import AppKit
import Foundation

enum LaunchdManager {
    private static func runLaunchctl(_ args: [String]) {
        let process = Process()
        process.launchPath = "/bin/launchctl"
        process.arguments = args
        try? process.run()
    }

    static func startClawdis() {
        let userTarget = "gui/\(getuid())/\(launchdLabel)"
        self.runLaunchctl(["kickstart", "-k", userTarget])
    }

    static func stopClawdis() {
        let userTarget = "gui/\(getuid())/\(launchdLabel)"
        self.runLaunchctl(["stop", userTarget])
    }
}

@MainActor
enum CLIInstaller {
    static func install(statusHandler: @escaping @Sendable (String) async -> Void) async {
        let helper = Bundle.main.bundleURL.appendingPathComponent("Contents/MacOS/ClawdisCLI")
        guard FileManager.default.isExecutableFile(atPath: helper.path) else {
            await statusHandler("Helper missing in bundle; rebuild via scripts/package-mac-app.sh")
            return
        }

        let targets = ["/usr/local/bin/clawdis-mac", "/opt/homebrew/bin/clawdis-mac"]
        var messages: [String] = []
        for target in targets {
            do {
                try FileManager.default.createDirectory(
                    atPath: (target as NSString).deletingLastPathComponent,
                    withIntermediateDirectories: true)
                try? FileManager.default.removeItem(atPath: target)
                try FileManager.default.createSymbolicLink(atPath: target, withDestinationPath: helper.path)
                messages.append("Linked \(target)")
            } catch {
                messages.append("Failed \(target): \(error.localizedDescription)")
            }
        }
        await statusHandler(messages.joined(separator: "; "))
    }
}