using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Mirror;
using TMPro;
using UnityEngine.SceneManagement;
public class NetGameManager : NetworkBehaviour
{
    public const int WAITING_TIME = 120;
    public static NetGameManager instance;
    public TMP_Text statusText;
    public TMP_Text scoreText_me;
    public TMP_Text scoreText_enemy;
    public GameOverScreen gameOverScreen;
    public bool gameStarted = false;
    float waitingTimer = WAITING_TIME;
    public PlayerType winner = PlayerType.Client;
    public bool gameOver = false;

    [Header("MP")]
    public GameObject fruitPrefab;
    public List<GameObject> spawnedFruits = new List<GameObject>();
    public int maxFruits = 10;
    public float fruitSpawnInterval = 5f;
    
    void Awake()
    {
        instance = this;
    }

    void Start()
    {
        Application.targetFrameRate = 60;        
    }

    public void UpdateScore(bool isLocalPlayer, int score){
        if(isLocalPlayer){
            scoreText_me.text = score.ToString();
        }else{
            scoreText_enemy.text = score.ToString();
        }
    }
    public bool playerSpawned = false;

    // Update is called once per frame
    void Update()
    {
        if(!isServer) return;

        SnakeController[] players = FindObjectsOfType<SnakeController>();

        if(!gameStarted){
            if(players.Length >1){
                gameStarted = true;
                RpcSetGameStarted(true);
                StartCoroutine(StartGame());
            }else{
                if(players.Length == 1){
                    if(waitingTimer >0){
                        waitingTimer -= Time.deltaTime;
                        SetStatusText("Waiting for another player...\nRemaining time: " + waitingTimer.ToString("F0") + " seconds");
                    }else{
                        SetStatusText("Opponent abandoned the game");
                        GameOver(players[0].playerType);
                    }
                }
            }
        }else{
            if(players.Length == 1){
                if(playerSpawned){
                    SetStatusText("Opponent left the game");
                    GameOver(players[0].playerType);
                }else{
                    gameStarted = false;
                    SetStatusText("Waiting for another player...");
                }
            }

            ManageAndPopulateFruits();
        }
    }


    [ClientRpc]
    void RpcSetGameStarted(bool started){
        gameStarted = started;
    }

    void ManageAndPopulateFruits(){
        if(spawnedFruits.Count < maxFruits){
            SpawnFruit();
        }
    }

    void SpawnFruit(){
        GameObject fruit = Instantiate(fruitPrefab, GetRandomPoint(), Quaternion.identity);
        NetworkServer.Spawn(fruit);
        spawnedFruits.Add(fruit);
    }
    public void DestroyFruit(Vector2 position){
        int index = -1;
        for(int i=0; i < spawnedFruits.Count; i++){
            if(spawnedFruits[i].transform.position == (Vector3)position){
                index = i;
                break;
            }
        }
        if(index != -1){
            NetworkServer.Destroy(spawnedFruits[index]);
            spawnedFruits.RemoveAt(index);
        }
    }

    Vector2 GetRandomPoint(){
        SnakeController p = FindObjectOfType<SnakeController>();

        float x = p.transform.position.x - (int)(UnityEngine.Random.Range(-p.fieldSize.x/2f, p.fieldSize.x/2f));
        float y = p.transform.position.y - (int)(UnityEngine.Random.Range(-p.fieldSize.y/2f, p.fieldSize.y/2f));
        
        return new Vector2(x, y);
    }

    public IEnumerator StartGame(){
       int counter = 10;
        SnakeController[] players = FindObjectsOfType<SnakeController>();

        while(counter > 0){
            players = FindObjectsOfType<SnakeController>();
            if(players.Length <= 1){
                yield break;
            }
            SetStatusText("Game starts in " + counter);
            yield return new WaitForSeconds(1f);
            counter--;
        }
        SetStatusText("Game Started");
        foreach (SnakeController player in players)
        {
            player.StartGame();
        }
        playerSpawned = true;
        yield return new WaitForSeconds(1f);
        SetStatusText("");
    }

        void SetStatusText(string text){
        if(!isServer){return;}
        statusText.text = text;
        RpcSetStatusText(text);
    }
    [ClientRpc]
    void RpcSetStatusText(string text){
        statusText.text = text;
    }
    public void GameOver(SnakeController player){
        winner = player.playerType;
        GameOver(winner);
    }

    public void GameOver(PlayerType winner){
        if(gameOver){return;}

        SetStatusText($"Player {(winner == PlayerType.Master ? "1" : "2")} wins!");
        Debug.Log("Game Over " + winner);

        gameOver = true;
        string winnerKey = winner == PlayerType.Master ? "master" : "client";
        StartCoroutine(CoroutineGameOver(winnerKey));
        RpcGameOver(winnerKey);
    }

    [ClientRpc]
    void RpcGameOver(string winnerKey){
        bool won = (winnerKey == "master" && GameData.isMaster) || (winnerKey == "client" && !GameData.isMaster);
        gameOverScreen.Show(won);
        
        Debug.Log("Game Over " + winnerKey);
    }

   
   IEnumerator CoroutineGameOver(string winnerKey){
        string winnerPubkey = winnerKey == "master" ? GameData.betData.owner : GameData.betData.joiner;
        string winnerId = winnerKey == "master" ? GameData.betData.owner_id : GameData.betData.joiner_id;
        int masterScore=0, clientScore =0;
      
        Dictionary<string, string> data = new Dictionary<string, string>(){
            {"gameAddress", GameData.address},
            {"winnerPublicKey", winnerPubkey},
            {"winnerUsername", winnerId},
            {"wager", (GameData.betData.wager * 1e8).ToString()},
            {"game_id", GameData.betData.id.ToString()},
            {"loserUsername", winnerKey == "master" ? GameData.betData.joiner_id : GameData.betData.owner_id},
            {"masterScore", masterScore.ToString()},
            {"clientScore", clientScore.ToString()},
            {"masterId", GameData.betData.owner_id},
            {"clientId", GameData.betData.joiner_id}
        };

        string queryString = "?";
        foreach(KeyValuePair<string, string> entry in data) {
            queryString += entry.Key + "=" + WWW.EscapeURL(entry.Value) + "&";
        }
        queryString = queryString.TrimEnd('&');

        string validator_url = GameData.isDev ? Constants.VALIDATOR_URL_DEV : Constants.VALIDATOR_URL_PROD;
        string url = validator_url + "finalize" + queryString;
        Debug.Log("Finalizing game on " + url);
        WWW www = new WWW(url);
        yield return www;

        if(www.error == null){
            RpcProcessed();
        }

        Debug.Log("Processed game, quitting in 10 seconds...");
        yield return new WaitForSeconds(10f);
        Application.Quit();
    }

    [ClientRpc]
    void RpcProcessed(){
        gameOverScreen.Processed();
    }


}