using System.Collections;
using System.Collections.Generic;
using UnityEngine;

using UnityEngine.UI;

using UnityEngine.Networking;
using System.Linq;

public class ObjectDropper : MonoBehaviour
{
    public GameObject errorPanel;
    public int objectId;  //used for qr code version, same object with different qrcode has different ids
    public string thisObjectPoints; //the point of this object

    public string thisObjectName; // name of the objects

    private bool isInplay;  //play status
    private string objectOwner; //owner of the current object
    private string thisPlayer;  //identifier of the current player

    public GameObject playerNumberObject; //indicate current player id
    public GameObject serverManager;

    //public Button deleteButton;

    //public List<GameObject> colors;  //different colors indicate the ownership of different players

    public bool isMaster;

    // Start is called before the first frame update
    void Start()
    {
        isInplay = false;
        this.thisPlayer = "0";
    }

    // Update is called once per frame
    void Update()
    {
        
        
    }

    public void objectWasScanned()
    {
        if(isInplay)
            return;

        if(isMaster) 
        {
            isInplay = true;
                // GET OBJECT OWNER FROM SERVER
            string currentGameNum = serverManager.GetComponent<CurrentGameConnect>().GetGameNumber();
            StartCoroutine(GetObjectOwner(currentGameNum));
        }

        this.thisPlayer = playerNumberObject.GetComponent<CurrentPlayerPicker>().GetPlayerNumber();
        if(thisPlayer == "0")
            return;

        string currentGame = serverManager.GetComponent<CurrentGameConnect>().GetGameNumber();
        if(currentGame == "0")
            return;

        StartCoroutine(IsObjectInPlay(thisPlayer, currentGame));

    }

    //determine if the object is already in play for an existing game id
    public IEnumerator IsObjectInPlay(string player, string gameNumber)  
    {
        string serverUrl = "https://smarthubs.media.tuwien.ac.at/api/object_in_play/" + gameNumber.ToString()+ "/" + this.objectId;  //+ this.objectId
        UnityWebRequest www = UnityWebRequest.Get(serverUrl);

        yield return www.SendWebRequest();

        if (www.result != UnityWebRequest.Result.Success)
        {
            Debug.Log(www.error);
        }
        else
        {
            if(www.downloadHandler.text == "False")
            {
                this.objectOwner = this.thisPlayer;
                this.isInplay = true;

                // CHANGE THE OBJECT COLOR
                //foreach(GameObject go in colors) 
                //{
                    //if(go.name.Contains(thisPlayer))
                        //go.SetActive(true);
                //}

                // NOTIFY THE SERVER ABOUT THE NEW OWNER
                // NOPTIFY THE SERVER ABOUT THE POINTS
                StartCoroutine(SetObjectInPlay(thisPlayer, gameNumber));

            }
            else
            {
                isInplay = true;
                // GET OBJECT OWNER FROM SERVER

                StartCoroutine(GetObjectOwner(gameNumber));
                
            }
        }
    }

    public IEnumerator SetObjectInPlay(string player, string gameNumber)  //transfer data to server
    {
        string serverUrl = "https://smarthubs.media.tuwien.ac.at/api/add_object";

        WWWForm form = new WWWForm();
        
        form.AddField("game", gameNumber);
        form.AddField("player", player);
        form.AddField("points", this.thisObjectPoints);
        form.AddField("oid", this.objectId);
        form.AddField("name", this.thisObjectName);

        using (UnityWebRequest www = UnityWebRequest.Post(serverUrl, form))
        {
            yield return www.SendWebRequest();

            if (www.result != UnityWebRequest.Result.Success)
            {
                //Debug.Log(www.error);
                // PROMPT ERROR
                //errorPanel.SetActive(true);
            }
            else
            {
                //Debug.Log("Form upload complete!");
                
            }
        }
    }


    //function to remove the spawaned objects
    public void DeleteObject()
    {
        Debug.Log("server call");
        if (!isInplay)
        return;

        Debug.Log("server ");
        string currentGame = serverManager.GetComponent<CurrentGameConnect>().GetGameNumber();
        StartCoroutine(DeleteObjectFromServer(currentGame, objectId)); // Make server call to delete points
    }

    private IEnumerator DeleteObjectFromServer(string gameNumber, int objectId)
    {

        Debug.Log("server message:");
        string serverUrl = "https://smarthubs.media.tuwien.ac.at/api/delete_object"; 

        WWWForm form = new WWWForm();
        form.AddField("game", gameNumber);
        form.AddField("oid", objectId.ToString());

        using (UnityWebRequest www = UnityWebRequest.Post(serverUrl, form))
        {
            yield return www.SendWebRequest();
            //Debug.Log("server message:" +www.result);
            if (www.result != UnityWebRequest.Result.Success)
            {
                Debug.Log(www.error);
                if (errorPanel != null)
                errorPanel.SetActive(true);
            }
            else
            {
                Debug.Log("Object and points successfully removed from the server.");
                Destroy(this.gameObject); // Destroy the GameObject after successful server response
            }
        }
    }

    


    //Retrieves the current owner of the object from the server and updates the object's color based on the owner.
    public IEnumerator GetObjectOwner(string gameNumber)
    {
        // CHANGE THE OBJECT COLOR
        string serverUrl = "https://smarthubs.media.tuwien.ac.at/api/get_object_owner/" + gameNumber.ToString()+ "/" + this.objectId;  // + this.objectId
        UnityWebRequest www = UnityWebRequest.Get(serverUrl);

        yield return www.SendWebRequest();

        if (www.result != UnityWebRequest.Result.Success)
        {
            Debug.Log(www.error);
            //errorPanel.SetActive(true);
        }
        else
        {
            string object_owner = www.downloadHandler.text;

            //foreach(GameObject go in colors) 
            //{
                //if(go.name.Contains(object_owner))
                   // go.SetActive(true);
            //}
        }
    }


    public void setThisPlayer(string thisPlayer)
    {
        this.thisPlayer = thisPlayer;
    }
}