Atoll/DynamicIsland/helpers/AppIcons.swift

//
//  AppIcons.swift
//  DynamicIsland
//
//  Created by Harsh Vardhan  Goswami  on 16/08/24.
//

import SwiftUI
import AppKit
import Defaults

struct AppIcons {
    
    func getIcon(file path: String) -> NSImage? {
        guard FileManager.default.fileExists(atPath: path)
        else { return nil }
        
        return NSWorkspace.shared.icon(forFile: path)
    }
    
    func getIcon(bundleID: String) -> NSImage? {
        guard let path = NSWorkspace.shared.urlForApplication(
            withBundleIdentifier: bundleID
        )?.absoluteString
        else { return nil }
        
        return getIcon(file: path)
    }
    
        /// Easily read Info.plist as a Dictionary from any bundle by accessing .infoDictionary on Bundle
    func bundle(forBundleID: String) -> Bundle? {
        guard let url = NSWorkspace.shared.urlForApplication(withBundleIdentifier: forBundleID)
        else { return nil }
        
        return Bundle(url: url)
    }
    
}

func AppIcon(for bundleID: String) -> Image {
    let workspace = NSWorkspace.shared
    
    if let appURL = workspace.urlForApplication(withBundleIdentifier: bundleID) {
        let appIcon = workspace.icon(forFile: appURL.path)
        return Image(nsImage: appIcon)
    }
    
    return Image(nsImage: workspace.icon(for: .applicationBundle))
}


func AppIconAsNSImage(for bundleID: String) -> NSImage? {
    let workspace = NSWorkspace.shared
    
    if let appURL = workspace.urlForApplication(withBundleIdentifier: bundleID) {
        let appIcon = workspace.icon(forFile: appURL.path)
        return appIcon
    }
    return nil
}

func applySelectedAppIcon() {
    let customIcons = Defaults[.customAppIcons]
    if let selectedID = Defaults[.selectedAppIconID],
       let icon = customIcons.first(where: { $0.id.uuidString == selectedID }),
       let image = NSImage(contentsOf: icon.fileURL) {
        NSApp.applicationIconImage = image
        return
    }

    let fallbackName = Bundle.main.iconFileName ?? "AppIcon"
    if let image = NSImage(named: fallbackName) {
        NSApp.applicationIconImage = image
    }
}