//
//  ViewController.swift
//  LunaMac
//
//  Created by Claire Davis on 9/22/22.
//  Copyright © 2022 A Better Geek. All rights reserved.
//

import Cocoa

class ViewController: NSViewController, NSWindowDelegate, NSTextViewDelegate {
    
    let appDelegate = NSApplication.shared.delegate as! AppDelegate
    
    @IBOutlet var textView: NSTextView!
    @IBOutlet var label: NSTextField!
    
    override func viewDidLoad() {
        super.viewDidLoad()
        
        toggleWindow(boolShow: true)
    }
    
    override func viewDidAppear() {
        self.view.window?.delegate = self
        let title = self.view.window?.title ?? ""
        
        // use this to load the changelog, maybe?
        if (title.contains("Changelog")) {
            // get log file path
            let logPath = Bundle.main.path(forResource: "changelog.txt", ofType: nil)!
            // get contents of log file
            let logText = (try? String(contentsOfFile: logPath, encoding: String.Encoding.utf8)) ?? "Changelog couldn't be read."
            
            // create an object to hold the text and its formatting
            let textStorage = NSTextStorage(string: logText)
            textStorage.font = NSFont(name: "Monaco", size: 11)
            textStorage.foregroundColor = NSColor.textColor
            
            // replace textView's textStorage contents
            self.textView?.layoutManager?.replaceTextStorage(textStorage)
        }
        else if (title.contains("About")) {
            // set label with version number
            if (label.tag == 100) {
                label.stringValue = ("Using LunaMac " + Bundle.main.appBuild)
            }
        }
    }
    
    // triggers when window is closed
    override func viewWillDisappear() {
        toggleWindow(boolShow: false)
    }

    func toggleWindow(boolShow: Bool = false) {
        // get the window title to set the right bool
        // window title is in self.view.window.title
        let winTitle = self.view.window?.title
        
        if (winTitle?.contains("About") ?? false) {
            appDelegate.infoOpen = boolShow
        }
        else if (winTitle?.contains("Changelog") ?? false) {
            appDelegate.logOpen = boolShow
        }
    }
}

extension Bundle {
    public var appName: String { return getInfo("CFBundleName")  }
    public var displayName: String { return getInfo("CFBundleDisplayName")}
    public var language: String { return getInfo("CFBundleDevelopmentRegion")}
    public var identifier: String { return getInfo("CFBundleIdentifier")}
    public var copyright: String { return getInfo("NSHumanReadableCopyright").replacingOccurrences(of: "\\\\n", with: "\n") }
    
    public var appBuild: String { return getInfo("CFBundleVersion") }
    public var appVersionLong: String { return getInfo("CFBundleShortVersionString") }
    
    fileprivate func getInfo(_ str: String) -> String { return infoDictionary?[str] as? String ?? "⚠️" }
}