//
//  CouponViewController.swift
//  MTP2_iOS
//
//  Created by 曹晓亮 on 2020/12/16.
//  Copyright © 2020 Muchinfo. All rights reserved.
//

import UIKit
import JXSegmentedView
import WHToast
import GTMRefresh
import IBAnimatable
import SwiftyAttributes

/// 优惠券视图容器控制类
class CouponViewController: BaseViewController {

    // MARK: - 属性列表
    /// 分段控制器
    @IBOutlet weak var segmentedView: JXSegmentedView! {
        didSet {
            segmentedView.delegate = self
            segmentedView.dataSource = dataSource
            segmentedView.indicators = [self.indicator]
        }
    }
    /// segmentedDataSource
    let dataSource: JXSegmentedTitleDataSource = {
        var items: [String] = ["待使用", "已使用", "已过期"]
        $0.titles = items
        $0.titleNormalColor = UIColorFromHex(rgbValue: 0x333333)
        $0.titleNormalFont = .font_14
        $0.titleSelectedColor = UIColorFromHex(rgbValue: 0x60a1e3)
        $0.titleSelectedFont = .font_14
        $0.isTitleColorGradientEnabled = true
        return $0
    } (JXSegmentedTitleDataSource())
    /// 列表
    @IBOutlet weak var tableView: UITableView!

    /// CellIdentifier
    let CellIdentifier = "Coupon_Cell"
    
    /// 优惠券数据信息
    var coupons: [MoMyCouponHold] = [] {
        didSet {
            /// 刷新列表数据
            tableView.reloadData()
            /// 隐藏按钮
            self.noDataButton.isHidden = !(coupons.count == 0)
        }
    }
    
    // MARK: - 生命周期
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        
        /// UI界面初始化
        buildView()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        /// 隐藏导航栏
        self.navigationController?.setNavigationBarHidden(false, animated: true)
    }
    
    // MARK: - 初始化
    /// UI界面初始化
    fileprivate func buildView() {
        /// loding......
        self.addLoadingView()
        
        /// 添加下拉刷新控件
        self.tableView.gtm_addRefreshHeaderView(refreshHeader: DefaultGTMRefreshHeader()) {
            /// 重置请求条件
            self.reloadData(self.segmentedView.selectedIndex)
        }
        /// 请求数据
        self.tableView.triggerRefreshing()
    }
    
    // MARK: - 接口请求
    /// 刷新数据
    fileprivate func reloadData(_ segmentIndex: Int) {
        if segmentIndex == 1 {
            /// 查询数据
            self.requestQueryMyUsedCoupon()
        } else {
            /// 查询数据
            self.requestQueryMyCoupons(segmentIndex == 0 ? "1,2" : "3")
        }
    }
    
    /// 查询我的优惠券
    fileprivate func requestQueryMyCoupons(_ status: String) {
        /// 异常
        guard let orderManager = MTP2BusinessCore.shared.orderManager else { return }
        /// startAnimating
        _anim?.startAnimating()
        /// 查询优惠券
        orderManager.requestQueryMyCouponHolds(nil, nil, nil, status) { (isComplete, error, objs) in
            DispatchQueue.main.async {
                /// stopAnimating
                self._anim?.stopAnimating()
                /// endRefreshing
                self.tableView.endRefreshing()
                /// 查询成功
                if isComplete {
                    /// 数据过滤
                    self.coupons = objs ?? []
                } else {
                    self.coupons = []
                    /// showError
                    WHToast.showError(withMessage: "查询失败，请稍候再试!", duration: 1.5, finishHandler: {})
                }
            }
        }
    }
    
    /// 查询我的已使用优惠券
    fileprivate func requestQueryMyUsedCoupon() {
        /// 异常
        guard let orderManager = MTP2BusinessCore.shared.orderManager else { return }
        /// startAnimating
        _anim?.startAnimating()
        /// 查询优惠券
        orderManager.requestQueryMyUsedCoupon { (isComplete, error, objs) in
            DispatchQueue.main.async {
                /// stopAnimating
                self._anim?.stopAnimating()
                /// endRefreshing
                self.tableView.endRefreshing()
                /// 查询成功
                if isComplete {
                    /// 数据过滤
                    self.coupons = objs ?? []
                } else {
                    self.coupons = []
                    /// showError
                    WHToast.showError(withMessage: "查询失败，请稍候再试!", duration: 1.5, finishHandler: {})
                }
            }
        }
    }
    
    /*
    // MARK: - Navigation

    // In a storyboard-based application, you will often want to do a little preparation before navigation
    override func prepare(for segue: UIStoryboardSegue, sender: Any?) {
        // Get the new view controller using segue.destination.
        // Pass the selected object to the new view controller.
    }
    */

}

// MARK: - JXSegmentedViewDelegate
extension CouponViewController: JXSegmentedViewDelegate {
    
    func segmentedView(_ segmentedView: JXSegmentedView, didSelectedItemAt index: Int) {
        /// 刷新数据
        self.reloadData(index)
    }
}

// MARK: - UITableViewDelegate, UITableViewDataSource
extension CouponViewController: UITableViewDelegate, UITableViewDataSource {
    
    func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
        return coupons.count
    }
    
    func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
        let cell = tableView.dequeueReusableCell(withIdentifier: CellIdentifier, for: indexPath) as! CouponCell
        cell.usedBlock = { (_ coupon: MoMyCouponHold?) in
            let specialSaleController = self.viewController(name: "Quote", identifier: "SpecialSale") as! SpecialSaleViewController
            specialSaleController.couponHold = coupon
            self.navigationController?.pushViewController(specialSaleController, animated: true)
        }
        cell.model = coupons[indexPath.row]
        return cell
    }
    
    func tableView(_ tableView: UITableView, heightForRowAt indexPath: IndexPath) -> CGFloat {
        return 130.0
    }
}

class CouponCell: BaseTableViewCell<MoMyCouponHold> {
    /// 背景
    @IBOutlet weak var couponImage: UIImageView!
    /// 名字
    @IBOutlet weak var couponName: UILabel!
    /// 折扣
    @IBOutlet weak var discount: UILabel!
    /// 满减
    @IBOutlet weak var moneyOff: UILabel!
    /// 使用时间
    @IBOutlet weak var usedDate: UILabel!
    /// 原因
    @IBOutlet weak var result: UILabel!
    /// 数量
    @IBOutlet weak var qty: UILabel!
    /// 去使用
    @IBOutlet weak var goToUse: AnimatableButton!
    /// 选中
    @IBOutlet weak var check: AnimatableButton!
    /// model
    override var model: MoMyCouponHold? {
        didSet {
            /// 异常
            guard let obj = model else { return }
            /// 名字
            couponName.text = obj.couponname
            /// 已生效
            goToUse.isHidden = !(obj.holdstatus == .executed)
            /// 数量 未生效和已生效才显示
            qty.text = (obj.holdstatus == .invalid ||  obj.holdstatus == .executed) ? "\(obj.qty)张" : ""
            
            switch obj.holdstatus {
            case .invalid, .used, .expired: /// 未生效 已使用 已过期
                /// 选中
                if let _ = self.superController() as? ChooseCouponViewController {
                    couponImage.image = UIImage(named: "my_coupon_bg_gray")
                } else {
                    couponImage.image = obj.holdstatus == .invalid ? UIImage(named: obj.couponcategroy == 1 ? "my_coupon_bg" : "my_coupon_bg_red") : UIImage(named: "my_coupon_bg_gray")
                }
                /// 使用时间
                usedDate.text = (obj.holdstatus == .expired || obj.holdstatus == .invalid) ? "\(DateUtils.getTDateString(obj.startdate))-\(DateUtils.getTDateString(obj.enddate))" : obj.holdstatus.description
                /// 不能使用原因
                result.text = ""
            default:
                if obj.unusedresult == "" {
                    /// 背景
                    couponImage.image = UIImage(named: obj.couponcategroy == 1 ? "my_coupon_bg" : "my_coupon_bg_red")
                } else {
                    /// 背景
                    couponImage.image = UIImage(named: "my_coupon_bg_gray")
                    /// 已生效
                    goToUse.isHidden = obj.unusedresult != ""
                }
                /// 使用时间
                usedDate.text = "\(DateUtils.getTDateString(obj.startdate))-\(DateUtils.getTDateString(obj.enddate))"
            }
            if obj.couponcategroy == 1 {
                discount.attributedText = ("￥".withFont(.font_12)+(obj.couponvalue.toString(reserve: 2).withFont(.font_18)))
            } else {
                discount.attributedText = ((obj.couponvalue*10.0).toString(reserve: 1).withFont(.font_18)+(" 折".withFont(.font_12)))
            }
            /// 满多少可用
            moneyOff.text = "满\(obj.conditionvalue)可用"
            /// 不能使用原因
            result.text = obj.holdstatus == .invalid ? obj.holdstatus.description : obj.unusedresult
            /// 选中
            if let vc = self.superController() as? ChooseCouponViewController,
               vc.segmentedView.selectedIndex == 0,
               model?.couponholdid == vc.coupon?.couponholdid {
                self.choosed = true
            } else {
                self.choosed = false
            }
        }
    }
    /// 优惠券使用回调
    var usedBlock: ((_ coupon: MoMyCouponHold?) -> Void)?
    /// 选中回调
    var chooseBlock: ((_ coupon: MoMyCouponHold?, _ rowrowNum: Int?) -> Void)?
    /// 是否选中
    var choosed: Bool = false {
        didSet {
            /// 只有可用才能选中
            if (self.superController() as? ChooseCouponViewController)?.segmentedView.selectedIndex == 0 {
                /// 是否选中
                check.setImage(UIImage(named: choosed ? "check_selected" : "check_normal"), for: .normal)
            } else {
                /// 是否选中
                check.setImage(UIImage(named: "check_normal"), for: .normal)
            }
        }
    }
    
    /// 按钮点击响应事件
    /// - Parameter sender: sender
    @IBAction private func onButtonPressed(_ sender: UIButton) {
        switch sender {
        case goToUse: /// 去使用
            if let block = usedBlock,
               let obj = model { block(obj) }
        case check:  /// 是否选中
            if let vc = (self.superController() as? ChooseCouponViewController),
               let deletgate = vc.tableView.delegate,
               let row = self.rowNum {
                /// 执行回调
                deletgate.tableView?(vc.tableView, didSelectRowAt: IndexPath(row: row, section: 0))
            }
        default: break
        }
    }
}