//
//  CustomStampTopToolbar.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/6/28.
//

import Cocoa

class CustomStampTopToolbar: NSView, NibLoadable {

    @IBOutlet var contendView: NSView!
    @IBOutlet var titleLabel: NSTextField!
    
    @IBOutlet var fitWidthBtn: KMButton!
    @IBOutlet var increaseBtn: KMButton!
    @IBOutlet var reduceBtn: KMButton!
    
    @IBOutlet var zoomView: NSView!
    @IBOutlet var zoomBox: NSBox!
    @IBOutlet var zoomButton: NSPopUpButton!
    @IBOutlet weak var zoomTextField: NSTextField!
    
    @IBOutlet var colorBGView: NSView!
    @IBOutlet var seplineView1: NSView!
    @IBOutlet var seplineView2: NSView!
    
    var pdfView: CPDFListView!
    var colorChooseView: KMColorChooseItem!
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        
        self.configUI()
        
        self.reloadData()
        
        self.updateViewColor()
    }
    
    
    func configUI() {
    
        self.titleLabel.stringValue = NSLocalizedString("Canvas", comment: "")
        self.titleLabel.font = NSFont.SFProTextRegularFont(13)
        
        self.zoomView.wantsLayer = true
        self.zoomView.layer?.cornerRadius = 1
        self.zoomView.layer?.masksToBounds = true
        self.zoomBox.borderWidth = 1
        
        self.zoomTextField.delegate = self
        
        for item in self.zoomButton.itemArray {
            let string = item.title
            item.title = NSLocalizedString(string, comment: "")
        }
    
        self.colorChooseView = KMColorChooseItem.createFromNib()
        self.colorChooseView.frame = self.colorBGView.bounds
        self.colorChooseView.autoresizingMask = [.width, .height]
        self.colorChooseView.customColor = NSColor.white
        self.colorChooseView.clickHandle = {[weak self] view, color in
            self?.pdfView.setPageBackgroundColorWith(color, viewMode: .other)
        }
        
        self.colorBGView.addSubview(self.colorChooseView)
        
        self.seplineView1.wantsLayer = true
        
        self.seplineView2.wantsLayer = true
        
        
    }
    
    func reloadData() {
        
        guard let pdflistView = self.pdfView else {
            return
        }
        
        if pdflistView.displayModeCustomColor != nil {
            self.colorChooseView.customColor = pdflistView.displayModeCustomColor
        } else {
            if (pdflistView.viewMode == .normal) {
                self.colorChooseView.customColor = NSColor(red: 255/255, green: 255/255, blue: 255/255, alpha: 1)
            } else if (pdflistView.viewMode == .soft) {
                self.colorChooseView.customColor = NSColor(red: 245/255, green: 237/255, blue: 209/255, alpha: 1)
            } else if (pdflistView.viewMode == .night) {
                self.colorChooseView.customColor = NSColor(red: 0, green: 0, blue: 0, alpha: 1)
            } else if (pdflistView.viewMode == .green) {
                self.colorChooseView.customColor = NSColor(red: 205/255, green: 233/255, blue: 207/255, alpha: 1)
            } else {
                self.colorChooseView.customColor = pdflistView.displayModeCustomColor
            }
        }
    }
    
    func updateViewColor() {
        if KMAppearance.isDarkMode() {
            self.titleLabel.textColor = KMAppearance.Layout.h1Color()
            self.seplineView1.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.1).cgColor
            self.seplineView2.layer?.backgroundColor = NSColor.white.withAlphaComponent(0.1).cgColor
            self.zoomBox.borderColor = KMAppearance.Interactive.s0Color()
            self.zoomBox.fillColor = KMAppearance.Layout.l1Color()
        } else {
            self.titleLabel.textColor = NSColor.black.withAlphaComponent(0.85)
            self.seplineView1.layer?.backgroundColor = NSColor.black.withAlphaComponent(0.1).cgColor
            self.seplineView2.layer?.backgroundColor = NSColor.black.withAlphaComponent(0.1).cgColor
            self.zoomBox.borderColor = KMAppearance.Interactive.s0Color()
            self.zoomBox.fillColor = KMAppearance.Layout.l1Color()
        }
    }
    
    func pdfViewScaleChanged() {
        guard let pdflistView = self.pdfView else {
            return
        }
        
        self.zoomTextField.stringValue = String(format: "%.2f%@", pdflistView.scaleFactor * 100, "%")
        
        let selectedTag: Int = self.zoomButton.selectedTag()
        
        switch selectedTag {
        case 2:
            if self.pdfView.scaleFactor != 1.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 1:
            let pageHeight = self.pdfView.currentPage()!.size.height
            let pdfviewHeight = self.pdfView.bounds.size.height
            if self.pdfView.scaleFactor != pdfviewHeight/pageHeight {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 0:
            if self.pdfView.autoScales == false {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 3:
            if self.pdfView.scaleFactor != 0.1 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            
            break
        case 4:
            if self.pdfView.scaleFactor != 0.25 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 5:
            if self.pdfView.scaleFactor != 0.5 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 6:
            if self.pdfView.scaleFactor != 0.75 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 7:
            if self.pdfView.scaleFactor != 1.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 8:
            if self.pdfView.scaleFactor != 1.5 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 9:
            if self.pdfView.scaleFactor != 2.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 10:
            if self.pdfView.scaleFactor != 4.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 11:
            if self.pdfView.scaleFactor != 8.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 12:
            if self.pdfView.scaleFactor != 16.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 13:
            if self.pdfView.scaleFactor != 32.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 14:
            if self.pdfView.scaleFactor != 64.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        case 15:
            if self.pdfView.scaleFactor != 100.0 {
                self.zoomButton.selectedItem?.state = .off
            } else {
                self.zoomButton.selectedItem?.state = .on
            }
            break
        default:
            break
        }
    }
    
    //MARK: IBAction
    @IBAction func fitPageWidthAction(_ sender: Any) {
        self.pdfView.autoScales = true
         
        guard let activeAnnot = self.pdfView.activeAnnotation else {
            return
        }
        self.pdfView.setNeedsDisplay(self.pdfView.activeAnnotation)
    }
    
    @IBAction func increaseAction(_ sender: Any) {
        let zoomSting = self.zoomTextField.stringValue ?? "10"
        var scale = CGFloat((NSString(string: zoomSting)).floatValue / 100.0)
        switch scale {
        case 0...0.25:
            scale += 0.25
        case 0.25...3:
            scale += 0.25
        case 3.1...10:
            scale += 0.4
        case 10.1...100:
            scale += 1
        default:
            scale += 1
        }
        self.pdfView.scaleFactor = scale

        self.reloadData()
    }
    
    @IBAction func reduceAction(_ sender: KMButton) {
        let zoomSting = self.zoomTextField.stringValue ?? "10"
        var scale = CGFloat((NSString(string: zoomSting)).floatValue / 100.0)
        switch scale {
        case 0...0.25:
            scale = 0
        case 0.25...3:
            scale -= 0.25
        case 3.1...10:
            scale -= 0.4
        case 10.1...100:
            scale -= 1
        default:
            scale -= 1
        }
        self.pdfView.scaleFactor = scale
        
        self.reloadData()
    }
     
    @IBAction func zoomModelSelectButtonAction(_ sender: NSPopUpButton) {
//        self.delegate?.toolbarViewController?(self, zoomModel: sender.selectedTag())
        for item in sender.itemArray {
            item.state = .off
        }
        sender.selectedItem?.state = .on
        
        let selectedTag: Int = sender.selectedTag()
        
        switch selectedTag {
        case 2:
            if self.pdfView.scaleFactor != 1.0 {
                self.pdfView.scaleFactor = 1.0
                self.pdfView.autoScales = false
            }
            break
        case 1:
            let pageHeight = self.pdfView.currentPage()!.size.height
            let pdfviewHeight = self.pdfView.bounds.size.height
            self.pdfView.scaleFactor = pdfviewHeight/pageHeight
            self.pdfView.autoScales = false
            break
        case 0:
            self.pdfView.autoScales = true
            break
        case 3:
            self.pdfView.scaleFactor = 0.1
            break
        case 4:
            self.pdfView.scaleFactor = 0.25
            break
        case 5:
            self.pdfView.scaleFactor = 0.5
            break
        case 6:
            self.pdfView.scaleFactor = 0.75
            break
        case 7:
            self.pdfView.scaleFactor = 1.0
            break
        case 8:
            self.pdfView.scaleFactor = 1.5
            break
        case 9:
            self.pdfView.scaleFactor = 2.0
            break
        case 10:
            self.pdfView.scaleFactor = 4.0
            break
        case 11:
            self.pdfView.scaleFactor = 8.0
            break
        case 12:
            self.pdfView.scaleFactor = 16.0
            break
        case 13:
            self.pdfView.scaleFactor = 32.0
            break
        case 14:
            self.pdfView.scaleFactor = 64.0
            break
        case 15:
            self.pdfView.scaleFactor = 100.0
            break
        default:
            break
        }
       
        self.reloadData()
        
    }
    
    
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
        
        self.window?.makeFirstResponder(nil)
    }
    
    
}

extension CustomStampTopToolbar: NSTextFieldDelegate {
    
    func controlTextDidEndEditing(_ obj: Notification) {
        let textField = obj.object as? NSTextField
        if textField == self.zoomTextField {

            guard let zoomString = textField?.stringValue else {
                return
            }
            var scale = CGFloat(textField!.floatValue / 100.0)
            if scale > 100 {
                scale = 100
            }
            if scale < 0.1 {
                scale = 0.1
            }
            if (scale <= 0.101) {
                self.pdfView.scaleFactor = self.pdfView.minScaleFactor()
            } else {
                self.pdfView.scaleFactor = scale
            }
            
        }
    }
}