//
//  Shell.swift
//  
//
//  Created by Thibaut Schmitt on 22/12/2021.
//

import Foundation

public class Shell {
    
    @discardableResult
    public static func shell(_ args: String...) -> (terminationStatus: Int32, output: String?) {
        let task = Process()
        task.launchPath = "/usr/bin/env"
        task.arguments = args
        
        let pipe = Pipe()
        task.standardOutput = pipe
        task.launch()
        task.waitUntilExit()
        
        let data = pipe.fileHandleForReading.readDataToEndOfFile()
        
        guard let output: String = String(data: data, encoding: .utf8) else {
            return (terminationStatus: task.terminationStatus, output: nil)
        }
        
        return (terminationStatus: task.terminationStatus, output: output)
    }
    
    @discardableResult
    public static func shell(_ args: [String]) -> (terminationStatus: Int32, output: String?) {
        let task = Process()
        task.launchPath = "/usr/bin/env"
        task.arguments = args
        
        let pipe = Pipe()
        task.standardOutput = pipe
        task.launch()
        task.waitUntilExit()
        
        let data = pipe.fileHandleForReading.readDataToEndOfFile()
        
        guard let output: String = String(data: data, encoding: .utf8) else {
            return (terminationStatus: task.terminationStatus, output: nil)
        }
        
        return (terminationStatus: task.terminationStatus, output: output)
    }
}