//
//  KMPageEditSplitSettingView.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2023/1/12.
//

class KMPageEditSplitSettingView: KMPageEditSettingBaseView {
    @IBOutlet weak var typeLabel: NSTextField!
    
    @IBOutlet weak var oneFileForOnePageRadio: NSButton!
    @IBOutlet weak var oneFileForOnePageView: NSView!
    @IBOutlet weak var oneFileForOnePageOtherLabel: NSTextField!
    
    private var oneFileForOnePageVC: KMDesignButton?
    private var oneFileForOnePageStepperView: KMDesignStepperView?
    
    @IBOutlet weak var splitMuitiFileRadio: NSButton!
    @IBOutlet weak var splitMuitiFileView: NSView!
    @IBOutlet weak var splitMuitiFileOtherLabel: NSTextField!
    
    private var splitMuitiFileVC: KMDesignButton?
    private var splitMuitiFileStepperView: KMDesignStepperView?
    
    @IBOutlet weak var pageRangeRadio: NSButton!
    @IBOutlet weak var pageRangeComboBox: NSComboBox!
    
    private var pageRangeVC: KMDesignButton?
    private var pageRangeComboVC: KMDesignSelect?
    
    @IBOutlet weak var nameLabel: NSTextField!
    @IBOutlet weak var nameView: NSView!
    @IBOutlet weak var nameViewLabel: NSTextField!
    @IBOutlet weak var prefixForOrigFileNameCheck: NSButton!
    @IBOutlet weak var tagCheck: NSButton!
    @IBOutlet weak var sepCheck: NSButton!
    @IBOutlet weak var tagView: NSView!
    @IBOutlet weak var sepView: NSView!
    
    private var prefixForOrigFileNameVC: KMDesignButton?
    private var tagVC: KMDesignButton?
    private var sepVC: KMDesignButton?
    
    private var tTextField: KMDesignTextField?
    private var sTextField: KMDesignTextField?
    
    var type: Int {
        get {
            -1
        }
        set {
            if (newValue == 0) {
                self.safe_selectRadio(sender: self.oneFileForOnePageVC)
            } else if (newValue == 1) {
                self.safe_selectRadio(sender: self.splitMuitiFileVC)
            } else if (newValue == 2) {
                self.safe_selectRadio(sender: self.pageRangeVC)
            }
        }
    }
    
    var pageCount: Int = 0 {
        didSet {
            self.oneFileForOnePageStepperView?.maxValue = Double(self.pageCount)
            self.splitMuitiFileStepperView?.maxValue = Double(self.pageCount)
        }
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.typeLabel.stringValue = NSLocalizedString("Split Method", comment: "")
        self.typeLabel.textColor = KMAppearance.subtitleColor()
        self.typeLabel.font = .SFProTextSemiboldFont(12)
        
        self.oneFileForOnePageOtherLabel.stringValue = NSLocalizedString("page(s)", comment: "")
        
        self.oneFileForOnePageVC = KMDesignButton(withType: .RadioButton)
        self.oneFileForOnePageRadio.addSubview(self.oneFileForOnePageVC!.view)
        self.oneFileForOnePageVC?.view.frame = self.oneFileForOnePageRadio.bounds
        self.oneFileForOnePageVC?.view.autoresizingMask = [.width, .height]
        self.oneFileForOnePageVC?.target = self
        self.oneFileForOnePageVC?.action = #selector(oneFileForOnePageAction)
        self.oneFileForOnePageVC?.stringValue = NSLocalizedString("Split by every", comment: "")
        self.oneFileForOnePageVC?.checkbox_radio()
        
        self.oneFileForOnePageStepperView = KMDesignStepperView()
        self.oneFileForOnePageStepperView?.minValue = 1
        self.oneFileForOnePageStepperView?.kmValue = 1
        self.oneFileForOnePageStepperView?.delegate = self
        self.oneFileForOnePageView.addSubview(self.oneFileForOnePageStepperView!)
        self.oneFileForOnePageStepperView?.frame = self.oneFileForOnePageView.bounds
        self.oneFileForOnePageStepperView?.autoresizingMask = [.width, .height]
        
        self.splitMuitiFileStepperView = KMDesignStepperView()
        self.splitMuitiFileStepperView?.minValue = 1
        self.splitMuitiFileStepperView?.kmValue = 1
        self.splitMuitiFileStepperView?.delegate = self
        self.splitMuitiFileView.addSubview(self.splitMuitiFileStepperView!)
        self.splitMuitiFileStepperView?.frame = self.splitMuitiFileView.bounds
        self.splitMuitiFileStepperView?.autoresizingMask = [.width, .height]
        
        self.splitMuitiFileOtherLabel.stringValue = NSLocalizedString("files", comment: "")
        
        self.splitMuitiFileVC = KMDesignButton(withType: .RadioButton)
        self.splitMuitiFileRadio.addSubview(self.splitMuitiFileVC!.view)
        self.splitMuitiFileVC?.view.frame = self.splitMuitiFileRadio.bounds
        self.splitMuitiFileVC?.view.autoresizingMask = [.width, .height]
        self.splitMuitiFileVC?.target = self
        self.splitMuitiFileVC?.action = #selector(splitMuitiFileAction)
        self.splitMuitiFileVC?.stringValue = NSLocalizedString("Split averagely to", comment: "")
        self.splitMuitiFileVC?.checkbox_radio()
        
        self.pageRangeComboBox.isEnabled = false
        self.pageRangeComboVC = KMDesignSelect(withType: .Combox)
        self.pageRangeComboBox.addSubview(self.pageRangeComboVC!.view)
        self.pageRangeComboVC?.view.frame = self.pageRangeComboBox.bounds
        self.pageRangeComboVC?.view.autoresizingMask = [.width, .height]
        self.pageRangeComboVC?.delete = self
        self.pageRangeComboVC?.addItems(withObjectValues: [KMTools.pageRangeTypeString(pageRange: .odd),
                                                           KMTools.pageRangeTypeString(pageRange: .even),
                                                           KMTools.pageRangeTypeString(pageRange: .custom)])
        self.pageRangeComboVC?.placeholderString = KMTools.pageRangePlaceholderString()
        
        self.pageRangeVC = KMDesignButton(withType: .RadioButton)
        self.pageRangeRadio.addSubview(self.pageRangeVC!.view)
        self.pageRangeVC?.view.frame = self.pageRangeRadio.bounds
        self.pageRangeVC?.view.autoresizingMask = [.width, .height]
        self.pageRangeVC?.target = self
        self.pageRangeVC?.action = #selector(pageRangeAction)
        self.pageRangeVC?.stringValue = NSLocalizedString("Split by page range", comment: "")
        self.pageRangeVC?.checkbox_radio()
        
        self.safe_selectRadio(sender: self.oneFileForOnePageVC)
        
        self.nameLabel.stringValue = NSLocalizedString("File Name", comment: "")
        self.nameLabel.textColor = KMAppearance.subtitleColor()
        self.nameLabel.font = .SFProTextSemiboldFont(12)
        
        self.nameView.wantsLayer = true
        self.nameView.layer?.backgroundColor = KMAppearance.view_bg_dis_color().cgColor
        self.nameView.layer?.borderWidth = 1
        self.nameView.layer?.borderColor = KMAppearance.view_border_dis_color().cgColor
        self.nameView.layer?.cornerRadius = 4
        self.nameViewLabel.textColor = KMAppearance.titleColor()
        self.nameViewLabel.font = .SFProTextRegularFont(14)
        self.nameViewLabel.lineBreakMode = .byTruncatingTail
        
        self.prefixForOrigFileNameVC = KMDesignButton(withType: .CheckBox)
        self.prefixForOrigFileNameCheck.addSubview(self.prefixForOrigFileNameVC!.view)
        self.prefixForOrigFileNameVC?.view.frame = self.prefixForOrigFileNameCheck.bounds
        self.prefixForOrigFileNameVC?.view.autoresizingMask = [.width, .height]
        self.prefixForOrigFileNameVC?.target = self
        self.prefixForOrigFileNameVC?.action = #selector(prefixForOrigFileNameAction)
        self.prefixForOrigFileNameVC?.stringValue = NSLocalizedString("Show original file name in front", comment: "")
        self.prefixForOrigFileNameVC?.checkbox_radio()
        self.safe_selectCheck(sender: self.prefixForOrigFileNameVC)
        
        self.tagVC = KMDesignButton(withType: .CheckBox)
        self.tagCheck.addSubview(self.tagVC!.view)
        self.tagVC?.view.frame = self.tagCheck.bounds
        self.tagVC?.view.autoresizingMask = [.width, .height]
        self.tagVC?.target = self
        self.tagVC?.action = #selector(tagAction)
        self.tagVC?.stringValue = NSLocalizedString("Label", comment: "")
        self.tagVC?.checkbox_radio()
        self.safe_selectCheck(sender: self.tagVC)
        
        self.tTextField = KMDesignTextField(designSize: .medium)
        self.tagView.addSubview(self.tTextField!)
        self.tTextField?.frame = self.tagView.bounds
        self.tTextField?.autoresizingMask = [.width, .height]
        self.tTextField?.stringValue = "part"
        self.tTextField?.delegate = self
        self.sTextField = KMDesignTextField(designSize: .medium)
        self.sepView.addSubview(self.sTextField!)
        self.sTextField?.frame = self.sepView.bounds
        self.sTextField?.autoresizingMask = [.width, .height]
        self.sTextField?.stringValue = "-"
        self.sTextField?.delegate = self
        
        self.sepVC = KMDesignButton(withType: .CheckBox)
        self.sepCheck.addSubview(self.sepVC!.view)
        self.sepVC?.view.frame = self.sepCheck.bounds
        self.sepVC?.view.autoresizingMask = [.width, .height]
        self.sepVC?.target = self
        self.sepVC?.action = #selector(sepAction)
        self.sepVC?.stringValue = NSLocalizedString("Separator", comment: "")
        self.sepVC?.checkbox_radio()
        self.safe_selectCheck(sender: self.sepVC)
        
        for view in [self.oneFileForOnePageView, self.splitMuitiFileView] {
            view?.wantsLayer = true
            view?.layer?.backgroundColor = NSColor(white: 238.0/255.0, alpha: 1.0).cgColor
            view?.layer?.cornerRadius = 2
        }
    }
    
    @objc private func oneFileForOnePageAction() {
        self.safe_selectRadio(sender: self.oneFileForOnePageVC)
        
        guard let callback = self.itemClick else {
            return
        }
        
        callback(1, 0)
    }
    
    @objc private func splitMuitiFileAction() {
        self.safe_selectRadio(sender: self.splitMuitiFileVC)
        
        guard let callback = self.itemClick else {
            return
        }
        
        callback(1, 1)
    }
    
    @objc private func pageRangeAction() {
        self.safe_selectRadio(sender: self.pageRangeVC)
        
        guard let callback = self.itemClick else {
            return
        }
        
        callback(1, 2)
    }
    
    @objc private func prefixForOrigFileNameAction() {
        self.safe_selectCheck(sender: self.prefixForOrigFileNameVC)
        
        guard let callback = self.itemClick else {
            return
        }
        var value = false
        if let sender = self.prefixForOrigFileNameVC {
            value = sender.state == .Checked
        }
        
        callback(6, value)
    }
    
    @objc private func tagAction() {
        self.safe_selectCheck(sender: self.tagVC)
        
        guard let callback = self.itemClick else {
            return
        }
        var value = false
        if let sender = self.tagVC {
            value = sender.state == .Checked
        }
        callback(7, value)
    }
    
    @objc private func sepAction() {
        self.safe_selectCheck(sender: self.sepVC)
        
        guard let callback = self.itemClick else {
            return
        }
        var value = false
        if let sender = self.sepVC {
            value = sender.state == .Checked
        }
        callback(8, value)
    }
    
    public func setPageRangeString(_ string: String) {
        self.pageRangeComboVC?.stringValue = string
        self.pageRangeComboVC?.editable = true
        
        self.window?.makeFirstResponder(self.pageRangeComboVC?.textField)
    }
    
    public func updateName(_ name: String) {
        self.nameViewLabel.stringValue = name
    }
    
    func selectCheck(sender: KMDesignButton) {
        sender.state = sender.state == .Checked ? .Norm : .Checked
        
        if (sender.isEqual(to: self.tagVC)) {
            self.tTextField?.kmEnabled = sender.state == .Checked
        } else if (sender.isEqual(to: self.sepVC)) {
            self.sTextField?.kmEnabled = sender.state == .Checked
        }
    }
    
    // MARK: Private Methods
    
    private func selectRadio(sender: KMDesignButton) {
        for radioVC in [self.oneFileForOnePageVC, self.splitMuitiFileVC, self.pageRangeVC] {
            if (sender.isEqual(to: radioVC)) {
                radioVC?.state = .Checked
            } else {
                radioVC?.state = .Norm
            }
        }
        
        if let state = self.oneFileForOnePageVC?.state, state == .Checked {
            self.oneFileForOnePageStepperView?.kmEnabled = true
        } else {
            self.oneFileForOnePageStepperView?.kmEnabled = false
        }
        
        if let state = self.splitMuitiFileVC?.state, state == .Checked {
            self.splitMuitiFileStepperView?.kmEnabled = true
        } else {
            self.splitMuitiFileStepperView?.kmEnabled = false
        }
        
        if let state = self.pageRangeVC?.state, state == .Checked {
            self.pageRangeComboVC?.enabled = true
            self.pageRangeComboVC?.editable = true
            self.window?.makeFirstResponder(self.pageRangeComboVC?.textField)
        } else {
            self.pageRangeComboVC?.enabled = false
            self.pageRangeComboVC?.editable = false
            self.window?.makeFirstResponder(nil)
        }
    }
    
    private func safe_selectRadio(sender: KMDesignButton?) {
        if let _radioVC = sender {
            self.selectRadio(sender: _radioVC)
        }
    }
    
    private func safe_selectCheck(sender: KMDesignButton?) {
        if let _checkVC = sender {
            self.selectCheck(sender: _checkVC)
        }
    }
}

extension KMPageEditSplitSettingView: KMTextFieldDelegate {
    func km_controlTextDidChange(textField: AnyObject) {
        if (textField.isEqual(to: self.tTextField)) {
            guard let callback = self.itemClick else {
                return
            }
            
            callback(9, self.tTextField!.stringValue as Any)
        } else if (textField.isEqual(to: self.sTextField)) {
            guard let callback = self.itemClick else {
                return
            }
            
            callback(10, self.sTextField!.stringValue as Any)
        } else if (textField.isEqual(to: self.oneFileForOnePageStepperView)) {
            guard let callback = self.itemClick else {
                return
            }
            
            var value: Int = 0
            if let _value = self.oneFileForOnePageStepperView?.kmValue {
                value = Int(_value)
            }
            callback(2, value)
        } else if (textField.isEqual(to: self.splitMuitiFileStepperView)) {
            guard let callback = self.itemClick else {
                return
            }
            
            var value: Int = 0
            if let _value = self.splitMuitiFileStepperView?.kmValue {
                value = Int(_value)
            }
            callback(3, value)
        }
    }
}

extension KMPageEditSplitSettingView: KMSelectPopButtonDelegate {
    func km_comboBoxSelectionDidChange(_ obj: KMDesignSelect) {
        if (obj.isEqual(to: self.pageRangeComboVC)) {
            var index = self.pageRangeComboVC!.indexOfSelectedItem
            if (index < 0) {
                index = 0
            }
            
            if index == obj.numberOfItems-1 {
                self.pageRangeComboVC?.editable = true
                DispatchQueue.main.async {
                    self.pageRangeComboVC?.stringValue = ""
                }
                self.window?.makeFirstResponder(self.pageRangeComboVC?.textField)
            } else {
                self.window?.makeFirstResponder(nil)
                self.pageRangeComboVC?.editable = false
            }
            
            guard let callback = self.itemClick else {
                return
            }
            
            callback(4, index)
        }
    }
    
    func km_controlTextDidChange(_ obj: KMDesignSelect) {
        if (obj.isEqual(to: self.pageRangeComboVC)) {
            guard let callback = self.itemClick else {
                return
            }
            
            callback(5, self.pageRangeComboVC!.stringValue)
        }
    }
}