//
//  MSG_DesktopApp.swift
//  MSG Desktop
//
//  Created by Chad Nelson on 3/8/25.
//

import SwiftUI
import Foundation

func oldshell(_ command: String) -> String {
    let task = Process()
    let pipe = Pipe()
    
    task.standardOutput = pipe
    task.standardError = pipe
    task.arguments = ["-c", command]
    task.launchPath = "/bin/zsh"
    task.standardInput = nil
    task.launch()
    
    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: .utf8)!
    return output
}

func runShellCommandAsync(command: String, outputText: Binding<String>, showButton: Binding<Bool>?) {
    DispatchQueue.global(qos: .background).async {
        let task = Process()
        let pipe = Pipe()
        
        task.standardOutput = pipe
        task.standardError = pipe
        task.arguments = ["-c", command]
        task.launchPath = "/bin/zsh"
        task.standardInput = nil
        
        task.environment = [
            "GUILE_LOAD_PATH": "/opt/homebrew/share/guile/site/3.0:/usr/local/share/guile/site/3.0/",
            "GUILE_LOAD_COMPILED_PATH": "/opt/homebrew/lib/guile/3.0/site-ccache:/usr/local/lib/guile/3.0/site-ccache/",
            "GUILE_SYSTEM_EXTENSIONS_PATH": "/opt/homebrew/lib/guile/3.0/extensions:/usr/local/lib/guile/3.0/extensions/",
            "PATH": "$PATH:/opt/homebrew/bin:/usr/bin:/usr/local/bin:/bin"
        ]
        
        task.launch()
        
        let fileHandle = pipe.fileHandleForReading
        fileHandle.waitForDataInBackgroundAndNotify()
        
        var observer: NSObjectProtocol?
        
        observer = NotificationCenter.default.addObserver(forName: .NSFileHandleDataAvailable, object: fileHandle, queue: nil) { _ in
            let data = fileHandle.availableData
            if let output = String(data: data, encoding: .utf8), !output.isEmpty {
                DispatchQueue.main.async {
                    outputText.wrappedValue += output
                }
            }
            fileHandle.waitForDataInBackgroundAndNotify()
        }
        
        task.waitUntilExit()
        
        if let observer = observer {
            NotificationCenter.default.removeObserver(observer)
        }
        
        if showButton != nil {
            showButton?.wrappedValue = false;
        }
    }
}

func shell(_ command: String) -> String {
    let task = Process()
    let pipe = Pipe()
    
    task.standardOutput = pipe
    task.standardError = pipe
    task.arguments = ["-c", command]
    task.launchPath = "/bin/zsh"
    task.standardInput = nil

    task.environment = [
        "GUILE_LOAD_PATH": "/opt/homebrew/share/guile/site/3.0:/usr/local/share/guile/site/3.0/",
        "GUILE_LOAD_COMPILED_PATH": "/opt/homebrew/lib/guile/3.0/site-ccache:/usr/local/lib/guile/3.0/site-ccache/",
        "GUILE_SYSTEM_EXTENSIONS_PATH": "/opt/homebrew/lib/guile/3.0/extensions:/usr/local/lib/guile/3.0/extensions/",
        "PATH": "$PATH:/opt/homebrew/bin:/usr/bin:/usr/local/bin:/bin"
    ]

    task.launch()
    
    let data = pipe.fileHandleForReading.readDataToEndOfFile()
    let output = String(data: data, encoding: .utf8) ?? "Error reading output"
    
    return output.trimmingCharacters(in: .whitespacesAndNewlines)
}


@main
struct MSG_DesktopApp: App {
    var body: some Scene {
        WindowGroup {
            ContentView()
        }
    }
}