const { getLayout } = require('../../utils/layout');
// pages/albums/albums.js
const { api, getImageUrl } = require('../../utils/request');
Page({
  onResize: function() { this.setData(getLayout()); },
  data: {
    loading: true, loadError: false,
    albums: [], uploadMode:false,
    showMoreModal: false,
    showEditModal: false,
    currentAlbum: null,
    editForm: { title: '', desc: '' }
  },

  onLoad: function(options) {
    this.setData(getLayout());
    this.setData({uploadMode: !!(options && options.upload === '1')});
  },

  onShow: function() {
    this.loadAlbums();
  },

  onPullDownRefresh: async function() {
    await this.loadAlbums();
    wx.stopPullDownRefresh();
  },

  // 分享到好友
  onShareAppMessage: function() {
    return {
      title: '让所有的爱有迹可循',
      path: '/pages/albums/albums',
      imageUrl: '/images/share.png'
    };
  },
  // 分享到朋友圈
  onShareTimeline: function() {
    return {
      title: '让所有的爱有迹可循',
      imageUrl: '/images/share.png'
    };
  },



  noop: function() {},

  loadAlbums: async function() {
    if (this._loading) return;
    this._loading = true;
    this.setData({ loading: true, loadError: false });
    try {
      var list = await api.albumList(null, 'GET', true);
      list = (list || []).map(function(a) {
        a.cover = getImageUrl(a.cover);
        a.photo_count = a.photo_count || 0;
        // 地理位置：优先显示地址名称，其次显示经纬度
        a.location_text = a.location || ((a.lat && a.lng) ? (a.lat + ', ' + a.lng) : '');
        return a;
      });
      this.setData({ albums: list });
    } catch(e) { console.error(e); this.setData({ loadError: true }); } finally { this._loading = false; this.setData({ loading: false }); }
  },

  openAlbum: function(e) {
    var id = e.currentTarget.dataset.id;
    wx.navigateTo({ url: '/pages/album/album?album_id=' + id + (this.data.uploadMode ? '&upload=1' : '') });
  },

  // 显示更多菜单
  showMoreMenu: function(e) {
    var id = e.currentTarget.dataset.id;
    var title = e.currentTarget.dataset.title || '默认相册';
    var desc = e.currentTarget.dataset.desc || '';
    var cover = e.currentTarget.dataset.cover || '';
    this.setData({
      showMoreModal: true,
      currentAlbum: { id: id, title: title, description: desc, cover: cover }
    });
  },

  hideMoreMenu: function() {
    this.setData({ showMoreModal: false });
  },

  // 编辑相册
  editAlbum: function() {
    var album = this.data.currentAlbum;
    if (!album) return;
    this.setData({
      showMoreModal: false,
      showEditModal: true,
      editForm: { title: album.title, desc: album.description || '' }
    });
  },

  hideEditModal: function() {
    this.setData({ showEditModal: false });
  },

  onEditTitleInput: function(e) { this.setData({ 'editForm.title': e.detail.value }); },
  onEditDescInput: function(e) { this.setData({ 'editForm.desc': e.detail.value }); },

  saveAlbumEdit: async function() {
    var self = this;
    var album = this.data.currentAlbum;
    if (!album) return;
    var title = this.data.editForm.title;
    if (!title) { wx.showToast({ title: '请输入相册标题', icon: 'none' }); return; }
    try {
      wx.showLoading({ title: '保存中...' });
      await api.albumUpdate({
        id: album.id,
        title: title,
        description: this.data.editForm.desc || '',
        // 保留原有地理位置
        lat: album.lat || 0,
        lng: album.lng || 0,
        location: album.location || ''
      });
      wx.hideLoading();
      wx.showToast({ title: '已保存 ✨', icon: 'success' });
      this.hideEditModal();
      this.loadAlbums();
    } catch(e) {
      wx.hideLoading();
      wx.showToast({ title: e.error || '保存失败', icon: 'none' });
    }
  },

  // 删除相册
  deleteAlbum: function() {
    var self = this;
    var album = this.data.currentAlbum;
    if (!album) return;
    // 从相册列表中查找照片数量
    var albums = this.data.albums;
    var targetAlbum = albums.find(function(a) { return String(a.id) === String(album.id); });
    var count = targetAlbum ? (targetAlbum.photo_count || 0) : 0;
    var title = album.title || '该相册';
    
    this.setData({ showMoreModal: false });
    
    if (count > 0) {
      wx.showModal({
        title: '无法删除',
        content: '「' + title + '」中还有 ' + count + ' 张照片，请先删除里面的全部照片后再删除相册',
        showCancel: false,
        confirmText: '知道了'
      });
      return;
    }
    wx.showModal({
      title: '确认删除',
      content: '确定要删除「' + title + '」吗？',
      success: function(res) {
        if (res.confirm) {
          wx.showLoading({ title: '删除中...' });
          api.albumDelete({ id: album.id }).then(function() {
            wx.hideLoading();
            wx.showToast({ title: '已删除', icon: 'success' });
            self.loadAlbums();
          }).catch(function(err) {
            wx.hideLoading();
            wx.showToast({ title: err.error || '删除失败', icon: 'none' });
          });
        }
      }
    });
  },  goToPublish: function() { wx.navigateTo({ url: '/pages/publish/publish?type=album' }); },

  goHome: function() { wx.redirectTo({ url: '/pages/index/index' }); },
  goBack: function() { wx.navigateBack(); },
  goToProfile: function() { wx.redirectTo({ url: '/pages/profile/profile' }); }
  });