//
//  KMPlanViewController.swift
//  PDF Reader Pro
//
//  Created by liujiajie on 2023/12/6.
//

import Cocoa

@objc(KMPlanTableCellView)
protocol KMPlanTableCellViewDelegate: AnyObject {
    func tableCellViewCheckButtonDidChange(_ cell: KMPlanTableCellView)
}


class KMPlanTableCellView: NSTableCellView{
    var delegate: KMPlanTableCellViewDelegate?
    var language: String = ""
    @IBOutlet var planTextField: NSTextField!
    @IBOutlet var planButton: NSButton!
    
    @IBAction func planButtonAction(_ sender: NSButton) {
        self.delegate?.tableCellViewCheckButtonDidChange(self)
    }
}


class KMPlanViewController: NSViewController,KMPlanTableCellViewDelegate,NSOutlineViewDelegate,NSOutlineViewDataSource{
    
    @IBOutlet var outlineView: NSOutlineView!
    lazy var palns: Array<String> = {
        let palns = [KMLocalizedString("Plan 1 (Online)"), KMLocalizedString("Plan 2 (Offline)")]
        return palns
    }()
    
    override init(nibName nibNameOrNil: NSNib.Name?, bundle nibBundleOrNil: Bundle?) {
        super.init(nibName: nibNameOrNil, bundle: nibBundleOrNil)
        
    }
    
    required init?(coder: NSCoder) {
        super.init(coder: coder)
    }
    
    override func awakeFromNib() {
        super.awakeFromNib()
        self.outlineView.reloadData()
    }
    //MARK: NSOutlineViewDataSource
    func outlineView(_ outlineView: NSOutlineView, numberOfChildrenOfItem item: Any?) -> Int {
        return self.palns.count
    }
    func outlineView(_ outlineView: NSOutlineView, child index: Int, ofItem item: Any?) -> Any {
        return self.palns[index]
    }
    func outlineView(_ outlineView: NSOutlineView, isItemExpandable item: Any) -> Bool {
        return false
    }
    // NSOutlineViewDelegate
    func outlineView(_ outlineView: NSOutlineView, viewFor tableColumn: NSTableColumn?, item: Any) -> NSView? {
        let result = outlineView.makeView(withIdentifier: NSUserInterfaceItemIdentifier("PlanDataCell"), owner: self) as! KMPlanTableCellView
        let plan = UserDefaults.standard.integer(forKey: "KMOCRCurrentPlanKey")
        if plan == transformCellNum(cellContent: item as! String) {
            result.planButton.state = .on
        } else {
            result.planButton.state = .off
        }
        result.planTextField.stringValue = item as! String
        result.language = item as! String
        result.delegate = self 
        return result
    }
    func outlineView(_ outlineView: NSOutlineView, shouldSelectItem item: Any) -> Bool {
        return false
    }

    //MARK: KMPlanTableCellViewDelegate
    func tableCellViewCheckButtonDidChange(_ cell: KMPlanTableCellView) {
        let plan = transformCellNum(cellContent: cell.planTextField.stringValue)
        if cell.planButton.state == .on{
            UserDefaults.standard.set(plan, forKey: "KMOCRCurrentPlanKey")
        } else {
            if plan == 0 {
                UserDefaults.standard.set(1, forKey: "KMOCRCurrentPlanKey")
            } else {
                UserDefaults.standard.set(0, forKey: "KMOCRCurrentPlanKey")
            }
            UserDefaults.standard.synchronize()
        }
        self.outlineView.reloadData() 
        NotificationCenter.default.post(name: NSNotification.Name("KMOCRSelectedPlanChangeNotification"), object: nil)
    }
    
    func transformCellNum(cellContent:String) -> Int {
        var index = 0
        for i in 0..<(self.palns.count) {
            let str: String = self.palns[i]
            if cellContent == str {
                index = i
                break
            }
        }
        return index
    }
    
}