const app = getApp()

Page({
  data: {
    name: '',
    description: '',
    price: 0,
    imageUrl: ''
  },

  onNameInput: function(e) {
    this.setData({
      name: e.detail.value
    })
  },

  onDescInput: function(e) {
    this.setData({
      description: e.detail.value
    })
  },

  onPriceInput: function(e) {
    this.setData({
      price: e.detail.value
    })
  },

  chooseImage: function() {
    wx.chooseImage({
      count: 1,
      sizeType: ['compressed'],
      sourceType: ['album', 'camera'],
      success: (res) => {
        this.setData({
          imageUrl: res.tempFilePaths[0]
        })
      }
    })
  },

  submit: function() {
    if (!this.data.name) {
      wx.showToast({
        title: '请输入物品名称',
        icon: 'none'
      })
      return
    }

    const newItem = {
      id: Date.now().toString(),
      name: this.data.name,
      description: this.data.description,
      imageUrl: this.data.imageUrl,
      createTime: new Date().toISOString()
    }

    // 更新全局数据
    app.globalData.items.unshift(newItem)
    wx.setStorageSync('items', app.globalData.items)

    wx.showToast({
      title: '添加成功',
      icon: 'success',
      duration: 2000,
      success: () => {
        setTimeout(() => {
          wx.navigateBack()
        }, 2000)
      }
    })
  },

  goBack: function () {
    wx.navigateBack({
      delta: 1,
      success: function(res) {

      },
      fail: function(err) {
        console.log(err)
      }
    })
  }
})