secretive/Secretive/Controllers/AgentStatusChecker.swift

import Foundation
import Combine
import AppKit

protocol AgentStatusCheckerProtocol: ObservableObject {
    var running: Bool { get }
}

class AgentStatusChecker: ObservableObject, AgentStatusCheckerProtocol {

    @Published var running: Bool = false
    let bundleID = Bundle.main.bundleIdentifier?.replacingOccurrences(of: "Host", with: "SecretAgent")

    init() {
        check()
    }

    func check() {
        running = instanceSecretAgentProcess != nil
    }

    // All processes, including ones from older versions, etc
    var secretAgentProcesses: [NSRunningApplication] {
        NSRunningApplication.runningApplications(withBundleIdentifier: bundleID ?? "com.maxgoedjen.Secretive.SecretAgent")
    }

    // The process corresponding to this instance of Secretive
    var instanceSecretAgentProcess: NSRunningApplication? {
        let agents = secretAgentProcesses
        for agent in agents {
            guard let url = agent.bundleURL else { continue }
            if url.absoluteString.hasPrefix(Bundle.main.bundleURL.absoluteString) {
                return agent
            }
        }
        return nil
    }

}