import {defineStore} from 'pinia'

import {ref, onMounted} from 'vue'
import axios from 'axios'
import SparkMD5 from 'spark-md5'
import tool from '@/utils/tool'
import {message} from 'ant-design-vue'
import sysConfig from '@/config/index'
import resourceAuditApi from '@/api/resourceAudit.js'
import EventBus from "@/utils/EventBus";
export const miniyunStore = defineStore({
	id: 'miniyun',
	state: () => ({
		pauseFlags: {}, // 控制每个文件是否暂停 { md5: true/false }
		uploadingTasks: {}, // 正在上传的任务 { md5: true }
		checkingFiles: new Set(), // 正在检查的文件MD5
		checkedFiles: new Map(), // 已检查的文件结果缓存
		//当前选中的文件
		currentFile: null,
		spinning: false,
		chunkSize: 5 * 1024 * 1024,

		uploadedSize: 0, // 已上传文件大小（字节）

		chunkCount: 0,
		chunksUploaded: 0,
		fileMd5: '', //
		// const emit = defineEmits(['onUpLoading', 'onSuccess'])
		progress: {
			strokeColor: {
				'0%': '#108ee9',
				'100%': '#87d068'
			},
			strokeWidth: 3,
			format: (percent) => `${parseFloat(percent.toFixed(2))}%`,
			class: 'test'
		},
		allChunks: 0, // 文件的md5值
		successfulChunkPercents: 0, // 上传成功的分片百分比
		fileSuffix: '', // 文件后缀
		chunkList: [], // 文件后缀
		uploadList: [], // 文件后缀
		fileList: [],// 文件后缀
		uploadFileList: [], // 文件后缀
		uploadChunks: [],// 文件后缀
		uploadFileListTemp: [],
		upLoadTag: false, // 文件的md5值
		startTime: 0, // 开始时间戳（毫秒
		totalSize: 0, // 开始时间戳（毫秒
		tempIndex: 0,
		//文件数据放一起
		fileForms: [],
	}),
	getters: {
		getFileForms: (state) => state.fileForms,
		getPauseFlags: (state) => state.pauseFlags,
	},
	actions: {
		async addFileForms(fileForm) {
			this.fileForms.push(fileForm)

			for (let i = 0; i < fileForm.uploadFileList.length; i++) {

				await this.checkMd5List(fileForm.uploadFileList[i])
				await this.uploadSingleFile(fileForm.uploadFileList[i])
			}
			//准备开启去下载
			// for (let i = 0; i < fileForm.uploadFileList.length; i++) {
			// 	this.tempIndex+=1
			// 	fileForm.uploadFileList[i].tempIndex = this.tempIndex
			// 	this.uploadFileListTemp.push(fileForm.uploadFileList[i])
			// }
		},
		handlerRemoveItem(mmyIndex, mmmyIndex) {
			// let myIndex = -1
			// for (let i = 0; i < this.uploadFileListTemp.length; i++) {
			// 	if(this.uploadFileListTemp[i].tempIndex == item.tempIndex){
			// 		myIndex = i
			// 	}
			// }
			// if(myIndex != -1){
			// 	this.uploadFileListTemp.splice(myIndex, 1)
			// }
			// let mmyIndex = -1
			// let mmmyIndex = -1
			// for (let i = 0; i < this.fileForms.length; i++) {
			// 	for (let ii = 0; ii < this.fileForms[i].uploadFileList.length; ii++) {
			// 		if(this.fileForms[i].uploadFileList[ii].tempIndex == item.tempIndex){
			// 			mmyIndex = i
			// 			mmmyIndex = ii
			// 		}
			// 	}
			// }
			// if(mmyIndex != -1 && mmmyIndex != -1){
			// 	this.fileForms[mmyIndex].uploadFileList.splice(mmmyIndex, 1)
			// }

			this.fileForms[mmyIndex].uploadFileList.splice(mmmyIndex, 1)

		},
		pauseUpload(md5) {
			this.pauseFlags[md5] = true
		},
		resumeUpload(md5) {
			this.pauseFlags[md5] = false
		},
		async checkMd5List(uploadFile) {
			// 标记文件正在检查
			this.checkingFiles.add(uploadFile.md5)

			const md5List = [{
				md5: uploadFile.md5,
				size: uploadFile.size,
				chunkSize: uploadFile.chunks.length,
				fileName: uploadFile.name,
				fileSuffix: uploadFile.fileSuffix,
				affiliationFuncType : 0
			}]
			await axios
				.post(sysConfig.API_URL + '/api/webapp/minio/checkMd5List', md5List, {headers: {Token: tool.data.get('TOKEN')}})
				.then((res) => {
					console.log('文件上传返回结果：', res.data)
					// return
					var list = res.data
					if (list.length !== 0) {
						let upList = []
						for (let item of list) {
							console.log('item回来的', JSON.stringify(item))
							if (uploadFile.md5 === item.md5) {
								uploadFile.userFileId = item.userFileId
								//重要的步骤
								if (item.userFileId) {
									uploadFile.percents = 100
									this.checkedFiles.set(uploadFile.md5, {
										userFileId: item.userFileId,
										status: 'uploaded'
									})
									// emit('onSuccess', uploadFile)
								}
								// upList.push(item)
							}
						}
						console.log('upList是：', upList)
						// uploadFileList.value.push(uploadFile)
						// emit('onSuccess', uploadFileList.value)
					}
					// 从正在检查列表中移除
					this.checkingFiles.delete(uploadFile.md5)
					return uploadFile
					// 文件均存在minio中了，无需上传
					// if (uploadFileList.value.length === 0) {
					// 	successfulChunkPercents.value = 100
					// 	alert('文件上传成功')
					// }
				})
				.catch((error) => {
					console.log('检查返回错误', error)
					// 从正在检查列表中移除
					this.checkingFiles.delete(uploadFile.md5)
					throw error
				})
		},


		async uploadFilesChunk(data, onSuccess) {
			console.log('进入了uploadFileChunk方法...')
			let retryTime = 5 //重试次数
			const formData = new FormData()
			formData.append('md5', data.md5)
			// formData.append('md5', md5)
			formData.append('chunkIndex', data.chunkIndex)
			formData.append('chunk', data.chunk)
			formData.append('chunkSize', data.chunkSize)
			formData.append('fileSuffix', data.fileSuffix)
			formData.append('fileName', data.fileName)
			formData.append('affiliationFuncType', data.affiliationFuncType)
			return axios
				.post(sysConfig.API_URL + '/api/webapp/minio/upload', formData, {
					headers: {'Content-Type': 'multipart/form-data', Token: tool.data.get('TOKEN')}
				})
				.then((res) => onSuccess())
				.catch((error) => {
					console.log('上传分片失败了...', error)
					if (retryTime > 0) {
						retryTime--
						return this.uploadChunk(data, onSuccess)
					}
				})
		},

		// 上传分片 旧
		async uploadChunk(data, onSuccess) {
			let retryTime = 5 //重试次数
			const formData = new FormData()
			// formData.append('identifier', fileMd5.value)
			formData.append('md5', data.md5)
			// formData.append('md5', md5)
			formData.append('chunkIndex', data.chunkIndex)
			formData.append('chunk', data.chunk)
			formData.append('chunkSize', data.chunkSize)
			formData.append('fileSuffix', data.fileSuffix)
			formData.append('fileName', data.fileName)
			formData.append('affiliationFuncType', data.affiliationFuncType)
			return axios
				.post(sysConfig.API_URL + '/api/webapp/minio/upload', formData, {
					headers: {'Content-Type': 'multipart/form-data', Token: tool.data.get('TOKEN')}
				})
				.then((res) => onSuccess())
				.catch((error) => {
					if (retryTime > 0) {
						retryTime--
						return this.uploadChunk(data, onSuccess)
					}
				})
		},
		calculateSpeed(startTime, uploadedSize) {
			const currentTime = new Date().getTime()
			const timeElapsed = (currentTime - startTime) / 1000 // 单位：秒
			if (timeElapsed > 0) {
				const speed = uploadedSize / timeElapsed // 单位：字节/秒
				return speed
			}
			return 0
		},
		estimateRemainingTime(startTime, uploadedSize, totalSize) {
			console.log('疑问', ' 总的 ', totalSize, ' 变化的 ', uploadedSize)
			const remainingSize = totalSize - uploadedSize // 剩余文件大小
			const speed = this.calculateSpeed(startTime, uploadedSize) // 平均上传速度（字节/秒）

			if (speed > 0) {
				const remainingTimeSeconds = remainingSize / speed // 剩余时间（秒）
				return remainingTimeSeconds
			}
			return Infinity // 如果上传速度为 0，则无法估算
		},
		formatTime(seconds) {
			const minutes = Math.floor(seconds / 60)
			const secs = Math.floor(seconds % 60)
			if (minutes == 0 && secs == 0) {
				return ''
			}
			return `${minutes} 分 ${secs} 秒`
		},
		async uploadSingleFile(fileObj) {
			const file = fileObj
			const md5 = file.md5
			// const index = uploadFileList.value.findIndex((item) => item.md5 === md5)
			//
			// if (index === -1) return

			const item = fileObj

			if (item && item.userFileId) {
				this.getUp(fileObj)
				return
			}

			// // 如果是暂停状态则不执行上传
			// while (pauseFlags.value[md5]) {
			// 	await new Promise((resolve) => setTimeout(resolve, 500))
			// }
			// 添加到正在上传任务中
			// uploadingTasks.value[md5] = true
			file.startTime = new Date().getTime()
			file.uploadedSize = 0

			const chunkPromises = []

			for (let i = 0; i < item.chunks.length; i++) {
				let chunk = item.chunks[i]

				while (this.pauseFlags[md5]) {
					await new Promise((resolve) => setTimeout(resolve, 500))
				}

				chunkPromises.push(
					await this.uploadFilesChunk(
						{
							affiliationFuncType : 0,
							md5,
							chunk,
							chunkIndex: i + 1,
							fileSuffix: item.fileSuffix,
							chunkSize: item.chunks.length,
							fileName: item.name
						},
						() => {
							// chunksUploaded.value++
							// uploadChunks.value++

							// successfulChunkPercents.value = 100 * (uploadChunks.value / allChunks.value).toFixed(2)
							item.uploadedSize += chunk.size // 更新已上传大小
							const remainingTime = this.estimateRemainingTime(item.startTime, item.uploadedSize, item.size)
							console.log(`预计剩余时间: ${this.formatTime(remainingTime)}`)
							// item.percents = (100 * (uploadChunks.value / item.chunks.length)).toFixed(2)
							item.time = this.formatTime(remainingTime)

							const percent = ((i + 1) / item.chunks.length) * 100
							item.percents = percent.toFixed(2)
							console.log(`我得名字: `, item.name, ' i ', i, ' item.chunks.length ', item.chunks.length)
							// item.time = formatTime(estimateRemainingTime())
						}
					)
				)
			}

			await Promise.all(chunkPromises)
			item.affiliationFuncType = 0
			// 合并分片
			const mergeResult = await axios.post(
				sysConfig.API_URL + `/api/webapp/minio/merge?md5=${md5}&fileSuffix=${item.fileSuffix}&chunkTotal=${item.chunks.length}&fileName=${item.name}&fileSize=${item.size}&affiliationFuncType=${item.affiliationFuncType}`,
				null,
				{headers: {Token: tool.data.get('TOKEN')}}
			)
			console.log('怎么说呢', ' 啊网络请求 ', mergeResult)
			fileObj.userFileId = mergeResult.data.userFileId
			fileObj.percents = 100

			// uploadingTasks.value[item.md5] = false
			// item.time = '上传完成'
			// 尝试恢复一个被暂停的任务
			// autoResumePausedUpload()
			// upLoadTag.value = false
			// emit('onSuccess', uploadFileList.value)


			this.getUp(fileObj)
		},
		async getUp(fileObj) {

			for (let i = 0; i < this.fileForms.length; i++) {
				console.log('怎么说呢', this.fileForms[i].upTag != undefined,' 里面的 ', this.fileForms[i], ' 外面的1 ', fileObj)

				if (this.fileForms[i].upTag == undefined) {
					let count = 0
					let list = []
					for (let ii = 0; ii < this.fileForms[i].uploadFileList.length; ii++) {
						console.log('怎么说呢', ' 里面的 ', this.fileForms[i], ' 外面的2 ', fileObj)
						let item = this.fileForms[i].uploadFileList[ii]
						if (item.userFileId != undefined && item.percents == 100){
							count ++
							list.push(item.userFileId)
						}
					}
					if(this.fileForms[i].uploadFileList.length == count){
					let formData = this.fileForms[i]
						formData.userfileIds = list.join(',')

						//去上传
					let res = await resourceAuditApi.stuLinkResourceRecordAdd(formData)
							// .then((res) => {
							// 	Modal.success({ content: '资源上传成功' })
							// })
							// .catch((err) => {
							// 	Modal.success({ content: '资源上传失败' })
							// 	console.log(err)
							// })
						console.log('上传至hi偶',res)
						this.fileForms[i].upTag = true
						EventBus.emit('onUpTag')
					}
				}
			}

		}

	},






})