platform-ios/RainbowPlanet/RainbowPlanet/Modules/OrderModule/OrderComment/View/OrderCommentTableViewCell.swift

//
//  OrderCommentTableViewCell.swift
//  RainbowPlanet
//
//  Created by Christopher on 2019/5/17.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import RxSwift
import IQKeyboardManagerSwift

class OrderCommentTableViewCell: UITableViewCell {
    
    let disposeBag = DisposeBag()
    
    private let maxImageCount: Int = 6
    
    typealias CommentTextViewClosure = (_ text: String) -> Void
    var commentTextViewClosure : CommentTextViewClosure?
    
    typealias StartChangedBlock = (_ starValue:Int?) -> Void
    var startChangedBlock : StartChangedBlock?
    
    typealias ChoosePicBlock = () -> Void
    var choosePicBlock : ChoosePicBlock?
    
    typealias DelPicTransBlock = (_ idxRow:Int?) -> Void
    var delPicTransBlock : DelPicTransBlock?
    
    var imgCount: Int = 0
    var goodsImageArr: Array<UIImage>? {
        didSet {
            imgCount = self.goodsImageArr?.count ?? 0
        }
    }
    
    var orderModelDetailModel: OrderModelDetailModel? {
        didSet {
            // 商品图片
            iconImageView.kf.setImage(with: kURLImage(name: orderModelDetailModel?.productImg ?? "pic_preload"), placeholder: kImage(name: "pic_preload"))
            starView.value = CGFloat(self.orderModelDetailModel?.starValue ?? 5)
        }
    }
    
    
    class func cellWith(tableView:UITableView,indexPath:IndexPath) -> OrderCommentTableViewCell {
        let ID = "OrderCommentTableViewCell"
        tableView.register(OrderCommentTableViewCell.self, forCellReuseIdentifier: ID)
        let cell : OrderCommentTableViewCell = tableView.dequeueReusableCell(withIdentifier: ID, for: indexPath) as! OrderCommentTableViewCell
        cell.indexPath = indexPath
        return cell
    }
    
    override init(style: UITableViewCell.CellStyle, reuseIdentifier: String?) {
        super.init(style: style, reuseIdentifier: reuseIdentifier)
        setupViews()
        setupLayouts()
    }
    
    required init?(coder aDecoder: NSCoder) {
        fatalError("init(coder:) has not been implemented")
    }
    
    var indexPath: IndexPath? {
        didSet {
            
        }
    }
    
    //MRAK: - 设置View
    private func setupViews() {
        self.selectionStyle = .none
        
        addSubview(cmtBackView)
        cmtBackView.addSubview(iconImageView)
        cmtBackView.addSubview(titleLabel)
        cmtBackView.addSubview(starView)
        
        addSubview(cmtTextView)
        addSubview(collectionView)
    }
    
    private func setupLayouts() {
        cmtBackView.snp.makeConstraints { (make) in
            make.top.left.right.equalToSuperview()
            make.height.equalTo(91)
        }
        iconImageView.snp.makeConstraints { (make) in
            make.top.equalToSuperview().offset(16)
            make.left.equalToSuperview().offset(14)
            make.size.equalTo(55)
        }
        titleLabel.snp.makeConstraints { (make) in
            make.left.equalTo(iconImageView.snp_right).offset(10)
            make.centerY.equalTo(iconImageView)
//            make.width.equalTo(56)
            make.height.equalTo(20)
        }
        starView.snp.makeConstraints { (make) in
            make.left.equalTo(titleLabel.snp_right).offset(12)
            make.centerY.equalTo(iconImageView)
            make.width.equalTo(122)
            make.height.equalTo(20)
        }
        
        cmtTextView.snp.makeConstraints { (make) in
            make.top.equalTo(cmtBackView.snp_bottom)
            make.left.equalTo(14)
            make.right.equalTo(-14)
            make.height.equalTo(100)
        }
        
        collectionView.snp.makeConstraints { (make) in
            make.top.equalTo(cmtTextView.snp_bottom)
            make.left.right.equalToSuperview()
            make.height.equalTo(200)
            make.bottom.equalToSuperview()
        }
        
    }    
    
    private lazy var cmtBackView: UIView = {
        let cmtBackView = UIView()
        return cmtBackView
    }()
    
    private lazy var iconImageView: UIImageView = {
        let iconImageView = UIImageView()
        iconImageView.contentMode = .scaleAspectFit
        iconImageView.contentMode = .scaleAspectFill
        iconImageView.masksToBounds = true
        return iconImageView
    }()
    
    private lazy var titleLabel: UILabel = {
        let titleLabel = UILabel()
        titleLabel.text = "商品评分"
        titleLabel.textColor = k333333Color
        titleLabel.font = kBoldFont14
        titleLabel.textAlignment = .left
        titleLabel.numberOfLines = 1
        return titleLabel
    }()
    
    private lazy var starView: SwiftyStarRatingView = {
        let starView = SwiftyStarRatingView()
        starView.emptyStarImage = kImage(name: "star_rating_empty")
        starView.halfStarImage = kImage(name: "star_rating_half")
        starView.filledStarImage = kImage(name: "star_rating_filled")
        starView.allowsHalfStars = false
        starView.addTarget(self, action: #selector(starViewDidClick), for: .valueChanged)
        return starView        
    }()
    
    private lazy var cmtTextView: IQTextView = {
        let cmtTextView = IQTextView()
        cmtTextView.backgroundColor = kfafafaColor
        cmtTextView.textColor = k333333Color
        cmtTextView.font = kRegularFont14
        cmtTextView.placeholder = "输入商品评价..."
        cmtTextView.placeholderTextColor = k999999Color
        cmtTextView.rx.text.orEmpty.changed.subscribe(onNext: {
            [weak self] (text) in
            self?.cmtTextView.text = String(text.prefix(150)) as String
            if let commentTextViewClosure = self?.commentTextViewClosure {
                commentTextViewClosure(self?.cmtTextView.text ?? "")
            }
        }).disposed(by: disposeBag)
        return cmtTextView
    }()
    
    private lazy var collectionView: UICollectionView = {
        let collectionView = UICollectionView.init(frame: CGRect.zero, collectionViewLayout: collectionViewLayout)
        collectionView.backgroundColor = kffffffColor
        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 = 10
        collectionViewLayout.minimumInteritemSpacing = 0
        return collectionViewLayout
    }()
    
    //加载数据
    func reloadData() {
        //collectionView重新加载数据
        self.collectionView.reloadData()
        //更新collectionView的高度约束
        let contentSize = self.collectionView.collectionViewLayout.collectionViewContentSize
        collectionView.snp.remakeConstraints { (make) in
            make.top.equalTo(cmtTextView.snp_bottom)
            make.left.right.equalToSuperview()
            make.height.equalTo(contentSize.height)
            make.bottom.equalToSuperview()
        }
        self.collectionView.collectionViewLayout.invalidateLayout()
    }
    
    // 评分视图点击
    @objc func starViewDidClick(starView: SwiftyStarRatingView)  {
        let starValue = Int(starView.value)
        if let startChangedBlock = self.startChangedBlock {
            startChangedBlock(starValue)
        }
    }
    
}

extension OrderCommentTableViewCell: UICollectionViewDelegateFlowLayout,UICollectionViewDataSource,UICollectionViewDelegate {
    func numberOfSections(in collectionView: UICollectionView) -> Int {
        return 1
    }
    
    func collectionView(_ collectionView: UICollectionView, numberOfItemsInSection section: Int) -> Int {
        if imgCount < maxImageCount {
            return imgCount+1
        } else {
            return maxImageCount
        }
    }
    
    func collectionView(_ collectionView: UICollectionView, cellForItemAt indexPath: IndexPath) -> UICollectionViewCell {
        if imgCount < maxImageCount && indexPath.row == imgCount {
            // 添加图片
            let aCell = OrderCommentDefaultCollectionCell.cellWith(collectionView: collectionView, indexPath: indexPath)
            if imgCount == 0 {
                aCell.noteStr = "添加照片"
            } else {
                aCell.noteStr = "\(imgCount)/\(maxImageCount)"
            }
            return aCell
        } else {
            // 展示图片
            let pCell = OrderCommentAddImgCollectionCell.cellWith(collectionView: collectionView, indexPath: indexPath)
            if indexPath.row < imgCount {
                pCell.showImage = self.goodsImageArr![indexPath.row]
            }
            pCell.delPicBlock = {
                [weak self] (idxRow) in
                if let delPicTransBlock = self?.delPicTransBlock {
                    delPicTransBlock(idxRow)
                }                
            }
            return pCell
        }
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, sizeForItemAt indexPath: IndexPath) -> CGSize {
        return CGSize(width:(kScreenWidth-30-5*3)/4, height: (kScreenWidth-30-5*3)/4)
    }
    
    func collectionView(_ collectionView: UICollectionView, layout collectionViewLayout: UICollectionViewLayout, insetForSectionAt section: Int) -> UIEdgeInsets {
        return UIEdgeInsets(top: 10, left: 15, bottom: 0, right: 15)
    }
    
    func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {        
        if imgCount < maxImageCount && indexPath.row == imgCount {
            if let choosePicBlock = self.choosePicBlock {
                choosePicBlock()
            }
        }
    }
    
}