import { confirmModal, showLoading, hideLoading, showToast } from "@/common/untool"

export const getSystemInfo = ()=> {
	let info = uni.getSystemInfoSync()
	console.log('getSystemInfo=====', info)
	return info
}

export const getCurrentAppInfo = ()=> {
	return new Promise((resolve, reject)=> {
		// 保存 app 版本信息
		// #ifdef APP-PLUS
		plus.runtime.getProperty(plus.runtime.appid, (widgetInfo)=> {
			console.log('plus.runtime.appid=========', plus.runtime.appid);
		    console.log('widgetInfo=========', widgetInfo);
			widgetInfo._appVersion = `${widgetInfo.version}.${widgetInfo.versionCode}`
			resolve(widgetInfo)
		});
		// #endif
	})
}

const installNewApk = (url)=> {
	return new Promise((resolve, reject)=> {
		let downInstance = uni.downloadFile({
			url: url,
			success: (downloadResult) => {
				hideLoading()
			    if (downloadResult.statusCode === 200) {
					showLoading('正在安装...')
			        plus.runtime.install(downloadResult.tempFilePath, {  
			            force: true  
			        }, function() {
						hideLoading()
			            console.log('install success...');  
			            plus.runtime.restart();
						resolve()
			        }, function(e) { 
						hideLoading()
			            console.error('install fail...');
						reject()
			        });  
			    } else {
					reject()
				}
			},
			fail: (err)=> {
				console.log('download file err...', err);  
				hideLoading()
			}
		});
		downInstance.onProgressUpdate((res)=> {
			let { totalBytesExpectedToWrite, totalBytesWritten } = res
			let percent = (totalBytesWritten / totalBytesExpectedToWrite) * 100
			showLoading(`下载进度：${parseInt(percent)}%`)
		})
	})
}

const getLastAppInfo = async (curAppInfo)=> {
	return { 
		version: '1.0.1',
		versionCode: 101,
		apkUrl: '',
		wgtUrl: '',
		// whiteDeviceIds: ['F9E778C90D0E9A8DA9D95AA97B00A3FB'],
	}
}

const compareInfo = (curAppInfo, lastAppInfo)=> {
	let hasNewVersion = false 
	let url = ''
	// 强制更新app
	if(lastAppInfo.version && curAppInfo.version != lastAppInfo.version) {
		hasNewVersion = true
		url = lastAppInfo.apkUrl
	}
	// 热更新
	if(!url && lastAppInfo.versionCode && curAppInfo.versionCode != lastAppInfo.versionCode) {
		hasNewVersion = true
		url = lastAppInfo.wgtUrl
	}
	// 判断是否走白名单更新
	if(lastAppInfo.whiteDeviceIds?.length > 0) {
		let sysInfo = getSystemInfo()
		hasNewVersion = lastAppInfo.whiteDeviceIds.indexOf(sysInfo?.deviceId) > -1
	}
	
	return {
		hasNewVersion,
		url,
		lastAppInfo
	}
}

export const checkUpdate = async ()=> {
	let curAppInfo = await getCurrentAppInfo()
	let lastAppInfo = await getLastAppInfo(curAppInfo)
	let cmpRes = await compareInfo(curAppInfo, lastAppInfo)
	if(cmpRes.hasNewVersion) {
		let fmBl = confirmModal(`app最新版本：${cmpRes.lastAppInfo.version}.${cmpRes.lastAppInfo.versionCode}, 是否更新?`)
		if(fmBl) {
			await installNewApk(cmpRes.url)
		}
	}
}