const app = getApp();
import util from '../utils/util.js'

Page({
	data: {
		appAssetsUrl: app.appAssetsUrl,
		images: [],
		count: 6,
		addedCount: 0,
		params: {
			workId: '',
			stuId: util.getUserId(),
			phone: '',
			context: '',
			pictureUrl: '',
			stars: 0,
			isAnonymity: []
		},
	},
	onLoad(options) {
		const user = wx.getStorageSync("USER");
		this.setData({
			['params.workId']: options.workId,
			['params.phone']: user.phone
		})
	},
	chooseImage() {
		var that = this;
		wx.chooseImage({
			count: 6 - that.data.addedCount,
			sizeType: ['compressed'], // 可以指定是原图还是压缩图，默认二者都有
			sourceType: ['album', 'camera'], // 可以指定来源是相册还是相机，默认二者都有
			success: async function(res) {
				// 返回选定照片的本地文件路径列表，tempFilePath可以作为img标签的src属性显示图片
				// that.setData({
				// 	images: that.data.images.concat(res.tempFilePaths),
				// 	addedCount: that.data.addedCount + res.tempFilePaths.length,
				// });
				for(let i in res.tempFilePaths){
					try{
						let res2 = await that.uploadFile(res.tempFilePaths[i],i,res.tempFilePaths.length);
						if(res2.code == 0){
							that.setData({
								images: that.data.images.concat(res2.data),
								addedCount: that.data.addedCount + 1,
							});
						}
					}catch(e){
						
					}
				}
			}
		})
	},
	//微信限制了只能一次上传一个文件,并且不能同时上传,所以用promise封装
	uploadFile(path,index,total){
		return new Promise((resolve,reject)=>{
			wx.showLoading({
				title: `正在上传 (${index*1+1}/${total})`
			})
      wx.uploadFile({
      	url: app.apiRoot + 'file/upload', //仅为示例，非真实的接口地址
      	filePath: path, //数据来源
      	name: 'file',
      	header: {},
      	formData: {
      		file: path,
      	},
      	success(res) {
					let resObj = JSON.parse(res.data);
					resolve(resObj);
					wx.hideLoading();
      	},
      	fail(err) {
					reject(err);
					wx.hideLoading();
      		wx.showToast({
      			title: '上传失败',
      			icon: 'fail'
      		})
      	},
      })
    })
	},
	// 删除图片
	deleteImage(e) {
		this.data.images.splice(e.detail, 1)
		this.setData({
			images: this.data.images,
			addedCount: this.data.addedCount - 1
		})
	},
	clickStar(e) {
		this.setData({
			params: {
				...this.data.params,
				stars: e.currentTarget.dataset.stars
			}
		})
	},
	radioChange(e) {
		this.setData({
			['params.isAnonymity']: e.detail.value
		})
	},
	inputContext(e){
		this.setData({
			['params.context']: e.detail.value
		})
	},
	submit(){
		if(this.data.params.context === ''){
			wx.showToast({
				title: '请填写您的评价',
				icon: 'none'
			})
			return ;
		}
		if(this.data.params.stars <= 0){
			wx.showToast({
				title: '请选择星级',
				icon: 'none'
			})
			return ;
		}
		wx.showLoading({
			title: '提交中...',
		})
		app._post_form('appraise', '', {
				...this.data.params,
				pictureUrl: this.data.images.length>0?this.data.images.join(','):'',
				isAnonymity: this.data.params.isAnonymity.length>0
			},
			function(res) {
				if (res.code == 0) {
					wx.showToast({
						title: '评价成功',
						icon: 'none'
					})
					//上一个页面对象
					let pages = getCurrentPages();
					let prevpage = pages[pages.length - 2];
					prevpage.loadList(true);
					setTimeout(()=>{
						wx.navigateBack({
							delta:1
						})
					},1000)
				}
			})
	}
})