platform-ios/RainbowPlanet/RainbowPlanet/Modules/CircleModule/Circle/ViewController/CircleViewController.swift

//
//  CircleViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/10/14.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import JXSegmentedView
import JXPagingView
import RxSwift
import SwiftyMediator
import Kingfisher

class CircleViewController: BaseViewController {

    deinit {
        NXLLog("deinit")
    }
    
    override func didReceiveMemoryWarning() {
        super.didReceiveMemoryWarning()
        KingfisherManager.shared.cache.clearDiskCache()
        KingfisherManager.shared.cache.clearMemoryCache()
    }
    
    var circleId : Int?
    var JXTableHeaderViewHeight: Int = Int(114 + kNavBarTotalHeight + 104)
    let JXHeightForHeaderInSection: Int = 44
    var communityCircleModel : CommunityCircleModel?
    var cmsTemplateTitles = ["精选", "留言"]
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupData()
    }
    
    override func setupViews() {
        circleContainerView.addSubview(circleHeaderView)
        view.addSubview(segmentedView)
        view.addSubview(pagingView)
        view.insertSubview(navigationBar, aboveSubview: pagingView)
        setnavigationBar()
    }
    
    override func setupLayouts() {
        navigationBgView.snp.makeConstraints { (make) in
            make.edges.equalToSuperview()
        }
        avatarButton.snp.makeConstraints { (make) in
            make.left.equalTo(navigationBar.leftButton.snp.right)
            make.size.equalTo(20)
            make.centerY.equalTo(navigationBar.rightButton)
        }
        nameButton.snp.makeConstraints { (make) in
            make.centerY.equalTo(avatarButton)
            make.left.equalTo(avatarButton.snp.right).offset(4)
        }
    }
    
    override func setupData() {
        navigationBar.onClickRightButton = {
            [weak self] in
            let vc = CircleShareContentViewController()
            vc.imgUrl = self?.communityCircleModel?.image
            vc.circleNameStr = self?.communityCircleModel?.name ?? ""
            self?.navigationController?.pushViewController(vc, animated: true)
        }
        loadCircleData()
    }
    
    
    /// 加载圈子详情
    func loadCircleData() {
        SwiftMoyaNetWorkServiceCommunity.shared().communityCircleApi(id: circleId ?? 0, completion: {
            [weak self](communityCircleModel) -> (Void) in
           
            self?.communityCircleModel = communityCircleModel as? CommunityCircleModel
            if self?.communityCircleModel?.notice != nil &&  self?.communityCircleModel?.notice != "" {
                self?.JXTableHeaderViewHeight = (self?.JXTableHeaderViewHeight ?? 0) + 84
            }
            self?.setupViews()
            self?.setupLayouts()
            self?.reloadData()
            self?.navigationBar.backgroundImageView.kf.setImage(with: kURLImage(name: self?.communityCircleModel?.image ?? "default_pic"), placeholder: kImage(name: "default_pic"))
            self?.avatarButton.kf.setImage(with: kURLImage(name: self?.communityCircleModel?.image ?? ""), for: UIControl.State.normal, placeholder: kImage(name: "default_avatar"))
            self?.nameButton.setTitle(self?.communityCircleModel?.name, for: UIControl.State.normal)
            self?.circleHeaderView.communityCircleModel = self?.communityCircleModel
            
        }) { (loadingStatus) in
            
        }
    }
    
    
    /// 设置navigationBar
    func setnavigationBar() {
        navigationBar.wr_setLeftButton(image: kImage(name: "navbar_back_white")!)
        navigationBar.wr_setRightButton(image: kImage(name: "nav_share_white")!)
        navigationBar.addSubview(navigationBgView)
        navigationBar.addSubview(avatarButton)
        navigationBar.addSubview(nameButton)
        navigationBar.insertSubview(navigationBgView, aboveSubview: navigationBar.backgroundImageView)
        navigationBar.backgroundImageView.frame = CGRect(x: 0, y: 0, width: kScreenWidth, height: kScreenWidth)
        navigationBar.backgroundImageView.contentMode = .scaleAspectFill
        navigationBar.layer.masksToBounds = true
        // 设置导航栏显示图片
        navigationBar.barBackgroundImage = UIImage(named: "default_pic")
        // 设置初始导航栏透明度
        navigationBar.wr_setBackgroundAlpha(alpha: 0)
        // 设置状态栏style
        statusBarStyle = .lightContent
    }
    
    /// 刷新页面
    func reloadData() {
        segmentedDataSource.titles = cmsTemplateTitles
        segmentedView.indicators = [indicator]
        self.segmentedDataSource.reloadData(selectedIndex: 0)
        self.segmentedView.defaultSelectedIndex = 0
        self.segmentedView.reloadData()
        self.pagingView.reloadData()
    }
    
    lazy var avatarButton: UIButton = {
        let avatarButton = UIButton(type: UIButton.ButtonType.custom)
        avatarButton.setImage(kImage(name: "default_avatar"), for: UIControl.State.normal)
        avatarButton.cornerRadius = 10
        avatarButton.masksToBounds = true
        avatarButton.alpha = 0
        return avatarButton
    }()
    
    lazy var nameButton: UIButton = {
        let nameButton = UIButton(type: UIButton.ButtonType.custom)
        nameButton.setTitle("昵称", for: UIControl.State.normal)
        nameButton.setTitleColor(kffffffColor, for: UIControl.State.normal)
        nameButton.titleLabel?.font = kBoldFont18
        nameButton.alpha = 0
        return nameButton
    }()
    
    lazy var navigationBgView: UIView = {
        let navigationBgView = UIView()
        navigationBgView.backgroundColor = UIColor(hexString: "000000", alpha: 0.5)
        navigationBgView.alpha = 0
        return navigationBgView
    }()
    
    //1.初始化JXSegmentedView
    lazy var segmentedView: JXSegmentedView = {
        let segmentedView = JXSegmentedView(frame: CGRect(x: 0, y: 0, width: UIScreen.main.bounds.size.width, height: CGFloat(JXHeightForHeaderInSection)))
        segmentedView.delegate = self
        segmentedView.dataSource = segmentedDataSource
        segmentedView.contentScrollView = pagingView.listContainerView.collectionView
        segmentedView.contentEdgeInsetLeft = 14
        segmentedView.contentEdgeInsetRight = 14
        return segmentedView
    }()
    
    //2.初始化dataSource
    lazy var segmentedDataSource: JXSegmentedTitleDataSource = {
        let segmentedDataSource = JXSegmentedTitleDataSource()
        segmentedDataSource.isTitleColorGradientEnabled = true
        segmentedDataSource.isItemSpacingAverageEnabled = false
        segmentedDataSource.isTitleZoomEnabled = true
        segmentedDataSource.titleNormalColor = k999999Color
        segmentedDataSource.titleSelectedColor = k333333Color
        segmentedDataSource.titleNormalFont = kMediumFont18!
        segmentedDataSource.titleSelectedFont = kMediumFont18
        segmentedDataSource.titleSelectedZoomScale = 1.0
        segmentedDataSource.itemSpacing = 30
        
        //reloadData(selectedIndex:)方法一定要调用，方法内部会刷新数据源数组
        segmentedDataSource.reloadData(selectedIndex: 0)
        return segmentedDataSource
    }()
    //3.初始化指示器indicator
    lazy var indicator: JXSegmentedIndicatorLineView = {
        let indicator = JXSegmentedIndicatorLineView()
        indicator.indicatorColor = kThemeColor
        indicator.indicatorHeight = 3
        indicator.indicatorWidth = 14
        indicator.verticalOffset = 5
        return indicator
    }()
    
    //4.pagingView
    lazy var pagingView: JXPagingView = {
        let pagingView = JXPagingView(delegate: self)
        pagingView.frame = self.view.frame
        return pagingView
    }()
    // 5.头部headerView
    lazy var circleContainerView: UIView = {
        let circleContainerView = UIView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: CGFloat(JXTableHeaderViewHeight)))
        return circleContainerView
    }()
    
    /// 6.包含头部
    lazy var circleHeaderView: CircleHeaderView = {
        var circleHeaderView =  CircleHeaderView(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: CGFloat(JXTableHeaderViewHeight)))
        return circleHeaderView
    }()
    
    override func viewDidLayoutSubviews() {
        super.viewDidLayoutSubviews()
        pagingView.frame = CGRect(x: 0, y: 0, width: kScreenWidth, height: kScreenHeight)
        
    }
}

extension CircleViewController : JXSegmentedViewDelegate {
    //点击选中或者滚动选中都会调用该方法。适用于只关心选中事件，而不关心具体是点击还是滚动选中的情况。
    func segmentedView(_ segmentedView: JXSegmentedView, didSelectedItemAt index: Int) {
//        self.otherPersonalCenterVCType = index
    }
    
    // 点击选中的情况才会调用该方法
    func segmentedView(_ segmentedView: JXSegmentedView, didClickSelectedItemAt index: Int) {
    }
    
    // 滚动选中的情况才会调用该方法
    func segmentedView(_ segmentedView: JXSegmentedView, didScrollSelectedItemAt index: Int) {
    }
    
    // 正在滚动中的回调
    func segmentedView(_ segmentedView: JXSegmentedView, scrollingFrom leftIndex: Int, to rightIndex: Int, percent: CGFloat) {
    }
    
    /// 是否允许点击选中目标index的item
    func segmentedView(_ segmentedView: JXSegmentedView, canClickItemAt index: Int) -> Bool {
        return true
    }
}

extension CircleViewController : JXPagingViewDelegate {
    func tableHeaderViewHeight(in pagingView: JXPagingView) -> Int {
        return JXTableHeaderViewHeight
    }
    
    func tableHeaderView(in pagingView: JXPagingView) -> UIView {
        return circleContainerView
    }
    
    func heightForPinSectionHeader(in pagingView: JXPagingView) -> Int {
        return JXHeightForHeaderInSection
    }
    
    func viewForPinSectionHeader(in pagingView: JXPagingView) -> UIView {
        pagingView.pinSectionHeaderVerticalOffset = Int(kNavBarTotalHeight)
        return segmentedView
    }
    
    func numberOfLists(in pagingView: JXPagingView) -> Int {
        return cmsTemplateTitles.count
    }
    
    func pagingView(_ pagingView: JXPagingView, initListAtIndex index: Int) -> JXPagingViewListViewDelegate {
        switch index {
        case 0:
            let view = CircleEssenceView()
            view.circleId = circleId
            return view
        default:
            let view = CircleLeavingMessageView()
            view.circleId = circleId
            return view
        }
    }
    
    func mainTableViewDidScroll(_ scrollView: UIScrollView) {
        circleHeaderView.scrollViewDidScroll(contentOffsetY: scrollView.contentOffset.y)
        
        let offsetY = scrollView.contentOffset.y
        if (offsetY > kSafeStatusBarHeight) {
            let alpha = (offsetY - kSafeStatusBarHeight) / CGFloat(kNavBarTotalHeight)
            navigationBar.wr_setBackgroundAlpha(alpha: alpha)
            avatarButton.alpha = alpha
            nameButton.alpha = alpha
            navigationBgView.alpha = alpha
            circleHeaderView.bgView.alpha = 1 - alpha
            circleHeaderView.bgImageView.alpha = 1 - alpha
            
        } else {
            navigationBar.wr_setBackgroundAlpha(alpha: 0)
            avatarButton.alpha = 0
            nameButton.alpha = 0
            navigationBgView.alpha = 0
            circleHeaderView.bgView.alpha = 1
            circleHeaderView.bgImageView.alpha = 1
        }
    }
}