//
//  KMBatesController.swift
//  PDF Reader Pro
//
//  Created by Niehaoyu on 2024/11/8.
//

import Cocoa
import KMComponentLibrary

@objc protocol KMBatesControllerDelegate: AnyObject {
    
    @objc optional func kmBatesControllerDidUpdateMode(_ view: KMBatesController)
    
    //数据发生变化时处理
    @objc optional func kmBatesControllerDidModelDataUpdated(_ view: KMBatesController)
}

class KMBatesController: NSViewController {
    
    @IBOutlet var contendView: NSView!
    
    @IBOutlet var preInfoView: NSView!
    @IBOutlet var propertyInfoView: NSView!
    
    var documentPreview: KMEditDocumentController = KMEditDocumentController.init()
    var propertyController: KMBatesPropertyController = KMBatesPropertyController.init()
    var templatesController: KMBatesTemplateController = KMBatesTemplateController()
    
    var saveTemplateMessage: ComponentMessage = ComponentMessage()
    
    weak open var delegate: KMBatesControllerDelegate?
    
    var totalPDFCount: Int = 1
    var pdfDocument: CPDFDocument?
    
    var batesModel: KMBatesModel?
    
    var editSubType: KMPDFEditSubModeType = .none
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        documentPreview.view.frame = preInfoView.bounds
        documentPreview.view.autoresizingMask = [.width, .height]
        preInfoView.addSubview(documentPreview.view)
        
        propertyController.view.frame = propertyInfoView.bounds
        propertyController.view.autoresizingMask = [.width, .height]
        propertyController.delegate = self
        propertyController.view.isHidden = true
        propertyInfoView.addSubview(propertyController.view)
        
        templatesController.view.frame = propertyInfoView.bounds
        templatesController.view.autoresizingMask = [.width, .height]
        templatesController.delegate = self
        templatesController.view.isHidden = true
        propertyInfoView.addSubview(templatesController.view)
        
        setupProperty()
    }
    
    func setupProperty() {
        saveTemplateMessage.properties = ComponentMessageProperty(messageType: .success, title: KMLocalizedString("Saved Template"))
         
    }
    
    func resetUI() {
        propertyController.view.isHidden = true
        templatesController.view.isHidden = true
        
        if editSubType == .template {
            templatesController.view.isHidden = false
            templatesController.reloadData()
            
        } else if editSubType == .add {
            propertyController.view.isHidden = false
            propertyController.editSubType = editSubType
            propertyController.reloadData()
            
        } else if editSubType == .edit {
            propertyController.view.isHidden = false
            propertyController.editSubType = editSubType
            propertyController.reloadData()
         }
    }
    
    func reloadData() {
        resetUI()
        
        propertyController.totalPDFCount = totalPDFCount
        propertyController.reloadData()
        
        documentPreview.pdfDocument = pdfDocument
        documentPreview.reloadData()
         
    }
    
    func updatePDFDocumentBates() {
        if let data = batesModel {
            let cPDFBates = documentPreview.pdfDocument?.bates()
            cPDFBates?.pageString = "0"
            
            var fontSize = data.fontsize
            var fontName: String = data.fontName

            let font = NSFont.boldSystemFont(ofSize:fontSize)
            let style = NSMutableParagraphStyle()
            style.alignment = .center
            style.lineBreakMode = .byCharWrapping
            let size: NSSize = "text".boundingRect(with: NSSize(width: 1000, height: 1000), options: NSString.DrawingOptions(rawValue: 3), attributes: [NSAttributedString.Key.font : font, NSAttributedString.Key.paragraphStyle : style]).size
            cPDFBates?.margin = NSEdgeInsetsMake(max(CGFloat(data.topMargin)-size.height, 0), CGFloat(data.leftMargin), max(CGFloat(data.bottomMargin)-size.height, 0), CGFloat(data.rightMargin))
             
            let strings = KMBatesManager.parseModel(model: data, UInt(totalPDFCount))
            var count: Int = 0
            let color = data.color
            
            for text in strings {
                cPDFBates?.setText(text, at: UInt(count))
                cPDFBates?.setTextColor(color, at: UInt(count))
                cPDFBates?.setFontSize(fontSize, at: UInt(count))
                cPDFBates?.setFontName(fontName, at: UInt(count))
                count += 1
            }
            cPDFBates?.update()
            
            self.documentPreview.refreshUI()
        } else {
            pdfDocument?.bates().clear()
            documentPreview.refreshUI()
        }
        
    }
    
}

//MARK: - KMHeaderPropertyControllerDelegate
extension KMBatesController: KMBatesPropertyControllerDelegate {
    func batesPropertyControllerDidUpdate(_ controller: KMBatesPropertyController) {
        
        batesModel = controller.batesModel
        
        updatePDFDocumentBates()

    }
    
    func batesPropertyControllerDidChangetoTemplate(_ controller: KMBatesPropertyController) {
        editSubType = .template
        resetUI()
        
        batesModel = nil
        
        updatePDFDocumentBates()
        
        reloadData()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
    }
    
    func batesPropertyControllerSaveTemplateSuccess(_ controller: KMBatesPropertyController, _ data: KMBatesModel) {
        editSubType = .template
        
        reloadData()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
    }
    
    func batesPropertyControllerCancelTemplateEdit(_ controller: KMBatesPropertyController) {
        editSubType = .template
        
        reloadData()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
        
    }
    
    func batesPropertyControllerFinishTemplateEdit(_ controller: KMBatesPropertyController) {
        editSubType = .template
        
        reloadData()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
    }
}


//MARK: - KMHFTemplateControllerDelegate
extension KMBatesController: KMBatesTemplateControllerDelegate {
    func templateControllerDidSelectedChanged(_ controller: KMBatesTemplateController) {
        batesModel = controller.selectedDataModel
        
        updatePDFDocumentBates()
        
        delegate?.kmBatesControllerDidModelDataUpdated?(self)
    }
    
    func templateControllerDidAddData(_ controller: KMBatesTemplateController) {
        editSubType = .add
        resetUI()
        
        propertyController.clearData()
        propertyController.batesModel = KMBatesModel()
        
        reloadData()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
        
        delegate?.kmBatesControllerDidModelDataUpdated?(self)
    }
    
    func templateControllerDidEditData(_ controller: KMBatesTemplateController, _ data: KMBatesModel) {
        editSubType = .edit
        
        propertyController.batesModel = data
        propertyController.originalDataDict = KMBatesManager.defaultManager.parseModel(model: data)
        
        resetUI()
        
        delegate?.kmBatesControllerDidUpdateMode?(self)
        
        delegate?.kmBatesControllerDidModelDataUpdated?(self)
    }
     
}