using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class Leaderboard : MonoBehaviour
{
    public Text[] leaderboardItems;
    public float updateInterval = 0.5f;
    public bool isRanked;
    float t;
    void Start()
    {
        RefreshLeaderboard();
    }

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

        // if(AutoConnect.instance != null &&!AutoConnect.instance.isClient){return;}
        if (t < updateInterval)
        {
            t += Time.deltaTime;
        }
        else
        {
            RefreshLeaderboard();
            t = 0;
        }
    }

    public void RefreshLeaderboard()
    {
        // Debug.Log("Refrsh leaderboard");
        SpaceshipController[] players = FindObjectsOfType<SpaceshipController>();
        SpaceshipNetworkBot[] bots = FindObjectsOfType<SpaceshipNetworkBot>();
        List<LeaderboardEntry> leaderboard = new List<LeaderboardEntry>();
        foreach(SpaceshipController player in players){
            leaderboard.Add(new LeaderboardEntry(player.pname,(isRanked) ? player.moonsCollected : player.Scores));
        }
        if(!isRanked){
            foreach(SpaceshipNetworkBot bot in bots){
                leaderboard.Add(new LeaderboardEntry(bot.pname, bot.Scores));
            }
        }
        //Simple bubble sort to sort players by score
        LeaderboardEntry temp;
        for (int j = 0; j <= leaderboard.Count - 2; j++)
        {
            for (int i = 0; i <= leaderboard.Count - 2; i++)
            {
                if ( leaderboard[i].Score  > leaderboard[i+1].Score)
                {
                    temp = leaderboard[i + 1];
                    leaderboard[i + 1] = leaderboard[i];
                    leaderboard[i] = temp;
                }
            }
        }
        
        //Populate leaderboard
        for(int i =0; i < leaderboardItems.Length; i++){
            if(i < leaderboard.Count){
                LeaderboardEntry thisEntry = leaderboard[leaderboard.Count-i-1];
                leaderboardItems[i].gameObject.SetActive(true);
                leaderboardItems[i].text = (i+1) + ". " +thisEntry.Name;
                if(!isRanked){
                    leaderboardItems[i].transform.GetChild(0).GetComponent<Text>().text = thisEntry.Score.ToString();
                }else{
                    leaderboardItems[i].transform.GetChild(0).GetComponent<Text>().text = (((float)Mathf.Clamp(thisEntry.Score,0,30)/ 30f)*100f).ToString("n1") + " %";
                }
            }else{
                leaderboardItems[i].gameObject.SetActive(false);
            }
        }
    }
}

public class LeaderboardEntry{
    public int Score;
    public string Name;
    
    public LeaderboardEntry(string _name, int _score){
        Name = _name;
        Score= _score;
    }
}