//
//  SPExplorePageController.swift
//  Thimra
//
//  Created by Overseas on 2025/4/21.
//

import UIKit


class SPExplorePageController: SPViewController {
    
    private lazy var titles: [String] = {
        let arr = ["Shorts".localized, "All".localized]
        return arr
    }()
    
    private lazy var viewControllers: [SPViewController] = {
        let vc1 = SPExploreViewController()
        let vc2 = SPAllShortViewController()
        return [vc1, vc2]
    }()
    
    private lazy var itemWidthArr: [NSNumber] = {
        var arr: [NSNumber] = []
        self.titles.forEach {
            var width = $0.size(font: .systemFont(ofSize: 14)).width + 16
            if width < 50 {
                width = 50
            }
            arr.append(NSNumber(value: width))
        }
        return arr
    }()
    
    private lazy var menuWidth: CGFloat = {
        var width: CGFloat = 0.0
        itemWidthArr.forEach {
            width += CGFloat($0.floatValue)
        }
        return width
    }()
    
    
    private lazy var pageView: WMPageController = {
        var itemWidthArr: [NSNumber] = []
        
        self.titles.forEach {
            var width = $0.size(font: .systemFont(ofSize: 14)).width + 16
            if width < 50 {
                width = 50
            }
            itemWidthArr.append(NSNumber(value: width))
        }
        
        let pageView = WMPageController()
        pageView.delegate = self
        pageView.dataSource = self
        pageView.titleSizeNormal = 14
        pageView.titleSizeSelected = 14
        pageView.titleColorNormal = .colorFFFFFF()
        pageView.titleColorSelected = .colorFFFFFF()
        pageView.progressColor = .colorFFFFFF(alpha: 0.22)
        pageView.menuViewStyle = .flood
        pageView.menuViewLayoutMode = .center
        pageView.itemsWidths = itemWidthArr
        pageView.progressHeight = 24
        
        return pageView
    }()
    
    private lazy var menuBgView: UIView = {
        let view = UIView()
        view.addEffectView(style: .light)
        view.layer.cornerRadius = 15
        view.layer.masksToBounds = true
        return view
    }()
    
    override func viewDidLoad() {
        super.viewDidLoad()

        
        _setupUI()
        
    }
    
    override func viewWillAppear(_ animated: Bool) {
        super.viewWillAppear(animated)
        self.navigationController?.setNavigationBarHidden(true, animated: true)
    }

}

extension SPExplorePageController {
    
    private func _setupUI() {
        addChild(pageView)
        
        self.view.addSubview(self.pageView.view)
        self.pageView.view.addSubview(menuBgView)
        self.pageView.view.bringSubviewToFront(self.pageView.menuView!)
        
        self.pageView.view.snp.makeConstraints { make in
            make.edges.equalToSuperview()
        }
        
        menuBgView.snp.makeConstraints { make in
            make.center.equalTo(self.pageView.menuView!)
            make.width.equalTo(menuWidth + 8)
            make.height.equalTo(30)
        }
    }
    
}


//MARK: --------------   WMPageControllerDelegate & WMPageControllerDataSource  --------------
extension SPExplorePageController: WMPageControllerDelegate, WMPageControllerDataSource {
    
    func pageController(_ pageController: WMPageController, preferredFrameForContentView contentView: WMScrollView) -> CGRect {
        return CGRect(x: 0, y: 0, width: kSPScreenWidth, height: kSPScreenHeight - kSPTabBarHeight)
    }
    
    func pageController(_ pageController: WMPageController, preferredFrameFor menuView: WMMenuView) -> CGRect {
        return CGRect(x: 0, y: kSPStatusbarHeight + 10, width: kSPScreenWidth, height: 30)
    }
    
    func pageController(_ pageController: WMPageController, titleAt index: Int) -> String {
        return titles[index]
    }
    
    func numbersOfChildControllers(in pageController: WMPageController) -> Int {
        return titles.count
    }
    
    func pageController(_ pageController: WMPageController, viewControllerAt index: Int) -> UIViewController {
        return viewControllers[index]
    }
    
    
    
    
}