var app = getApp()

Page({
  data: {
    items: [],
    newItemName: ""
  },

  onShow: function () {
    this.setData({ items: app.globalData.items })
  },

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

  onAddItem: function () {
    var name = this.data.newItemName.trim()
    if (!name) {
      wx.showToast({ title: "请输入项目名称", icon: "none" })
      return
    }
    if (app.globalData.items.indexOf(name) > -1) {
      wx.showToast({ title: "该项目已存在", icon: "none" })
      return
    }
    app.addItem(name)
    this.setData({
      items: app.globalData.items,
      newItemName: ""
    })
    wx.showToast({ title: "已添加", icon: "success", duration: 1000 })
  },

  onDeleteItem: function (e) {
    var item = e.currentTarget.dataset.item
    var that = this
    wx.showModal({
      title: "确认删除",
      content: "确定删除项目「" + item + "」吗？\n该项目的所有历史数据也将被删除。",
      confirmColor: "#e53e3e",
      success: function (res) {
        if (!res.confirm) return
        app.removeItem(item)
        that.setData({ items: app.globalData.items })
        wx.showToast({ title: "已删除", icon: "success", duration: 1000 })
      }
    })
  }
})