//
//  KMNSplitPDFWindowController.swift
//  PDF Reader Pro
//
//  Created by 丁林圭 on 2024/10/24.
//

import Cocoa

import KMComponentLibrary

class KMNSplitPDFWindowController: KMNBaseWindowController {
    @IBOutlet var titleLabel: NSTextField!
    
    @IBOutlet var methodLabel: NSTextField!
    @IBOutlet var averagePerRadio: ComponentRadio!
    @IBOutlet var averagePernInputNumber: ComponentInputNumber!
    @IBOutlet var averagePernLabel: NSTextField!
    @IBOutlet var averageSplitRadio: ComponentRadio!
    @IBOutlet var averageSplitInputNumber: ComponentInputNumber!
    @IBOutlet var averageSplitLabel: NSTextField!
    @IBOutlet var splitRangeRadio: ComponentRadio!
    @IBOutlet var splitRangeSelect: ComponentSelect!

    @IBOutlet var fileTitleLabel: NSTextField!
    @IBOutlet var fileNameBox: NSBox!
    @IBOutlet var fileNameLabel: NSTextField!

    @IBOutlet var precedeCheckBox: ComponentCheckBox!
    @IBOutlet var tagCheckBox: ComponentCheckBox!
    @IBOutlet var tagInput: ComponentInput!
    @IBOutlet var separatorCheckBox: ComponentCheckBox!
    @IBOutlet var separatorInput: ComponentInput!
    
    @IBOutlet var cancelButton: ComponentButton!
    @IBOutlet var splitButton: ComponentButton!

    @IBOutlet var cancelWidthButton:NSLayoutConstraint!
    @IBOutlet var splitWidthButton:NSLayoutConstraint!
    @IBOutlet var averagePerRadioWidthButton:NSLayoutConstraint!
    @IBOutlet var averageSplitRadioWidthButton:NSLayoutConstraint!
    @IBOutlet var splitRangeRadioWidthButton:NSLayoutConstraint!
    @IBOutlet var tagCheckWidthButton:NSLayoutConstraint!
    @IBOutlet var separatorCheckWidthButton:NSLayoutConstraint!

    private var orgDocument:CPDFDocument?
    private var selectionIndexPaths: Set<IndexPath> = []

    private func setUpProperty() {
        titleLabel.stringValue = KMLocalizedString("Split")
        titleLabel.font =  ComponentLibrary.shared.getFontFromKey("mac/body-m-medium")
        titleLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/1")
        
        methodLabel.stringValue = KMLocalizedString("Split Method")
        methodLabel.font = ComponentLibrary.shared.getFontFromKey("mac/body-m-medium")
        methodLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/2")
        
        fileTitleLabel.stringValue = KMLocalizedString("File Name")
        fileTitleLabel.font = ComponentLibrary.shared.getFontFromKey("mac/body-m-medium")
        fileTitleLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/2")
        
        averagePerRadio.properties = ComponentCheckBoxProperty(size: .s,
                                                               state: .normal,
                                                               isDisabled: false,
                                                               showhelp: false,
                                                               text: KMLocalizedString("Split by every"),
                                                               checkboxType: .normal)
        averagePernLabel.stringValue = KMLocalizedString("page(s)")
        averagePernLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/1")
        averagePernLabel.font =  ComponentLibrary.shared.getFontFromKey("comp-field/colorText-filled-dis")

        averageSplitRadio.properties = ComponentCheckBoxProperty(size: .s,
                                                                 state: .normal,
                                                                 isDisabled: false,
                                                                 showhelp: false,
                                                                 text: KMLocalizedString("Split averagely to"),
                                                                 checkboxType: .normal)
        averageSplitLabel.stringValue = KMLocalizedString("PDF files")
        averageSplitLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
        averageSplitLabel.font =  ComponentLibrary.shared.getFontFromKey("mac/body-s-regular")
        
        fileNameLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/2")
        fileNameLabel.font =  ComponentLibrary.shared.getFontFromKey("mac/body-s-regular")

        splitRangeRadio.properties = ComponentCheckBoxProperty(size: .s,
                                                               state: .normal,
                                                               isDisabled: false,
                                                               showhelp: false,
                                                               text: KMLocalizedString("Split by page range"),
                                                               checkboxType: .selected)
        
        precedeCheckBox.properties = ComponentCheckBoxProperty(size: .s,
                                                               state: .normal,
                                                               isDisabled: false,
                                                               showhelp: false,
                                                               text: KMLocalizedString("Keep the current file name in front of labels"),
                                                               checkboxType: .selected)
        tagCheckBox.properties = ComponentCheckBoxProperty(size: .s,
                                                           state: .normal,
                                                           isDisabled: false,
                                                           showhelp: false,
                                                           text: KMLocalizedString("Label"),
                                                           checkboxType: .selected)
        
        separatorCheckBox.properties = ComponentCheckBoxProperty(size: .s,
                                                                 state: .normal,
                                                                 isDisabled: false,
                                                                 showhelp: false,
                                                                 text: KMLocalizedString("Separator"),
                                                                 checkboxType: .selected)
        
        averagePernInputNumber.properties = ComponentInputNumberProperty(alignment: .left,
                                                                          size: .s,
                                                                          state: .normal,
                                                                          isError: false,
                                                                          showErrorInfo: false,
                                                                          isDisabled: false,
                                                                          showPrefix: false,
                                                                          showSuffix: false,
                                                                          minSize: 1,
                                                                          maxSize: Int(orgDocument?.pageCount ?? 1),
                                                                          text:"1")
        averagePernInputNumber.inputNumberDelegate = self
        
        averageSplitInputNumber.properties = ComponentInputNumberProperty(alignment: .left,
                                                                          size: .s,
                                                                          state: .normal,
                                                                          isError: false,
                                                                          showErrorInfo: false,
                                                                          isDisabled: true,
                                                                          showPrefix: false,
                                                                          showSuffix: false,
                                                                          minSize: 1,
                                                                          maxSize: Int(orgDocument?.pageCount ?? 1),
                                                                          text: "1")
        averageSplitInputNumber.inputNumberDelegate = self
        
        let inputTagProperty: ComponentInputProperty = ComponentInputProperty(size: .s,
                                                                           state:.pressed ,
                                                                           isError: false,
                                                                           showPrefix: false,
                                                                           showSuffix: false,
                                                                           showClear: false,
                                                                           isDisabled: false,
                                                                           placeholder: "",
                                                                           text: "Part")
        tagInput.properties = inputTagProperty
        
        let inputSeparatorProperty: ComponentInputProperty = ComponentInputProperty(size: .s,
                                                                           state:.pressed ,
                                                                           isError: false,
                                                                           showPrefix: false,
                                                                           showSuffix: false,
                                                                           showClear: false,
                                                                           isDisabled: false,
                                                                           placeholder: "",
                                                                           text: "-")
        separatorInput.properties = inputSeparatorProperty
        
        splitRangeSelect.properties = ComponentSelectProperties(size: .s,
                                                                state: .normal,
                                                                isDisabled: false,
                                                                isError: false,
                                                                leftIcon: false,
                                                                placeholder: nil,
                                                                errorText: nil,
                                                                creatable: false,
                                                                text: KMLocalizedString("Odd Pages Only", comment: ""))


        splitButton.properties = ComponentButtonProperty(type: .primary,
                                                         size: .s,
                                                         state: .normal,
                                                         isDisable: false,
                                                         buttonText: KMLocalizedString("Split"))
        splitButton.setTarget(self, action: #selector(splitButtonClicked(_ :)))
        splitWidthButton.constant = splitButton.properties.propertyInfo.viewWidth
        
        cancelButton.properties = ComponentButtonProperty(type: .default_tertiary,
                                                          size: .s,
                                                          state: .normal,
                                                          buttonText: KMLocalizedString("Cancel"))
        cancelButton.setTarget(self, action: #selector(cancelButtonClicked(_ :)))
        cancelWidthButton.constant = cancelButton.properties.propertyInfo.viewWidth
        
        fileNameBox.fillColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
        
        averagePerRadio.setTarget(self, action: #selector(splitMethodClicked(_:)))
        averageSplitRadio.setTarget(self, action: #selector(splitMethodClicked(_:)))
        splitRangeRadio.setTarget(self, action: #selector(splitMethodClicked(_:)))
        
        precedeCheckBox.setTarget(self, action: #selector(changeNameClick(_:)))
        tagCheckBox.setTarget(self, action: #selector(changeNameClick(_:)))
        separatorCheckBox.setTarget(self, action: #selector(changeNameClick(_:)))
        
        setUpPageSelctProperty()
        
        splitRangeSelect.delegate = self
        
        averagePerRadioWidthButton.constant = averagePerRadio.properties.propertyInfo.viewWidth
        averageSplitRadioWidthButton.constant = averageSplitRadio.properties.propertyInfo.viewWidth
        splitRangeRadioWidthButton.constant = splitRangeRadio.properties.propertyInfo.viewWidth
        tagCheckWidthButton.constant = tagCheckBox.properties.propertyInfo.viewWidth
        separatorCheckWidthButton.constant = separatorCheckBox.properties.propertyInfo.viewWidth
        cancelWidthButton.constant = cancelButton.properties.propertyInfo.viewWidth
        splitWidthButton.constant = splitButton.properties.propertyInfo.viewWidth
    }
    
    private func setUpPageSelctProperty() {
        var menuItemString:[String] = [KMLocalizedString("Odd Pages Only"),
                                       KMLocalizedString("Even Pages Only"),
                                        KMLocalizedString("e.g. 1,3-5,10")]
        if orgDocument?.pageCount ?? 0 <= 1 {
            menuItemString.removeObject(KMLocalizedString("Even Pages Only"))
        }
        var menuItemArr: [ComponentMenuitemProperty] = []
        for language in menuItemString {
            let itemProperty: ComponentMenuitemProperty = ComponentMenuitemProperty(multipleSelect: false,
                                                                                    itemSelected: false,
                                                                                    isDisabled: false,
                                                                                    keyEquivalent: nil,
                                                                                    text: language)
            menuItemArr.append(itemProperty)
        }

        
        splitRangeSelect.updateMenuItemsArr(menuItemArr)
    }

    override func windowDidLoad() {
        super.windowDidLoad()
        
        setUpProperty()
        
        var isEditIndex:Int = 2
        
        if(orgDocument?.pageCount ?? 0 <= 1) {
            isEditIndex = 1
        }
        
        splitRangeSelect.selectItemAtIndex(isEditIndex)
        splitRangeSelect.properties.creatable = true
        splitRangeSelect.properties.text =
        KMNTools.parseIndexPathsSet(indexSets: selectionIndexPaths)
        splitRangeSelect.reloadData()
        
        updateFileName()
    }
    
    func updateFileName() {
        let pdfName = orgDocument?.documentURL.deletingPathExtension().path.lastPathComponent ?? ""
        var splitPartString = ""
        var separatorString = ""
        
        if (tagCheckBox.properties.checkboxType == .selected) {
            splitPartString = tagInput.properties.text
        }
        if (separatorCheckBox.properties.checkboxType == .selected) {
            separatorString = separatorInput.properties.text
        }
        var partName = ""
        if (precedeCheckBox.properties.checkboxType == .selected) {
            if (separatorString.isEmpty == false) {
                if (partName.isEmpty == false) {
                    partName.append(separatorString)
                } else {
                    partName = separatorString
                }
            }
            if (splitPartString.isEmpty == false) {
                if (partName.isEmpty == false) {
                    partName.append(splitPartString)
                } else {
                    partName = splitPartString
                }
            }
            fileNameLabel.stringValue = String(format: "%@%@.pdf", pdfName, partName)
        } else {
            if (splitPartString.isEmpty == false) {
                if (partName.isEmpty == false) {
                    partName.append(splitPartString)
                } else {
                    partName = splitPartString
                }
            }
            if (separatorString.isEmpty == false) {
                if (partName.isEmpty == false) {
                    partName.append(separatorString)
                } else {
                    partName = separatorString
                }
            }
            fileNameLabel.stringValue = String(format: "%@%@.pdf", partName, pdfName)
        }
    }
    
    convenience init(_ document: CPDFDocument?, selectionIndexPaths: Set<IndexPath>) {
        self.init(windowNibName: "KMNSplitPDFWindowController")
        orgDocument = document
        self.selectionIndexPaths = selectionIndexPaths  // 修正此行
    }

    convenience init(_ filePath: String,password:String?) {
        self.init(windowNibName: "KMNSplitPDFWindowController")
        let document = CPDFDocument.init(url: URL(fileURLWithPath: filePath))
        if password != nil {
            document?.unlock(withPassword: password as String?)
        }

        orgDocument = document
        selectionIndexPaths = [IndexPath(item: 0, section: 0)]  // 修正此行
    }
    
    //MARK: - Action
    @objc func cancelButtonClicked(_ sender: NSView) {
        own_closeEndSheet()
    }
    
    @objc func splitButtonClicked(_ sender: NSView) {
                
        own_closeEndSheet()
    }
    
    @objc func changeNameClick(_ sender: NSView){
        updateFileName()
    }
    
    @objc func splitMethodClicked(_ sender: NSView){
        var oldSelectRadioBtn:ComponentRadio?  = nil
        if sender == averagePerRadio {
            if(averageSplitRadio.properties.checkboxType == .selected) {
                oldSelectRadioBtn = averageSplitRadio
                
                averageSplitInputNumber.properties.isDisabled = true
                averageSplitLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
                averageSplitInputNumber.reloadData()
            } else if (splitRangeRadio.properties.checkboxType == .selected){
                oldSelectRadioBtn = splitRangeRadio
                
                splitRangeSelect.properties.isDisabled = true
                splitRangeSelect.reloadData()
            }
            averagePernInputNumber.properties.isDisabled = false
            averagePernLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/1")
            averagePernInputNumber.reloadData()
        } else if sender == averageSplitRadio {
            if(averagePerRadio.properties.checkboxType == .selected) {
                oldSelectRadioBtn = averagePerRadio
                
                averagePernInputNumber.properties.isDisabled = true
                averagePernLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
                averagePernInputNumber.reloadData()
                
            } else if (splitRangeRadio.properties.checkboxType == .selected){
                oldSelectRadioBtn = splitRangeRadio
                
                splitRangeSelect.properties.isDisabled = true
                splitRangeSelect.reloadData()
            }
            averageSplitInputNumber.properties.isDisabled = false
            averageSplitLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/1")
            averageSplitInputNumber.reloadData()
        } else if sender == splitRangeRadio {
            if(averagePerRadio.properties.checkboxType == .selected) {
                oldSelectRadioBtn = averagePerRadio
                averagePernInputNumber.properties.isDisabled = true
                averagePernLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
                averagePernInputNumber.reloadData()
            } else if (averageSplitRadio.properties.checkboxType == .selected){
                oldSelectRadioBtn = averageSplitRadio
                averageSplitInputNumber.properties.isDisabled = true
                averageSplitLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("comp-field/colorText-filled-dis")
                averageSplitInputNumber.reloadData()
            }
            
            splitRangeSelect.properties.isDisabled = false
            splitRangeSelect.reloadData()
        }
        
        if(oldSelectRadioBtn != nil) {
            oldSelectRadioBtn?.properties.checkboxType = .normal
            oldSelectRadioBtn?.reloadData()
        }
    }
}

//MARK: - ComponentInputNumberDelegate
extension KMNSplitPDFWindowController: ComponentInputNumberDelegate {
    func componentInputNumberDidValueChanged(inputNumber: ComponentInputNumber?) {
    
    }
}

//MARK: - ComponentSelectDelegate
extension KMNSplitPDFWindowController: ComponentSelectDelegate {
    func componentSelectDidSelect(view: ComponentSelect?, menuItemProperty: ComponentMenuitemProperty?) {
        if(view == splitRangeSelect) {
            let pageRangeSelectIndex = splitRangeSelect.indexOfSelect()
            var isEditIndex:Int = 2
            
            if(orgDocument?.pageCount ?? 0 <= 1) {
                isEditIndex = 1
            }
            if (pageRangeSelectIndex == isEditIndex) {
                splitRangeSelect.properties.text = ""

                splitRangeSelect.properties.placeholder = KMLocalizedString("e.g. 1,3-5,10")
                splitRangeSelect.properties.creatable = true
            } else {
                splitRangeSelect.properties.placeholder = ""
                splitRangeSelect.properties.creatable = false
            }
            splitRangeSelect.reloadData()
            
            
        }
    }
}