//
// O2 App 版本管理
// O2VersionManager.swift
// O2Platform
//
// Created by FancyLou on 2019年11月15日.
// Copyright © 2019 zoneland. All rights reserved.
//

import UIKit
import Alamofire
import CocoaLumberjack
import SwiftyJSON
import ObjectMapper
import Promises

class O2VersionManager {
 
 static let shared: O2VersionManager = {
 return O2VersionManager()
 }()
 
 
 private init() {}
 
 //检查版本
 func checkAppUpdate(call:@escaping (_ versionInfo: O2VersionInfoModel?, _ error :String?) -> Void) {
 if let infoPath = Bundle.main.path(forResource: "Info", ofType: "plist"), let dic = NSDictionary(contentsOfFile: infoPath) {
 if let versionUrl = dic["o2 app version url"] as? String {
 all(self.loadLastAppVersionInfo(url: versionUrl), self.appBuild()).then { (results) in
 let ios = results.0
 let appBuild = results.1
 let onlineIosBuild = Int(string: ios.buildNo ?? "0") ?? 0
 let thisAppBuild = Int(string: appBuild) ?? 0
 if onlineIosBuild > thisAppBuild {
 call(ios, nil)
 }else {
 call(nil, "没有新版本,不需要更新!")
 }
 }.catch { (err) in
 DDLogError(err.localizedDescription)
 call(nil, err.localizedDescription)
 }
 }else {
 DDLogError("没有配置版本更新地址,无法检查更新!")
 call(nil, "没有配置版本更新地址,无法检查更新!")
 }
 }else {
 DDLogError("没有Info.plist文件。。。。。是吗???")
 call(nil, "没有配置版本更新地址,无法检查更新!")
 }
 }
 
 func updateAppVersion(_ downloadUrl: String?) {
 if let obj = downloadUrl {
 DDLogDebug("更新app地址:\(obj)")
 if let appURL = URL(string: obj) {
 if UIApplication.shared.canOpenURL(appURL) {
 UIApplication.shared.openURL(appURL)
 }else {
 DDLogError("地址不对,无法升级!")
 }
 }
 }else {
 DDLogError("download地址为空!")
 }
 }
 
 private func loadLastAppVersionInfo(url: String) -> Promise<O2VersionInfoModel> {
 return Promise { fulfill, reject in
 //获取版本信息
 if let timeUrl = AppDelegate.o2Collect.generateTimestampWithURL(url) {
 DDLogDebug("url with time : \(timeUrl)")
 Alamofire.request(timeUrl).responseJSON {
 response in
 switch response.result {
 case .success(let val):
 let ios = JSON(val)["ios"]
 if let iosModel = Mapper<O2VersionInfoModel>().map(JSONString:ios.description) {
 let build = iosModel.buildNo
 let version = iosModel.versionName
 let url = iosModel.downloadUrl
 DDLogDebug("ios version:\(version ?? "") , build:\(build ?? ""), url:\(url ?? "")")
 fulfill(iosModel)
 }else {
 DDLogError("解析版本信息对象异常")
 reject(OOAppError.jsonMapping(message: "解析版本信息对象异常", statusCode: 1024, data: nil))
 }
 case .failure(let err):
 DDLogError(err.localizedDescription)
 reject(err)
 }
 }
 }
 }
 }
 
 private func appBuild() -> Promise<String> {
 return Promise { fulfill, reject in
 if let info = Bundle.main.infoDictionary {
 let buildId = info["CFBundleVersion"] as? String
 let version = info["CFBundleShortVersionString"] as? String
 DDLogDebug("build: \(buildId ?? "") , version:\(version ?? "")")
 fulfill(buildId ?? "")
 }else {
 DDLogError("没有系统 info !!!!!!")
 reject(OOAppError.common(type: "system", message: "没有系统 info !", statusCode: 1024))
 }
 }
 }

}