//
//  KMWatermarkPropertyController.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/12/15.
//

import Cocoa
///
typealias KMWatermarkPropertyControllerTemplateModelDidSelected = (_ model: KMWatermarkModel)->()
typealias KMWatermarkPropertyControllerTemplateMenuItemClick = (_ itemIndex: Int,  _ model: KMWatermarkModel)->()
class KMWatermarkPropertyController: KMWatermarkAdjectivePropertyBaseController {
    
    var textController: KMWatermarkAdjectiveListController!
    var fileController: KMWatermarkAdjectiveListController!
    
    var templateModelDidSelected: KMWatermarkPropertyControllerTemplateModelDidSelected!
    var templateMenuItemClick: KMWatermarkPropertyControllerTemplateMenuItemClick!

    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.showBack(show: false)
        self.titleLabel.stringValue = NSLocalizedString("Watermark", comment: "")
        self.segementControl.items = [NSLocalizedString("Text", comment: ""),NSLocalizedString("File", comment: "")]
        self.segementControl.itemClick = {
            [self] (index: Int) in
            self.tabView.selectTabViewItem(at: index)
        }
        
        var textModels: Array<KMWatermarkModel> = []
        var fileModels: Array<KMWatermarkModel> = []
        for model in KMWatermarkManager.defaultManager.watermarks {
            if ((model.image) != nil) { /// 文件
                fileModels.append(model)
            } else { /// 文本
                textModels.append(model)
            }
        }
        
        let item = NSTabViewItem(identifier: "tabID")
        item.label = "tab1";
        let controller = KMWatermarkAdjectiveListController()
        item.viewController = controller
        controller.emptyView.despLabel.stringValue = NSLocalizedString("Click the Add button in the upper right corner to create a new watermark.", comment: "")
        controller.delegate = self
        textController = controller
        
        let item2 = NSTabViewItem(identifier: "tablID2")
        item2.label = "tab2";
        let controller2 = KMWatermarkAdjectiveListController()
        item2.viewController = controller2
        controller2.emptyView.despLabel.stringValue = NSLocalizedString("Click the Add button in the upper right corner to create a new watermark.", comment: "")
        controller2.delegate = self
        fileController = controller2
        
        self.tabView.addTabViewItem(item)
        self.tabView.addTabViewItem(item2)
        
        controller.initDatas(datas: textModels)
        controller2.initDatas(datas: fileModels)
    }
    
    override func initDatas() {
        
    }
    
    override func updateDatas() {
        var textModels: Array<KMWatermarkModel> = []
        var fileModels: Array<KMWatermarkModel> = []
        for model in KMWatermarkManager.defaultManager.watermarks {
            if ((model.image) != nil) { /// 文件
                fileModels.append(model)
            } else { /// 文本
                textModels.append(model)
            }
        }
        
        textController.initDatas(datas: textModels)
        fileController.initDatas(datas: fileModels)
    }
    
    func addTextModel(model: KMWatermarkModel) {
        let templateModel = KMWatermarkTemplateModel()
        templateModel.initModel(model: model)
        
        textController.datas.insert(templateModel, at: 0)
        textController.dealSelectModel(selectedModel: templateModel)
        textController.refreshUI()
    }
    
    func addFileModel(model: KMWatermarkModel) {
        let templateModel = KMWatermarkTemplateModel()
        templateModel.initModel(model: model)
        
        fileController.datas.insert(templateModel, at: 0)
        fileController.dealSelectModel(selectedModel: templateModel)
        fileController.refreshUI()
    }
}

extension KMWatermarkPropertyController: KMWatermarkAdjectiveListControllerDelegate {
    func controller(controller: KMWatermarkAdjectiveListController, shouldSelectAtRow: Int) -> Bool {
        if self.preView != nil {
            let watermarks = self.preView.document.watermarks()
            if (watermarks == nil || watermarks!.count == 0) {
                return true
            }
            
             // 替换水印
            let alert = NSAlert()
            alert.alertStyle = .warning
            alert.messageText = NSLocalizedString("文件中已添加水印，您要替换现有的水印吗？", comment: "")
            alert.addButton(withTitle: NSLocalizedString("替换", comment: ""))
            alert.addButton(withTitle: NSLocalizedString("Cancel", comment: ""))
            let result = alert.runModal()
            if (result != .alertFirstButtonReturn) {
                return false
            }
                
            /// 替换
            for i in 0 ..< watermarks!.count {
                let model = watermarks![i]
                self.preView.document.removeWatermark(model)
                self.preView.setNeedsDisplayForVisiblePages()
            }
        }
        return true
    }
    func controller(controller: KMWatermarkAdjectiveListController, didSelectAtRow: Int) {
        if (didSelectAtRow < controller.datas.count) {
            let model: KMWatermarkTemplateModel = controller.datas[didSelectAtRow] as! KMWatermarkTemplateModel
            
            guard let callback = templateModelDidSelected else {
                return
            }
            
            callback(model)
        }
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, shouldRemoveAtRow: Int) -> Bool {
        return true
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, didRemoveAtRow: Int) {
        let model: KMWatermarkTemplateModel = controller.datas[didRemoveAtRow] as! KMWatermarkTemplateModel
        
        let result = KMWatermarkManager.defaultManager.removeWatermark(watermark: model)
        if (result) {
            controller.datas.remove(at: didRemoveAtRow)
            controller.refreshUI()
        }
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, shouldEditAtRow: Int) -> Bool {
        return true
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, didEditAtRow: Int) {
        let model: KMWatermarkTemplateModel = controller.datas[didEditAtRow] as! KMWatermarkTemplateModel
        
        guard let callback = templateMenuItemClick else {
            return
        }
        callback(1, model)
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, item: NSMenuItem, itemIndex: Int) {
        if (itemIndex == 0) { /// 编辑
            let model: KMWatermarkTemplateModel = controller.datas[item.tag] as! KMWatermarkTemplateModel
            
            guard let callback = templateMenuItemClick else {
                return
            }
            callback(1, model)
            
        } else if (itemIndex == 1) { /// 删除
            if (item.tag < controller.datas.count) {
                let model: KMWatermarkTemplateModel = controller.datas[item.tag] as! KMWatermarkTemplateModel
                
                let result = KMWatermarkManager.defaultManager.removeWatermark(watermark: model)
                if (result) {
                    controller.datas.remove(at: item.tag)
                    controller.refreshUI()
                }
            }
        } else if (itemIndex == 2) { /// 删除全部
            let alert = NSAlert()
            alert.messageText = "确认删除全部模板吗?"
            alert.addButton(withTitle: "删除")
            alert.addButton(withTitle: "取消")
            let result = alert.runModal()
            if (result == .alertSecondButtonReturn) { /// 取消
                return
            }
            if (textController.isEqual(to: controller)) { /// 文本
                let result = KMWatermarkManager.defaultManager.removeAllTextWatermarks()
                if (result) {
                    controller.datas.removeAll()
                    controller.refreshUI()
                }
            } else if (fileController.isEqual(to: controller)) { /// 文件
                let result = KMWatermarkManager.defaultManager.removeAllFileWatermarks()
                if (result) {
                    controller.datas.removeAll()
                    controller.refreshUI()
                }
            }
        }
    }
}