<template>
  <Article
    ref="article"
    type="article"
    :thumbs="articleThumbList"
    :on-fetch="onFetch"
    :pos-id="sceneId"
    :user-uid="userUid">
  </Article>
</template>

<script>
import {get} from 'lodash';
import Article from './components/article/article';
import ArticleItem from './components/article/article-item';
import {createNamespacedHelpers} from 'vuex';
import YAS from 'utils/yas-constants';
const {mapState, mapActions} = createNamespacedHelpers('article');

export default {
  name: 'ArticlePage',
  data() {
    return {
      page: 1,
      id: 0,
      sceneId: YAS.scene.list,
      userUid: -1
    };
  },
  created() {
    this.id = +this.$route.params.id;

    this.loadPreData();
  },
  activated() {
    if (+this.$route.params.id !== this.id) {
      this.init();
    }
  },
  async serverPrefetch() {
    const articleId = parseInt(this.id, 10);

    if (!articleId) {
      return;
    }
    return this.fetchArticleList({
      articleId,
      limit: 2,
      thumb: true
    });
  },
  computed: {
    ...mapState(['articleThumbList'])
  },
  methods: {
    ...mapActions(['fetchArticleList', 'fetchArticleProductFavs']),
    loadPreData() {
      if (!this.$isServer && this.$yoho.isLocal) {
        this.fetchArticleList({
          articleId: this.id,
          thumb: true,
          local: true
        });
      }
    },
    init() {
      this.page = 1;
      this.$refs.article.init();
    },
    async onFetch() {
      const articleId = parseInt(this.id, 10);

      if (!articleId) {
        return;
      }
      const result = await this.fetchArticleList({
        articleId,
        page: this.page,
      });

      if (result.code === 200) {
        if (get(result, 'data.detailList', []).length) {
          this.page++;
          this.$sdk.getUser().then(user => {
            if (user && user.uid) {
              this.userUid = +user.uid;
              this.fetchArticleProductFavs({
                articles: result.data.detailList
              });
            }
          });
          return Promise.resolve(result.data.detailList);
        }
        return Promise.resolve(false);
      } else {
        this.$createToast && this.$createToast({
          txt: result.message || '服务器开小差了',
          type: 'warn',
          time: 1000
        }).show();
      }
    }
  },
  components: {
    Article,
    ArticleItem
  }
};
</script>

<style lang="scss" scoped>
.article-page {
  background-color: #f0f0f0;
}
</style>