<template>
<div>
  <Common :sidebar="false" :isComment="false">
    <ul class="timeline-wrapper">
      <ModuleTransition >
        <li v-show="recoShowModule" class="desc">Yesterday Once More!</li>
      </ModuleTransition>
      <ModuleTransition
        :delay="String(0.08 * (index + 1))"
        v-for="(item, index) in $recoPostsForTimeline"
        :key="index">
        <li v-show="recoShowModule">
          <h3 class="year">{{item.year}}</h3>
          <ul class="year-wrapper">
            <li v-for="(subItem, subIndex) in item.data" :key="subIndex">
              <span class="date">{{subItem.frontmatter.date | dateFormat}}</span>
              <span class="title" @click="go(subItem.path)">{{subItem.title}}</span>
            </li>
          </ul>
        </li>
      </ModuleTransition>
    </ul>
  </Common>
</div>

</template>

<script>
import Common from '@theme/components/Common'
import ModuleTransition from '@theme/components/ModuleTransition'
import moduleTransitonMixin from '@theme/mixins/moduleTransiton'

export default {
  mixins: [moduleTransitonMixin],
  name: 'TimeLine',
  components: { Common, ModuleTransition },
  filters: {
    dateFormat (date, type) {
      function renderTime (date) {
        const dateee = new Date(date).toJSON()
        return new Date(+new Date(dateee) + 8 * 3600 * 1000).toISOString().replace(/T/g, ' ').replace(/\.[\d]{3}Z/, '').replace(/-/g, '/')
      }
      date = renderTime(date)
      const dateObj = new Date(date)
      const mon = dateObj.getMonth() + 1
      const day = dateObj.getDate()
      return `${mon}-${day}`
    }
  },
  methods: {
    go (url) {
      this.$router.push({ path: url })
    }
  }
}
</script>

<style src="../styles/theme.styl" lang="stylus"></style>

<style lang="stylus" scoped>
@require '../styles/wrapper.styl'

.timeline-wrapper
  box-sizing border-box
  max-width: $contentWidth;
  margin: 8rem auto 4rem;
  position relative
  list-style none
  &::after {
    content: " ";
    position: absolute;
    top: 14px;
    left: 0;
    z-index: -1;
    margin-left: -2px;
    width: 4px;
    height: 100%;
    background: var(--border-color);
  }
  .desc, .year {
    position: relative;
    color var(--text-color);
    font-size 16px
    &:before {
      content: " ";
      position: absolute;
      z-index 2;
      left: -20px;
      top: 50%;
      margin-left: -4px;
      margin-top: -4px;
      width: 8px;
      height: 8px;
      background: var(--background-color);
      border: 1px solid var(--border-color);
      border-radius: 50%;
    }
  }
  .year {
    margin: 80px 0 0px;
    color var(--text-color);
    font-weight: 700;
    font-size 26px
  }
  .year-wrapper {
    padding-left 0!important
    li {
      display flex
      padding 30px 0 10px
      list-style none
      border-bottom: 1px dashed var(--border-color);
      position relative
      &:hover {
        .date {
          color $accentColor
          &::before {
            background $accentColor
          }
        }
        .title {
          color $accentColor
        }
      }
      .date {
        width 40px
        line-height 30px
        color $textColorSub
        font-size 12px
        &::before {
          content: " ";
          position: absolute;
          left: -19px;
          top: 41px;
          width: 6px;
          height: 6px;
          margin-left: -4px;
          background: var(--background-color);
          border-radius: 50%;
          border: 1px solid var(--border-color);
          z-index 2
        }
      }
      .title {
        line-height 30px
        color $textColorSub
        font-size 16px
        cursor pointer
      }
    }
  }
@media (max-width: $MQMobile)
  .timeline-wrapper
    margin: 0 1.2rem;
</style>
