new/CommonFrame/ShoppingMallCollectionViewController.swift

//
//  ShoppingMallViewController.swift
//  CommonFrame
//
//  Created by Virgil on 2019/4/18.
//  Copyright © 2019 Virgil. All rights reserved.
//

import UIKit

class ShoppingMallCollectionViewController: BaseViewController, UICollectionViewDataSource, UICollectionViewDelegateFlowLayout {

    @IBOutlet weak var collectionView: UICollectionView!
     let numLabel = UILabel.init()
    override func viewDidLoad() {
        super.viewDidLoad()
        self.navInit()
        self.loadType()

        collectionView.register(UINib(nibName: "StudyCollectionReusableView", bundle: nil), forSupplementaryViewOfKind: UICollectionView.elementKindSectionHeader, withReuseIdentifier: "StudyCollectionReusableView")

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

        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: 16)
        collectionView.mj_header?.beginRefreshing()

        let shopBtn = UIButton.init()
        shopBtn.frame = CGRect(x: kScreenWidth-60, y: kScreenHeight-150, width: 45, height: 45)
        shopBtn.addTarget(self, action: #selector(goShopCart), for: .touchUpInside)
        shopBtn.setImage(UIImage.init(named: "icon_shop_cart"), for: .normal)
        self.view.addSubview(shopBtn)
        numLabel.frame = CGRect(x: shopBtn.mj_x+35, y: shopBtn.mj_y+8, width: 15, height: 15)
        //        numLabel.center = shopCarBtn.center
                numLabel.backgroundColor = .red
                numLabel.font = UIFont.systemFont(ofSize: 10)
                numLabel.textColor = .white
                numLabel.layer.cornerRadius = 7.5
                numLabel.textAlignment = .center
                numLabel.layer.masksToBounds = true
                numLabel.isHidden = true
                self.view.addSubview(numLabel)
                loadNum()

    }
    // 自定义导航栏
    func navInit() {
        let viewNav = (CommonViewUntils.getViewForXIB(xibName: "NavView") as! NavView)
        viewNav.initView(title: "商城") {[weak self] (index, _) in
            if index == 1 {
//                self!.handleBack();
                // 我的订单
                let vc = MyOrderViewController()
                self?.navigationController?.pushViewController(vc, animated: true)
            }
        }
        self.view.addSubview(viewNav)
        viewNav.btnLeft.isHidden = true
        viewNav.initRightBtn(title: "我的订单")

    }
    @objc func goShopCart() {
            toViewController(viewController: OrderController())
    }
    
       var typeId = ""
    ///加载头部的菜单
      func loadMenu() {
          var arrTitle = [String]()
          for i in 0 ..< arrType.count {
              arrTitle.append(arrType.getString(index: i, key: "type_name"))
          }
          let segment = Virgil_SegmentView(frame: CGRect(x: 0, y: common_nav_status_height, width: ScreenWidth, height: 47), titles: arrTitle, defaultColor: CommonUntils.getUIColorFromRGB(rgbValue: 0x333333, alpha: 1.0), currentColor: CommonUntils.getUIColorFromRGB(rgbValue: 0x2094F5, alpha: 1.0), lineHeight: 2, lineIsBottom: true) {[weak self] (index) in
              self!.currentPage = 1
            let dic = self?.arrType[index] as!NSDictionary
            self?.typeId = "\(dic["product_type"] as! Int)"

              self!.collectionView.mj_header?.beginRefreshing()
          }
          self.view.addSubview(segment)
        let dic = self.arrType[0] as!NSDictionary
        self.typeId = "\(dic["product_type"] as! Int)"

          collectionView.mj_header?.beginRefreshing()
      }
    // MARK: =============加载数据===============
var productType = 1
    func loadData() {
//        let url = RequestURL.productPageList;

        let params = NSMutableDictionary()
        params.setValue(CommonValue.getUserId(), forKey: "userId")
        params.setValue(self.typeId, forKey: "productType")
        TloadDataListForCollectionView(url: RequestURL.getProductList, params: params, collectionView: collectionView, tag: 1001)
    }
    var arrType = NSArray()
      // MARK: =============加载数据===============
      func loadType() {

          let params = NSMutableDictionary()
        params.setValue(CommonValue.getUserId(), forKey: "userId")

//          loadDataList(url: url, params: params, tag: 1001, array: arrType)
         let http = AFHTTPSessionManager()

        http.get(RequestURL.getProductType, parameters: params, progress: { (_) in

              }, success: { (operation, json) in

                  print(json as Any)
                  let success = (json as! NSDictionary).object(forKey: "statusCode") as! Int

                  if success == 200 {
                    self.arrType = (json as! NSDictionary).object(forKey: "data")   as! NSArray

                    self.loadMenu()

                  }

              }) { (_, _) in

              }

      }

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

    }

    //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  + 58)
    }

    //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
            reusableView.lblTitle.isHidden = true
            reusableView.lblLine.isHidden = true
        } else {
            reusableView = StudyCollectionReusableView()
        }
        return reusableView
    }

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

        let  cell  = collectionView.dequeueReusableCell(withReuseIdentifier: "ShoppingMallCollectionViewCell", for: indexPath) as! ShoppingMallCollectionViewCell
        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 view = ShoppingMallDetailViewController()
        view.id = getString(current: indexPath.row, key: "id")
        self.navigationController?.pushViewController(view, animated: true)
    }

    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        appDelegate.setNavigationBarHidden(isHidden: true)

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

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

             let params = NSMutableDictionary()
             params.setValue(CommonValue.getUserId(), forKey: "userId")
          let http = AFHTTPSessionManager()

           http.get(RequestURL.getProductOrderList, parameters: params, progress: { (_) in

                    }, success: { (operation, json) in

                        print(json as Any)
                        let success = (json as! NSDictionary).object(forKey: "statusCode") as! Int

                        if success == 200 {

                          let dataArr: NSArray = (json as! NSDictionary).object(forKey: "data") as! NSArray
                           if dataArr.count > 0 {
                               self.numLabel.isHidden = false
                               self.numLabel.text = "\(dataArr.count)"
                           } else {
                               self.numLabel.isHidden = true
                           }

                        }

                    }) { (_, _) in

                    }

       }

}