import http from '../../../utils/api'
const baseUrl = require('../../../utils/baseUrl')

Page({
  data: {
    // 搜索文本
    searchText: '',
    baseUrl: baseUrl,
    // 当前选中的分类
    activeCategory: '',
    // 分类数据
    categories: [],
    // 经验分享列表
    experienceList: [],
    // 分页参数
    pageNum: 1,
    pageSize: 10,
    total: 0,
    // 加载状态
    loading: false,
    hasMore: true,
    // 搜索防抖定时器
    searchTimer: null
  },

  onLoad() {
    // 获取分类数据
    this.getCategories()
    // 获取经验分享列表
    this.getExperienceList(true)
  },

  // 获取经验分享列表
  getExperienceList(isRefresh = false) {
    if (this.data.loading) return
    
    const params = {
      pageNum: isRefresh ? 1 : this.data.pageNum,
      pageSize: this.data.pageSize
    }
    
    // 添加搜索关键词
    if (this.data.searchText) {
      params.searchKey = this.data.searchText.trim()
    }
    
    // 添加分类筛选
    if (this.data.activeCategory) {
      params.categoryName = this.data.activeCategory
    }
    
    this.setData({ loading: true })
    
    http.experience({
      data: params,
      success: res => {
        console.log('经验列表数据:', res)
        
        if (res.code === 200) {
          const newList = isRefresh ? res.rows : [...this.data.experienceList, ...res.rows]
          const total = res.total || 0
          const hasMore = newList.length < total
          
          this.setData({
            experienceList: newList,
            total: total,
            hasMore: hasMore,
            pageNum: isRefresh ? 2 : this.data.pageNum + 1,
            loading: false
          })
        } else {
          wx.showToast({
            title: res.msg || '加载失败',
            icon: 'none'
          })
          this.setData({ loading: false })
        }
      },
      fail: err => {
        console.error('请求失败:', err)
        wx.showToast({
          title: '网络错误，请重试',
          icon: 'none'
        })
        this.setData({ loading: false })
      }
    })
  },

  // 获取分类数据
  getCategories() {
    http.experiencezd({
      data: {
        categoryName: 'category_id'
      },
      success: res => {
        console.log('分类数据:', res)
        if (res.code === 200) {
          this.setData({
            categories: res.data || []
          })
        }
      },
      fail: err => {
        console.error('获取分类失败:', err)
      }
    })
  },

  // 处理搜索输入（带防抖）
  onSearchInput(e) {
    const searchText = e.detail.value
    
    this.setData({
      searchText: searchText
    })
    
    // 清除之前的定时器
    if (this.data.searchTimer) {
      clearTimeout(this.data.searchTimer)
    }
    
    // 设置新的定时器，500ms后执行搜索
    const timer = setTimeout(() => {
      this.handleSearch()
    }, 500)
    
    this.setData({
      searchTimer: timer
    })
  },

  // 搜索确认
  onSearchConfirm() {
    if (this.data.searchTimer) {
      clearTimeout(this.data.searchTimer)
    }
    this.handleSearch()
  },

  // 执行搜索
  handleSearch() {
    this.setData({
      pageNum: 1,
      hasMore: true
    })
    this.getExperienceList(true)
  },

  // 清空搜索
  clearSearch() {
    this.setData({
      searchText: '',
      pageNum: 1,
      hasMore: true
    })
    this.getExperienceList(true)
  },

  // 分类点击事件
  onCategoryTap(e) {
    const categoryId = e.currentTarget.dataset.id
    
    if (this.data.activeCategory === categoryId) {
      return
    }
    
    this.setData({
      activeCategory: categoryId,
      pageNum: 1,
      hasMore: true
    })
    
    this.getExperienceList(true)
  },

  // 滚动到底部加载更多
  onScrollToLower() {
    if (!this.data.loading && this.data.hasMore) {
      this.getExperienceList()
    }
  },

  // 点击加载更多
  loadMoreData() {
    if (!this.data.loading && this.data.hasMore) {
      this.getExperienceList()
    }
  },

  // 经验分享点击事件
  onExperienceTap(e) {
    const id = e.currentTarget.dataset.id
  
    wx.navigateTo({
      url: `/pagesB/pages/experienceDetails/experienceDetails?id=${id}`,
    })
  },

  onUnload() {
    // 清理定时器
    if (this.data.searchTimer) {
      clearTimeout(this.data.searchTimer)
    }
  }
})