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


public class HighScoreManager : MonoBehaviour
{

    //---------------
    //PUBLIC VARIABLES
    //---------------
    
    //AMOUNT OF SCORES YOU WANT TO SAVE
    public int AmountOfScores = 20;
    
    //NAME OF THE CURRENT PLAYER
    public string PlayerName = "Player";
    
    //SCORE STRUCT THAT CONTAINS THE LEVELTIME AND PLAYERNAME
    public struct Score
    {
        public float levelTime;
        public string playerName;
    }

    //---------------
    //PRIVATE VARIABLES
    //---------------

    //---------------
    //PUBLIC METHODS
    //---------------

    //Get the name of the player
    //no paramaters
    public string GetPlayerName()
    {
        return PlayerName;
    }

    //Set the player name
    //give the name as a paramater
    public void SetPlayerName(string name)
    {
        PlayerName = name;
    }

    //Use this function to add a highscore to the playerprefs
    //Give the levelName, time it took to complete the level and playerName
    public void AddHighScore(string levelName, float levelTime, string playerName)
    {
        //add a score to the counter, initialize the key if there is none
        if (!PlayerPrefs.HasKey(levelName))
        {
            PlayerPrefs.SetInt(levelName, 0);
        }

        //create a Score variable 
        Score inputScores;
        inputScores.levelTime = levelTime;
        inputScores.playerName = playerName;

        //Create and Initialize array to put the highscores in
        List<score> highScoreList = GetHighScores(levelName);

        //loop through array and push the scores inbetween
        bool notAssigned = true;
        if (highScoreList.Count > 0)
        {
            for (int i = 0; i < highScoreList.Count; i++)
            {
                if (highScoreList[i].levelTime > levelTime)
                {
                    highScoreList.Insert(i, inputScores);
                    notAssigned = false;
                    break;
                }
            }
        }
        else
        {
            highScoreList.Insert(0,inputScores);
            notAssigned = false;
        }

        if (notAssigned)
        {
            highScoreList.Insert(highScoreList.Count, inputScores);
            notAssigned = false;
        }

        //Assign the values to the playerprefs, only loop for the amount of scores there should be saved
        for (int i = 0; i < highScoreList.Count; i++)
        {
            string scoreName = ("HighScore_" + levelName + "_" + i).ToString();
            PlayerPrefs.SetString(scoreName + "_Value", highScoreList[i].levelTime.ToString("F1"));
            PlayerPrefs.SetString(scoreName, highScoreList[i].playerName);
        }

        if (PlayerPrefs.HasKey(levelName))
        {
            PlayerPrefs.SetInt(levelName, PlayerPrefs.GetInt(levelName) + 1);
        }
    }

    //Display the scores in a textbox
    //Give the levelname and the place to put the text
    public void DisplayHighScores(string levelName, UnityEngine.UI.Text textBox)
    {
        textBox.text = "";
        var scores = GameManager.SingleTon().GetHighScoreManager().GetHighScores(levelName);
        foreach (Score score in scores)
        {
            textBox.text += score.playerName + " : " + score.levelTime + "\n";
        }
    }

    //---------------
    //PRIVATE METHODS
    //---------------

    //Get a list with the highscores
    //give the name as a parameter
    private List<score> GetHighScores(string levelName)
    {
        List<score> highScoreList = new List<score>();

        //initialize array
        for (int i = 0; i < PlayerPrefs.GetInt(levelName); i++)
        {
            string scoreName = ("HighScore_" + levelName + "_" + i).ToString();

            Score tempScore;
            bool tryParse = true;
            //Try to parse the value to a float
            tryParse = float.TryParse(PlayerPrefs.GetString(scoreName + "_Value"), out tempScore.levelTime);
            //if parsing doesn't work, put the value on 0
            if (!tryParse)
            {
                tempScore.levelTime = 0.0f;
            }
            tempScore.playerName = PlayerPrefs.GetString(scoreName);

            highScoreList.Add(tempScore);
        }

        return highScoreList;
    }
}