using System;
using System.Collections.Generic;
using System.Linq;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
/// <summary>
/// Abstract class for all minigame-gameEndedPanels
/// </summary>
public abstract class AbstractGameEndedPanel : MonoBehaviour
{
    /// <summary>
    /// The index of minigame that needs a GameEndedPanel
    /// </summary>
    protected abstract MinigameIndex minigameIndex
    {
        get;
    }
    
    /// <summary>
    /// Reference to the scoreboard entries container
    /// </summary>
    public Transform scoreboardEntriesContainer;

    /// <summary>
    /// The GameObjects representing the letters
    /// </summary>
    private List<GameObject> scoreboardEntries = new List<GameObject>();

    /// <summary>
    /// Reference to the ScoreboardEntry prefab
    /// </summary>
    public GameObject scoreboardEntry;

    /// <summary>
    /// Sets the scoreboard
    /// </summary>
    protected void SetScoreBoard()
    {
        // Clean the previous scoreboard entries
        for (int i = 0; i < scoreboardEntries.Count; i++)
        {
            Destroy(scoreboardEntries[i]);
        }
        scoreboardEntries.Clear();

        // Instantiate new entries
        // Get all scores from all users
        List<Tuple<string, Score>> allScores = new List<Tuple<string, Score>>();
        foreach (User user in UserList.GetUsers())
        {
            // Get user's progress for this minigame
            var progress = user.GetMinigameProgress(minigameIndex);
            if (progress != null)
            {
                // Add scores to dictionary
                List<Score> scores = progress.highestScores;
                foreach (Score score in scores)
                {
                    allScores.Add(new Tuple<string, Score>(user.GetUsername(), score));
                }
            }
        }

        // Sort allScores based on Score.scoreValue
        allScores.Sort((a, b) => b.Item2.scoreValue.CompareTo(a.Item2.scoreValue));

        // Instantiate scoreboard entries
        int rank = 1;
        foreach (Tuple<string, Score> tup in allScores.Take(10))
        {
            string username = tup.Item1;
            Score score = tup.Item2;

            GameObject entry = Instantiate(scoreboardEntry, scoreboardEntriesContainer);
            scoreboardEntries.Add(entry);

            // Set the player icon
            entry.transform.Find("Image").GetComponent<Image>().sprite = UserList.GetUserByUsername(username).GetAvatar();

            // Set the player name
            entry.transform.Find("PlayerName").GetComponent<TMP_Text>().text = username;

            // Set the score
            entry.transform.Find("Score").GetComponent<TMP_Text>().text = score.scoreValue.ToString();

            // Set the rank
            entry.transform.Find("Rank").GetComponent<TMP_Text>().text = rank.ToString();

            // Set the ago
            // Convert the score.time to Datetime
            DateTime time = DateTime.Parse(score.time);
            DateTime currentTime = DateTime.Now;
            TimeSpan diff = currentTime.Subtract(time);

            string formatted;
            if (diff.Days > 0)
            {
                formatted = $"{diff.Days}d ";
            }
            else if (diff.Hours > 0)
            {
                formatted = $"{diff.Hours}u ";
            }
            else if (diff.Minutes > 0)
            {
                formatted = $"{diff.Minutes}m ";
            }
            else
            {
                formatted = "nu";
            }

            entry.transform.Find("Ago").GetComponent<TMP_Text>().text = formatted;


            // Alternating colors looks nice
            if (rank % 2 == 0)
            {
                Image image = entry.transform.GetComponent<Image>();
                image.color = new Color(image.color.r, image.color.g, image.color.b, 0f);
            }

            // Make new score stand out
            if (diff.TotalSeconds < 1)
            {
                Image image = entry.transform.GetComponent<Image>();
                image.color = new Color(247 / 255f, 173 / 255f, 25 / 255f, 1f);
                entry.transform.Find("PlayerName").GetComponent<TMP_Text>().color = new Color(5 / 255f, 63 / 255f, 92 / 255f, 1f);
                entry.transform.Find("Score").GetComponent<TMP_Text>().color = new Color(5 / 255f, 63 / 255f, 92 / 255f, 1f);
                entry.transform.Find("Ago").GetComponent<TMP_Text>().color = new Color(5 / 255f, 63 / 255f, 92 / 255f, 1f);
            }

            rank++;
        }
    }
}