//
//  TrialSuccessWindowController.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/7/25.
//

import Cocoa

class TrialSuccessWindowController: NSWindowController {

    @IBOutlet var contendBox: NSBox!
    @IBOutlet var infoContendBox: NSBox!
    @IBOutlet var tipImage: NSImageView!
    @IBOutlet var titleLabel: NSTextField!
    @IBOutlet var subTitleLabel: NSTextField!
    
    var gradientView: GradientView?
    
    deinit {
        DistributedNotificationCenter.default().removeObserver(self)
    }
    
    convenience init() {
        self.init(windowNibName: "TrialSuccessWindowController")
    }
    
    override func windowDidLoad() {
        super.windowDidLoad()

        // Implement this method to handle any initialization after your window controller's window has been loaded from its nib file.
        
        self.gradientView = GradientView.init(frame: self.contendBox.bounds)
        self.gradientView?.autoresizingMask = [.width, .height]
        self.gradientView?.wantsLayer = true
        self.contendBox.contentView?.addSubview(self.gradientView!, positioned: .below, relativeTo: self.titleLabel)
        
        self.titleLabel.font = NSFont.UbuntuBoldFontWithSize(20)
        self.subTitleLabel.font = NSFont.UbuntuRegularFontWithSize(14)
        
        self.titleLabel.stringValue = NSLocalizedString("Apply for a free trial successfully!", comment: "")
        self.subTitleLabel.stringValue = NSLocalizedString("Please go to the mailbox to check the trial information.", comment: "")
        
        self.refreshViewColor()
        
       DistributedNotificationCenter.default().addObserver(self, selector: #selector(themeChange), name: NSNotification.Name(rawValue: "AppleInterfaceThemeChangedNotification"), object: nil)
    }
    
    func refreshViewColor() {
        
        if KMAppearance.isDarkMode() {
            self.contendBox.fillColor = NSColor(red: 14/255, green: 17/255, blue: 20/255, alpha: 1)
            self.infoContendBox.fillColor = NSColor(red: 14/255, green: 17/255, blue: 20/255, alpha: 1)
            self.gradientView?.isHidden = true
        } else {
            self.infoContendBox.fillColor = NSColor(red: 232/255, green: 233/255, blue: 1, alpha: 1)
            self.infoContendBox.fillColor = NSColor(red: 248/255, green: 249/255, blue: 1, alpha: 1)
            self.gradientView?.isHidden = false
        }
        
        
    }
    
    override func showWindow(_ sender: Any?) {
        super.showWindow(sender)
        
        var frame = self.window?.frame
        let infoFrame = self.infoContendBox.frame
        frame?.size.height = max(250, infoFrame.size.height + 58)
        self.window?.setFrame(frame!, display: true)
        
    }
    
    @objc func themeChange() {
        DispatchQueue.main.asyncAfter(deadline: DispatchTime.now() + 0.3) {
            self.refreshViewColor()
        }
    }
}

class GradientView: NSView {
    
    override func draw(_ dirtyRect: NSRect) {
        super.draw(dirtyRect)
        setupGradient()
    }
    
    private func setupGradient() {
        let gradientLayer = CAGradientLayer()
        gradientLayer.frame = self.bounds
        gradientLayer.colors = [NSColor(red: 232/255, green: 233/255, blue: 255/255, alpha: 1).cgColor,
                                NSColor(red: 248/255, green: 248/255, blue: 255/255, alpha: 1).cgColor] // 设置渐变颜色
        gradientLayer.startPoint = CGPoint(x: 1.0, y: 0.0)
        gradientLayer.endPoint = CGPoint(x: 1.0, y: 1.0)
        
        // 移除之前的渐变层（如果存在）
        if let existingLayer = self.layer?.sublayers?.first(where: { $0 is CAGradientLayer }) {
            existingLayer.removeFromSuperlayer()
        }
        
        self.wantsLayer = true
        self.layer?.addSublayer(gradientLayer)
        gradientLayer.frame = self.bounds // 确保渐变层的大小与视图一致
    }
    
    override func viewDidMoveToSuperview() {
        super.viewDidMoveToSuperview()
        setupGradient()
    }
    
    override func layout() {
        super.layout()
        if let gradientLayer = self.layer?.sublayers?.first as? CAGradientLayer {
            gradientLayer.frame = self.bounds // 重新设置渐变层的大小
        }
    }
    
    
}