class="hgno">{{" "+roman_hgno(lemma)}}</span><span 
                   class="title_comma" 
                   v-if="lemmas[1] && index < lemmas.length-1">{{", "}}
                  </span>
    </span>
    </router-link></h2>
    <span class="dict-label">{{dict_label}}</span>
    <h2 class="secondary_header" 
        v-if="secondary_header_text.length">{{secondary_header_text}}</h2>
    <span class="header_group_list" 
          v-if="group_list.length">{{group_list}}</span>
    <span v-if="$store.state.showInflectionNo">{{inflection_classes}}</span>

    <span v-if="split_inf"> (kløyvd infinitiv: <em>-a</em>
      <v-menu tile 
              v-model="menu" 
              offset-x max-width="200px">
        <template v-slot:activator="{ on, attrs }">
          <v-btn aria-label="Mer informasjon om kløyvd infinitiv" 
                 x-small
                 icon 
                 v-on="on" 
                 v-bind="attrs" 
                 class="info-button">
            <v-icon color="primary" 
                    size="14px">$vuetify.icons.value.info</v-icon>
          </v-btn>
        </template>
        <v-card tile 
                class="info-card">
          Dersom du bruker kløyvd infinitiv, skal dette verbet ha <em>-a</em> i infinitiv. Les meir
          <a target="_blank" 
             href="https://www.sprakradet.no/svardatabase/sporsmal-og-svar/kloyvd-infinitiv-/">her</a>.
        </v-card>
      </v-menu>)
    </span>
    <span v-if="$parent.collapsed && $parent.snippet && $parent.has_content" class="definition_snippet">
    {{group_list.length? "| ":""}}{{$parent.snippet}}
    </span>                <span v-if="$parent.collapsable" >
          <v-btn class="expand_icon"
           :title="$parent.collapsed? 'Vis mer' : 'Kollaps'"
           :aria-label="$parent.collapsed? 'Vis mer' : 'Kollaps'"
           text
           small
           @click="$parent.collapsed=!$parent.collapsed">
           <v-icon small>{{$parent.collapsed ? 'expand_more': 'expand_less'}}</v-icon></v-btn></span> 
  </div>
</template>

<script>
  /* eslint-disable */
import helpers from '../utils/helpers.js'

export default {
  name: 'Header',
  props: {
    lemmas: Array,
    dictionary: String,
    article_id: Number,
    title_id: String
  },
    data: function() {
    return {
      menu: false,
      long_lemma: false
    }
  },
  mounted: function() {

    //console.log(this.$refs[this.title_id])
    //console.log(document.getElementById(this.title_id).offsetWidth, document.getElementById(this.title_id).scrollWidth)
    if (this.$el.scrollWidth > this.$el.offsetWidth) {
      this.long_lemma = true
    }

  },
  methods: {
    roman_hgno: helpers.roman_hgno

  },
  computed: {
    secondary_header_text: function() {
      let a_forms = []
      this.lemmas.forEach((lemma, i) => {
        if (lemma.paradigm_info[0] && lemma.paradigm_info[0].inflection_group == 'VERB') {
          let inf2 = lemma.paradigm_info[0].inflection[1] && lemma.paradigm_info[0].inflection[1].word_form
          if (inf2 && inf2.length) {
            a_forms.push(inf2)
          }
        }
      });
      return a_forms.join(', ')
    },
    dict_label: function() {
      return {
        'bm': 'bokmålsordboka',
        'nn': 'nynorskordboka'
      }[this.dictionary] || ''
    },
    hgno_arabic: function() {
    let hgnos = []
    this.lemmas.forEach(lemma => {
      let hgint = parseInt(lemma.hgno)
      if (hgint > 0) {
        hgnos.push(hgint)
        }
    })
    return hgnos.join(", ")
    },
    group_list: function() {
      return helpers.group_list(this.lemmas, this.dictionary)
    },
    inflection_classes: function() {
      let inf_classes = new Set()
      let ureg = false
      this.lemmas.forEach((lemma, i) => {

           if (lemma.inflection_class) inf_classes.add(lemma.inflection_class)
           else ureg = true

      })
      if (inf_classes.size){

      let class_array = Array.from(inf_classes).sort()
      if (ureg) class_array.push("ureg.")
      let class_list
      if (class_array.length < 3) {
        class_list = class_array.join(" og ")
      }
      else {
        class_list = class_array.slice(0, -1).join(", ") + " og " + class_array[class_array.length -1]
      }

      return " ("+ class_list +")"
      }
    },
    inflection_groups_by_lemma: function() {
      let components = Object.keys(this.$options.components)
      return this.lemmas.map(
        function(lemma_){
          let inflection_groups = lemma_.paradigm_info.reduce((acc, std) =>  Object.assign(acc, {[std.inflection_group]: []}), {})
          lemma_.paradigm_info.forEach(std => inflection_groups[std.inflection_group].push(std))
          return {
            lemma: lemma_.lemma,
            inflection_groups: Object.fromEntries(Object.entries(inflection_groups).filter(e => components.includes(e[0].replace('/', '_'))))
          }
        }
      )
    },
    split_inf: function() {
      return this.lemmas[0].split_inf
    }
  }
}

</script>

<style>


article h2 {
  padding-top: 4px;
  padding-bottom: 0px;
  font-family: Inria Serif;
  font-size: 30px;
}

article h2.secondary_header {
  padding-top: 0px;
  padding-bottom: 4px;
}

.info-button {
  margin-left: 6px;
  margin-right: -2px;
  height: 10px;
  width: 10px;
}

.word-classification {
  text-decoration: underline dashed;
}

.dict-label {
  color: var(--v-primary-base)  ;
  font-weight: bold;
  position: absolute;
  top: 0px;
  left: 24px;
  font-variant-caps: all-small-caps;
}



div.lemma {
  display: none;
}



.article_header {
  text-decoration: none;
  overflow:auto;
  word-wrap: normal;
}

.long_lemma {
  font-size: 60% !important;

}

.hgno {
  color: var(--v-text-base) !important;
  font-family: unset;
  font-size: 16px;
  font-weight: normal;
}


.expand_icon {
    justify-content: center;
    position: absolute;
    bottom: 0px;
    left: 0px;
    padding-right: 24px !important;
    width: 100%;
    border-bottom-right-radius: 28px;
    border-bottom-left-radius: 28px;
}

</style>