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

public class Leaderboard : MonoBehaviour
{
    GameManager gm;

    [SerializeField] Transform headerRow;
    [SerializeField] List<Transform> Rows;
    [SerializeField] Transform rankedRow;

    [SerializeField] Transform rankedPanel;
    [SerializeField] GameObject instruction;

    [SerializeField] Vector2 specialPanelLocal, rankedPanelLocal, rankedPanelLocalOnly;

    [SerializeField] GameObject tgQr, whatsQr;

    [Header("Маркировка бот/игрок")]
    [SerializeField] List<Color> playerColors;
    [SerializeField] List<Color> botColors;

    List<PlayerStatsRecord> topRecords;

    [SerializeField] GameObject RowPrefab;
    [SerializeField] GameObject RowPrefabRanked;
    [SerializeField] int MaxRows = 100;
    [SerializeField] Transform RowsRoot;
    [SerializeField] Vector2 RowOffset = new Vector2(0, -90);
    [SerializeField] Vector2 startAnchoredPosition = new Vector2(0, 45);

    public float accelerationY = 5;
    public float speedY = 0;
    public float maxSpeedY = 300;

    Coroutine slideCoroutine;

    private string dateFormat = "dd.MM.yy HH:mm";


    private void OnDisable()
    {
        foreach (var row in Rows)
        {
            Destroy(row.gameObject);
        }
        Rows.Clear();

        if (slideCoroutine != null)
            StopCoroutine(slideCoroutine);
    }

    public void Initialize()
    {
        
        gm = GameManager.instance;

        

        rankedPanel.localPosition = rankedPanelLocalOnly;
        instruction.SetActive(true);
        

        int totalRecords = gm.StatsService.GetTotalRecordsCount();
        int total = Mathf.Min(MaxRows, totalRecords);

        topRecords = gm.StatsService.GetTopPlayers(total);


        //тут надо спавить Ряды
        SpawnRows(total);


        ClearRowsText();
        for (int i = 0; i < total; i++)
        {
            FillRow(i, topRecords[i]);
        }

        FillRow(rankedRow, gm.StatsService.GetLatestRecord());
        rankedRow.gameObject.SetActive(true);

        
        slideCoroutine = StartCoroutine(SlideCoroutine());
        speedY = 0;


    }
    IEnumerator SlideCoroutine()
    {//надо еще максимальный слайд рассчитать
        float minY = startAnchoredPosition.y;
        float maxY = startAnchoredPosition.y - RowOffset.y *Rows.Count + (RowOffset.y*3);

        float calculatedOffsetY = minY;

        List<RectTransform> cachedRects = new List<RectTransform>();
        foreach (Transform row in Rows) 
        {
            cachedRects.Add(row.GetComponent<RectTransform>());
        }
        while (true)
        {
            speedY += accelerationY * Time.deltaTime;
            speedY = Mathf.Clamp(speedY, -maxSpeedY, maxSpeedY);

            calculatedOffsetY += speedY*Time.deltaTime;
            calculatedOffsetY = Mathf.Clamp(calculatedOffsetY, minY, maxY);


            //применить циклом смещение ко всем рядам
            for (int i = 0; i < Rows.Count; i++)
            {
                cachedRects[i].anchoredPosition = startAnchoredPosition + RowOffset * i + Vector2.up * calculatedOffsetY;
            }

            yield return null;
        }


    }
    void SpawnRows(int amount)
    {
        Rows = new List<Transform>();
        int latestRecordIndex = gm.StatsService.GetRecordRank(gm.StatsService.GetLatestRecord()) - 1;

        for (int i = 0; i < amount; i++)
        {
            GameObject prefab = i == latestRecordIndex ? RowPrefabRanked : RowPrefab;
            GameObject go = Instantiate(prefab, RowsRoot);
            RectTransform rect = go.GetComponent<RectTransform>();
            rect.anchoredPosition = startAnchoredPosition + RowOffset * i;

            Rows.Add(rect);
        }
    }


    public void ClearRowsText()
    {
        for (int i = 0; i < Rows.Count; i++)
        {
            for (int j = 0; j < 5; j++)
            {
                Rows[i].GetChild(j).GetComponentInChildren<TextMeshProUGUI>().text = "—";
            }
        }
        for (int j = 0; j < 5; j++)
        {
            rankedRow.GetChild(j).GetComponentInChildren<TextMeshProUGUI>().text = "—";
        }
    }
    private void FillRow(int rowIndex, PlayerStatsRecord record)
    {
        Transform row = Rows[rowIndex];

        row.GetChild(0).GetComponentInChildren<TextMeshProUGUI>().text = (rowIndex + 1).ToString();
        row.GetChild(1).GetComponentInChildren<TextMeshProUGUI>().text = GetMarkedName(record.PlayerName, record.IsBot);
        row.GetChild(2).GetComponentInChildren<TextMeshProUGUI>().text = secondsToMinutes((int)record.CompletionTimeSec);
        row.GetChild(3).GetComponentInChildren<TextMeshProUGUI>().text = record.MovesCount.ToString();
        row.GetChild(4).GetComponentInChildren<TextMeshProUGUI>().text = record.CompletedAt.ToString(dateFormat);
    }

    private void FillRow(Transform row, PlayerStatsRecord record)
    {
        int rank = gm.StatsService.GetRecordRank(record);

        row.GetChild(0).GetComponentInChildren<TextMeshProUGUI>().text = rank.ToString();
        row.GetChild(1).GetComponentInChildren<TextMeshProUGUI>().text = GetMarkedName(record.PlayerName, record.IsBot);
        row.GetChild(2).GetComponentInChildren<TextMeshProUGUI>().text = secondsToMinutes((int)record.CompletionTimeSec);
        row.GetChild(3).GetComponentInChildren<TextMeshProUGUI>().text = record.MovesCount.ToString();
        row.GetChild(4).GetComponentInChildren<TextMeshProUGUI>().text = record.CompletedAt.ToString(dateFormat);
    }

    public void DisplayCurrentPlayer(PlayerStatsRecord record)
    {
        rankedRow.gameObject.SetActive(true);
        FillRow(rankedRow, record);
    }

    string secondsToMinutes(int seconds)
    {
        int minutes = seconds / 60;
        int remainingSeconds = seconds % 60;
        return $"{minutes:D2}:{remainingSeconds:D2}";
    }


    //маркируем цветами ботовские рекорды и рекорды игрока.
    string GetMarkedName(string name, bool isBot)
    {
        List<Color> colors = isBot ? botColors : playerColors;
        if (colors == null || colors.Count == 0) return name;

        int rand = Random.Range(0, colors.Count);
        string hex = ColorUtility.ToHtmlStringRGB(colors[rand]);

        return $"{name}<color=#{hex}>*</color>";
    }

}