//
//  KMAILanguagePopVC.swift
//  PDF Reader Pro
//
//  Created by wanjun on 2023/5/24.
//

import Cocoa

typealias aiLanguagePopCellViewDownCallback = (_ language: String) -> Void

class KMAILanguagePopTableviewCell: NSTableCellView {
    
    @IBOutlet weak var mainBox: KMBox!
    @IBOutlet weak var languageLabel: NSTextField!
    var selectUrls: [URL] = []
    var isSelect: Bool = false
    var selectString: String = ""

    // MARK: Init
    
    override func awakeFromNib() {
        super.awakeFromNib()
        
        self.mainBox.fillColor = .clear
        self.languageLabel.textColor = NSColor.km_init(hex: "#252629")
        self.languageLabel.font = NSFont.SFProTextRegularFont(14.0)
        
        self.mainBox.moveCallback =  { [unowned self](mouseEntered: Bool, mouseBox: KMBox) -> Void in
            if !self.isSelect {
                if mouseEntered {
                    self.mainBox.fillColor = NSColor.km_init(hex: "#EDEEF0")
                } else {
                    self.mainBox.fillColor = .clear
                }
            }
        }
        self.mainBox.downCallback = { [unowned self](downEntered: Bool, mouseBox: KMBox, event) -> Void in
            if downEntered {
                if !self.isSelect {
                    self.mainBox.fillColor = NSColor.km_init(hex: "#1770F4", alpha: 0.1)
                }
            }
        }
    }
    
    // MARK: Private Methods
    
    func refreshAIUI() -> Void {
        self.mainBox.fillColor = .clear
    }
     
    // MARK: Action
}

class KMAILanguagePopVC: NSViewController, NSTableViewDelegate, NSTableViewDataSource {

    @IBOutlet weak var tableView: NSTableView!
    @IBOutlet weak var customBoxWidthLayoutConstraint: NSLayoutConstraint!
    @IBOutlet weak var customBoxHeightLayoutConstraint: NSLayoutConstraint!
    
    var languages: [String] = []
    var downCallback: aiLanguagePopCellViewDownCallback?
    var selectString: String = ""

    func initWithPopViewDataArr(_ popViewDataArr: [String]) -> Self {
        self.languages = popViewDataArr
        return self
    }
    
    override func viewDidLoad() {
        super.viewDidLoad()
        // Do view setup here.
        
        NotificationCenter.default.addObserver(self, selector: #selector(tableViewDidScroll(_:)), name: NSScrollView.didLiveScrollNotification, object: tableView.enclosingScrollView)
    }
    
    override func viewDidAppear() {
        super.viewDidAppear()
        self.tableView.reloadData()
    }
    
    // MARK: NSTableViewDelegate
    
    func tableView(_ tableView: NSTableView, heightOfRow row: Int) -> CGFloat {
        return 32.0;
    }
    
    func tableView(_ tableView: NSTableView, viewFor tableColumn: NSTableColumn?, row: Int) -> NSView? {
        let language: String = languages[row] as! String
        let identifier = tableColumn?.identifier
        let cellView: KMAILanguagePopTableviewCell = tableView.makeView(withIdentifier:identifier!, owner: self) as! KMAILanguagePopTableviewCell
        cellView.languageLabel.stringValue = language
        cellView.refreshAIUI()
        if language == self.selectString {
            cellView.mainBox.fillColor = NSColor.km_init(hex: "#0A82FF", alpha: 0.75)
            cellView.isSelect = true
        } else {
            cellView.isSelect = false
        }
        return cellView
    }
    
    func tableViewSelectionDidChange(_ notification: Notification) {
        let tableView: NSTableView = notification.object as? NSTableView ?? NSTableView()
        if tableView == self.tableView {
            if (self.tableView?.selectedRow != -1) {
                if let callback = self.downCallback {
                    callback(self.languages[self.tableView!.selectedRow])
                }

            }
        }
    }
    
    @objc func tableViewDidScroll(_ notification: Notification) {
        self.tableView.reloadData()
    }
    
    // MARK: NSTableViewDataSource
    
    func numberOfRows(in tableView: NSTableView) -> Int {
        return languages.count
    }
    
}