libr-ios/librx/ProfileViewController.swift

//
//  ProfileViewController.swift
//  librx
//
//  Created by Yunlong Zheng on 15/8/5.
//  Copyright (c) 2015年 librx. All rights reserved.
//

import UIKit

class ProfileViewController: UIViewController{
    
    @IBOutlet weak var nameLabel: UILabel!
    @IBOutlet weak var subTitleLabel: UILabel!
    @IBOutlet weak var followerNumLabel: UILabel!
    @IBOutlet weak var follosNumLabel: UILabel!
    @IBOutlet weak var avatarImageView: UIImageView!
    @IBOutlet weak var contentView: UIView!
    @IBOutlet weak var followButton: UIButton!
    @IBOutlet weak var settingButton: UIButton!
    @IBOutlet weak var backButton: UIButton!
   
    private var containerViewController: ContainerViewController!
    private var screenSize: CGRect!
    private var screenWidth: CGFloat!
    private var screenHeight: CGFloat!
    private var isFollowed: Bool = true
    
    private var profile: Profile?
    
    // 其他用户个人中心
    var forceHiddenBackButton: Bool = false
    var isMe:Bool = true
    var userId:Int?
    
    var lastOffsetY :CGFloat = 0
    
    private var loginAction : LoginAction?
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.navigationController?.navigationBar.backgroundColor = UIColor(red: 0, green: 0, blue: 0, alpha: 0.1)
        self.navigationController?.navigationBar.titleTextAttributes = [NSForegroundColorAttributeName: UIColor.whiteColor()]
        
        screenSize = UIScreen.mainScreen().bounds
        screenWidth = screenSize.width
        screenHeight = screenSize.height
        
        self.avatarImageView.layer.cornerRadius = self.avatarImageView.frame.width / 2
        self.avatarImageView.clipsToBounds = true
        self.avatarImageView.layer.borderWidth = 2
        self.avatarImageView.layer.borderColor = UIColor.whiteColor().CGColor
        
        self.followButton.layer.borderWidth = 1
        self.followButton.layer.borderColor = UIColor.whiteColor().CGColor
        self.followButton.hidden = true
        
        self.navigationController?.navigationBar.backgroundColor = UIColor.whiteColor()
        self.navigationController?.navigationBar.tintColor = UIColor.whiteColor()
        
        self.navigationController?.navigationBarHidden = false
        self.navigationController?.setNavigationBarHidden(false, animated: true)
        
        self.settingButton.hidden = true
        self.backButton.hidden = true
        
    }
    
    override func viewDidAppear(animated: Bool) {
        
        super.viewDidDisappear(animated)
        
        
        if self.isMe {
            self.followButton.hidden = true
            loadMeProfile()
            self.settingButton.hidden = false
        } else{
            loadUserProfile(userId!)
            if !self.forceHiddenBackButton{
                self.backButton.hidden = false
            }
            
        }
       
        
    }
    
    override func prefersStatusBarHidden() -> Bool {
        return false
    }
    
    func loadUserProfile(userId: Int){
        
        LibrxService.profile(userId) { [weak self](profile) -> () in
            
            if let selfView = self {
                if let thatProfile = profile {
                    selfView.profile = thatProfile
                    let avatar = NSURL(string: thatProfile.avatar)
                    selfView.avatarImageView.sd_setImageWithURL(avatar, placeholderImage: UIImage(named: "default"))
                    selfView.nameLabel.text = thatProfile.name
                    selfView.subTitleLabel.text = "简介：\(thatProfile.email)"
                    selfView.followerNumLabel.text = String(thatProfile.followersCount)
                    selfView.follosNumLabel.text = String(thatProfile.followsCount)
                    if let loginEdUserId = LocalStore.accessUserId() {
                    
                        if selfView.userId != loginEdUserId {

                            selfView.isFollowed = thatProfile.followed
                            if thatProfile.followed {
                                selfView.followButton.setTitle("已关注", forState: .Normal)
                            } else {
                                selfView.followButton.setTitle("关注", forState: .Normal)
                            }
                            
                            
                            if let _ = LocalStore.accessToken() {
                                selfView.followButton.hidden = false
                            }
                            else{
                                selfView.followButton.hidden = true
                            }

                        
                    }
                }
                }
                
            }
            
        }
        
    }
    
    func loadMeProfile(){
        
        if let _ = LocalStore.accessToken() {
            LibrxService.me { [weak self](profile) -> () in
                
                if let selfView = self {
                    if let _ = profile {
                        self?.profile = profile
                        let avatar = NSURL(string: profile!.avatar)
                        selfView.avatarImageView.sd_setImageWithURL(avatar, placeholderImage: UIImage(named: "default"))
                        selfView.nameLabel.text = profile!.name
                        selfView.subTitleLabel.text = "简介：\(profile!.email)"
                        selfView.followerNumLabel.text = String(profile!.followersCount)
                        selfView.follosNumLabel.text = String(profile!.followsCount)
                    }
                }
                
            }
        }else{
            loginAction = LoginAction(viewController: self, completion: { [weak self]() -> () in
                if let strongSelf = self {
                    strongSelf.dismissViewControllerAnimated(true, completion: nil)
                }
            })
        }

        
    }
    
    @IBAction func unwindToProfile(segue: UIStoryboardSegue) {
        
    }
    
    @IBAction func toggleFollowUser(sender: AnyObject) {
    
        if self.isFollowed {
            self.isFollowed = false
            self.followButton.setTitle("关注", forState: .Normal)
            self.follosNumLabel.text = String(self.profile!.followersCount-1)
            LibrxService.unFollow(userId!)
            return
        } else {
            self.isFollowed = true
            self.followButton.setTitle("已关注", forState: .Normal)
            self.follosNumLabel.text = String(self.profile!.followersCount+1)
            LibrxService.follow(userId!)
            return
        }
        
    }
    
    override func prepareForSegue(segue: UIStoryboardSegue, sender: AnyObject?) {
        
        if segue.identifier == "containerSegue" {
            self.containerViewController = segue.destinationViewController as! ContainerViewController
            self.containerViewController.isMe = isMe
            self.containerViewController.userId = userId
        }
        
    }
  
    
    @IBAction func segmentSwicth(sender: UISegmentedControl) {
        self.containerViewController.turnToPage(sender.selectedSegmentIndex)
        
    }
}

extension ProfileViewController: UIScrollViewDelegate{}
extension ProfileViewController: UIPageViewControllerDelegate{}