import Foundation

// Thin wrapper to call etc/init-port-fowards.sh for status/restart.
enum PFScriptBridge {
    private static var scriptURL: URL {
        // Resolve script path:
        // 1) PROLE_HOME env var if set
        // 2) default to ~/dev/prole (matches existing scripts)
        let env = ProcessInfo.processInfo.environment
        let fm = FileManager.default
        if let home = env["PROLE_HOME"], !home.isEmpty {
            return URL(fileURLWithPath: home).appendingPathComponent("etc/init-port-fowards.sh")
        }
        let defaultHome = fm.homeDirectoryForCurrentUser.appendingPathComponent("dev/prole")
        return defaultHome.appendingPathComponent("etc/init-port-fowards.sh")
    }

    @discardableResult
    static func restart() -> (code: Int32, out: String, err: String) {
        return runScript(arg: "restart")
    }

    static func status() -> (code: Int32, out: String, err: String) {
        return runScript(arg: "status")
    }

    private static func runScript(arg: String) -> (code: Int32, out: String, err: String) {
        let p = Process()
        p.executableURL = scriptURL
        p.arguments = [arg]
        let outPipe = Pipe(); let errPipe = Pipe()
        p.standardOutput = outPipe
        p.standardError = errPipe
        do { try p.run() } catch {
            return (-1, "", String(describing: error))
        }
        p.waitUntilExit()
        let out = String(data: outPipe.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8) ?? ""
        let err = String(data: errPipe.fileHandleForReading.readDataToEndOfFile(), encoding: .utf8) ?? ""
        return (p.terminationStatus, out, err)
    }
}