//
//  KMBackgroundPropertyController.swift
//  PDF Master
//
//  Created by tangchao on 2022/12/23.
//

import Cocoa

protocol KMBackgroundPropertyDelegate: KMWatermarkAdjectivePropertyDelegate {
    
}

typealias KMBackgroundPropertyTemplateDidSelected = (_ model: KMBackgroundModel,_ isSelected: Bool)->()
typealias KMBackgroundPropertyTemplateMenuItemClick = (_ itemIndex: Int,  _ model: KMBackgroundModel)->()
class KMBackgroundPropertyController: KMWatermarkAdjectivePropertyBaseController {

    var templateDidSelected: KMBackgroundPropertyTemplateDidSelected!
    var menuItemClick: KMBackgroundPropertyTemplateMenuItemClick!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        self.showBack(show: false)
        self.titleLabel.stringValue = NSLocalizedString("Background", comment: "")
        self.segementControl.items = [NSLocalizedString("Color", comment: ""),NSLocalizedString("File", comment: "")]
        self.segementControl.itemClick = {
            [self] (index: Int) in
            self.tabView.selectTabViewItem(at: index)
        }
        
        let item = NSTabViewItem(identifier: "tabID")
        item.label = "tab1";
        let controller = KMBackgroundListController()
        item.viewController = controller
        controller.emptyView.despLabel.stringValue = NSLocalizedString("Click the Add button in the upper right corner to create a new background.", comment: "")
        controller.delegate = self
        
        let item2 = NSTabViewItem(identifier: "tablID2")
        item2.label = "tab2";
        let controller2 = KMBackgroundListController()
        item2.viewController = controller2
        controller2.emptyView.despLabel.stringValue = NSLocalizedString("Click the Add button in the upper right corner to create a new background.", comment: "")
        controller2.delegate = self
        
        self.tabView.addTabViewItem(item)
        self.tabView.addTabViewItem(item2)
        
        childViewController.append(controller)
        childViewController.append(controller2)
        
        reloadDatas()
    }
    
    func findTemplateModel(in controller: KMBackgroundListController, index: Int) -> KMBackgroundModel? {
        if (index >= controller.datas.count) {
            return nil
        }
        
        return (controller.datas[index] as! KMBackgroundModel)
    }
    
    func deleteTemplateModel(_ templateModel: KMBackgroundModel) -> Bool {
        return KMBackgroundManager.defaultManager.deleteTemplate(model: templateModel)
    }
    
    func deleteTemplateModel(in controller: KMBackgroundListController, index: Int) {
        if (index >= controller.datas.count) {
            return
        }
        
        let templateModel: KMBackgroundModel = controller.datas[index] as! KMBackgroundModel
        if (deleteTemplateModel(templateModel)) { /// 删除成功，刷新数据
            reloadDatas()
        }
    }
    
    func deleteAllTemplateModel(in controller: KMBackgroundListController) {
        if (controller.isEqual(to: childViewController.first)) {
            if (KMBackgroundManager.defaultManager.deleteAllColorTemplates()) {
                reloadDatas()
            }
        } else {
            if (KMBackgroundManager.defaultManager.deleteAllFileTemplates()) {
                reloadDatas()
            }
        }
    }
    
    func reloadDatas () {
        var colorModels: Array<KMBackgroundModel> = []
        var fileModels: Array<KMBackgroundModel> = []
        for model in KMBackgroundManager.defaultManager.datas {
            if (model.type == .file) { /// 文件
                fileModels.append(model)
            } else { /// 颜色
                colorModels.append(model)
            }
        }
        
        var count: Int = 0
        for controller in childViewController {
            let listController: KMBackgroundListController = controller as! KMBackgroundListController
            if (count == 0) {
                listController.initDatas(datas: colorModels)
            } else {
                listController.initDatas(datas: fileModels)
            }
            count += 1
        }
    }
}

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