<script>
  import { mapActions } from 'vuex';
  import timeAgoTooltip from '../../vue_shared/components/time_ago_tooltip.vue';

  export default {
    props: {
      author: {
        type: Object,
        required: true,
      },
      createdAt: {
        type: String,
        required: true,
      },
      actionText: {
        type: String,
        required: false,
        default: '',
      },
      actionTextHtml: {
        type: String,
        required: false,
        default: '',
      },
      noteId: {
        type: Number,
        required: true,
      },
      includeToggle: {
        type: Boolean,
        required: false,
        default: false,
      },
    },
    data() {
      return {
        isExpanded: true,
      };
    },
    components: {
      timeAgoTooltip,
    },
    computed: {
      toggleChevronClass() {
        return this.isExpanded ? 'fa-chevron-up' : 'fa-chevron-down';
      },
      noteTimestampLink() {
        return `#note_${this.noteId}`;
      },
    },
    methods: {
      ...mapActions([
        'setTargetNoteHash',
      ]),
      handleToggle() {
        this.isExpanded = !this.isExpanded;
        this.$emit('toggleHandler');
      },
      updateTargetNoteHash() {
        this.setTargetNoteHash(this.noteTimestampLink);
      },
    },
  };
</script>

<template>
  <div class="note-header-info">
    <a :href="author.path">
      <span class="note-header-author-name">
        {{author.name}}
      </span>
      <span class="note-headline-light">
        @{{author.username}}
      </span>
    </a>
    <span class="note-headline-light">
      <span class="note-headline-meta">
        <template v-if="actionText">
          {{actionText}}
        </template>
        <span
          v-if="actionTextHtml"
          v-html="actionTextHtml"
          class="system-note-message">
        </span>
        <a
          :href="noteTimestampLink"
          @click="updateTargetNoteHash"
          class="note-timestamp">
          <time-ago-tooltip
            :time="createdAt"
            tooltip-placement="bottom"
            />
        </a>
        <i
          class="fa fa-spinner fa-spin editing-spinner"
          aria-label="Comment is being updated"
          aria-hidden="true">
        </i>
      </span>
    </span>
    <div
      v-if="includeToggle"
      class="discussion-actions">
      <button
        @click="handleToggle"
        class="note-action-button discussion-toggle-button js-vue-toggle-button"
        type="button">
          <i
            :class="toggleChevronClass"
            class="fa"
            aria-hidden="true">
          </i>
          Toggle discussion
      </button>
    </div>
  </div>
</template>
