import AppKit
import CoreGraphics

/// Represents a single on-screen window with its metadata and thumbnail.
struct WindowInfo: Identifiable, Equatable {
    let windowID: CGWindowID
    let title: String
    let appName: String
    let appBundleID: String
    let appIcon: NSImage?
    let frame: CGRect
    let pid: pid_t
    let isOnScreen: Bool
    var thumbnail: CGImage?

    var id: CGWindowID { windowID }

    /// Fingerprint component for layout stability.
    var fingerprintKey: String {
        "\(appBundleID)|\(title)"
    }

    static func == (lhs: WindowInfo, rhs: WindowInfo) -> Bool {
        lhs.windowID == rhs.windowID && lhs.thumbnail === rhs.thumbnail
    }
}