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main.swift.backup

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+import Cocoa
+
+class TerminalViewController: NSViewController, NSTextViewDelegate {
+    var textView: NSTextView!
+    var shellTask: Process?
+    var inputPipe: Pipe?
+    var outputPipe: Pipe?
+    var promptPosition = 0
+    
+    override func loadView() {
+        let scrollView = NSScrollView(frame: NSRect(x: 0, y: 0, width: 800, height: 600))
+        scrollView.autoresizingMask = [.width, .height]
+        scrollView.hasVerticalScroller = true
+        
+        textView = NSTextView(frame: scrollView.bounds)
+        textView.autoresizingMask = [.width, .height]
+        textView.backgroundColor = .black
+        textView.textColor = .green
+        textView.font = NSFont.monospacedSystemFont(ofSize: 14, weight: .regular)
+        textView.isEditable = true
+        textView.delegate = self
+        
+        scrollView.documentView = textView
+        self.view = scrollView
+    }
+    
+    override func viewDidLoad() {
+        super.viewDidLoad()
+        appendText("Simple Terminal v1.0\n")
+        appendText("Type commands and press Enter\n")
+        appendText("Type 'exit' to quit\n\n")
+        startShell()
+    }
+    
+    func startShell() {
+        shellTask = Process()
+        inputPipe = Pipe()
+        outputPipe = Pipe()
+        
+        shellTask?.executableURL = URL(fileURLWithPath: "/bin/zsh")
+        shellTask?.arguments = ["-i"]
+        shellTask?.environment = [
+            "TERM": "dumb",
+            "PS1": "$ ",
+            "PATH": ProcessInfo.processInfo.environment["PATH"] ?? "/usr/bin:/bin:/usr/sbin:/sbin",
+            "HOME": ProcessInfo.processInfo.environment["HOME"] ?? ""
+        ]
+        shellTask?.standardInput = inputPipe
+        shellTask?.standardOutput = outputPipe
+        shellTask?.standardError = outputPipe
+        
+        outputPipe?.fileHandleForReading.readabilityHandler = { [weak self] handle in
+            let data = handle.availableData
+            if data.count > 0, let output = String(data: data, encoding: .utf8) {
+                DispatchQueue.main.async {
+                    self?.appendText(output)
+                }
+            }
+        }
+        
+        do {
+            try shellTask?.run()
+        } catch {
+            appendText("Error starting shell: \(error)\n")
+        }
+        
+        showPrompt()
+    }
+    
+    func showPrompt() {
+        appendText("$ ")
+        promptPosition = textView.string.count
+    }
+    
+    func appendText(_ text: String) {
+        // Strip ANSI escape codes for simpler display
+        let cleaned = text.replacingOccurrences(of: "\u{1B}\\[[0-9;]*[a-zA-Z]", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\u{1B}\\][0-9];[^\u{07}]*\u{07}", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\\]633;[^\u{07}]*\u{07}", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\\]697;[^\u{07}]*\u{07}", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\\]1;[^\u{07}]*\u{07}", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\\]2;[^\u{07}]*\u{07}", with: "", options: .regularExpression)
+            .replacingOccurrences(of: "\\]7;[^\u{07}]*\\\\", with: "", options: .regularExpression)
+        
+        let attr = NSAttributedString(string: cleaned, attributes: [
+            .foregroundColor: NSColor.green,
+            .font: NSFont.monospacedSystemFont(ofSize: 14, weight: .regular)
+        ])
+        textView.textStorage?.append(attr)
+        textView.scrollToEndOfDocument(nil)
+    }
+    
+    func textView(_ textView: NSTextView, shouldChangeTextIn range: NSRange, replacementString: String?) -> Bool {
+        // Don't allow editing before prompt
+        if range.location < promptPosition {
+            return false
+        }
+        
+        // Handle Enter key
+        if replacementString == "\n" {
+            let command = String(textView.string.suffix(from: textView.string.index(textView.string.startIndex, offsetBy: promptPosition)))
+            executeCommand(command)
+            return false
+        }
+        
+        return true
+    }
+    
+    func executeCommand(_ command: String) {
+        appendText("\n")
+        
+        let trimmed = command.trimmingCharacters(in: .whitespacesAndNewlines)
+        
+        if trimmed == "exit" {
+            NSApp.terminate(nil)
+            return
+        }
+        
+        if trimmed == "clear" {
+            textView.string = ""
+            showPrompt()
+            return
+        }
+        
+        if !trimmed.isEmpty {
+            if let data = (trimmed + "\n").data(using: .utf8) {
+                inputPipe?.fileHandleForWriting.write(data)
+            }
+        }
+        
+        DispatchQueue.main.asyncAfter(deadline: .now() + 0.1) { [weak self] in
+            self?.showPrompt()
+        }
+    }
+    
+    deinit {
+        shellTask?.terminate()
+    }
+}
+
+class AppDelegate: NSObject, NSApplicationDelegate {
+    var window: NSWindow!
+    
+    func applicationDidFinishLaunching(_ notification: Notification) {
+        window = NSWindow(
+            contentRect: NSRect(x: 0, y: 0, width: 800, height: 600),
+            styleMask: [.titled, .closable, .miniaturizable, .resizable],
+            backing: .buffered,
+            defer: false
+        )
+        window.center()
+        window.title = "Simple Terminal"
+        
+        let viewController = TerminalViewController()
+        window.contentViewController = viewController
+        
+        window.makeKeyAndOrderFront(nil)
+        NSApp.activate(ignoringOtherApps: true)
+    }
+    
+    func applicationShouldTerminateAfterLastWindowClosed(_ sender: NSApplication) -> Bool {
+        return true
+    }
+}
+
+let app = NSApplication.shared
+let delegate = AppDelegate()
+app.delegate = delegate
+app.run()