//
//  StudyViewController.swift
//  xingchuangke
//
//  Created by Virgil on 2019/3/22.
//  Copyright © 2019 Virgil. All rights reserved.
//

import UIKit

class StudyViewController: BaseViewController, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {

    @IBOutlet weak var collectionView: UICollectionView!
    @IBOutlet weak var viewMenu4: UIView!
    @IBOutlet weak var viewMenu3: UIView!
    @IBOutlet weak var viewMenu2: UIView!
    @IBOutlet weak var viewMenu1: UIView!
    @IBOutlet weak var viewTop: UIView!
    override func viewDidLoad() {
        super.viewDidLoad()

        self.title = "我的学习"
        initNavLeftBackButton()

        //添加header 无header去掉  需要创建  UICollectionReusableView
        collectionView.register(UINib(nibName: "StudyCollectionReusableView", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "StudyCollectionReusableView")

        collectionView.register(UINib(nibName: "StudyCollectionViewCell", bundle: nil), forCellWithReuseIdentifier: "StudyCollectionViewCell")

        collectionView.delegate = self
        collectionView.dataSource = self
        collectionView.showsVerticalScrollIndicator = false
        collectionView.mj_header = MJRefreshNormalHeader(refreshingBlock: {[weak self] in
            self!.currentPage = 1
            self!.loadData()
        })
        collectionView.mj_header?.lastUpdatedTimeKey = "NewsListViewController"
        collectionView.mj_footer = MJRefreshBackNormalFooter(refreshingBlock: {[weak self] in
            self!.currentPage += 1
            self!.loadData()
        })

        //设置header 大小 无header去掉
        let collectionLayout = collectionView.collectionViewLayout as! UICollectionViewFlowLayout
        collectionLayout.headerReferenceSize = CGSize(width: ScreenWidth, height: 44)
        collectionView.mj_header?.beginRefreshing()
    }

    // MARK: =============加载数据===============
    func loadData() {
        let url = RequestURL.onlineList
        let params = NSMutableDictionary()
        params.setValue("1", forKey: "isRec")
        params.setValue("FFFFFF", forKey: "typeId")
        loadDataListForCollectionView(url: url, params: params, collectionView: collectionView, tag: 1001)

    }
    override func returnData(tag: Int) {
        if tag == 1001 {
            collectionView.reloadData()
        }
    }
    override func returnError(tag: Int, type: String) {

    }

    //btnAddTarget(view: self.view, selector: #selector(self.btnMenuClick))
    @IBAction func btnMenuClick(_ sender: AnyObject) {

        switch (sender as! UIButton).tag {
        case 1001: // 在线学习
            appDelegate.navController.pushViewController(StudyTypeViewController(), animated: true)
            break
        case 1002: // 线下培训
            appDelegate.navController.pushViewController(UnderLineTrainViewController(), animated: true)
            break
        case 1003: // 我的课程
            appDelegate.navController.pushViewController(MyClassViewController(), animated: true)
            break
        case 1004: // 知识库
            appDelegate.navController.pushViewController(KnowledgeBaseViewController(), animated: true)
            break
        case 1005: //

            break
        case 1006: //

            break
        default:
            break
        }
    }

    //返回分区个数
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }

    //返回每个分区的item个数
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {

        return self.arrData.count

    }
    //定义每个UICollectionView 的大小
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {

        return CGSize(width: ScreenWidth / 2, height: (ScreenWidth - 30) / 2 / 170 * 103 + 68)

    }

    //初始化header
    func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {

        var reusableView: StudyCollectionReusableView!
        if kind == UICollectionView.elementKindSectionHeader {
            reusableView =  collectionView.dequeueReusableSupplementaryView(ofKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "StudyCollectionReusableView", for: indexPath) as! StudyCollectionReusableView
            if reusableView.subviews.count < 1 {
                //reusableView.addSubview(viewTop);
            }
        } else {
            reusableView = StudyCollectionReusableView()
        }
        return reusableView
    }

    //初始化cell
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {

        let  cell  = collectionView.dequeueReusableCell(withReuseIdentifier: "StudyCollectionViewCell", for: indexPath) as! StudyCollectionViewCell
        cell.initCell(rowIndex: indexPath.row, dic: self.arrData[indexPath.row] as! NSDictionary)
        return cell

    }

    //定义每个UICollectionView 的间距
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {

        return UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
    }

    //定义每个UICollectionView 纵向的间距
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumInteritemSpacingForSectionAt section: Int) -> CGFloat {
        return 0
    }

    //选中
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        let vc = StudyDetailViewController()
        vc.dicData.setDic(dic: self.arrData[indexPath.row] as! NSDictionary)
        appDelegate.navController.pushViewController(vc, animated: true)
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        appDelegate.setNavigationBarHidden(isHidden: false)
        self.tabBarController?.title = "我的学习"
    }

    override init(nibName nibNameOrNil: String?, bundle nibBundleOrNil: Bundle?) {
        super.init(nibName: "StudyViewController", bundle: nil)
    }

    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
}