//
//  KMOCRPresenter.swift
//  PDF Master
//
//  Created by lizhe on 2022/12/8.
//

import Cocoa

class KMOCRPresenter: NSObject {
    lazy var model: KMOCRModel! = KMOCRModel()
    var view: NSView?
    fileprivate weak var delegate: KMOCRPresenterDelegate?
    
    /**
     初始化presenter
     */
    func initPresenter(delegate: KMOCRPresenterDelegate, data: KMOCRModel) {
        self.delegate = delegate
        self.model = model
        self.delegate?.showData(presenter: self, data: self.model)
    }
    
    func cleanAll() {
        self.delegate?.showData(presenter: self, data: self.model)
    }
}

extension KMOCRPresenter: KMOCRPresenterProtocol {
    func selectLanguage(sender: NSButton) {
        KMGOCRManager.default().ocrType = .apple
        let languageArray:[NSDictionary] = (KMGOCRManager.languages() as? Array)!
        
        let menu = NSMenu.init()
        for dic in languageArray {
           let item = menu.addItem(withTitle: NSLocalizedString(dic[KMGOCRLanguageStringKey] as! String, comment: ""),
                                   action: #selector(language),
                                   keyEquivalent: "")
            item.target = self
            item.representedObject = dic
        }
        
        menu.popUp(positioning: menu.item(at: 0), at: CGPoint(x: 0, y: (sender as NSView).fittingSize.height), in: sender as NSView)
    }
    
    func saveTXT(sender: NSButton) {
        if sender.state == .on {
            self.model.exportOptions.insert(.txt)
        } else {
            self.model.exportOptions.remove(.txt)
        }
        
        if self.delegate != nil {
            self.delegate!.showData(presenter: self, data: self.model)
        }
    }
    
    func savePDF(sender: NSButton) {
        if sender.state == .on {
            self.model.exportOptions.insert(.pdf)
        } else {
            self.model.exportOptions.remove(.pdf)
        }
        
        if self.delegate != nil {
            self.delegate!.showData(presenter: self, data: self.model)
        }
    }
    
    func export(filePath: String) {
        self.model.exportFilePath = filePath
        if self.delegate != nil {
            self.delegate!.export(presenter: self, data: self.model)
        }
    }
    
    @objc func language(sender: NSMenuItem) {
        KMPrint(sender.representedObject!)
        let dic: NSDictionary = sender.representedObject as! NSDictionary
        self.model.languageDic = dic
        self.model.languageType = KMOCRLanguageType.init(rawValue: dic[KMGOCRLanguageCodeKey] as! String)
        
        if (self.delegate != nil) {
            self.delegate?.showData(presenter: self, data: self.model)
        }
    }
    
    func free() {
        view = nil
        delegate = nil
    }
    
}

protocol KMOCRPresenterDelegate: AnyObject {
    /**
     @abstract 回调，返回处理后的数据
     @param presenter
     @param data 返回数据
     */
    func showData(presenter: KMOCRPresenter, data: KMOCRModel)
    /**
     @abstract 导出成功回调
     */
    func export(presenter: KMOCRPresenter, data: KMOCRModel)
}

protocol KMOCRPresenterProtocol {
    /**
     @abstract 选择语言
     */
    func selectLanguage(sender: NSButton)
    /**
     @abstract 保存TXT
     */
    func saveTXT(sender: NSButton)
    /**
     @abstract 保存PDF
     */
    func savePDF(sender: NSButton)
    /**
     @abstract 导出
     */
    func export(filePath: String)
    /**
     @abstract 解除绑定
     */
    func free()
}