//
//  KMCheckInViewItem.swift
//  PDF Reader Pro
//
//  Created by User-Tangchao on 2024/12/24.
//

import Cocoa

@objcMembers class KMGradientView: NSView {
    var colors: [NSColor] = [] {
        didSet {
            needsDisplay = true
        }
    }
    
    var xRadius: CGFloat = 0 {
        didSet {
            needsDisplay = true
        }
    }
    
    var yRadius: CGFloat = 0 {
        didSet {
            needsDisplay = true
        }
    }
    
    var angle: CGFloat = 0 {
        didSet {
            needsDisplay = true
        }
    }
    
    var contentInset: NSEdgeInsets = .init(top: 0, left: 0, bottom: 0, right: 0) {
        didSet {
            needsDisplay = true
        }
    }
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        
        wantsLayer = true
        
        let gradient = NSGradient(colors: colors)
        let x = contentInset.left
        let y = contentInset.top
        let w = max(NSWidth(self.bounds)-x-contentInset.right, 0)
        let h = max(NSHeight(self.bounds)-y-contentInset.bottom, 0)
        let frame = NSMakeRect(x, y, w, h)
        let path = NSBezierPath(roundedRect: frame, xRadius: xRadius, yRadius: yRadius)
        gradient?.draw(in: path, angle: angle)
    }
}

class KMCheckInGiftItemView: KMCheckInItemView {
    private lazy var numLabel_: NSTextField = {
        let view = NSTextField(labelWithString: "")
        return view
    }()
    private lazy var creditsLabel_: NSTextField = {
        let view = NSTextField(labelWithString: "")
        return view
    }()
    
    private lazy var giftIv_: NSImageView = {
        let view = NSImageView()
        return view
    }()
    
    private lazy var gradientV_: KMGradientView = {
        let view = KMGradientView()
        return view
    }()
    
    var numLabel: NSTextField {
        get {
            return numLabel_
        }
    }
    
    var creditsLabel: NSTextField {
        get {
            return creditsLabel_
        }
    }
    
    var giftIv: NSImageView {
        get {
            return giftIv_
        }
    }
    
    var gradientView: KMGradientView {
        get {
            return gradientV_
        }
    }
    
    override func initSubviews() {
        super.initSubviews()
        
        checkIv.isHidden = true
        
        backgroundView.addSubview(gradientV_)
        gradientV_.frame = backgroundView.bounds
        gradientV_.autoresizingMask = [.width, .height]
        
        contentBox.contentView?.addSubview(numLabel_)
        contentBox.contentView?.addSubview(creditsLabel_)
        contentBox.contentView?.addSubview(giftIv)
        
        numLabel_.mas_makeConstraints { make in
            make?.top.mas_equalTo()(15)
            make?.centerX.mas_equalTo()(0)
        }
        creditsLabel_.mas_makeConstraints { make in
            make?.top.equalTo()(numLabel_.mas_bottom)
            make?.centerX.mas_equalTo()(0)
        }
        
        giftIv.mas_makeConstraints { make in
            make?.centerX.mas_equalTo()(0)
            make?.top.mas_equalTo()(53)
            make?.size.mas_equalTo()(NSMakeSize(24, 24))
        }
    }
}

class KMCheckInItemView: NSView {
    private lazy var contentBox_: NSBox = {
        let view = NSBox()
        view.boxType = .custom
        view.borderWidth = 0
        view.contentViewMargins = .init(width: 0, height: 0)
        view.titlePosition = .noTitle
        return view
    }()
    
    private lazy var backgroundView_: NSView = {
        let view = NSView()
        return view
    }()
    
    private lazy var iv_: NSImageView = {
        let view = NSImageView()
        return view
    }()
    
    private lazy var nameLabel_: NSTextField = {
        let view = NSTextField(labelWithString: "")
        return view
    }()
    
    var contentBox: NSBox {
        get {
            return contentBox_
        }
    }
    
    var backgroundView: NSView {
        get {
            return backgroundView_
        }
    }
    var checkIv: NSImageView {
        get {
            return iv_
        }
    }
    var nameLabel: NSTextField {
        get {
            return nameLabel_
        }
    }
    
    convenience init() {
        self.init(frame: .init(x: 0, y: 0, width: 200, height: 30))
        
        initSubviews()
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        initSubviews()
    }
    
    func initSubviews() {
        addSubview(contentBox_)
        
        contentBox_.contentView?.addSubview(backgroundView_)
        contentBox_.contentView?.addSubview(iv_)
        contentBox_.contentView?.addSubview(nameLabel_)
        
        contentBox_.mas_makeConstraints { make in
            make?.edges.mas_equalTo()(0)
        }
        backgroundView_.mas_makeConstraints { make in
            make?.leading.mas_equalTo()(6)
            make?.trailing.mas_equalTo()(-6)
            make?.top.mas_equalTo()(5)
            make?.height.mas_equalTo()(83)
        }
        iv_.mas_makeConstraints { make in
            make?.center.equalTo()(backgroundView_)
        }
        nameLabel_.mas_makeConstraints { make in
            make?.centerX.mas_equalTo()(0)
            make?.bottom.mas_equalTo()(-5)
        }
    }
}

class KMCheckInViewItem: NSCollectionViewItem {
    private lazy var contentBox_: NSBox = {
        let view = NSBox()
        view.boxType = .custom
        view.borderWidth = 0
        view.contentViewMargins = .init(width: 0, height: 0)
        view.titlePosition = .noTitle
        return view
    }()
    
    var contentBox: NSBox {
        get {
            return contentBox_
        }
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        view.addSubview(contentBox_)
        contentBox_.frame = view.bounds
        contentBox_.autoresizingMask = [.width, .height]
    }
}