const { get } = require("../../utils/api");
const { showError } = require("../../utils/page-helpers");

function formatDateTime(value) {
  if (!value) return "";
  return String(value).replace("T", " ").slice(0, 16);
}

Page({
  data: {
    id: null,
    item: null,
    loading: false
  },

  onLoad(options) {
    wx.setNavigationBarTitle({ title: "公告详情" });
    this.setData({ id: options.id || null });
    this.load(options.id);
  },

  async onPullDownRefresh() {
    await this.load(this.data.id);
    wx.stopPullDownRefresh();
  },

  async load(id) {
    if (!id) return;
    this.setData({ loading: true });
    try {
      const item = await get(`/api/announcements/${id}`);
      this.setData({
        item: {
          ...item,
          created_at_text: formatDateTime(item.created_at),
          updated_at_text: formatDateTime(item.updated_at)
        }
      });
    } catch (error) {
      showError(error, "加载公告失败");
    } finally {
      this.setData({ loading: false });
    }
  }
});