//
//  SendView.swift
//  Weibo
//
//  Created by Qihua Pan on 2020/8/20.
//  Copyright © 2020 Qihua Pan. All rights reserved.
//

import SwiftUI
import CoreData

import Alamofire
import SwiftyJSON
struct SendView: View {
    
    @Environment(\.managedObjectContext) var contenxt:NSManagedObjectContext
    
    @EnvironmentObject var user:User
    
    var flag={}
    
    @State var text:String?=""
    @State private var textStyle = UIFont.TextStyle.body
 
    //全局记录高度的值
//    @State var value:CGFloat = 0
    
    let domain="https://sukura.com"
    
    @State var showAlert=false
    
    @State var showTip=false
    
    var body: some View {
            VStack {
                if self.showTip{
                    Spacer()
                    LoadView()
                    Spacer()
                }
                else{
                                    HStack {
                                        Button(action: {
                                            self.flag()
                                            
                //                            self.alert(isPresented: self.$showAlert, content: {
                //                                Alert(title: Text("fuck"),primaryButton: .destructive(Text("确认")) { print("转出中...") }, secondaryButton: .cancel())
                //
                //                                }).navigationBarTitle(Text("Alert"))
                                        }) {
                                            Text("取消")
                                                .foregroundColor(Color.black)
                                        }
                                        Spacer()
                                        VStack {
                                            Text("发微博")
                //                            Text(self.$user.name).foregroundColor(Color.gray)
                                            Text("用户7450769290")
                                                .foregroundColor(Color.gray)
                                        }
                                        Spacer()
                                        
                                        Button(action: {
                                            print("send")
                                            if let access_token=self.user.access_token,let text=self.text{
                                            self.showTip=true
                                          
                                                AF.request("https://api.weibo.com/2/statuses/share.json",method: .post,parameters: ["access_token":access_token,"status":"\(text):\(self.domain)"]).responseJSON { response in
                                                self.showTip=false
                                                       if let data=response.data,let json = try? JSON(data: data){
                                                           print("分享微博信息返回\(json)")
                                                            self.flag()
                                                        }else{
                                                            print("发送微博失败")
                                                            self.alert(isPresented: self.$showAlert, content: {
                                                                Alert(title: Text("错误提示").foregroundColor(Color.red),message: Text("发送微博失败，请联系管理员"))
                                                                })
                                                            }
                                                   }
                                            }
                                        }){
                                            Text("发送")
                                                .foregroundColor(Color.gray)
                                        }
                                        .padding(.all, 5.0)
                                        .frame(width: 50.0)
                                        .background(/*@START_MENU_TOKEN@*/Color.orange/*@END_MENU_TOKEN@*/)
                                        .cornerRadius(30)

                                    }
                                    .padding(.horizontal)
                                    .background(Color(red: 229/255, green: 230/255, blue: 229/255, opacity: 1.0))

                                                        
                //                            MultiLineTextView(text: self.$text, textStyle: self.$textStyle)
                                GrowingTextInputView(text: $text, placeholder: "分享新鲜事...")
                                        HStack {
                                            
                                            Button(action: {

                                            }) {
                                                HStack(spacing: 0.0) {
                                                    Image("location").foregroundColor(Color(red: 148/255, green: 148/255, blue: 148/255, opacity: 1.0))
                                                    Text("你在哪里?").foregroundColor(Color.gray)
                                                }
                                            }
                                            .padding(.all, 10.0)
                        //                         .background(Color.red)
                                            .background(Color(red: 228/255, green: 228/255, blue: 228/255, opacity: 1.0))
                                                 .cornerRadius(20)
                                            Spacer()
                                            if self.text!.count>0{
                                                Text("\(self.text!.count)").font(.title)
                                            }
                                                
                                            Button(action: {
                                                
                                            }) {
                                                HStack(spacing: 0.0) {
                                                    Image("earth")
                                                    Text("公开")
                                                }
                                            }.padding(.all, 10.0)
                        //                        .background(Color.red)
                                            .background(Color(red: 228/255, green: 228/255, blue: 228/255, opacity: 1.0))

                                                 .cornerRadius(/*@START_MENU_TOKEN@*/20.0/*@END_MENU_TOKEN@*/)
                                        }
                                        .padding(.horizontal)
                                            Spacer()
                                        }
//                .offset(y : -value)
//                                               .animation(.spring()).onAppear(perform: {
                                                //键盘抬起
                //                                     NotificationCenter.default.addObserver(forName: UIResponder.keyboardWillShowNotification, object: nil, queue: OperationQueue.current) { (noti) in
                //                                       let value = noti.userInfo![UIResponder.keyboardFrameEndUserInfoKey] as! CGRect
                //                                           let height = value.height
                //                                        self.value = height - UIApplication.shared.windows.first!.safeAreaInsets.bottom
                //                                     }
                //                                     //键盘收起
                //                                  NotificationCenter.default.addObserver(forName: UIResponder.keyboardWillHideNotification, object: nil, queue: OperationQueue.current) { (noti) in
                //                                             self.value = 0
                //                                     }
//                                        })
                    
    }
             
 
        
    
    }
}

class KeyBoardView:UITextField{
    
}

struct SendView_Previews: PreviewProvider {
    static var previews: some View {
        SendView()
    }
}