<template>
  <h2>{{ $t('socialnetwork.vocab.title') }}</h2>

  <div class="box">
    <p>{{ $t('socialnetwork.vocab.description') }}</p>

    <div class="actions">
      <button @click="goNewLanguage">{{ $t('socialnetwork.vocab.newLanguage') }}</button>
      <button @click="goCourses">{{ $t('socialnetwork.vocab.courses.title') }}</button>
    </div>

    <div v-if="loading">{{ $t('general.loading') }}</div>
    <div v-else>
      <div v-if="languages.length === 0">
        {{ $t('socialnetwork.vocab.none') }}
      </div>
      <ul v-else>
        <li v-for="l in languages" :key="l.id">
          <span class="langname" @click="openLanguage(l.id)">{{ l.name }}</span>
          <span class="role" v-if="l.isOwner">({{ $t('socialnetwork.vocab.owner') }})</span>
          <span class="role" v-else>({{ $t('socialnetwork.vocab.subscribed') }})</span>
        </li>
      </ul>
    </div>
  </div>
</template>

<script>
import { mapGetters } from 'vuex';
import apiClient from '@/utils/axios.js';

export default {
  name: 'VocabTrainerView',
  data() {
    return {
      loading: false,
      languages: [],
    };
  },
  computed: {
    ...mapGetters(['user']),
  },
  methods: {
    goNewLanguage() {
      this.$router.push('/socialnetwork/vocab/new');
    },
    goCourses() {
      this.$router.push('/socialnetwork/vocab/courses');
    },
    openLanguage(id) {
      this.$router.push(`/socialnetwork/vocab/${id}`);
    },
    async load() {
      this.loading = true;
      try {
        const res = await apiClient.get('/api/vocab/languages');
        this.languages = res.data?.languages || [];
      } catch (e) {
        console.error('Konnte Vokabel-Sprachen nicht laden:', e);
      } finally {
        this.loading = false;
      }
    },
  },
  mounted() {
    this.load();
  },
};
</script>

<style scoped>
.box {
  background: #f6f6f6;
  padding: 12px;
  border: 1px solid #ccc;
}
.actions {
  margin: 10px 0;
}
.langname {
  cursor: pointer;
  text-decoration: underline;
}
.role {
  margin-left: 6px;
  color: #666;
}
</style>


