//
//  KMBatchBackgroundView.swift
//  PDF Master
//
//  Created by lizhe on 2023/1/16.
//

import Cocoa
import KMComponentLibrary

class KMBatchBackgroundModel: KMBatchSettingItemViewModel {
    var backgroundModel: KMBackgroundModel?
}

class KMBatchBackgroundView: KMBatchSettingItemView {
    @IBOutlet var saveTemplateButton: ComponentButton!
    @IBOutlet var applyButton: ComponentButton!
    @IBOutlet var applyBtnLeftConst: NSLayoutConstraint!
    
    @IBOutlet weak var itemContentView: NSView!
    
    private var propertyController: KMBackgroundPropertyController = KMBackgroundPropertyController.init()
    private var templatesController: KMBGTemplateController = KMBGTemplateController()
    private var saveTemplateMessage: ComponentMessage = ComponentMessage()
    
    private var backgroundModel: KMBackgroundModel?
    
    var data: KMBatchBackgroundModel = KMBatchBackgroundModel()
    
    var editSubType: KMPDFEditSubModeType = .none {
        didSet {
            resetUI()
            
            reloadInfoView()
        }
    }
    
    override func setup() {
        super.setup()
        
        propertyController.view.frame = itemContentView.bounds
        propertyController.view.autoresizingMask = [.width, .height]
        propertyController.delegate = self
        propertyController.view.isHidden = true
        propertyController.isInBatchMode = true
        itemContentView.addSubview(propertyController.view)
        
        templatesController.view.frame = itemContentView.bounds
        templatesController.view.autoresizingMask = [.width, .height]
        templatesController.delegate = self
        templatesController.view.isHidden = true
        itemContentView.addSubview(templatesController.view)
        
        setupProperty()
        
        reloadInfoView()
    }
    
    override func reloadData() {
        super.reloadData()
        
        var applyEnable = true
        if let model = backgroundModel {
            if model.type == .image, model.imagePath == nil {
                applyEnable = false
            }
        } else {
            applyEnable = false
        }
        saveTemplateButton.properties.isDisabled = !applyEnable
        saveTemplateButton.reloadData()
        
        if self.filesData.count == 0 {
            applyEnable = false
        }
        applyButton.properties.isDisabled = !applyEnable
        applyButton.reloadData()
        
    }
    
    func reloadInfoView() {
        if editSubType == .template {
            templatesController.reloadData()
            backgroundModel = templatesController.selectedBackground
        } else if editSubType == .add {
            propertyController.editSubType = editSubType
            propertyController.backgroundData = KMBackgroundManager.defaultManager.defaultModel
            propertyController.reloadData()
            
            backgroundModel = propertyController.backgroundData
        } else if editSubType == .edit {
            propertyController.editSubType = editSubType
            propertyController.reloadData()
            
            backgroundModel = propertyController.backgroundData
        }
        
    }
    
    func setupProperty() {
        saveTemplateMessage.properties = ComponentMessageProperty(messageType: .success, title: KMLocalizedString("Saved Template"))
        
        saveTemplateButton.properties = ComponentButtonProperty(type: .default_tertiary,
                                                                size: .m,
                                                                state: .normal,
                                                                onlyIcon: true,
                                                                icon: NSImage(named: "icon_wm_template_save"),
                                                                keepPressState: false)
        saveTemplateButton.setTarget(self, action: #selector(saveTemplateAction(_:)))
        saveTemplateButton.reloadData()
        
        applyButton.properties = ComponentButtonProperty(type: .primary,
                                                         size: .m,
                                                         state: .normal,
                                                         buttonText: KMLocalizedString("Apply"),
                                                         keepPressState: false)
        applyButton.setTarget(self, action: #selector(applyButtonAction(_:)))
        applyButton.reloadData()
        
    }
    
    func resetUI() {
        propertyController.view.isHidden = true
        templatesController.view.isHidden = true
        
        if editSubType == .template {
            templatesController.view.isHidden = false
            
            applyBtnLeftConst.constant = 16
            saveTemplateButton.isHidden = true
        } else if editSubType == .add {
            applyBtnLeftConst.constant = 68
            saveTemplateButton.isHidden = false
            
            propertyController.view.isHidden = false
            propertyController.editSubType = editSubType
        } else if editSubType == .edit {
            applyBtnLeftConst.constant = 68
            saveTemplateButton.isHidden = false
            
            propertyController.view.isHidden = false
            propertyController.editSubType = editSubType
        }
        
    }
    
    func getValidCPDFBackground() -> CPDFBackground? {
        if let data = backgroundModel {
            let cPDFBackground = CPDFBackground()
            cPDFBackground.type = data.type
            if cPDFBackground.type == .color {
                cPDFBackground.color = data.color
            } else if cPDFBackground.type == .image {
                if data.imagePath != nil {
                    cPDFBackground.setImage(data.image())
                } else {
                    cPDFBackground.setImage(nil)
                }
            }
            cPDFBackground.scale =  data.scale
            cPDFBackground.rotation = data.rotation
            cPDFBackground.opacity = data.opacity
            cPDFBackground.verticalAlignment = UInt(data.verticalMode)
            cPDFBackground.horizontalAlignment = UInt(data.horizontalMode)
            cPDFBackground.xOffset = data.horizontalSpace
            cPDFBackground.yOffset = data.verticalSpace
            cPDFBackground.isAllowsView = true
            cPDFBackground.pageString = "0"
            cPDFBackground.update()
            
            return cPDFBackground
        }
        return nil
        
    }
    
    @objc func saveTemplateAction(_ sender: NSView) {
        propertyController.saveButtonClicked(propertyController.saveButton)
    }
    
    @objc func applyButtonAction(_ sender: NSView) {
        self.data.backgroundModel = self.backgroundModel
        
        if self.batchExport != nil {
            self.batchExport!(self, self.data)
        }
    }
    
    //MARK: - mouseEvent
    override func mouseUp(with event: NSEvent) {
        super.mouseUp(with: event)
        
    }
    
}

//MARK: - KMBackgroundPropertyControllerDelegate
extension KMBatchBackgroundView: KMBackgroundPropertyControllerDelegate {
    func backgroundPropertyControllerDidUpdate(_ controller: KMBackgroundPropertyController) {
        backgroundModel = controller.backgroundData
        
        reloadData()
        
    }
    
    func backgroundPropertyControllerDidChangetoTemplate(_ controller: KMBackgroundPropertyController) {
        editSubType = .template
        
        backgroundModel = templatesController.selectedBackground
        reloadData()
    }
    
    func backgroundPropertyControllerSaveTemplateSuccess(_ controller: KMBackgroundPropertyController, _ data: KMBackgroundModel) {
        saveTemplateMessage.frame = CGRectMake((CGRectGetWidth(self.frame) - saveTemplateMessage.properties.propertyInfo.viewWidth)/2,
                                               CGRectGetHeight(self.frame) - saveTemplateMessage.properties.propertyInfo.viewHeight - 8,
                                               saveTemplateMessage.properties.propertyInfo.viewWidth,
                                               saveTemplateMessage.properties.propertyInfo.viewHeight)
        saveTemplateMessage.reloadData()
        saveTemplateMessage.show(inView: self, autoHideSeconde: 2)
        
        templatesController.selectedBackground = data
        
        editSubType = .template
        
        reloadData()
        
        KMBackgroundManager.defaultManager.defaultModel = KMBackgroundModel()
    }
    
    func backgroundPropertyControllerCancelTemplateEdit(_ controller: KMBackgroundPropertyController) {
        editSubType = .template
        
        templatesController.selectedBackground = controller.backgroundData
        
        reloadData()
        
    }
    
    func backgroundPropertyControllerFinishTemplateEdit(_ controller: KMBackgroundPropertyController) {
        editSubType = .template
        
        templatesController.selectedBackground = controller.backgroundData
        
        reloadData()
    }
}

//MARK: - KMBGTemplateControllerDelegate
extension KMBatchBackgroundView: KMBGTemplateControllerDelegate {
    func templateControllerDidSelectedChanged(_ controller: KMBGTemplateController) {
        backgroundModel = controller.selectedBackground
        
        reloadData()
        
    }
    
    func templateControllerDidAddData(_ controller: KMBGTemplateController) {
        editSubType = .add
        
        propertyController.backgroundData = KMBackgroundManager.defaultManager.defaultModel
        propertyController.reloadData()
        
        templatesController.selectedBackground = nil
        templatesController.reloadData()
        
        reloadData()
        
    }
    
    func templateControllerDidEditData(_ controller: KMBGTemplateController, _ data: KMBackgroundModel) {
        editSubType = .edit
        
        propertyController.originalDataDict = KMBackgroundManager.defaultManager.parseModelToDict(model: data)
        propertyController.backgroundData = data
        propertyController.reloadData()
        
        templatesController.selectedBackground = nil
        templatesController.reloadData()
        
        reloadData()
    }
}