import { LocalData, getStorage, setStorage, setClass } from '@/utils/global'
import store from '../store/store.js';
const url_sync = getApp().globalData.request_url+'/portrait-api/getSync' //获取所有资源接口
const url_confirm = getApp().globalData.request_url+'/portrait-api/getSyncConfirm'  //同步结果回送
const url_updateSwap = getApp().globalData.request_url+'/portrait-api/swapUpdate' //更新轮播图
//下载列表
let listBook = []
let listDoc = []
let listVideo = []
let listTheme = []
let listVr = []

//当前下载的个数
let videoIndex = 0
let videochildIndex= 0
let bookIndex = 0
let docIndex = 0
let themeIndex = 0
let vrIndex = 0

//当前下载 成功 的个数
let videodown = 0
let bookdown = 0
let docdown = 0
let themedown = 0
let vrdown = 0

let aiyxliburl="https://qiniu.aiyxlib.com/";
let targetPath ; //存储本地文件路径
let overtime=0; //超时次数
let curVideoDir = 0; //视频子集下载
let backPics = []  //轮播图
let currentSyncNum=0; //总共更新下载资源数
let serialNum=uni.getStorageSync('serialNum')||'';

//分类列表
let bookClass
let docClass
let videoClass
let themeClass
let vrClass
//删除列表
let delBook = []
let delDoc = []
let delVideo = []
let delTheme = []
let delVr = []



//获取所有资源
const Sync = {
	start: function(){
		serialNum=uni.getStorageSync('serialNum')||'';
		// console.log(777, serialNum)
		showLoading('正在加载')
		try{
			uni.request({
				url:`${url_sync}?serialNumber=${serialNum}`,
				method: 'POST',
				success: (res) => {
					console.log(res)
					uni.hideLoading()
					let {errCode, data} = res.data
					if(errCode == 0){
						listBook = data.listBook
						listDoc = data.listDoc
						listVideo = data.listVideo
						listTheme = data.listTheme
						listVr = data.listVr
						
						delBook = data.delEbook
						delDoc = data.delDoc
						delTheme = data.delTheme
						delVr = data.delVr
						delVideo = data.delVideo
						
						let classMap = data.classOrderMap;
						bookClass = classMap[0] ? classMap[0] : [];
						docClass = classMap[1] ? classMap[1] : [];
						videoClass = classMap[2] ? classMap[2] : [];
						themeClass = classMap[3] ? classMap[3] : [];
						vrClass = classMap[4] ? classMap[4] : [];
						
						//当前下载 成功 的个数
						videodown = 0
						bookdown = 0
						docdown = 0
						themedown = 0
						vrdown = 0
						//当前下载到第几个
						videoIndex = 0
						videochildIndex= 0
						bookIndex = 0
						docIndex = 0
						themeIndex = 0
						vrIndex = 0
						
						aiyxliburl=data.url
						currentSyncNum=data.currentSyncNum
						console.log(aiyxliburl)
						// console.log('2222',  JSON.stringify(classMap))
						//删除
						delRes()
						//正式存储
						syncQueue()
					}else{
						uni.showToast({
						    title: '资源请求失败',
							icon:'none',
						    duration: 2500
						});
					}
				},
				fail: (e) => {
					console.log('fail: ', e)
					uni.hideLoading()
					uni.showToast({
					    title: '接口请求失败',
						icon:'none',
					    duration: 2000
					});
				}
			})
		}catch(e){
			console.log(e)
		}
	}
}

function syncQueue() {
	
	// console.log(bookIndex, docIndex,themeIndex,vrIndex,videoIndex)
	if(bookIndex < listBook.length ){
		showLoading('获取图书：' + (bookIndex) + ' / ' + listBook.length)
				targetPath = "_doc/book/";
		getResource(listBook[bookIndex],0)
	}else if(docIndex < listDoc.length ){
		showLoading('获取阅文：' + (docIndex) + ' / ' + listDoc.length)
				targetPath = "_doc/doc/";
		getResource(listDoc[docIndex],1)
	}else if(themeIndex < listTheme.length){
		showLoading('获取阅刊: ' + (themeIndex) + ' / ' + listTheme.length)
				targetPath = "_doc/theme/";
		getResource(listTheme[themeIndex],3)
	}else if(vrIndex < listVr.length){
		showLoading('获取VR: ' + (vrIndex) + ' / ' + listVr.length)
				targetPath = "_doc/theme/";
		getResource(listVr[vrIndex],4)
	}else if(videoIndex < listVideo.length){
				targetPath = "_doc/video/";
		getResource(listVideo[videoIndex],2)
	}
	else{
		uni.hideLoading()
		
		//更新轮播图
		updateSwap()
	}
}
//下载封面
function getResource(resList,savetype) {
	const that = this;
	let coverState=resList.coverState||resList.coverCollectionState;
	console.log("coverState: " + coverState);
	if(!coverState && resList.cover){
		let onurl=aiyxliburl+resList.cover;
		// 	 console.log("onurl: " + onurl);
		try {
		  let dtask = plus.downloader.createDownload(
		    onurl,
		    { filename: targetPath },
		    function (d, status) {
		      if (status==200) {
				  resList.cover = resList.cover.split(".")[0]+".jpg";
		        console.log("Download success: " + resList.cover);
				switch(savetype){
					case 0://读书
						bookIndex++;
						bookdown++;
						store.commit("bookData", bookdown);
						store.commit("bookFalse", listBook.length-bookdown);
						break;
					case 1://阅文
						docIndex++;
						docdown++;
						store.commit("docData", docdown);
						store.commit("docFalse", listDoc.length-docdown);
						break;
					case 3://阅刊
						themeIndex++;
						themedown++;
						store.commit("themeData", themedown);
						store.commit("themeFalse", listTheme.length-themedown);
						break;
					case 4://vr
						vrIndex++;
						vrdown++;
						store.commit("vrData", vrdown);
						store.commit("vrFalse", listVr.length-vrdown);
						break;
					case 2://视频
						videoIndex++;
						break;
				}
				
				  if(savetype == 2){
				  	curVideoDir = 0
					resList.coverCollectionState = true;
					// console.log(resList);
				  	getVideoDirectory(resList)
				  }else{
					resList.coverState = true;
				  	syncPush(resList,savetype)
				  	syncQueue()
					
				  }
				
		      } else {
				  syncQueue()
				  if(savetype == 2){
					  let videofalse=store.state.videofalse+resList.directory.length;
					  store.commit("videoFalse", videofalse);
				  }
		        console.log("Download failed: " + status);
		      }
		    }
		  );
		  dtask.start();
		} catch (error) {
			syncQueue()
			console.log("Download failed: " + error);
		}
		
	}else{
		switch(savetype){
			case 0://读书
				bookIndex++;
				break;
			case 1://阅文
				docIndex++;
				break;
			case 3://阅刊
				themeIndex++;
				break;
			case 4://vr
				vrIndex++;
				break;
			case 2://视频
				videoIndex++;
				break;
		}
		console.log(coverState );
		syncQueue()
			// resList.localCover =targetPath+resList.cover;
			
	}
}
//同步推送下载
function syncPush(entity,savetype) {
	// console.log(entity)
	let param = {
		 belongVideoName: entity.name, //(父)资源名称
		 coverState: entity.coverState||entity.coverCollectionState, //封面下载状况
		 failType: 0, //失败类别 0成功 1失败 2超时
		 ok: true, //（是否操作成功）
		 fileName:entity.cover,  //封面地址
		 resourceId: entity.baseId, //资源id
		 sn: serialNum, //设备序列号
		 state: 1, //1.编辑 2.删除
		 classId:entity.classId, //资源类型
		 typeId: savetype,//资源类别 0图书 1阅文 2视频 3阅刊 4vr （子视频不填）
		 videoState: entity.videoCollectionState||""//视频是否下载（子视频是否全部下载）
	}
	// console.log(param)
	syncRequest(param,entity,savetype)
}
//同步推送下载子视频
function syncPushvideo(entity,viedochild,type) {
	// console.log(entity,viedochild)
	if(type==0){
			videodown++;
			store.commit("videoData", videodown);
	}else{
		store.state.videofalse++;
	}
	let reason
	type==0 ? reason="" : type==1 ? reason="失败" : reason="超时"
	let param = {
		 belongVideoName: entity.name, //(父)资源名称
		 coverState: viedochild.coverState, //封面下载状况
		 failType: type, //失败类别 0成功 1失败 2超时
		 fileName:viedochild.cover,  //封面地址
		 lastWrongReason: reason,
		 ok: true, //（是否操作成功）
		 resourceId: entity.baseId, //资源id
		 sn: serialNum, //设备序列号
		 state: 1, //1.编辑 2.删除
		 videoId: viedochild.id,//子视频资源id
		 videoName: viedochild.name, //子视频名称
		 belongId: viedochild.belongId,//父集合资源id
		 videoState: viedochild.videoState//视频是否下载（子视频是否全部下载）
	}
	console.log(param)
	syncRequest(param,entity,6)
}

//同步接口请求
function syncRequest(param,entity,savetype) {
	uni.request({
		url:url_confirm,
		data:param,
		method: 'POST',
		success: (res) => {
			console.log(res)
			if(res.data.errCode==0){
					switch(savetype){
						case 0:
							LocalData.book=categoryFiles(LocalData.book, entity, bookClass)
							 // console.log('存进分类书列表:', LocalData.book)
							break;
						case 1:
							LocalData.doc=categoryFiles(LocalData.doc, entity, docClass)
							break;
						case 3:
							LocalData.theme=categoryFiles(LocalData.theme, entity, themeClass)
							break;
						case 4:
							LocalData.vr=categoryFiles(LocalData.vr, entity, vrClass)
							break;
						case 2:
							LocalData.video=categoryFiles(LocalData.video, entity, videoClass)
							break;
					}
					setStorage(LocalData)
					// console.log(LocalData)
					console.log('向后台返回成功')
			}else{
				console.log(res.data.errMsg)
			}
		},
		fail: (err) => {
			uni.hideLoading()
			uni.showToast({
				title: '推送失败: ' + err,
				icon:none,
				duration: 2000
			})
		}
	})
}
//存进分类列表
function categoryFiles(locData, curData, classArray) {
	// console.log("存进分类",locData)
	if(locData.length < 1||locData==null){
		locData.push({id:0, name: '全部', order: -1, list:[]})
		classArray.forEach((classItem) => {
			classItem.list=[];
			locData.push(classItem)
		})
		console.log(locData)
		categoryFiles(locData, curData, classArray)
	}else{
		locData.forEach((classItem) => {
			if(curData.classId==classItem.id){
				classItem.list.push(curData)
				// console.log(classItem.list)
			}
			if(classItem.id==0){
				classItem.list.push(curData)
				// console.log(classItem)
			}
		})
	}
	
	locData = locData.sort((a,b) => {
		return a.order < b.order
	})
	return locData
}


function getVideoDirectory (video) {
	let directory = video.directory
	// console.log("directory", directory)
	if(video.videoCollectionState){
		console.log(videoIndex)
		syncQueue()
		return ;
	}
	curVideoDir++;
	if(curVideoDir <= directory.length){
		console.log(386)
		showLoading('获取视频：' + ((videoIndex-1)*1+((curVideoDir/directory.length).toFixed(1))*1) +'/ ' + listVideo.length)
		getFile(video, directory[curVideoDir-1])
		
		return
	}
	uni.hideLoading()
	video.videoCollectionState=video.directory.every((x)=> {
		return x.videoState;
	}); 
	console.log("402--", video.videoCollectionState)
	
	
	syncPush(video,2)
	syncQueue()
	
}
//下载视频子集封面
function getFile (video, dir) {
	
	if(dir.cover && !dir.coverState){
		let onurl=aiyxliburl+dir.cover;
		try {
		  let dtask = plus.downloader.createDownload(
			onurl,
			{ filename: targetPath },
			function (d, status) {
				// console.log(d.filename, status);
			  // 下载完成
			  if (status==200) {
				  dir.cover = dir.cover.split(".")[0]+".jpg";
				  dir.coverState = true;
				// console.log("Download success: " + listVideo[videoIndex].directory[curVideoDir].localCover);
				
			  } else {dir.localCover ="";}
			}
		  );
		   dtask.start();
		} catch (error) {
			dir.localCover ="";
			console.log("Download failed: " + error);
		}
	}
	
	if(dir.url && !dir.videoState){
		// console.log('dlVideo', dir.url)
		  let p1 = new Promise((resolve, reject) => {
			getFilevideo (video, dir,resolve)
		  });
		  let p2 = new Promise((resolve, reject) => {
		    setTimeout(function () {
		      resolve(2);
		    }, 600000);
		  });
		  Promise.race([p1, p2]).then(
		    (data) => {
		        if (data == 2) {
					//超时计次，跳过
					that.overtime++;
					if (that.overtime > 2) {
					  // 超时3次，退出更新？
					  store.commit("falsepop", true);
					  
					}else{
						getVideoDirectory(video)
						
						syncPushvideo(video,dir,2)
					}
		        }
		      // console.log(data);
		    },
		    (err) => {
		      console.log(err);
		    }
		  );
		
	}else{
		getVideoDirectory(video)
	}
	
}
//下载视频子集
function getFilevideo (video, dir,resolve) {
	console.log("下载视频子集",curVideoDir)
	let onurl=aiyxliburl+dir.url;
	try {
	  let dtask = plus.downloader.createDownload(
		onurl,
		{ filename: targetPath },
		function (d, status) {
			console.log(d.filename, status);
			resolve(1); //下载成功返回Promise状态
			
		  // 下载完成
		  if (status==200) {
			  dir.localUrl = d.filename;
			  dir.videoState = true;
			// console.log("Download: " ,video.directory[curVideoDir]);
			getVideoDirectory(video)
			
			syncPushvideo(video,dir,0)
		  } else {
			  dir.localUrl =""
			  getVideoDirectory(video)
			  syncPushvideo(video,dir,1)
		  }
		}
	  );
	   dtask.start();
	} catch (error) {
		dir.localUrl =""
		getVideoDirectory(video)
		console.log("Download failed: " + error);
	}
}

function updateSwap() {
	// showLoading('同步轮播图...')
	uni.request({
		url:`${url_updateSwap}?sn=${serialNum}`, 
		method: 'POST',
		success: (res) => {
			// console.log(res)
			if(res.data.errCode == 0){
				let {data, h5ReaderUrl} = res.data
				console.log(res.data)
				uni.setStorageSync('deviceTitle', data.title)
				uni.setStorageSync('h5ReaderUrl', h5ReaderUrl)
				curVideoDir = 0;
				if(data.bgUrls!=null){
					backPics = []
					getSwapPic(data.bgUrls)
				}else{
					if(currentSyncNum){
						store.commit("downpop", true);
					}else{
						uni.showToast({
						    title: '已有全部最新资源~',
							icon:'none',
						    duration: 3000
						});
					}
					
				}
			}
		},
		fail: (err) => {
			uni.showToast({
				title:'轮播图同步失败',
				icon:'none'
			})
			
		}
	})
}
function getSwapPic(pics) {
	if(curVideoDir < pics.length){
		showLoading('更新轮播图' + (curVideoDir + 1) + ' / ' + pics.length)
		let onurl = pics[curVideoDir]
		let bantPath="_doc/theme/";
		try {
		  let dtask = plus.downloader.createDownload(
		    onurl,
		    { filename: bantPath },
		    function (d, status) {
		      if (status==200) {
				  
				backPics.push(d.filename)
				curVideoDir ++
				getSwapPic(pics)
				uni.hideLoading()
				
		      } else {
				 getSwapPic(pics)
		        console.log("Download failed: " + status);
		      }
		    }
		  );
		  dtask.start();
		} catch (error) {
			getSwapPic(pics)
			console.log("Download failed: " + error);
		}
		
	}else{
		// console.log('9999', backPics)
		uni.setStorageSync('backPics', backPics)
		if(currentSyncNum){
			store.commit("downpop", true);
		}else{
			uni.showToast({
			    title: '轮播图已更新',
				icon:'none',
			    duration: 3000
			});
		}
		
	}
}

//删除
function delRes() {
	console.log('删除')
	if(delBook && delBook.length > 0){
		console.log(delBook)
		delResObject(LocalData.book, delBook,0)
	}
	if(delDoc && delDoc.length > 0){
		// console.log(delDoc)
		delResObject(LocalData.doc, delDoc,1)
	}
	if(delTheme && delTheme.length > 0){
		delResObject(LocalData.theme, delTheme,3)
	}
	if(delVr && delVr.length > 0){
		delResObject(LocalData.vr, delVr,4)
	}
	if(delVideo && delVideo.length > 0){
		delResObject(LocalData.video, delVideo,2)
	}
}

function delResObject(locallist, items,savetype){
	let classindex;
	let listindex;
	console.log(items)
	items.forEach((arr, num)=>{
		locallist.forEach((x, index)=>{
			if(x.id==arr.classId){
				classindex=index;
				x.list.forEach((y, ind, b)=>{
					if(y.baseId==arr.resourceId){
						listindex=ind;
						locallist[classindex].list.splice(listindex,1)
						// console.log(locallist)
						// setStorage(LocalData)
						syncPushdel(items,savetype) 
					}
				})
			}
		})
		locallist[0].list.forEach((x, index)=>{
			if(x.baseId==arr.resourceId){
				locallist[0].list.splice(index,1)
				// debugger
				// console.log(index,LocalData.book)
				setStorage(LocalData)
			}
		})
	})
	
	
}
//同步推送删除
function syncPushdel(entity,savetype) {
	let param = {
		 belongVideoName: entity.name||"", //(父)资源名称
		 coverState: entity.coverState||entity.coverCollectionState, //封面下载状况
		 failType: 0, //失败类别 0成功 1失败 2超时
		 fileName:entity.fileName,  //封面地址
		 ok: true, //（是否操作成功）
		 resourceId: entity.resourceId, //资源id
		 sn: serialNum, //设备序列号
		 state: 2, //1.编辑 2.删除
		 classId:entity.classId, //资源类型
		 typeId: savetype,
		 videoState: true,//视频是否下载（子视频是否全部下载）
	}
	// console.log(param)
	uni.request({
		url:url_confirm,
		data:param,
		method: 'POST',
		success: (res) => {
			console.log(res)
			if(res.data.errCode==0){
				setStorage(LocalData)
			}else{
				console.log(res.data.errMsg)
			}
		},
		fail: (err) => {
			console.log(err)
		}
	})
}

const showLoading = function(str) {
	uni.showLoading({
		title:str,
		mask:true
	})
}

export {
	Sync,
	delRes
}