platform-ios/RainbowPlanet/RainbowPlanet/Modules/SearchModule/SearchResult/ViewController/SearchResultViewController.swift

//
//  SearchResultViewController.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/4/23.
//  Copyright © 2019 南鑫林. All rights reserved.
//

import UIKit
import JXSegmentedView

class SearchResultViewController: BaseViewController {
    
    deinit {
        if observe != nil {
            NotificationCenter.default.removeObserver(observe!)
        }
    }
    weak var observe : NSObjectProtocol?
    
    var keyWord : String!
    var searchType : SearchType = .content
    
    override func viewDidLoad() {
        super.viewDidLoad()
        setupViews()
        setupLayouts()
        setupData()
    }
    
    override func setupViews() {
        navigationBar.leftButton.isHidden = true
        navigationBar.addSubview(navigationBarView)
        view.addSubview(segmentedView)
        view.addSubview(listContainerView)
        
    }
    
    override func setupLayouts() {
        navigationBarView.snp.makeConstraints { (make) in
            make.top.equalTo(kSafeStatusBarHeight)
            make.bottom.left.right.equalToSuperview()
        }
        
        segmentedView.snp.makeConstraints { (make) in
            make.left.equalToSuperview()
            make.right.equalToSuperview()
            make.height.equalTo(48)
            make.top.equalTo(kNavBarTotalHeight)
        }
        
        listContainerView.snp.makeConstraints { (make) in
            make.top.equalTo(segmentedView.snp.bottom)
            make.left.right.bottom.equalToSuperview()
        }
    }
    
    override func setupData() {
        segmentedReload()
        navigationBarView.backBlock = {
            [weak self]  in
            self?.navigationController?.popViewController(animated: true)
        }
        navigationBarView.searchResultBlock = {
            [weak self] keyWord in
            self?.keyWord = keyWord
            self?.segmentedReload()
        }
        // 商品详情页面
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("SearchProductList"), object: nil, queue: OperationQueue.main) {
            [weak self] (notification) in
            let productSearchModel = notification.object as! ProductSearchModel
            let vc = ProductDetailViewController()
            vc.productId = productSearchModel.id
            vc.shopId = productSearchModel.shopId
            self?.navigationController?.pushViewController(vc, animated: true)
        }
        
        // 用户页面
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("OtherPersonalCenter"), object: nil, queue: OperationQueue.main) {
            [weak self] (notification) in
            let uid = notification.object as! Int
            if uid != UserModel.shared().getModel()?.uid {
                let vc = OtherPersonalCenterViewController()
                vc.uid = uid
                self?.navigationController?.pushViewController(vc, animated: true)
            }
        }
        
        // 话题详情页面
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("CommunityFeaturedTopics"), object: nil, queue: OperationQueue.main) {
            [weak self] (notification) in
            let communityTopicDataModel = notification.object as! CommunityTopicDataModel
            let vc = CommunityFeaturedTopicsViewController()
            vc.id = communityTopicDataModel.id!
            self?.navigationController?.pushViewController(vc, animated: true)
        }
        
        // 内容详情页面
        observe = NotificationCenter.default.addObserver(forName: NSNotification.Name("SearchContentList"), object: nil, queue: OperationQueue.main) {
            [weak self] (notification) in
            let communityPostDataModel = notification.object as! CommunityPostDataModel
            if PostType(rawValue: communityPostDataModel.type ?? "image") == .image || PostType(rawValue: communityPostDataModel.type ?? "html") == .html {
                let vc = CommunityRecommendController()
                vc.id = communityPostDataModel.id ?? 0
                self?.navigationController?.pushViewController(vc, animated: true)
            }else {
                let vc = CommunityVideoListController()
                vc.contentId = communityPostDataModel.id ?? 0
                self?.navigationController?.pushViewController(vc, animated: true)
            }
        }
    }
    
    private lazy var navigationBarView: SearchResultNavigationbarView = {
        let navigationBarView = SearchResultNavigationbarView()
        navigationBarView.searchTextField.text = keyWord
        return navigationBarView
    }()
    
    //1.初始化JXSegmentedViewx
    private lazy var segmentedView: JXSegmentedView = {
        let segmentedView = JXSegmentedView()
        segmentedView.delegate = self
        segmentedView.dataSource = segmentedDataSource
        segmentedView.indicators = [indicator]
        segmentedView.contentScrollView = listContainerView.scrollView
        return segmentedView
    }()
    
    //2.初始化dataSource
    private lazy var segmentedDataSource: JXSegmentedTitleDataSource = {
        let segmentedDataSource = JXSegmentedTitleDataSource()
        segmentedDataSource.titles = ["内容","话题","用户","商品"]
        segmentedDataSource.isTitleColorGradientEnabled = true
        segmentedDataSource.isItemSpacingAverageEnabled = true
        segmentedDataSource.isTitleZoomEnabled = true
        segmentedDataSource.itemSpacing = 30
        segmentedDataSource.titleNormalColor = kbbbbbbColor
        segmentedDataSource.titleSelectedColor = k333333Color
        segmentedDataSource.titleNormalFont = kRegularFont14!
        segmentedDataSource.titleSelectedFont = kBoldFont22
        return segmentedDataSource
    }()
    //3.初始化指示器indicator
    private lazy var indicator: JXSegmentedIndicatorLineView = {
        let indicator = JXSegmentedIndicatorLineView()
        indicator.indicatorColor = kThemeColor
        indicator.indicatorHeight = 4
        indicator.indicatorWidth = 20
        return indicator
    }()
    
    //4.初始化JXSegmentedListContainerView
    private lazy var listContainerView: JXSegmentedListContainerView = {
        let listContainerView = JXSegmentedListContainerView(dataSource: self)
        listContainerView.didAppearPercent = 0.01
        return listContainerView
    }()
    
    ///5.刷新数据
    func segmentedReload() {
        segmentedView.selectItemAt(index: searchType.rawValue)
        segmentedView.defaultSelectedIndex = searchType.rawValue
        listContainerView.defaultSelectedIndex = searchType.rawValue
        //reloadData(selectedIndex:)方法一定要调用，方法内部会刷新数据源数组
        segmentedDataSource.reloadData(selectedIndex: searchType.rawValue)
        listContainerView.reloadData()
        segmentedView.reloadData()
    }
    
}

extension SearchResultViewController : 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) {
        searchType = SearchType(rawValue: index)!
    }
    
    // 点击选中的情况才会调用该方法
    func segmentedView(_ segmentedView: JXSegmentedView, didClickSelectedItemAt index: Int) {
        //传递didClickSelectedItemAt事件给listContainerView，必须调用！！！
        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
    }
}

extension SearchResultViewController :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 {
        switch index {
        /// 内容
        case 0:
            let vc = SearchContentListViewController()
            vc.keyWord = keyWord
            return vc
        /// 话题
        case 1:
            let vc = SearchTopicListViewController()
            vc.keyWord = keyWord
            return vc
        /// 用户
        case 2:
            let vc = SearchUserListViewController()
            vc.keyWord = keyWord
            return vc
        /// 商品
        default:
            let vc = SearchProductListViewController()
            vc.keyWord = keyWord
            return vc
        }
    }
}