//
//  KMURLCreatePDFWindowController.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/10/9.
//

import Cocoa
import KMComponentLibrary

let kUrlToPDFFolderPath = (try? FileManager.default.url(for: .applicationSupportDirectory, in: .userDomainMask, appropriateFor: nil, create: true).appendingPathComponent(Bundle.main.bundleIdentifier ?? "").appendingPathComponent("WebPage"))?.path ?? ""

@objc protocol KMURLCreatePDFWindowControllerDelegate: AnyObject {
    
    //选择打开文件
    @objc optional func urlCreateWCDidChooseFileToOpen(_ vc: KMURLCreatePDFWindowController, _ fileURL: URL)
    
}

class KMURLCreatePDFWindowController: NSWindowController {
    
    @IBOutlet var contendBox: NSBox!
    
    @IBOutlet var titleLabel: NSTextField!
    
    @IBOutlet var urlRadio: ComponentRadio!
    @IBOutlet var fileRadio: ComponentRadio!
    
    @IBOutlet var inputView: ComponentInput!
    
    @IBOutlet var fileInputBGView: NSView!
    @IBOutlet var fileInputView: ComponentInput!
    @IBOutlet var fileInputAddon: ComponentInputAddon!
    
    @IBOutlet var cancelButton: ComponentButton!
    @IBOutlet var openButton: ComponentButton!
    
    private var _isFromURL: Bool = true
    
    private var parentWindow: NSWindow?
    private var handler: ((String?) -> Void)!
    
    private var posterMaskView: KMBookletMaskView?
    
    var choosedFilePath: String?
    var filePath: String?
    
    weak open var delegate: KMURLCreatePDFWindowControllerDelegate?
    
    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.
        
        setUpProperty()
        
        reloadData()
        
    }
    
    var isFromURL: Bool {
        get {
            return _isFromURL
        }
        set {
            _isFromURL = newValue
            
            reloadData()
        }
    }
    
    func setUpProperty() {
        
        titleLabel.stringValue = NSLocalizedString("New From Web Page", comment: "")
        titleLabel.textColor = ComponentLibrary.shared.getComponentColorFromKey("colorText/1")
        titleLabel.font = ComponentLibrary.shared.getFontFromKey("mac/body-m-medium")
        
        urlRadio.properties = ComponentCheckBoxProperty(size: .s,
                                                        state: .normal,
                                                        text: KMLocalizedString("URL"),
                                                        checkboxType: .normal)
        urlRadio.setTarget(self, action: #selector(typeRadioChanged(_:)))
        
        fileRadio.properties = ComponentCheckBoxProperty(size: .s,
                                                         state: .normal,
                                                         text: KMLocalizedString("File"),
                                                         checkboxType: .normal)
        fileRadio.setTarget(self, action: #selector(typeRadioChanged(_:)))
        
        inputView.properties = ComponentInputProperty(size: .s,
                                                      state: .normal,
                                                      isError: false,
                                                      isDisabled: false,
                                                      placeholder: KMLocalizedString("https://pdfreaderpro.com"))
        inputView.delegate = self
        
        fileInputView.properties = ComponentInputProperty(size: .s,
                                                          state: .normal,
                                                          isError: false,
                                                          isDisabled: false,
                                                          placeholder: KMLocalizedString("Select Files(.html,.webarchive)"),
                                                          creatable: false)
        fileInputView.properties.propertyInfo.cornerRadius_topRight = 0
        fileInputView.properties.propertyInfo.cornerRadius_bottomRight = 0
        
        fileInputAddon.properties = ComponentInputAddonProperty(size: .s,
                                                                state: .normal,
                                                                addOnBefore: false,
                                                                onlyRead: false,
                                                                addonType: .imageWithColor,
                                                                iconImage: NSImage(named: "file_icon"))
        fileInputAddon.setTarget(self, action: #selector(chooseURLAction(_ :)))
        
        
        cancelButton.properties = ComponentButtonProperty(type: .default_tertiary,
                                                          size: .s,
                                                          state: .normal,
                                                          buttonText: KMLocalizedString("Cancel"),
                                                          keepPressState: false)
        cancelButton.setTarget(self, action: #selector(cancelButtonClicked(_ :)))
        cancelButton.keyEquivalent = KMKeyEquivalent.esc.string()
        
        openButton.properties = ComponentButtonProperty(type: .primary,
                                                        size: .s,
                                                        state: .normal,
                                                        buttonText: KMLocalizedString("Open"),
                                                        keepPressState: false)
        openButton.setTarget(self, action: #selector(openButtonClicked(_ :)))
        openButton.keyEquivalent = KMKeyEquivalent.enter // Enter key
        
    }
    
    func reloadData() {
        urlRadio.properties.checkboxType = isFromURL ? .selected : .normal
        fileRadio.properties.checkboxType = isFromURL ? .normal : .selected
        
        fileInputBGView.isHidden = isFromURL ? true : false
        inputView.isHidden = isFromURL ? false : true
        
        cancelButton.properties.state = .normal
        openButton.properties.state = .normal
        
        if let filePath = choosedFilePath {
            fileInputView.properties.text = filePath
        } else {
            fileInputView.properties.text = ""
        }
        
        if isFromURL {
            if inputView.properties.text.count > 0 {
                openButton.properties.isDisabled = false
            } else {
                openButton.properties.isDisabled = true
            }
        } else {
            if fileInputView.properties.text.count > 0 {
                openButton.properties.isDisabled = false
            } else {
                openButton.properties.isDisabled = true
            }
        }
        
        inputView.reloadData()
        
        fileInputView.reloadData()
        
        fileInputAddon.reloadData()
        
        urlRadio.reloadData()
        
        fileRadio.reloadData()
        
        cancelButton.reloadData()
        
        openButton.reloadData()
        
        fileInputView.reloadData()
        
    }
    
    //MARK: - Action
    @objc func typeRadioChanged(_ sender: NSView) {
        if sender == fileRadio {
            isFromURL = false
        } else if sender == self.urlRadio {
            isFromURL = true
        }
    }
    
    @objc func cancelButtonClicked(_ sender: NSView) {
        
        choosedFilePath = nil
        inputView.properties.text = ""
        
        hideWaitting()
        
        reloadData()
        
        KMURLToPDF.shareInstance.stopLoading()
        
        handler?(nil)
        
        parentWindow?.endSheet(self.window!)
    }
    
    @objc func openButtonClicked(_ sender: NSView) {
        
        convertInfoToPDF()
    }
    
    @objc func chooseURLAction(_ sender: NSView) {
        let openPanel = NSOpenPanel()
        openPanel.allowedFileTypes = ["html", "HTML"]
        openPanel.allowsMultipleSelection = false
        openPanel.beginSheetModal(for: self.window!) { [weak self] result in
            if result == NSApplication.ModalResponse.OK {
                if let url = openPanel.url {
                    self?.choosedFilePath = url.path
                    
                    self?.reloadData()
                    
                }
            }
        }
    }
    
    func convertInfoToPDF() {
        if !FileManager.default.fileExists(atPath: kUrlToPDFFolderPath) {
            try? FileManager.default.createDirectory(atPath: kUrlToPDFFolderPath, withIntermediateDirectories: false, attributes: nil)
        }
        
        var url: URL?
        if isFromURL {
            var urlString = inputView.properties.text
            var tUrl = URL(string: urlString)
            if tUrl?.scheme?.count ?? 0 < 1 {
                if urlString.hasSuffix(".com") == false {
                    urlString = urlString + ".com"
                }
                tUrl = URL(string: "http://\(urlString)")
            }
            url = tUrl
        } else {
            if let choosedFilePath = choosedFilePath {
                url = URL(fileURLWithPath: choosedFilePath)
            }
        }
        
        if let url = url {
            inputView.properties.text = url.absoluteString
            inputView.reloadData()
            
            showWaitting()
            
            let outPutPath = kUrlToPDFFolderPath
            if isFromURL {
                KMURLToPDF.shareInstance.convertLinkString(string: url.absoluteString, toPath: outPutPath) {[weak self] url, error in
                    self?.hideWaitting()
                    if error == nil && url?.path.isEmpty == false {
                        self?.choosedFilePath = nil
                        self?.inputView.properties.text = ""
                        self?.reloadData()
                        
                        self?.handler?(url?.path)
                        
                        if let window = self?.window {
                            self?.parentWindow?.endSheet(window)
                        }
                        
                    } else {
                        if let window = self?.window {
                            let alert = NSAlert()
                            alert.alertStyle = .critical
                            alert.messageText = NSLocalizedString("Conversion Failed", comment: "")
                            if let description = error?.localizedDescription {
                                alert.messageText = description
                            }
                            alert.beginSheetModal(for: window) { [weak self] result in
                                
                            }
                        }
                    }
                }
            } else {
                KMURLToPDF.shareInstance.convertHtmlFileToPDF(fromPath: url.path, toPath: outPutPath) {[weak self] url, error in
                    self?.hideWaitting()
                    if error == nil && url?.path.isEmpty == false {
                        self?.choosedFilePath = nil
                        self?.inputView.properties.text = ""
                        
                        self?.reloadData()
                        
                        self?.handler?(url?.path)
                        
                        if let window = self?.window {
                            self?.parentWindow?.endSheet(window)
                        }
                        
                    } else {
                        if let window = self?.window {
                            let alert = NSAlert()
                            alert.alertStyle = .critical
                            alert.messageText = NSLocalizedString("Conversion Failed", comment: "")
                            alert.beginSheetModal(for: window) { [weak self] result in
                                
                            }
                        }
                    }
                }
            }
            
        }
    }
    
    //MARK: - WaitingView
    func showWaitting() {
        if posterMaskView == nil {
            posterMaskView = KMBookletMaskView(frame: NSMakeRect(0, 0, window?.frame.size.width ?? 0, window?.frame.size.height ?? 0))
        }
        contendBox.contentView?.addSubview(posterMaskView!, positioned: .below, relativeTo: self.cancelButton)
    }
    
    func hideWaitting() {
        posterMaskView?.removeFromSuperview()
    }
    
    //MARK: - public
    func own_beginSheetModal(for window: NSWindow?, completionHandler handler: ((String?) -> Void)?) {
        self.window?.makeFirstResponder(nil)
        
        if window != nil {
            parentWindow = window
            window!.beginSheet(self.window!) { ModalResponse in
                self.handler?(nil)
            }
            
            choosedFilePath = nil
            self.handler = handler
            
            hideWaitting()
            
            reloadData()
        }
        
    }
    
    override func becomeFirstResponder() -> Bool {
        return true
    }
    
    func formatFloat(_ f: Float) -> String {
        if f.truncatingRemainder(dividingBy: 1) == 0 {
            return String(format: "%.0f", f)
        } else if (f * 10).truncatingRemainder(dividingBy: 1) == 0 {
            return String(format: "%.1f", f)
        } else {
            return String(format: "%.2f", f)
        }
    }
    
    func isUrl(_ urlString: String?) -> Bool {
        guard let urlString = urlString else { return false }
        
        // 实现方法有问题，暂不使用
        var url: String
        if urlString.count > 4, urlString.prefix(4) == "www." {
            url = "http://\(urlString)"
        } else {
            url = urlString
        }
        let urlRegex = "\\bhttps?://[a-zA-Z0-9\\-.]+(?::(\\d+))?(?:(?:/[a-zA-Z0-9\\-._?,'+\\&%$=~*!():@\\\\]*)+)?"
        let urlTest = NSPredicate(format: "SELF MATCHES %@", urlRegex)
        return urlTest.evaluate(with: url)
    }
    
    func urlValueEncode(_ str: String) -> String? {
        let allowedCharacterSet = CharacterSet(charactersIn: "!*'();:@&=+$,?%#[]{}").inverted
        return str.addingPercentEncoding(withAllowedCharacters: allowedCharacterSet)
    }
    
    //MARK: - MouseEvent
    override func mouseDown(with event: NSEvent) {
        super.mouseDown(with: event)
        
        window?.makeFirstResponder(nil)
        
    }
}

//MARK: - ComponentInputDelegate
extension KMURLCreatePDFWindowController: ComponentInputDelegate {
    func componentInputDidChanged(inputView: ComponentInput) {
        reloadData()
    }
    
}