platform-ios/RainbowPlanet/RainbowPlanet/Modules/CommonModules/LocationModule/SelfRecommendation/View/SelfRecommendationView.swift

//
//  SelfRecommendationView.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/4/19.
//  Copyright © 2019 南鑫林. All rights reserved.
//

import UIKit

class SelfRecommendationView: BaseView {

    
    typealias GoShoppingBlock = () -> Void
    var goShoppingBlock : GoShoppingBlock?
    
    typealias DidSelectGoShoppingBlock = (_ indexPath: IndexPath) -> Void
    var didSelectGoShoppingBlock : DidSelectGoShoppingBlock?
    
    typealias ChangeLocationBlock = (_ locationAddress: String) ->Void
    var changeLocationBlock : ChangeLocationBlock?
    
    var locationAddress: String? {
        didSet {
             locationAddressLable.text = locationAddress
        }
    }
    
    var selfMentionAddressArray : Array<SelfMentionAddressModel>?{
        didSet {
            if selfMentionAddressArray?.isEmpty ?? true {
                collectionView.endFooterNoMoreData()
            }else {
                collectionView.isHiddenFooter(false)
            }
            collectionView.reloadData()
        }
    }
    
    override func setupViews() {
        backgroundColor = kf7f8faColor
        addSubview(locationBgImageView)
        locationBgImageView.addSubview(locationTitleLable)
        locationBgImageView.addSubview(locationAddressLable)
        locationBgImageView.addSubview(changeLocationButton)
        
        addSubview(collectionView)
        let emptyView = DIYEmptyView.emptyActionView(withImageStr: "default_page_location", titleStr: "当前位置没有自提点，先进商城逛逛吧", detailStr: nil, btnTitleStr: "去商城") {
            [weak self] in
            /// 跳转到商场
            if let goShoppingBlock = self?.goShoppingBlock {
                goShoppingBlock()
            }
        }
        emptyView?.subViewMargin = 25
        emptyView?.actionBtnFont = kRegularFont16
        emptyView?.actionBtnHeight = 36
        emptyView?.actionBtnHorizontalMargin = 56
        emptyView?.actionBtnCornerRadius = 36/2
        emptyView?.actionBtnTitleColor = kffffffColor
        emptyView?.actionBtnBackGroundColor = kFFA42FColor
        emptyView?.contentViewY = kScaleValue(value: 60)
        collectionView.ly_emptyView = emptyView
        collectionView.ly_startLoading()
    }
    
    override func setupLayouts() {
        locationTitleLable.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(kScaleValue(value: 22))
            make.centerX.equalToSuperview()
        }
        locationAddressLable.snp.makeConstraints { (make) in
            make.top.equalTo(locationTitleLable.snp.bottom).offset(kScaleValue(value: 12))
            make.left.equalToSuperview().offset(kScaleValue(value: 20))
            make.right.equalToSuperview().offset(kScaleValue(value: -20))
        }
        changeLocationButton.snp.makeConstraints { (make) in
            make.top.equalTo(locationAddressLable.snp.bottom).offset(kScaleValue(value: 16))
            make.width.equalTo(kScaleValue(value: 80))
            make.height.equalTo(kScaleValue(value: 24))
            make.centerX.equalToSuperview()
        }
        
        locationBgImageView.snp.makeConstraints { (make) in
            make.top.left.right.equalToSuperview()
            make.bottom.equalTo(changeLocationButton).offset(kScaleValue(value: 22))
        }
        
        collectionView.snp.makeConstraints { (make) in
            make.top.equalTo(locationBgImageView.snp.bottom)
            make.left.right.bottom.equalToSuperview()
        }
    }
    
    private lazy var locationBgImageView: UIImageView = {
        let locationBgImageView = UIImageView()
        locationBgImageView.image = kImage(name: "my_bg")
        locationBgImageView.isUserInteractionEnabled = true
        return locationBgImageView
    }()
    
    private lazy var locationTitleLable: UILabel = {
        let locationTitleLable = UILabel()
        locationTitleLable.text = "当前位置"
        locationTitleLable.textColor = kffffffColor
        locationTitleLable.font = kScaleRegularFont14
        return locationTitleLable
    }()
    
    private lazy var locationAddressLable: UILabel = {
        let locationAddressLable = UILabel()
        let locationModel = LocationModel.shared().object()
        locationAddressLable.text = locationModel!.toString()
        locationAddressLable.textColor = kffffffColor
        locationAddressLable.font = kScaleBoldFont16
        locationAddressLable.textAlignment = .center
        locationAddressLable.numberOfLines = 0
        return locationAddressLable
    }()
    
    private lazy var changeLocationButton: UIButton = {
        let changeLocationButton  = UIButton(type: UIButton.ButtonType.custom)
        changeLocationButton.setTitle("修改位置", for: UIControl.State.normal)
        changeLocationButton.setBackgroundImage(UIImage.imageWithColor(color: kffffffColor), for: UIControl.State.normal)
        changeLocationButton.setTitleColor(kffb04AColor, for: UIControl.State.normal)
        changeLocationButton.titleLabel?.font = kScaleRegularFont13
        changeLocationButton.cornerRadius = kScaleValue(value: 12)
        changeLocationButton.masksToBounds = true
        changeLocationButton.rx.tap.subscribe(onNext: {
            [weak self] in
            
            if let changeLocationBlock = self?.changeLocationBlock {
                changeLocationBlock(self?.locationAddressLable.text ?? "")
            }
            
        }).disposed(by: disposeBag)
        return changeLocationButton
    }()
    
    lazy var collectionView: UICollectionView = {
        let collectionView = UICollectionView.init(frame: CGRect.zero, collectionViewLayout: collectionViewLayout)
        collectionView.backgroundColor = kf7f8faColor
        collectionView.delegate = self;
        collectionView.dataSource = self;
        collectionView.showsVerticalScrollIndicator = false
        collectionView.showsHorizontalScrollIndicator = false
        return collectionView
    }()
    
    private lazy var collectionViewLayout: UICollectionViewFlowLayout = {
        let collectionViewLayout = UICollectionViewFlowLayout.init()
        collectionViewLayout.minimumLineSpacing = 0
        collectionViewLayout.minimumInteritemSpacing = 0
        collectionViewLayout.estimatedItemSize = CGSize(width:kScreenWidth-kScaleValue(value: 28), height: kScaleValue(value: 110))
        collectionViewLayout.sectionHeadersPinToVisibleBounds = true
        return collectionViewLayout
    }()
    
    
}

extension SelfRecommendationView : UICollectionViewDelegateFlowLayout,UICollectionViewDataSource {
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return selfMentionAddressArray?.isEmpty ?? true ? 0 : 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        switch section {
        case 0:
            return selfMentionAddressArray?.isEmpty ?? true ? 0 : selfMentionAddressArray?.count ?? 0
        default:
            return 0
        }
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        switch indexPath.section {
        case 0:
            let cell = SelfRecommendationCollectionViewCell.cellWith(collectionView: collectionView, indexPath: indexPath)
            cell.selfMentionAddressModel = selfMentionAddressArray![indexPath.row]
            return cell
        default:
            return UICollectionViewCell()
        }
        
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        if let didSelectGoShoppingBlock = self.didSelectGoShoppingBlock {
            didSelectGoShoppingBlock(indexPath)
        }
        
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        switch section {
        case 0:
            return UIEdgeInsets(top: 0, left: kScaleValue(value: 10), bottom: kScaleValue(value: 10), right: kScaleValue(value: 10))
        default:
            return UIEdgeInsets(top: 0, left: 0, bottom: 0, right: 0)
        }
        
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, minimumLineSpacingForSectionAt section: Int) -> CGFloat {
        switch section {
        case 0:
            return kScaleValue(value: 10)
        default:
            return 0
        }
    }
    
    func collectionView(_ collectionView: UICollectionView, viewForSupplementaryElementOfKind kind: String, at indexPath: IndexPath) -> UICollectionReusableView {
        
        if kind == UICollectionView.elementKindSectionHeader {
            switch indexPath.section {
            case 0:
                let headerView = SelfRecommendationHeaderCollectionReusableView.headerWith(collectionView: collectionView, kind: UICollectionView.elementKindSectionHeader, indexPath: indexPath)
                return headerView
            default:
                return UICollectionReusableView()
            }
        }else {
            return UICollectionReusableView()
        }
    }
    
    // 返回HeadView的宽高
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, referenceSizeForHeaderInSection section: Int) -> CGSize {
        switch section {
        case 0:
            return CGSize(width:kScreenWidth, height: kScaleValue(value: 57))
        default:
            return CGSize(width:kScreenWidth, height: 0)
        }
    }
    
}