platform-ios/RainbowPlanet/RainbowPlanet/Modules/OrderModule/OrderPayOrder/View/ShoppingCartOrderPayView.swift

//
//  ShoppingCartOrderPayView.swift
//  RainbowPlanet
//
//  Created by Christopher on 2019/5/9.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//  购物车--订单支付View

import UIKit

class ShoppingCartOrderPayView: BaseView {
    
    typealias CommitOrderTransBlock = (_ paraModel: OrderCreateParameterModel) -> Void
    var commitOrderTransBlock : CommitOrderTransBlock?
    
    typealias JumpNavBlock = (_ jumpType: WillJumpType) -> Void
    var jumpNavBlock : JumpNavBlock?       
    
    // 全部已选总价(元)
    var totalProductPrice: Int = 0 {
        didSet {
            self.accountView.tPrice = totalProductPrice
        }
    }
    
    // 已选商品ModelArr
    var proListModelArr : Array<CartProductListModel>? {
        didSet {
            if proListModelArr != nil {
                self.proListModelArr = self.fixOriginalPayArray()
                tableView.reloadData()
                accountView.isHidden = false

            }else {
                accountView.isHidden = true
            }
            
        }
    }
    
    // 配送方式
    var deliverType: String? {
        didSet {
            if self.deliverType == "1" {
                let addr: SelfMentionAddressModel = SelfMentionAddressModel.getModel()!
                selfAddressLabel.text = "\(addr.cityName ?? "")\(addr.address ?? "")"
            } else {
                selfAddressView.isHidden = true
                tableView.snp.remakeConstraints { (make) in
                    make.top.left.right.equalToSuperview()
                    make.bottom.equalTo(accountView.snp_top)
                }
            }
        }
    }
    
    // 快递地址信息Mdl
    var expressAddressMdl: ExpressAddresModel? {
        didSet {
            if expressAddressMdl != nil && expressAddressMdl?.id != nil {
                tableView.reloadData()
            }
        }
    }
    
    // 自提地址信息Mdl
    var selfAddressInfoMdl: DefaultContactInfoModel? {
        didSet {
            if selfAddressInfoMdl != nil {
                tableView.reloadData()
            }
        }
    }
    
    override func setupViews() {
        self.backgroundColor = kf7f8faColor
        addSubview(accountView)
        addSubview(selfAddressView)
        selfAddressView.addSubview(selfAddressLabel)
        addSubview(tableView)
        let emptyView =  EmptyView.shared.diyCustomEmptyViewStyle2(iconStr: "page04", titleStr: "当前暂无数据")
        emptyView.contentViewY = kScaleValue(value: 182)
        tableView.ly_emptyView = emptyView
        tableView.ly_startLoading()
    }
    
    override func setupLayouts() {
        accountView.snp.makeConstraints { (make) in
            make.left.right.equalToSuperview()
            make.bottom.equalTo(-kSafeTabBarHeight)
            make.height.equalTo(48)
        }
        
        selfAddressView.snp.makeConstraints { (make) in
            make.bottom.equalTo(accountView.snp_top)
            make.left.right.equalToSuperview()
        }
        
        selfAddressLabel.snp.remakeConstraints { (make) in
            make.left.equalToSuperview().offset(14)
            make.right.equalToSuperview().offset(-26)
            make.top.bottom.equalToSuperview()
            make.height.equalTo(40)
        }
        
        tableView.snp.makeConstraints { (make) in
            make.top.left.right.equalToSuperview()
            make.bottom.equalTo(selfAddressView.snp_top)
        }
    }
    
    lazy var accountView: OrderPayAcountView = {
        let accountView = OrderPayAcountView()
        accountView.commitOrderBlock = {
            [weak self] in
            let paraMdl = OrderCreateParameterModel()
            paraMdl.money = self!.totalProductPrice
            paraMdl.selShopListArr = self?.proListModelArr
            switch self?.deliverType {
            case "1":
                // 自提
                paraMdl.name = self?.selfAddressInfoMdl?.name
                paraMdl.mobile = Int(self?.selfAddressInfoMdl?.mobile ?? "")
                paraMdl.address = ""
                // FIXME:待填充
                paraMdl.pickNodeId = 0
                paraMdl.pickNodeContact = ""
            case "2":
                // 快递
                paraMdl.name = self?.expressAddressMdl?.contactName
                paraMdl.mobile = Int(self?.expressAddressMdl?.contactMobile ?? "")
                paraMdl.address = self?.expressAddressMdl?.address
                paraMdl.pickNodeId = 0
                paraMdl.pickNodeContact = ""
            default:
                return
            }
            
            if let commitOrderTransBlock = self?.commitOrderTransBlock {
                commitOrderTransBlock(paraMdl)
            }
            
        }
        return accountView
    }()
    
    private lazy var selfAddressView: UIView = {
        let selfAddressView = UIView()
        selfAddressView.backgroundColor = kfff8efColor
        return selfAddressView
    }()
    
    private lazy var selfAddressLabel: UILabel = {
        let selfAddressLabel = UILabel()
        selfAddressLabel.textColor = kFFA42FColor
        selfAddressLabel.font = kRegularFont13
        selfAddressLabel.textAlignment = .left
        selfAddressLabel.numberOfLines = 0
        return selfAddressLabel
    }()
    
    lazy var tableView: UITableView = {
        let tableView = UITableView(frame: CGRect.zero, style: UITableView.Style.grouped)
        tableView.separatorStyle = .none
        tableView.backgroundColor = kf7f8faColor
        tableView.dataSource = self
        tableView.delegate = self
        tableView.estimatedRowHeight = 0.000001
        tableView.estimatedSectionFooterHeight = 0.000001
        tableView.estimatedSectionHeaderHeight = 0.000001
        tableView.contentInset = UIEdgeInsets(top: 0, left: 0, bottom: 20, right: 0)
        return tableView
    }()
    
}

// MARK: - tableView dataSource && delegate
extension ShoppingCartOrderPayView : UITableViewDelegate, UITableViewDataSource {
    func numberOfSections(in tableView: UITableView) -> Int {
        
        return proListModelArr?.isEmpty ?? true ? 0 : (proListModelArr?.count ?? 0) + 1
    }
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        if section == 0 {
            switch deliverType {
            case "1":
                // 自提
                return 2
            case "2":
                // 快递
                return 1
            default:
                return 1
            }
        } else {
            return proListModelArr![section-1].productList?.isEmpty ?? true ? 0 : proListModelArr![section-1].productList?.count ?? 0
        }
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        if indexPath.section == 0 {
            switch deliverType {
            case "1":
                // 自提
                if selfAddressInfoMdl == nil  {
                    if indexPath.row == 0 {
                        // 自提添加收货人信息
                        let cell = OrderPaySelfPickAddInfoCell.cellWith(tableView: tableView, indexPath: indexPath)
                        return cell
                    } else {
                        // 自提地址信息
                        let cell = OrderPaySelfPickAddressCell.cellWith(tableView: tableView, indexPath: indexPath)
                        cell.selfAddressMdl = SelfMentionAddressModel.getModel()
                        return cell
                    }
                } else {
                    if indexPath.row == 0 {
                        // 自提个人信息
                        let cell = OrderPaySelfPickInfoCell.cellWith(tableView: tableView, indexPath: indexPath)
                        cell.contactMdl = selfAddressInfoMdl
                        return cell
                    } else {
                        // 自提地址信息
                        let cell = OrderPaySelfPickAddressCell.cellWith(tableView: tableView, indexPath: indexPath)
                        cell.selfAddressMdl = SelfMentionAddressModel.getModel()
                        return cell
                    }
                }
            case "2":
                // 快递
                if expressAddressMdl == nil {
                    // 快递添加地址
                    let expressCell = OrderPayExpressAddInfoCell.cellWith(tableView: tableView, indexPath: indexPath)
                    return expressCell
                } else {
                    // 快递信息管理
                    let expressCell = OrderPayExpressInfoShowCell.cellWith(tableView: tableView, indexPath: indexPath)
                    expressCell.addressMdl = expressAddressMdl
                    return expressCell
                }
            default:
                return UITableViewCell()
            }
            
        } else {
            // 购物车列表Item
            let cell = ShoppingCartPayOrderItemCell.cellWith(tableView: tableView, indexPath: indexPath)
            cell.productMdl = proListModelArr![indexPath.section-1].productList![indexPath.row]
            return cell
        }
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return  UITableView.automaticDimension
    }
    
    func tableView(_ tableView: UITableView, heightForHeaderInSection section: Int) -> CGFloat {
        if section == 0 {
            return 10
        } else {
            return 58
        }
    }
    
    func tableView(_ tableView: UITableView, viewForHeaderInSection section: Int) -> UIView? {
        if section == 0 {
            return nil
        } else {
            let headerView = ShoppingCartPayOrderHeader(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 58))
            headerView.shopName = proListModelArr![section-1].shopName
            return headerView
            
        }
    }
    
    func tableView(_ tableView: UITableView, heightForFooterInSection section: Int) -> CGFloat {
        if section == 0 {
            return 0.000001
        } else {
            return 88
        }
    }
    
    func tableView(_ tableView: UITableView, viewForFooterInSection section: Int) -> UIView? {
        if section == 0 {
            return nil
        } else {
            let footerView = ShoppingCartPayOrderFooter(frame: CGRect(x: 0, y: 0, width: kScreenWidth, height: 88))
            
            let cartProListMdl: CartProductListModel = proListModelArr![section-1]
            let secNum: Int = cartProListMdl.productList!.count
            
            footerView.tPrice = self.calculateSectionPrice(section-1)
            footerView.tNumber = secNum
            
            footerView.buyerNoteBlock = { [weak self]
                (buyerNotes) in
                self?.proListModelArr![section-1].buyerNotes = buyerNotes
            }
            
            return footerView
        }
    }
    
    func tableView(_ tableView: UITableView, didSelectRowAt indexPath: IndexPath) {
        if indexPath.section != 0 {
            return
        }
        
        switch deliverType {
        case "1":
            // 自提
            if selfAddressInfoMdl == nil {
                if indexPath.row == 0 {
                    if let jumpNavBlock = self.jumpNavBlock {
                        jumpNavBlock(WillJumpType.selfAddInfo)
                    }
                } else {
                    if let jumpNavBlock = self.jumpNavBlock {
                        jumpNavBlock(WillJumpType.selfAddressInfo)
                    }
                }
            } else {
                if indexPath.row == 0 {
                    if let jumpNavBlock = self.jumpNavBlock {
                        jumpNavBlock(WillJumpType.selfPersonalInfo)
                    }
                } else {
                    if let jumpNavBlock = self.jumpNavBlock {
                        jumpNavBlock(WillJumpType.selfAddressInfo)
                    }
                }
            }
        case "2":
            // 快递
            if expressAddressMdl == nil {
                if let jumpNavBlock = self.jumpNavBlock {
                    jumpNavBlock(WillJumpType.expressAddInfo)
                }
            } else {
                if let jumpNavBlock = self.jumpNavBlock {
                    jumpNavBlock(WillJumpType.expressManageInfo)
                }
            }
        default:
            return
        }
    }
    
}

// MARK: - 购物车计算
extension ShoppingCartOrderPayView {
    
    // 剔除section下商品全为下架/售罄的商家
    func fixOriginalPayArray() -> Array<CartProductListModel> {
        var fixedListMdlArr: Array<CartProductListModel> = []
        for (secIdx, proListMdl) in (proListModelArr?.enumerated())! {
            var shopAllDisabled: Bool = true
            for productMdl in proListMdl.productList ?? [] {
                if productMdl.upStatus != 0 && productMdl.stock != 0 {
                    shopAllDisabled = false
                    break
                }
            }
            if shopAllDisabled == false {
                fixedListMdlArr.append(proListModelArr![secIdx])
            }
        }
        return fixedListMdlArr
    }
    
    // 计算Section数据，刷新结算View
    func calculateSectionPrice(_ section: Int) -> Int {
        var totalPrice: Int = 0
        
        let cartProListMdl: CartProductListModel = proListModelArr![section]
        for productMdl in cartProListMdl.productList! {
            totalPrice += ((productMdl.skuPrice ?? 0) * (productMdl.amount ?? 0))
        }
        return totalPrice
    }
    
}