//
//  KMURLToPDFWindowController.swift
//  PDF Master
//
//  Created by wanjun on 2023/1/29.
//

import Cocoa

class KMURLToPDFWindowController: NSWindowController {
    
    @IBOutlet weak var title: NSTextField!
    @IBOutlet weak var urlView: NSView!
    @IBOutlet weak var urlTextFieldBox: NSBox!
    @IBOutlet weak var fileView: NSView!
    @IBOutlet weak var fileTextFieldBox: NSBox!
    @IBOutlet weak var fileButtonBox: NSBox!
    @IBOutlet weak var pageConfigurationView: NSView!
    @IBOutlet weak var pageConfigurationLabel: NSTextField!
    @IBOutlet weak var pageSizeLabel: NSTextField!
    @IBOutlet weak var pageSizePopUpButton: KMPopUpButton!
    @IBOutlet weak var spacingLanel: NSTextField!
    @IBOutlet weak var stepperBox: NSBox!
    @IBOutlet weak var mmLabel: NSTextField!
    @IBOutlet weak var cancelView: NSView!
    @IBOutlet weak var openView: NSView!
    
    var urlButtonVC: KMDesignButton!
    var urlTextfieldVC: KMTextfieldVC!
    var fileButtonVC: KMDesignButton!
    var fileTextfieldVC: KMTextfieldVC!
    var openFileVC: KMDesignButton!
    var stepperVC: KMStepperView!
    var cancelVC: KMDesignButton!
    var openVC: KMDesignButton!
    
    var filePath: String = ""
    var gap: Float = 0.0
    var pageSize: CGSize = NSZeroSize

    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.
        urlButtonVC     = KMDesignButton.init(withType: .RadioButton)
        urlTextfieldVC  = KMTextfieldVC.init(nibName: "KMTextfieldVC", bundle: nil)
        fileButtonVC    = KMDesignButton.init(withType: .RadioButton)
        fileTextfieldVC = KMTextfieldVC.init(nibName: "KMTextfieldVC", bundle: nil)
        openFileVC      = KMDesignButton.init(withType: .Image)
        stepperVC       = KMStepperView.init(nibName: "KMStepperView", bundle: nil)
        cancelVC        = KMDesignButton.init(withType: .Text)
        openVC          = KMDesignButton.init(withType: .Text)

        pageSizePopUpButton.removeAllItems()
        
        self.initializeUI()
        self.initLocalization()
        
        refreshUI()
    }
    
    // MARK: Init

    func initializeUI() {
        self.window?.backgroundColor = .white

        title.font = NSFont.boldSystemFont(ofSize: 16.0)
        title.textColor = NSColor(red: 37/255.0, green: 41/255.0, blue: 41/255.0, alpha: 1.0)
        urlView.addSubview(urlButtonVC.view)
        urlButtonVC.image = NSImage(named: "KMRadioButtonUnSelect")!
        urlButtonVC.target = self
        urlButtonVC.action = #selector(buttonChangeType)
        urlButtonVC.state = .Checked
//        let itemSpacing = KMDesignToken.shared.itemSpacing(withToken: "checkbox-radio.bg.def")
//        urlButtonVC.radio_label = itemSpacing.stringToCGFloat()
//        let typography = KMDesignToken.shared.typography(withToken: "checkbox-radio.mac-text.def")
//        let fill = KMDesignToken.shared.fill(withToken: "checkbox-radio.mac-text.def")
        urlTextFieldBox.contentView = urlTextfieldVC.view
        urlTextfieldVC.borderColor = .gray
        urlTextfieldVC.borderWidth = 1.0
        urlTextfieldVC.cornerRadius = 4.0
        urlTextfieldVC.width = 400.0
        urlTextfieldVC.height = 32.0
        urlTextfieldVC.editable = true
        urlTextfieldVC.becomeFirstResponder = true
        urlTextfieldVC.delete = self
        
        fileView.addSubview(fileButtonVC.view)
        fileButtonVC.image = NSImage(named: "KMRadioButtonUnSelect")!
        fileButtonVC.target = self
        fileButtonVC.action = #selector(buttonChangeType)

        fileTextFieldBox.contentView = fileTextfieldVC.view
        fileTextfieldVC.borderColor = .gray
        fileTextfieldVC.borderWidth = 1.0
        fileTextfieldVC.cornerRadius = 4.0
        fileTextfieldVC.width = 360.0
        fileTextfieldVC.height = 32.0
        fileTextfieldVC.editable = false
        fileTextfieldVC.delete = self

        fileButtonBox.contentView = openFileVC.view
        openFileVC.image = NSImage(named: "KMFileIcon")!
        openFileVC.borderColor = .gray
        openFileVC.borderWidth = 1.0
        openFileVC.cornerRadius = 4.0
        openFileVC.width = 32.0
        openFileVC.height = 32.0
        openFileVC.target = self
        openFileVC.action = #selector(selectFileAction)
        openFileVC.enabled = false

        stepperBox.contentView = stepperVC.view
        stepperVC.borderColor = .gray
        stepperVC.borderWidth = 1.0
        stepperVC.cornerRadius = 4.0
        stepperVC.width = 72.0
        stepperVC.height = 32.0
        stepperVC.delete = self
        stepperVC.enabled = false

        cancelView.addSubview(cancelVC.view)
        cancelVC.borderColor = .gray
        cancelVC.borderWidth = 1.0
        cancelVC.cornerRadius = 4.0
        cancelVC.width = 80.0
        cancelVC.height = 32.0
        cancelVC.textColor = .black
        cancelVC.target = self
        cancelVC.action = #selector(cancelAction)

        openView.addSubview(openVC.view)
        openVC.borderColor = .gray
        openVC.borderWidth = 1.0
        openVC.cornerRadius = 4.0
        openVC.width = 80.0
        openVC.height = 32.0
        openVC.background = NSColor(red: 23/255.0, green: 112/255.0, blue: 244/255.0, alpha: 1.0)
        openVC.textColor = .white
        openVC.target = self
        openVC.action = #selector(startAction)
    }
    
    func initLocalization() {
        title.stringValue = NSLocalizedString("New From Web Page", comment: "")
        urlButtonVC.stringValue = NSLocalizedString("URL", comment: "")
        urlTextfieldVC.placeholderString = NSLocalizedString("https://pdfreaderpro.com", comment: "")
        fileButtonVC.stringValue = NSLocalizedString("File", comment: "")
        fileTextfieldVC.placeholderString = NSLocalizedString("Select Files(.html,.webarchive)", comment: "")
        pageConfigurationLabel.stringValue = NSLocalizedString("Page Configuration", comment: "")
        pageSizeLabel.stringValue = NSLocalizedString("Page Size:", comment: "")
        spacingLanel.stringValue = NSLocalizedString("Spacing:", comment: "")
        mmLabel.stringValue = NSLocalizedString("mm:", comment: "")
        cancelVC.stringValue = NSLocalizedString("Cancel", comment: "")
        openVC.stringValue = NSLocalizedString("Open", comment: "")

        pageSizePopUpButton.addItems(withTitles: [NSLocalizedString("Automatic resizing", comment: ""),
                                                  "4A0 1682 × 2378 mm",
                                                  "2A0 1189 × 1682 mm",
                                                  "A0 841 × 1189 mm",
                                                  "A1 594 × 841 mm",
                                                  "A2 420 × 594 mm",
                                                  "A3 297 × 420 mm",
                                                  "A4 210 × 297 mm",
                                                  "A5 148 × 210 mm",
                                                  "A6 105 × 148 mm",
                                                  "A7 74 × 105 mm",
                                                  "A8 52 × 74 mm",
                                                  "A9 37 × 52 mm",
                                                  "A10 26 × 37 mm"])
    }
    
    func refreshUI() -> Void {
        urlButtonVC.updateUI()
        urlTextfieldVC.updateUI()
        fileButtonVC.updateUI()
        fileTextfieldVC.updateUI()
        openFileVC.updateUI()
        stepperVC.updateUI()
        cancelVC.updateUI()
        openVC.updateUI()
    }
    
    // MARK: Private Methods

    func kUrlToPDFFolderPath() -> String {
//        let searchPath = NSSearchPathForDirectoriesInDomains(.applicationSupportDirectory, .userDomainMask, true).last
//        let append2 = searchPath!.stringByAppendingPathComponent("WebPage")
        let append1: NSString = "WebPage"
        let append2 = append1.kUrlToPDFFolderPath()
        return append2!
    }
    
    @objc func beginSheetModal(for window: NSWindow, completionHandler handler: ((_ filePath: String) -> Void)?) {
        window.beginSheet(self.window!) { [weak self] returnCode in
            if self != nil {
                handler!(self!.filePath)
            }
        }
    }

    func formatFloat(_ f: Float) -> String {
        if (fmodf(f, 1) == 0) {             //如果有一位小数点
            return String(format: "%.0f",f)
        } else if (fmodf(f*10, 1) == 0) {   //如果有两位小数点
            return String(format: "%.1f",f)
        } else {
            return String(format: "%.2f",f)
        }
    }
    
    // MARK: Action
    
    @objc func buttonChangeType(_ sender: NSButton) -> Void {
        if (sender == urlButtonVC.button) {
            if urlButtonVC.state == .Norm {
                urlButtonVC.image = NSImage(named: "KMRadioButtonSelect")!
                urlButtonVC.state = .Checked
                fileButtonVC.image = NSImage(named: "KMRadioButtonUnSelect")!
                fileButtonVC.state = .Norm
                urlTextfieldVC.editable = true
                urlTextfieldVC.becomeFirstResponder = true
                fileTextfieldVC.stringValue = ""
                openFileVC.enabled = false
                if urlTextfieldVC.stringValue.count > 0 {
//                    openVC.enabled = true
                } else {
//                    openVC.enabled = false
                }
            }
        } else if (sender == fileButtonVC.button) {
            if fileButtonVC.state == .Norm {
                urlButtonVC.image = NSImage(named: "KMRadioButtonUnSelect")!
                urlButtonVC.state = .Norm
                fileButtonVC.image = NSImage(named: "KMRadioButtonSelect")!
                fileButtonVC.state = .Checked
                urlTextfieldVC.editable = false
                urlTextfieldVC.stringValue = ""
                openFileVC.enabled = true
                
                if fileTextfieldVC.stringValue.count > 0 {
//                    openVC.enabled = true
                } else {
//                    openVC.enabled = false
                }
            }
        }
        refreshUI()
    }
    
    @objc func selectFileAction(_ sender: NSButton) -> Void {
        urlButtonVC.state = .Norm
        fileButtonVC.state = .Checked
        urlTextfieldVC.editable = false
        urlTextfieldVC.stringValue = ""
//        openVC.enabled = false
        
        let openPanel = NSOpenPanel()
        openPanel.canChooseFiles = true
        openPanel.canChooseDirectories = false
        openPanel.allowsMultipleSelection = false
        openPanel.allowedFileTypes = ["HTML","html","webarchive","htm"]
        openPanel.beginSheetModal(for: self.window!) { [self] response in
            if response == .OK {
                fileTextfieldVC.stringValue = openPanel.url!.path
//                openVC.enabled = true
                refreshUI()
            }
        }
    }
 
    @objc func cancelAction(_ sender: NSButton) -> Void {
        if (sender == cancelVC.button) {
            NSApp.mainWindow!.endSheet(self.window!)
            self.window?.orderOut(self)
        }
    }
    
    @objc func startAction(_ sender: NSButton) -> Void {
        if (sender == openVC.button) {
            if FileManager.default.fileExists(atPath: kUrlToPDFFolderPath()) {
                try? FileManager.default.createDirectory(atPath: kUrlToPDFFolderPath(), withIntermediateDirectories: false)
            }

            var url: URL
            var fileName: String = ""
            if urlButtonVC.state == .Checked {
                let urlstring = urlTextfieldVC.stringValue
                var tUrl = URL(string: urlstring)
                if tUrl?.scheme == nil {
                    tUrl = URL(string: String(format: "http://%@", urlstring))
                }
                url = tUrl!
            } else {
                url = URL(fileURLWithPath: fileTextfieldVC.stringValue)
                fileName = fileTextfieldVC.stringValue.lastPathComponent.deletingPathExtension.lastPathComponent
            }
            var string = stepperVC.text
            let unitScanle: Float = (595.0/21.0) * 2.54
            if Float(string)! <= 0 {
                stepperVC.text = "0"
                string = "0"
            } else if Float(string)! * unitScanle > Float(pageSize.width)/2 {
                let maxF = pageSize.width/(string.stringToCGFloat() * 2)
                stepperVC.text = String(format: "%f",maxF)
                string = String(format: "%f",maxF)
            }
            gap = Float(formatFloat(Float(string.stringToCGFloat()) * unitScanle))!
            
            if url != nil {
                let convert = KMConvertURLToPDF.shareInstance()
                convert.fileName = fileName
                convert.convertUrl(toPDF: [url], toPath: kUrlToPDFFolderPath(), pageSize: pageSize, gap: CGFloat(gap)) { value in
                    
                } completionHandler: { successArray, failArray in
                    if failArray.count < 1 {
                        let filePath: String = successArray.first as! String
                        if FileManager.default.fileExists(atPath: filePath) {
                            self.filePath = filePath
                            NSApp.mainWindow!.endSheet(self.window!)
                            self.window?.orderOut(self)
                        }
                    } else {
                        let alert = NSAlert()
                        alert.alertStyle = .critical
                        alert.informativeText = NSLocalizedString("Conversion Failed", comment: "")
                        alert.messageText = NSLocalizedString("", comment: "")
                        alert.addButton(withTitle: NSLocalizedString("OK", comment: ""))
                        alert.runModal()
                    }
                }
            }
        }
    }
    
    @IBAction func comboBoxItemClick_PageSize(_ sender: KMPopUpButton) {
        switch pageSizePopUpButton.indexOfSelectedItem {
        case 0:
            pageSize = CGSize(width: 0, height: 0)
            break
        case 1:
            pageSize = CGSize(width: 4760, height: 6736)
            break
        case 2:
            pageSize = CGSize(width: 3368, height: 4760)
            break
        case 3:
            pageSize = CGSize(width: 2380, height: 3368)
            break
        case 4:
            pageSize = CGSize(width: 1684, height: 2380)
            break
        case 5:
            pageSize = CGSize(width: 1190, height: 1684)
            break
        case 6:
            pageSize = CGSize(width: 842, height: 1190)
            break
        case 7:
            pageSize = CGSize(width: 595, height: 842)
            break
        case 8:
            pageSize = CGSize(width: 420, height: 595)
            break
        case 9:
            pageSize = CGSize(width: 298, height: 420)
            break
        default:
            pageSize = CGSize(width: 210, height: 298)
            break
        }
        if (pageSizePopUpButton.indexOfSelectedItem != 0) {
            stepperVC.text = "0"
            stepperVC.enabled = true
        } else {
            stepperVC.text = "0"
            stepperVC.enabled = false
        }
        refreshUI()
    }
}

extension KMURLToPDFWindowController: KMStepperViewDelegate {
    func km_controlTextDidEndEditing(_ obj: KMStepperView) {
        if obj == stepperVC {
            var string: String = obj.text
            let unitScanle: Float = (595.0/21.0) * 2.54
            if (string.stringToCGFloat() <= 0) {
                stepperVC.text = "0"
                string = "0"
            } else if (Float(string.stringToCGFloat()) * unitScanle > Float(pageSize.width)/2) {
                let maxF = pageSize.width / (string.stringToCGFloat() * 2)
                stepperVC.text = String(format: "%f",maxF)
                string = String(format: "%f",maxF)
            }
            gap = Float(formatFloat(Float(string.stringToCGFloat()) * unitScanle))!
            refreshUI()
        }
    }
    
    func km_controlTextDidChange(_ obj: KMStepperView) {
        if obj == stepperVC {
            if (urlButtonVC.state == .Checked) {
                if (urlTextfieldVC.stringValue.count > 0) {
//                    openVC.enabled = true
                } else {
//                    openVC.enabled = false
                }
            } else {
                if (fileTextfieldVC.stringValue.count > 0) {
//                    openVC.enabled = true
                } else {
//                    openVC.enabled = false
                }
            }
        }
        refreshUI()
    }
    
    func km_controlClick(_ obj: KMStepperView) {
        if (obj.text.stringToCGFloat() < 0) {
            stepperVC.text = "0"
        }
        let unitScanle = (595.0/21.0) * 2.54
        let formatter = formatFloat(Float(obj.text.stringToCGFloat() * unitScanle))
        gap = Float(formatter)!
        
        refreshUI()
    }
}

extension KMURLToPDFWindowController: KMTextfieldVCDelegate {
    func km_controlTextDidEndEditing(_ obj: KMTextfieldVC) {
        
    }
    
    func km_controlTextDidChange(_ obj: KMTextfieldVC) {
        if urlButtonVC.state == .Checked {
            if urlTextfieldVC.stringValue.count > 0 {
                openVC.enabled = true
                refreshUI()
            } else {
                openVC.enabled = false
                refreshUI()
            }
        } else {
            if fileTextfieldVC.stringValue.count > 0 {
                openVC.enabled = true
                refreshUI()
            } else {
                openVC.enabled = false
                refreshUI()
            }
        }
    }
}