import Foundation
import WatchConnectivity

class PadelScoreManager: NSObject, ObservableObject, WCSessionDelegate {
    @Published var player1Score = 0
    @Published var player2Score = 0
    @Published var player1Games = 0
    @Published var player2Games = 0
    @Published var player1Sets = 0
    @Published var player2Sets = 0
    @Published var isPlayer1Serving = true
    
    override init() {
        super.init()
        if WCSession.isSupported() {
            let session = WCSession.default
            session.delegate = self
            session.activate()
        }
    }
    
    func addPoint(to playerScore: inout Int, opponentScore: inout Int, playerGames: inout Int, opponentGames: inout Int) {
        if playerScore < 40 {
            playerScore += 15
        } else if playerScore == 40 {
            playerGames += 1
            resetGameScores()
        }
        sendScoreUpdate()
    }
    
    func resetGameScores() {
        player1Score = 0
        player2Score = 0
    }
    
    func resetScores() {
        resetGameScores()
        player1Games = 0
        player2Games = 0
        player1Sets = 0
        player2Sets = 0
        sendScoreUpdate()
    }
    
    private func sendScoreUpdate() {
        let message: [String: Any] = [
            "player1Score": player1Score,
            "player2Score": player2Score,
            "player1Games": player1Games,
            "player2Games": player2Games,
            "player1Sets": player1Sets,
            "player2Sets": player2Sets,
            "isPlayer1Serving": isPlayer1Serving
        ]
        WCSession.default.sendMessage(message, replyHandler: nil, errorHandler: nil)
    }
    
    // WCSessionDelegate methods
    func session(_ session: WCSession, activationDidCompleteWith activationState: WCSessionActivationState, error: Error?) {}
    
#if os(iOS)

    func sessionDidBecomeInactive(_ session: WCSession) {}
    
    func sessionDidDeactivate(_ session: WCSession) {
        session.activate()
    }
#endif
    
    func session(_ session: WCSession, didReceiveMessage message: [String : Any]) {
        if let player1Score = message["player1Score"] as? Int,
           let player2Score = message["player2Score"] as? Int,
           let player1Games = message["player1Games"] as? Int,
           let player2Games = message["player2Games"] as? Int,
           let player1Sets = message["player1Sets"] as? Int,
           let player2Sets = message["player2Sets"] as? Int,
           let isPlayer1Serving = message["isPlayer1Serving"] as? Bool {
            DispatchQueue.main.async {
                self.player1Score = player1Score
                self.player2Score = player2Score
                self.player1Games = player1Games
                self.player2Games = player2Games
                self.player1Sets = player1Sets
                self.player2Sets = player2Sets
                self.isPlayer1Serving = isPlayer1Serving
            }
        }
    }
}