<template>
	<view class="page">
		<view class="feedback-title">
			<text>问题和意见</text>
			<text class="feedback-quick" @tap="chooseMsg">快速键入</text>
		</view>
		<view class="feedback-body"><textarea placeholder="请详细描述你的问题和意见..." v-model="sendDate.content"
				class="feedback-textare"></textarea></view>
		<view class="feedback-title"><text>图片(选填,提供问题截图,总大小10M以下)</text></view>
		<view class="feedback-body feedback-uploader">
			<view class="uni-uploader">
				<view class="uni-uploader-head">
					<view class="uni-uploader-title">点击预览图片</view>
					<view class="uni-uploader-info">{{ imageList.length }}/5</view>
				</view>
				<view class="uni-uploader-body">
					<view class="uni-uploader__files">
						<block v-for="(image, index) in imageList" :key="index">
							<view class="uni-uploader__file" style="position: relative;">
								<image class="uni-uploader__img" :src="image" @tap="previewImage(index)"></image>
								<view class="close-view" @click="close(index)">x</view>
							</view>
						</block>
						<view class="uni-uploader__input-box" v-show="imageList.length < 5">
							<view class="uni-uploader__input" @tap="chooseImg"></view>
						</view>
					</view>
				</view>
			</view>
		</view>
		<view class="feedback-title"><text>联系方式（手机或者邮箱）</text></view>
		<view class="feedback-body"><input class="feedback-input" v-model="sendDate.contact"
				placeholder="(选填,方便我们联系你 )" /></view>
		<view class="feedback-title feedback-star-view">
			<text>应用评分</text>
			<view class="feedback-star-view">
				<uni-rate v-model="sendDate.score" color="#bbb"></uni-rate>
			</view>
		</view>
		<button type="default" class="feedback-submit" @tap="send">提交</button>
	</view>
</template>
<script>
	export default {
		components: {},
		data() {
			return {
				msgContents: ['界面显示错乱，不兼容', '启动缓慢，运行卡顿', 'UI不好看', '偶发性崩溃','等待loading时间过长'],
				stars: [1, 2, 3, 4, 5],
				imageList: [],
				sendDate: {
					score: 0,
					content: '',
					contact: ''
				}
			};
		},
		onLoad() {
			this.deviceInfo = {
				// appid: plus.runtime.appid,
				appid: '__UNI__EEA6732',
				imei: plus.device.imei, //设备标识
				p: plus.os.name === 'Android' ? 'a' : 'i', //平台类型，i表示iOS平台，a表示Android平台。
				md: plus.device.model, //设备型号
				app_version: plus.runtime.version,
				plus_version: plus.runtime.innerVersion, //基座版本号
				os: plus.os.version,
				net: '' + plus.networkinfo.getCurrentType()
			};
			this.sendDate = Object.assign(this.deviceInfo, this.sendDate);
		},
		methods: {
			/**
			 * 关闭图片
			 * @param {Object} e
			 */
			close(e) {
				this.imageList.splice(e, 1);
			},

			/**
			 * 快速输入
			 */
			chooseMsg() {
				uni.showActionSheet({
					itemList: this.msgContents,
					success: res => {
						this.sendDate.content = this.msgContents[res.tapIndex];
					}
				});
			},

			/**
			 * 选择图片
			 */
			chooseImg() {
				//选择图片
				uni.chooseImage({
					sourceType: ['camera', 'album'],
					sizeType: 'compressed',
					count: 5 - this.imageList.length,
					success: res => {
						this.imageList = this.imageList.concat(res.tempFilePaths);
					}
				});
			},

			/**
			 * 评分
			 * @param {Object} e
			 */
			chooseStar(e) {
				//点击评星
				this.sendDate.score = e;
			},
			/**
			 * 预览图片
			 * @param {Object} index
			 */
			previewImage(index) {
				uni.previewImage({
					urls: this.imageList,
					current: this.imageList[index]
				});
			},

			/**
			 * 提交
			 */
			send() {
				//发送反馈
				if (this.sendDate.content.length === 0) {
					uni.showModal({
						content: '请输入问题和意见',
						showCancel: false
					});
					return;
				}
				uni.showLoading({
					title: '上传中...'
				});
				let imgs = this.imageList.map((value, index) => {
					return {
						name: 'images' + index,
						uri: value
					};
				});
				// TODO 服务端限制上传文件一次最大不超过 2M, 图片一次最多不超过5张
				this.request(this.sendDate, imgs)
					.then(res => {
						if (typeof res.data === 'string') {
							res.data = JSON.parse(res.data);
						}
						if (res.statusCode === 200 && res.data && res.data.ret === 0) {
							uni.showModal({
								content: '反馈成功',
								showCancel: false
							});
							setTimeout(() => {
								uni.navigateBack({

								})
							}, 1000)

							this.imageList = [];
							this.sendDate = Object.assign(this.deviceInfo, {
								score: 0,
								content: '',
								contact: ''
							});
						} else if (res.statusCode !== 200) {
							uni.showModal({
								content: '反馈失败，错误码为：' + res.statusCode,
								showCancel: false
							});
						} else {
							uni.showModal({
								content: '反馈失败',
								showCancel: false
							});
						}
					})
					.catch(err => {
						console.log(err);
					});
			},

			/**
			 * 发送请求到后台
			 */
			request(sendDate, imgs) {
				return new Promise((resolve, reject) => {
					let fromData = {
						url: 'https://service.dcloud.net.cn/feedback',
						success: res => {
							resolve(res);
						},
						fail: res => {
							reject(res);
						},
						complete() {
							uni.hideLoading();
						}
					};

					if (imgs.length > 0) {
						fromData.files = imgs;
						fromData.formData = sendDate;
						uni.uploadFile(fromData);
					} else {
						fromData.data = sendDate;
						fromData.method = 'POST';
						uni.request(fromData);
					}
				});
			}
		}
	};
</script>

<style scoped>
	page {
		background-color: #efeff4;
	}

	.input-view {
		font-size: 28rpx;
	}

	/* 上传 */
	.uni-uploader {
		flex: 1;
		flex-direction: column;
	}

	.uni-uploader-head {
		display: flex;
		flex-direction: row;
		justify-content: space-between;
	}

	.uni-uploader-info {
		color: #B2B2B2;
	}

	.uni-uploader-body {
		margin-top: 16rpx;
	}

	.uni-uploader__files {
		display: flex;
		flex-direction: row;
		flex-wrap: wrap;
	}

	.uni-uploader__file {
		margin: 10rpx;
		width: 210rpx;
		height: 210rpx;
	}

	.uni-uploader__img {
		display: block;
		width: 210rpx;
		height: 210rpx;
	}

	.uni-uploader__input-box {
		position: relative;
		margin: 10rpx;
		width: 208rpx;
		height: 208rpx;
		border: 2rpx solid #D9D9D9;
	}

	.uni-uploader__input-box:before,
	.uni-uploader__input-box:after {
		content: " ";
		position: absolute;
		top: 50%;
		left: 50%;
		-webkit-transform: translate(-50%, -50%);
		transform: translate(-50%, -50%);
		background-color: #D9D9D9;
	}

	.uni-uploader__input-box:before {
		width: 4rpx;
		height: 79rpx;
	}

	.uni-uploader__input-box:after {
		width: 79rpx;
		height: 4rpx;
	}

	.uni-uploader__input-box:active {
		border-color: #999999;
	}

	.uni-uploader__input-box:active:before,
	.uni-uploader__input-box:active:after {
		background-color: #999999;
	}

	.uni-uploader__input {
		position: absolute;
		z-index: 1;
		top: 0;
		left: 0;
		width: 100%;
		height: 100%;
		opacity: 0;
	}

	/*问题反馈*/
	.feedback-title {
		display: flex;
		flex-direction: row;
		justify-content: space-between;
		align-items: center;
		padding: 20rpx;
		color: #8f8f94;
		font-size: 28rpx;
	}

	.feedback-star-view.feedback-title {
		justify-content: flex-start;
		margin: 0;
	}

	.feedback-quick {
		position: relative;
		padding-right: 40rpx;
	}

	.feedback-quick:after {
		font-family: uniicons;
		font-size: 40rpx;
		content: '\e581';
		position: absolute;
		right: 0;
		top: 50%;
		color: #bbb;
		-webkit-transform: translateY(-50%);
		transform: translateY(-50%);
	}

	.feedback-body {
		background: #fff;
	}

	.feedback-textare {
		height: 200rpx;
		font-size: 34rpx;
		line-height: 50rpx;
		width: 100%;
		box-sizing: border-box;
		padding: 20rpx 30rpx 0;
	}

	.feedback-input {
		font-size: 34rpx;
		height: 50rpx;
		min-height: 50rpx;
		padding: 15rpx 20rpx;
		line-height: 50rpx;
	}

	.feedback-uploader {
		padding: 22rpx 20rpx;
	}

	.feedback-star {
		font-family: uniicons;
		font-size: 40rpx;
		margin-left: 6rpx;
	}

	.feedback-star-view {
		margin-left: 20rpx;
	}

	.feedback-star:after {
		content: '\e408';
	}

	.feedback-star.active {
		color: #FFB400;
	}

	.feedback-star.active:after {
		content: '\e438';
	}

	.feedback-submit {
		background: #007AFF;
		color: #FFFFFF;
		margin: 20rpx;
	}

	.close-view {
		text-align: center;
		line-height: 14px;
		height: 16px;
		width: 16px;
		border-radius: 50%;
		background: #ff5053;
		color: #ffffff;
		position: absolute;
		top: -6px;
		right: -4px;
		font-size: 12px;
	}
</style>