<template>
	<view class="releaseContainer">
		<u-navbar bgColor="transparent" @leftClick="goBack" placeholder fixed :title="navbarTitle" :is-back="false" :border-bottom="false">
			<view slot="right">
				<u-button 
				:custom-style="customBtnStyle" 
					size="mini" 
					:loading="btnLoading" 
					:disabled="submitFlag"
					:type="submitFlag?'info ':'success'" 
					@click="releaseFriendCircle()">
					发表
				</u-button>
			</view>
		</u-navbar>
		<view class="content">
			<!-- 文字输入内容区 -->
			<scroll-view  @scroll="hiddenInput" class="input-box" :scroll-top="inputScrollTop" :scroll-with-animation="inputAnimation"
				:style="'max-height:'+300+'rpx;width:'+(winWidth-30)+'px'"
				:scroll-x="false" :scroll-y="true">
				<textarea class="input" :auto-height="true" placeholder-style="color:#DDDDDD;"  placeholder="这一刻的想法..."
					:adjust-position="true" :auto-blur="true" @linechange="inputLineChange" @input="inputing" 
					:confirm-hold="true" :show-confirm-bar="false"
					:focus="inputFocusFlag" :disable-default-padding="true"
					v-model="content" :cursor="content.length" :maxlength="-1" />	
			</scroll-view>
			<!-- 文件选择区 -->	
			<view v-if="releaseType!=0"  class="uploadBox">
				<u-grid :col="3" :border="false" hover-class="none">
					<template v-if="tempFilePaths.length>0">
						<u-grid-item v-for="(item,index) in tempFilePaths" :index="index" :custom-style="girdItemCustomStyle">
							<view @click="delTempFile(index)"
								style="width: 200rpx; display: flex; flex-direction: row;align-items: flex-start;justify-content: flex-end;position: relative;left: 32rpx;top:32rpx; z-index: 999;">
								 <u-icon name="close-circle" size="32" color="#fa3534"></u-icon>
							</view>
							<view @click="previewFile(index)" class="slot-btn" hover-class="slot-btn__hover">
								<u-image :src="cdn(item)" width="198rpx" height="198rpx" mode="aspectFill" border-radius="10"></u-image>
							</view>	
						</u-grid-item>
					</template>
					<template v-if="(tempFilePaths.length<9&&releaseType==1)||(tempFilePaths.length<1&&releaseType==2)">
						<u-grid-item @click="chooseFile()"  :custom-style="girdItemCustomStyle2">
							<view class="slot-btn" hover-class="slot-btn__hover">
								<u-icon name="plus" size="80" :color="$u.color['lightColor']"></u-icon>
							</view>
						</u-grid-item>
					</template>
				</u-grid>
			</view>		
			<!-- 选项 -->	
			<view class="tips">
				<u-cell-group>
					<!--  :value="address.name" :value-style="customValueStyle" :label="address.address" -->
					<u-cell bg-color="#ffffff" 
							:title="address.chooseFlag?(address.name):'所在位置'" :title-style="customTitleStyle" 
							:value="address.chooseFlag?(address.address):'请选择'" isLink
							@click="toChooseLocation()">
						<view slot="icon" class="u-flex u-row-center u-col-center">
							<u-icon name="map" size="32" :color="address.chooseFlag?'#19be6b':'#606266'"></u-icon>
						</view>
					</u-cell>
					<u-cell bg-color="#ffffff" title="提醒谁看" :title-style="customTitleStyle" @click="toRemind">
						<view slot="icon" class="u-flex u-row-center u-col-center">
							<u-icon name="/static/images/friendCircle/at.png" width="24" height="24" color="#606266"></u-icon>
						</view>
					</u-cell>
					<u-cell bg-color="#ffffff"  @click="toSetPromission()"
						title="谁可以看" :title-style="customTitleStyle" 
						:value="'公开'" :value-style="customValueStyle">
						<view slot="icon" class="u-flex u-row-center u-col-center">
							<u-icon name="account"  size="32" color="#606266"></u-icon>
						</view>
					</u-cell>
				</u-cell-group>
			</view>
		</view>
		
		<!-- 播放视频 -->
		<view v-if="previewVideoFlag==true">
			<videoPlayer :previewVideoFlag="previewVideoFlag" :previewVideoSrc="previewVideoSrc" @quitPlay="previewVideoFlag=false"></videoPlayer>	
		</view>	
	</view>
</template>

<script>
	import videoPlayer from '@/components/videoPlayer.vue';
	import {upload} from "@/api/login.js"
	import util from "@/util/index.js"
	export default {
		components:{
			videoPlayer
		},
		computed: {
			circleData() {
				return this.$store.getters.storeCircleData;
			}
		},
		data() {
			return {
				winWidth:0,
				scrollViewHeight:0,
				inputScrollTop:0,
				inputAnimation:false,
				releaseType: 1, //0 纯文字  1 图片或视频
				navbarTitle: '',
				customBtnStyle: {
					fontSize: '32rpx',
					padding: '0 28rpx',
					height:'60rpx',
					lineHeight:'60rpx',
				},
				girdItemCustomStyle:{
					padding: '0',
					margin:'0',
					width:'220rpx',
					height:'220rpx',
					//border:'1rpx solid #f2f6fc'
				},
				girdItemCustomStyle2:{
					padding: '0',
					marginTop:'32rpx',
					width:'200rpx',
					height:'200rpx',
					//border:'1rpx solid #f2f6fc'
				},
				customTitleStyle:{
					fontSize:'28rpx',
					color:'#666',
					marginLeft:'30rpx'
				},
				customValueStyle:{
					fontSize:'32rpx',
					color:'#2c2d2f',
				},
				inputFocusFlag:false,
				tempFilePaths: [],
				tempUploadFilePath:[],
				content: '',   //文字
				address:{
					chooseFlag:false,
				},
				btnLoading: false ,//防止重复点击
				submitFlag:true,
				previewVideoFlag:false,
				previewVideoSrc:'',
				customMaskStyle:{
					display:"flex",
					flexDirection: "column",
					justifyContent: "center",
					alignItems: "center",
					paddingTop:'100rpx',
					//border:'1px solid red'
				}
			};
		},
		created: function() {
			this.winWidth= this.$u.sys().winWidth;
			let scrollViewHeight = this.$u.sys().windowHeight - 120;
			this.scrollViewHeight = scrollViewHeight;
		},
		
		onPageScroll:function(){
			uni.hideKeyboard();
		},
		
		onLoad: function(option) {
			if (option.releaseType != null && option.releaseType != undefined) {
				this.releaseType = option.releaseType;
			}
			if (this.releaseType == 0) {
				this.navbarTitle = "发表文字";
				this.inputFocusFlag=true;
				this.submitFlag=true;
			}
			if (this.releaseType == 1) {
				this.navbarTitle = "发表图文";
			}
			if (this.releaseType == 2) {
				this.navbarTitle = "发表视频";
			}
			const _this = this;
			const eventChannel = this.getOpenerEventChannel();
			// 注意在 onUnload 取消监听，避免监听常驻内存
			eventChannel.on('successEvent', function(data) {
				console.log(data)
				if (data.tempFilePaths != null && data.tempFilePaths != undefined && data.tempFilePaths.length > 0) {
					_this.tempFilePaths = data.tempFilePaths;
					if(_this.releaseType!=0){
						//console.log("不是纯文字")
						_this.submitFlag=false; //可以直接发布
					}
					for (var i = 0; i < _this.tempFilePaths.length; i++) {
						 let url= _this.tempFilePaths[i];
						 _this.tempUploadFilePath.push({url:url});
					}
					//console.log("准备发朋友圈的临时文件", _this.tempUploadFilePath);
				}
			})
			
		},
		
		//监听信息滚动
		onReady() {
			let that=this;
			uni.onKeyboardHeightChange(res => {
				//如果键盘弹起
				if (res.height != 0) {
					this.scrollViewHeight = this.$u.sys().windowHeight - res.height - 90;
				} 
				//键盘收起
				else {
					this.scrollViewHeight = this.$u.sys().windowHeight - 120;
				}
			});
		},
		onUnload() {
			try {
				const eventChannel = this.getOpenerEventChannel();
				eventChannel.off('successEvent');
			} catch (error) {
				//TODO handle the exception
			}
		},
		
		methods: {
			cdn:util.cdn,
			//隐藏输入
			hiddenInput:function(e){
				let that=this;
				that.inputFocusFlag=false;
				uni.hideKeyboard();
			},
			//监听输入
			inputing:function(e){
				let content=e.detail.value.trim();
				console.log("content",content);
				if(content.length>0){
					this.submitFlag=false;
				}else{
					//如果是纯文字,不能提交
					if(this.releaseType==0){
						this.submitFlag=true;
					}
					//如果不是纯文字
					else{
						//附件列表没有
						this.submitFlag = this.tempFilePaths.length<1;
					}
				}
			},
			//复制文本到输入框文字太多,焦点保证落在末尾去
			inputLineChange:function(e){
				this.inputAnimation=true;
				this.inputScrollTop=e.detail.height;
				if(e.detail.lineCount>0&&this.content.length>0){
					this.submitFlag=false;
				}else{
					//如果是纯文字,不能提交
					if(this.releaseType==0){
						this.submitFlag=true;
					}
					//如果不是纯文字
					else{
						//附件列表没有
						this.submitFlag = this.tempFilePaths.length<1;
					}
				}
			},
			//返回
			goBack: function() {
				uni.navigateBack();
			},
			//去选择所在位置
			toChooseLocation:function(){
				let that=this;
				uni.chooseLocation({
				    success: function (res) {
				       // console.log('位置名称：' + res.name);
				       // console.log('详细地址：' + res.address);
				       // console.log('纬度：' + res.latitude);
				        //console.log('经度：' + res.longitude);
						that.address=res;
						that.address.chooseFlag=true;
						//console.log("that.address",that.address);
				    },
					fail:function(){
						that.address={};
						that.address.chooseFlag=false;
					}
				});
			},
			//设置发布朋友圈的查看权限
			toSetPromission:function(){
				let that=this;
				uni.showToast({
					icon:"none",
					title:"功能暂未开放!"
				})
				
			},
			//设置提醒谁去看
			toRemind:function(){
				let that=this;
				uni.showToast({
					icon:"none",
					title:"功能暂未开放!"
				})
			},
			//删除临时文件
			delTempFile:function(index){
				let that=this;
				that.tempFilePaths.splice(index,1);
				that.tempUploadFilePath.splice(index,1);
			},
			//预览图片或者视频
			previewFile:function(index){
				let that=this;
				//照片
				if(that.releaseType==1){
					uni.previewImage({
						urls:that.tempFilePaths,
						current:index,
					})
				}
				//视频
				else{
					that.previewVideoSrc=that.tempFilePaths[0];
					that.previewVideoFlag=true;
				}
			},
			
			//选择文件
			chooseFile:function(){
				let that = this;
				//视频
				if (that.releaseType == 2) {
					uni.chooseVideo({
						sourceType: ['camera', 'album'],
						maxDuration: 60,
						success: function(res) {
							console.log("视频",res);
							let filePath = res.tempFilePath;
							that.tempFilePaths.push(filePath);
							return;
						}
					});
				}
				//选择照片
				else {
					let count=9-(that.tempFilePaths.length);
					console.log("可以选择的照片的数量",count);
					uni.chooseImage({
						count: count, //默认9
						sizeType: ['original', 'compressed'], //可以指定是原图还是压缩图，默认二者都有
						sourceType: ['camera','album'], //从相册选择
						success: function(res) {
							console.log("选择照片",res);
							let filePaths = res.tempFilePaths;
							that.tempFilePaths=that.tempFilePaths.concat(filePaths);
							return;
						}
					});
				}
			},
				
			//发布朋友圈
			releaseFriendCircle() {
				let that=this;
				that.btnLoading = true;
				let param={
					content: this.content,
					releaseType:that.releaseType,
					address:JSON.stringify(that.address),
				};
				uni.showLoading({
					title:"正在发布..."
				});
				//没有文件
				if(that.tempFilePaths.length<1){
					that.submitPublish(param);
					return;
				}
				//有文件
				else{
					that.uploadMuchFile(0,[],param);
				}
			},
			//发布图文/视频+图文的朋友圈
			uploadMuchFile(index=0,files,params) {
				let that=this;
				let size= that.tempFilePaths.length;
				if(index==size){
					console.log("文件全部上传完成",files);
					params.fileList=JSON.stringify(files);
					that.submitPublish(params);
					uni.hideLoading();
					return;
				}
				let filePath=that.tempFilePaths[index];
				let obj = {
					filePath:filePath,
					savePath: "friendCircle"  //文件存放目录
				}
				
				upload(filePath).then(res1=>{
					if(res1.code === 0 ){
						console.log("第"+(index+1)+"个文件上传完成",res1);
						let fileUrl= res1.data[0].file_name;
						files.push(fileUrl);
						index++;
						that.uploadMuchFile(index,files,params);
					}else{
						console.log(res1);
					}
				}).catch(res1=>{
					console.log("第"+(index+1)+"个文件上传失败",res1);
				});
			},
			
			submitPublish(param){
				let that=this;
					console.error('submitPublish');
				uni.$u.http.post('/friendcircle/create',param).then(res => {
					let newCircle=res;
					if(newCircle.address!=null&&newCircle.address.length>0){
						newCircle.address=JSON.parse(newCircle.address);
					}else{
						newCircle.address={"chooseFlag":false};
					}
					if(newCircle.fileList!=null&&newCircle.fileList.length>0){
						newCircle.fileList=JSON.parse(newCircle.fileList);
					}else{
						newCircle.fileList=[];
					}
					if(newCircle.praise!=null){
						newCircle.praise=JSON.parse(newCircle.praise);	
					}else{
						newCircle.praise=[];
					}
					if(newCircle.comment!=null){
						newCircle.comment=JSON.parse(newCircle.comment);	
					}
					else{
						newCircle.comment=[];
					}
					let circleDataList=[...this.circleData];
					circleDataList.unshift(newCircle);
					that.$u.vuex('circleData', circleDataList);
					that.btnLoading = false;
					uni.hideLoading();
					uni.navigateBack();
				}).catch(e=>{
					console.error(e);
				})
			}
		},
		onUnload() {
			uni.hideLoading();
		}
	}
</script>

<style scoped lang="scss">
	.releaseContainer{
		.content {
			padding: 20rpx;
			.input-box{
				::-webkit-scrollbar{
					display: none;
					width: 0;
					height: 0;
				}
				//border: 1px solid red;
				padding: 20rpx 0rpx;
				
				.input {
					//border: 1px solid black;
					caret-color: $uni-color-success;
					//height: 200rpx;
					padding: 15rpx;
					width: initial;
					//text-indent:5rpx;
					font-size: 32rpx;
				}
			}
		
			.uploadBox{
				margin-top: 50rpx;
				.slot-btn {
					width: 200rpx;
					height: 200rpx;
					display: flex;
					justify-content: center;
					align-items: center;
					background: rgb(244, 245, 246);
					border-radius: 10rpx;
					border:1rpx solid  $u-border-color
				}
				
				.slot-btn__hover {
					background-color: rgb(235, 236, 238);
					
				}
			}
		
			.tips {
				margin-top: 120rpx;
			}
		}
	}
</style>
<style lang="scss">
.content {
	.upload {
		::v-deep.u-list-item,
		.u-add-wrap {
			background-color: #f8f8f8;
			height: 180rpx !important;
			width: 180rpx !important;
		}
		
	}
	.slot-wrap {
		display: flex;
		align-items: center;
		padding: 0 30rpx; 
	}
}
</style>
