import Foundation
import OSLog

final class ClientLogger {
    let oslog = Logger(subsystem: "another.xmpp", category: "xmpp.client.log")
    var jid: String = "unknown jid (not set yet)"

    func logState(_ old: ClientState, _ new: ClientState) {
        guard old != new else { return }
        let oldStr = "\(old)"
        let newStr = "\(new)"
        let jid = self.jid
        oslog.debug("\(jid):\nPREV STATE \(oldStr)\nNEW STATE \(newStr)")
    }

    func logEvent(_ event: Event) {
        let jid = self.jid
        let eventStr = "\(event)"
        oslog.debug("\(jid): \(eventStr)")
    }

    func update(_ jid: String) {
        self.jid = jid
    }
}