//
//  StatusBarController.swift
//  LiquipediaMenu
//
//  Created by Felix Förtsch on 08.10.18.
//  Copyright © 2018 Felix Förtsch. All rights reserved.
//

import Cocoa

class StatusBarController: NSObject, NSMenuItemValidation {
    
    func validateMenuItem(_ menuItem: NSMenuItem) -> Bool {
        return true
    }
    
    let statusBar = NSMenu()
    let statusBarItem = NSStatusBar.system.statusItem(withLength: NSStatusItem.variableLength)
    let matchesAPI = MatchesAPI()
    var matches = [Match]()
    
    override func awakeFromNib() {
        // Set the icon of the statusbar item and put it into the statusbar.
        let icon = NSImage(named: "statusBarIcon")
        icon?.isTemplate = true
        statusBarItem.image = icon
        statusBarItem.menu = statusBar
        
        // Add the starting menu items.
        statusBar.addItem(NSMenuItem.init(title: "Refresh", action: #selector(refreshClicked), keyEquivalent: ""))
        statusBar.addItem(NSMenuItem.init(title: "Set MatchView", action: #selector(updateView), keyEquivalent: ""))
        statusBar.addItem(NSMenuItem.init(title: "Quit", action: #selector(quitClicked), keyEquivalent: ""))
        
        // Set the target to self, so the selectors know where to select.
        for item in statusBar.items {
            item.target = self
        }
        
        //--
        statusBar.addItem(NSMenuItem.separator())
        //--
        
        performSelector(inBackground: #selector(refreshClicked), with: nil)
    }
    
    @objc func refreshClicked(_ sender: NSMenuItem) {
        
        DispatchQueue.global().async {
            // TODO: Add Spinner to indicate that loading is going on.
            
            for item in self.statusBar.items {
                if item.tag == 1 {
                    self.statusBar.removeItem(item)
                }
            }
            
            if let matches = self.matchesAPI.fetchMatches(for: "dota2") {
                for match in matches {
                    let newItem = NSMenuItem.init(title: match.league + match.team1name + match.team1score + ":" + match.team2score + match.team2name, action: nil, keyEquivalent: "")
                    newItem.tag = 1
                    newItem.target = self
                    self.statusBar.addItem(newItem)
                }
            } else {
                let newItem = NSMenuItem.init(title: "There was an error receiving ongoing matches.", action: nil, keyEquivalent: "")
                newItem.tag = 1
                newItem.target = self
                self.statusBar.addItem(newItem)
            }
        }
        
    }
    
    @objc func updateView() {
        for item in statusBar.items {
            if item.tag == 1 {
                item.view? = MatchView()
            }
        }
    }
    
    @objc func quitClicked(_ sender: NSMenuItem) {
        NSApplication.shared.terminate(self)
    }
    
}