import Cocoa
import ApplicationServices

func inspect() {
    guard let frontApp = NSWorkspace.shared.frontmostApplication else {
        print("No front app")
        return
    }
    print("Front App:", frontApp.localizedName ?? "", "PID:", frontApp.processIdentifier)
    
    let trusted = AXIsProcessTrusted()
    print("AXIsProcessTrusted:", trusted)
    
    let appElem = AXUIElementCreateApplication(frontApp.processIdentifier)
    var focusedElemObj: CFTypeRef?
    let err = AXUIElementCopyAttributeValue(appElem, kAXFocusedUIElementAttribute as CFString, &focusedElemObj)
    print("kAXFocusedUIElement error:", err.rawValue)
    
    if err == .success, let elem = focusedElemObj {
        let axElem = elem as! AXUIElement
        var roleObj: CFTypeRef?
        AXUIElementCopyAttributeValue(axElem, kAXRoleAttribute as CFString, &roleObj)
        print("Role:", roleObj ?? "none")
        
        var valObj: CFTypeRef?
        let valErr = AXUIElementCopyAttributeValue(axElem, kAXValueAttribute as CFString, &valObj)
        print("Value err:", valErr.rawValue, "Value:", valObj ?? "nil")
        
        var selectedTextObj: CFTypeRef?
        let selTxtErr = AXUIElementCopyAttributeValue(axElem, kAXSelectedTextAttribute as CFString, &selectedTextObj)
        print("SelectedText err:", selTxtErr.rawValue, "SelectedText:", selectedTextObj ?? "nil")
        
        var rangeObj: CFTypeRef?
        let rangeErr = AXUIElementCopyAttributeValue(axElem, kAXSelectedTextRangeAttribute as CFString, &rangeObj)
        print("Range err:", rangeErr.rawValue)
        if rangeErr == .success, let axRange = rangeObj {
            var range = CFRange()
            if AXValueGetValue(axRange as! AXValue, .cfRange, &range) {
                print("CFRange: loc=\(range.location), len=\(range.length)")
            }
        }
    }
}

inspect()