platform-ios/RainbowPlanet/RainbowPlanet/Modules/PublishModule/PublishMusicAbout/PublishRecordMusicView.swift

//
//  PublishRecordMusicView.swift
//  RainbowPlanet
//
//  Created by Christopher on 2019/7/19.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//  录制视频--选择音乐のView

import UIKit
import RxSwift
import SwiftyMediator
import JXSegmentedView

class PublishRecordMusicView: BaseView {
    
    typealias RecommendClosure = () -> Void
    var recommendClosure : RecommendClosure?
    
    @objc public var curMusicUrl: String? {
        didSet {
            // 获取分类列表
            self.communityGetMusicCategoryApi()
        }
    }
    
    override init(frame: CGRect) {
        super.init(frame: frame)
        
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    var categoryTitleArr = Array<String>()
    
    var categoryListMdlArr : Array<MusicCategoryItemModel>? {
        didSet {
            guard categoryListMdlArr?.isEmpty ?? true else {
                for categoryMdl in categoryListMdlArr! {
                    categoryTitleArr.append(categoryMdl.name!)
                }
                setupSegmentedView()
                return
            }
            setupSegmentedView()
            return
        }
    }
    
    override func setupViews() {
        self.backgroundColor = UIColor.clear
        
        configRectCorner(corner: [.topLeft,.topRight], radii: CGSize(width: 8, height: 8))
        
        addSubview(cancelButton)
        
        addSubview(recommendLabel)
        addSubview(recommendButton)
    }
    
    override func setupLayouts() {
        
        cancelButton.snp.makeConstraints { (make) in
            make.top.equalTo(2)
            make.left.equalTo(3)
            make.size.equalTo(44)
        }
        
        recommendLabel.snp.makeConstraints { (make) in
            make.centerX.equalTo(kScreenWidth*0.5-20)
            make.bottom.equalTo(-(kSafeTabBarHeight+20))
            make.height.equalTo(20)
        }
        recommendButton.snp.makeConstraints { (make) in
            make.left.equalTo(recommendLabel.snp_right)
            make.height.equalTo(30)
            make.centerY.equalTo(recommendLabel.snp_centerY)
            make.width.equalTo(60)
        }
        
    }
    
    func setupSegmentedView() {
        addSubview(segmentedView)
        addSubview(listContainerView)
    }
    
    // MARK: - 视图创建
    lazy var cancelButton: UIButton = {
        let cancelButton = UIButton(type: UIButton.ButtonType.custom)
        cancelButton.setImage(kImage(name: "video_btn_close_white"), for: .normal)
        cancelButton.rx.tap.subscribe(onNext: { [weak self] in
            NotificationCenter.default.post(name: NSNotification.Name(rawValue: "RecordCloseMusicChooseViewNoti"), object: nil)
            
            MusicPlayManager.shared().destroyPlayer()
            MusicPlayManager.shared().curPlayingId = -1
        }).disposed(by: disposeBag)
        return cancelButton
    }()
    
    lazy var recommendLabel: UILabel = {
        let recommendLabel = UILabel()
        recommendLabel.text = "没有找到想要的音乐？"
        recommendLabel.textColor = k999999Color
        recommendLabel.font = kRegularFont14
        return recommendLabel
    }()
    
    lazy var recommendButton: UIButton = {
        let recommendButton = UIButton(type: UIButton.ButtonType.custom)
        recommendButton.setTitle("点击推荐", for: UIControl.State.normal)
        recommendButton.setTitleColor(kffffffColor, for: UIControl.State.normal)
        recommendButton.titleLabel?.font = kMediumFont14
        recommendButton.rx.tap.subscribe(onNext: { [weak self] in
            Mediator.push(PublishRouterModuleType.pushMucisChooseView)
        }).disposed(by: disposeBag)
        return recommendButton
    }()
    
    //MARK: -
    //1.初始化JXSegmentedView
    lazy var segmentedView: JXSegmentedView = {
        let segmentedView = JXSegmentedView(frame: CGRect(x: 0, y: 48, width: kScreenWidth, height: 44))
        segmentedView.delegate = self
        segmentedView.dataSource = segmentedDataSource
        segmentedView.indicators = [indicator]
        segmentedView.contentScrollView = listContainerView.scrollView
        segmentedView.defaultSelectedIndex = 0
        
        let lineWidth: CGFloat = 0.5
        let lineLayer = CALayer()
        lineLayer.backgroundColor = k999999Color.cgColor
        lineLayer.frame = CGRect(x: 0, y: segmentedView.bounds.height - lineWidth, width: segmentedView.bounds.width, height: lineWidth)
        segmentedView.layer.addSublayer(lineLayer)
        return segmentedView
    }()
    
    //2.初始化dataSource
    lazy var segmentedDataSource: JXSegmentedTitleDataSource = {
        let segmentedDataSource = JXSegmentedTitleDataSource()
        segmentedDataSource.titles = categoryTitleArr
        segmentedDataSource.isTitleColorGradientEnabled = true
        segmentedDataSource.isItemSpacingAverageEnabled = true
        segmentedDataSource.isTitleZoomEnabled = true
        segmentedDataSource.titleNormalColor = kbbbbbbColor
        segmentedDataSource.titleSelectedColor = kffffffColor
        segmentedDataSource.titleNormalFont = kRegularFont14!
        segmentedDataSource.titleSelectedFont = kMediumFont14
        
        //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 = kffffffColor
        indicator.indicatorHeight = 3
        indicator.indicatorWidth = 20
        indicator.cornerRadius = 1.5
        indicator.masksToBounds = true
        return indicator
    }()
    
    //4.初始化JXSegmentedListContainerView
    private lazy var listContainerView: JXSegmentedListContainerView = {
        let listContainerView = JXSegmentedListContainerView(dataSource: self)
        listContainerView.didAppearPercent = 0.01
        listContainerView.defaultSelectedIndex = 0
        listContainerView.frame = CGRect(x: 0, y: 48+44, width: kScreenWidth, height: kScreenHeight - kSafeTabBarHeight - kSafeStatusBarHeight - 55 - 114)
        return listContainerView
    }()
}

// MARK: - JXSegmentedViewDelegate
extension PublishRecordMusicView : 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) {
        //传递didClickSelectedItemAt事件给listContainerView，必须调用！！！
        listContainerView.didClickSelectedItem(at: index)
    }
    
    // 点击选中的情况才会调用该方法
    func segmentedView(_ segmentedView: JXSegmentedView, didClickSelectedItemAt index: Int) {
        listContainerView.didClickSelectedItem(at: index)
    }
    
    // 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) {
        //传递scrolling事件给listContainerView，必须调用！！！
        listContainerView.segmentedViewScrolling(from: leftIndex, to: rightIndex, percent: percent, selectedIndex: segmentedView.selectedIndex)
    }
    
    /// 是否允许点击选中目标index的item
    func segmentedView(_ segmentedView: JXSegmentedView, canClickItemAt index: Int) -> Bool {
        return true
    }
}

// MARK: - JXSegmentedListContainerViewDataSource
extension PublishRecordMusicView :JXSegmentedListContainerViewDataSource {
    
    func numberOfLists(in listContainerView: JXSegmentedListContainerView) -> Int {
        if let titleDataSource = segmentedView.dataSource as? JXSegmentedBaseDataSource {
            return titleDataSource.dataSource.count
        }
        return 0
    }
    func listContainerView(_ listContainerView: JXSegmentedListContainerView, initListAt index: Int) -> JXSegmentedListContainerViewListDelegate {
        let listVc = PublishMusicListController()
        listVc.curMusicUrl = self.curMusicUrl
        listVc.categoryItemMdl = categoryListMdlArr![index]
        listVc.playMusicClosure = {
            [weak self] (musicUrl) in
            if musicUrl == "" {
                // 点击了不选择音乐
                self?.chooseMusicAction(musicUrl)
            } else {
                MusicPlayManager.shared().initPlay()
                MusicPlayManager.shared().audioUrl = musicUrl
                MusicPlayManager.shared().playAudio()
            }
        }
        listVc.chooseMusicClosure = {
            [weak self] (musicUrl) in
            self?.chooseMusicAction(musicUrl)
        }
        return listVc
    }
    
    func chooseMusicAction(_ musicUrl: String) {
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: "RecordDownloadMusicAndCombineNoti"), object: musicUrl)
        NotificationCenter.default.post(name: NSNotification.Name(rawValue: "RecordCloseMusicChooseViewNoti"), object: nil)
        
        MusicPlayManager.shared().destroyPlayer()
        MusicPlayManager.shared().curPlayingId = -1
    }
}

// MARK: - 网络请求
extension PublishRecordMusicView {
    /// 获取音乐分类
    func communityGetMusicCategoryApi() {
        SwiftMoyaNetWorkServiceCommunity.shared().communityGetMusicCategoryApi() {
            [weak self] (musicCategoryListModel) -> (Void) in
            let musicCategoryListModel = musicCategoryListModel as? CommunityMusicCategoryListModel
            self?.categoryListMdlArr = musicCategoryListModel?.data
        }
    }
}