//
//  LoginView.swift
//  Weibo
//
//  Created by Qihua Pan on 2020/8/17.
//  Copyright © 2020 Qihua Pan. All rights reserved.
//

import SwiftUI
import CoreData



struct LoginView: View {
    
    @Environment(\.managedObjectContext) var contenxt:NSManagedObjectContext
    
    @EnvironmentObject var user:User
    
    func login() {
        let request=WBAuthorizeRequest()
        request.redirectURI="https://api.weibo.com/oauth2/default.html"
        WeiboSDK.send(request)
    }
    
    var body: some View {
        VStack {
            if (self.$user.uid.wrappedValue != nil){
                Text("uid=\(self.$user.uid.wrappedValue!)")
            }else{
                Button(action: {
                    self.login()
                }) {
                    Text("跳转到授权登陆页面")
                }
            }

            
        }
    }
}


struct LoginView_Previews: PreviewProvider {

    static var previews: some View {
        LoginView().environment(\.managedObjectContext, UserData.getContext()).environmentObject(UserData.getUser())
    }
}