//
//  QuoteViewController.swift
//  MTP2_iOS
//
//  Created by Handy_Cao on 2020/10/23.
//  Copyright © 2020 Muchinfo. All rights reserved.
//

import UIKit
import SwiftyAttributes
import JXSegmentedView
import WHToast

/// 商品行情视图容器控制类
class QuoteViewController: 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]
        }
    }
    /// 内容装载视图
    @IBOutlet weak var contentStackView: UIStackView!
    /// 海南网警
    @IBOutlet weak var police: UIButton!
    /// 检索按钮
    @IBOutlet weak var search: UIButton!
    /// 类目按钮
    @IBOutlet weak var category: UIButton!
    
    /// segmentedDataSource
    let dataSource: JXSegmentedTitleDataSource = {
        $0.titleNormalColor = UIColorFromHex(rgbValue: 0x333333)
        $0.titleNormalFont = .font_16
        $0.titleSelectedColor = UIColorFromHex(rgbValue: 0x60a1e3)
        $0.titleSelectedFont = .font_18
        $0.isTitleColorGradientEnabled = true
        return $0
    } (JXSegmentedTitleDataSource())
    
    /// 热卖商品视图
    lazy var hotQuoteController: HotQuoteViewController = {
        $0.view.frame = contentStackView.bounds
        return $0
    } (UIStoryboard(name: "Quote", bundle: nil).instantiateViewController(withIdentifier: "HotQuote") as! HotQuoteViewController)
    
    /// 新品上市视图
    lazy var newQuoteController: NewQuoteViewController = {
        $0.view.frame = contentStackView.bounds
        return $0
    } (UIStoryboard(name: "Quote", bundle: nil).instantiateViewController(withIdentifier: "NewQuote") as! NewQuoteViewController)
    
    /// 特卖商城
    lazy var specialSaleController: SpecialSaleViewController = {
        $0.view.frame = contentStackView.bounds
        return $0
    } (UIStoryboard(name: "Quote", bundle: nil).instantiateViewController(withIdentifier: "SpecialSale") as! SpecialSaleViewController)

    // MARK: - 生命周期相关
    required init?(coder aDecoder: NSCoder) {
        super.init(coder: aDecoder)
        
        /// 设置TabBar图片
        self.tabBarItem.image = UIImage(named: "quote_normal")?.withRenderingMode(.alwaysOriginal)
        self.tabBarItem.selectedImage = UIImage(named: "quote_selected")?.withRenderingMode(.alwaysOriginal)
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()

        // Do any additional setup after loading the view.
        /// 不需要返回按钮
        addBackBarButtonItem(true)
        /// UI界面显示
        buildView()
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        /// 刷新数据
        dataSource.titles = ["热卖商品", "新品抢购", "竞价商品"]
        segmentedView.reloadData()
        /// 隐藏导航栏
        self.navigationController?.setNavigationBarHidden(true, animated: true)
    }
    
    // MARK: - 初始化
    /// UI界面显示
    fileprivate func buildView() {
        showController(selectedIndex: 0)
    }
    
    // MARK: - 交互相关
    @IBAction func onButtonPressed(_ sender: UIButton) {
        switch sender {
        case police:    /// 海南网警
            push(storyboardName: "Feedback", storyboardId: "Feedback")
        case category:  /// 类目
            let category = viewController(name: "Category", identifier: "CategoryID")
            self.navigationController?.pushViewController(category, animated: true)
        default: break
        }
    }
    
    // MARK: - UI显示
    /// Tab也切换时显示的容器
    /// - Parameter index: index
    fileprivate func showController(selectedIndex index: Int) {
        switch index {
        case 0: /// 热卖商品
            /// 移出新品上市视图
            removeChildren(hotQuoteController)
            /// 移出新品上市视图
            removeChildren(newQuoteController)
            /// 添加特卖商城视图
            addChildren(specialSaleController)
        case 1:
            /// 移出新品上市视图
            removeChildren(hotQuoteController)
            /// 移出新品上市视图
            removeChildren(specialSaleController)
            /// 添加特卖商城视图
            addChildren(newQuoteController)
        default: /// 竞价商品
            /// 移出新品上市视图
            removeChildren(newQuoteController)
            /// 移出新品上市视图
            removeChildren(specialSaleController)
            /// 添加特卖商城视图
            addChildren(hotQuoteController)
        }
    }
    
    /// addChildren
    /// - Parameter child: child
    fileprivate func addChildren(_ child: UIViewController) {
        if !contentStackView.arrangedSubviews.contains(child.view) {
            self.addChild(child)
            child.didMove(toParent: self)
            contentStackView.addArrangedSubview(child.view)
        }
    }
    
    /// removeChildren
    /// - Parameter child: child
    fileprivate func removeChildren(_ child: UIViewController) {
        if contentStackView.arrangedSubviews.contains(child.view) {
            child.removeFromParent()
            contentStackView.removeArrangedSubview(child.view)
            child.view.removeFromSuperview()
        }
    }
    
    // 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.
    }
}

extension QuoteViewController: JXSegmentedViewDelegate {
    
    func segmentedView(_ segmentedView: JXSegmentedView, didSelectedItemAt index: Int) {
        /// 显示相应的视图
        self.showController(selectedIndex: index)
        /// 隐藏分类按钮
        self.category.isHidden = !(index == 0)
    }
}