//
//  KMHeaderFooterPropertyController.swift
//  PDF Reader Pro
//
//  Created by tangchao on 2022/12/27.
//

import Cocoa

typealias KMHeaderFooterPropertyTemplateDidSelected = (_ model: KMHeaderFooterObject,_ isSelected: Bool)->()
typealias KMHeaderFooterPropertyTemplateMenuItemClick = (_ itemIndex: Int,  _ model: KMHeaderFooterObject)->()

/// 页眉页脚 属性控制器
class KMHeaderFooterPropertyController: KMWatermarkAdjectivePropertyBaseController {
    
    var templateDidSelected: KMHeaderFooterPropertyTemplateDidSelected!
    var menuItemClick: KMHeaderFooterPropertyTemplateMenuItemClick!
    
    var controller = KMHeaderFooterListController()
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.showBack(show: false)
        self.titleLabel.stringValue = NSLocalizedString("HeaderAndFooter", comment: "")
        self.segementControl.isHidden = true
        self.segementControlHeightConst.constant = 0
        
        let item = NSTabViewItem(identifier: "tabID")
        item.label = "tab1";
        let controller = self.controller
        item.viewController = controller
        controller.emptyView.despLabel.stringValue = NSLocalizedString("Click the Add button in the upper right corner to create a new header & footer.", comment: "")
        controller.delegate = self
        
        self.tabView.addTabViewItem(item)
        childViewController.append(controller)
        
        reloadDatas()
    }
    
    func reloadDatas () {
        let controller: KMHeaderFooterListController = childViewController[0] as! KMHeaderFooterListController
        controller.initDatas(datas: KMHeaderFooterManager.defaultManager.headFooterObjects)
    }
    
    func deleteTemplateModel(_ templateModel: KMHeaderFooterObject) -> Bool {
        return KMHeaderFooterManager.defaultManager.removeHeaderFooter(templateModel)
    }
    
    func deleteTemplateModel(in controller: KMHeaderFooterListController, index: Int) {
        if (index >= controller.datas.count) {
            return
        }
        
        let templateModel: KMHeaderFooterObject = controller.datas[index] as! KMHeaderFooterObject
        if (deleteTemplateModel(templateModel)) { /// 删除成功，刷新数据
            reloadDatas()
        }
    }
    
    func deleteAllTemplateModel(in controller: KMHeaderFooterListController) {
        KMHeaderFooterManager.defaultManager.removeAllHeaderFooter()
        reloadDatas()
    }
    
    func findTemplateModel(in controller: KMHeaderFooterListController, index: Int) -> KMHeaderFooterObject? {
        if (index >= controller.datas.count) {
            return nil
        }
        
        return (controller.datas[index] as! KMHeaderFooterObject)
    }
}

extension KMHeaderFooterPropertyController: KMWatermarkAdjectiveListControllerDelegate {
    func controller(controller: KMWatermarkAdjectiveListController, shouldSelectAtRow: Int) -> Bool {
        return true
    }
    func controller(controller: KMWatermarkAdjectiveListController, didSelectAtRow: Int) {
        guard let callback = templateDidSelected else {
            return
        }

        let isSelected = controller.selectedTemplateID.isEmpty == false
        callback(findTemplateModel(in: controller as! KMHeaderFooterListController, index: didSelectAtRow)!, isSelected)
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, didRemoveAtRow: Int) {
        deleteTemplateModel(in: controller as! KMHeaderFooterListController, index: didRemoveAtRow)
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, didEditAtRow: Int) {
        guard let callback = menuItemClick else {
            return
        }
        
        callback(2, findTemplateModel(in: controller as! KMHeaderFooterListController, index: didEditAtRow)!)
    }
    
    func controller(controller: KMWatermarkAdjectiveListController, item: NSMenuItem, itemIndex: Int) {
        if (itemIndex == 1) { /// 删除
            deleteTemplateModel(in: controller as! KMHeaderFooterListController, index: item.tag)
            return
        }
        
        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
            }
            
            deleteAllTemplateModel(in: controller as! KMHeaderFooterListController)
            return
        }
        
        /// 编辑
        guard let callback = menuItemClick else {
            return
        }
        
        callback(2, findTemplateModel(in: controller as! KMHeaderFooterListController, index: item.tag)!)
    }
}