using Newtonsoft.Json.Linq;
using TMPro;
using UnityEngine;
using UnityEngine.InputSystem;
using UnityEngine.Networking;
using UnityEngine.SceneManagement;
using UnityEngine.UI;

public class LeaderboardsMenu : MonoBehaviour
{
    [SerializeField] private TMP_Text statusText;
    [SerializeField] private Button backButton;
    [SerializeField] private Button refreshButton;
    [SerializeField] private ProfileMenu profilePrefab;

    [SerializeField] private GameObject selectionPanel;
    [SerializeField] private Button selectionScoreButton;
    [SerializeField] private Button selectionBerryButton;
    [SerializeField] private Button selectionCoinButton;
    [SerializeField] private Button selectionLegacyButton;
    [SerializeField] private Button selectionTotalBerriesButton;

    [SerializeField] private GameObject scoresPanel;
    [SerializeField] private GameObject content;
    [SerializeField] private GameObject sampleObject;
    [SerializeField] private TMP_Dropdown berryShowTypeDropdown;

    private LeaderboardMode mode = LeaderboardMode.None;
    private bool changedByCode = false;

    void Awake()
    {
        selectionScoreButton.onClick.AddListener(() => { mode = LeaderboardMode.Score; SwitchMenu(1); });
        selectionBerryButton.onClick.AddListener(() => { mode = LeaderboardMode.Berry; SwitchMenu(1); });
        selectionCoinButton.onClick.AddListener(() => { mode = LeaderboardMode.Coin; SwitchMenu(1); });
        selectionLegacyButton.onClick.AddListener(() => { mode = LeaderboardMode.Legacy; SwitchMenu(1); });
        selectionTotalBerriesButton.onClick.AddListener(() => { mode = LeaderboardMode.TotalBerries; SwitchMenu(1); });
        berryShowTypeDropdown.onValueChanged.AddListener(_ => GetTopPlayers());

        backButton.onClick.AddListener(async () =>
        {
            if (selectionPanel.activeSelf) await SceneManager.LoadSceneAsync("MainMenu");
            else if (scoresPanel.activeSelf) SwitchMenu(0);
        });
        refreshButton.onClick.AddListener(GetTopPlayers);
    }

    void SwitchMenu(int menu)
    {
        UpdateStatus(false, "");
        if (!selectionPanel.activeSelf)
        {
            foreach (Transform item in content.transform)
            {
                if (item.gameObject.activeSelf)
                {
                    Destroy(item.gameObject);
                }
            }
        }

        if (menu == 0)
        {
            mode = LeaderboardMode.None;
            refreshButton.gameObject.SetActive(false);
            selectionPanel.SetActive(true);
            scoresPanel.SetActive(false);
        }
        else if (menu == 1)
        {
            refreshButton.transform.localPosition = mode == LeaderboardMode.Berry ? new Vector2(402.5f, 282.33f) : new Vector2(-402.5f, -282.33f);
            refreshButton.gameObject.SetActive(true);
            berryShowTypeDropdown.gameObject.SetActive(mode == LeaderboardMode.Berry);
            changedByCode = true;
            berryShowTypeDropdown.value = 0;
            changedByCode = false;
            selectionPanel.SetActive(false);
            scoresPanel.SetActive(true);
            GetTopPlayers();
        }
    }

    async void GetTopPlayers()
    {
        if (changedByCode) return;
        backButton.interactable = false;
        refreshButton.interactable = false;
        foreach (Transform item in content.transform)
        {
            if (item.gameObject.activeSelf)
            {
                Destroy(item.gameObject);
            }
        }
        UpdateStatus(true, "Loading...");
        using UnityWebRequest request = UnityWebRequest.Get(mode == LeaderboardMode.Score
            ? Endpoints.LEADERBOARDS_SCORE_ENDPOINT
            : mode == LeaderboardMode.Berry
            ? Endpoints.LEADERBOARDS_BERRY_ENDPOINT + "?berry=" + berryShowTypeDropdown.value
            : mode == LeaderboardMode.Coin
            ? Endpoints.LEADERBOARDS_COIN_ENDPOINT
            : mode == LeaderboardMode.Legacy
            ? Endpoints.LEADERBOARDS_LEGACY_ENDPOINT
            : Endpoints.LEADERBOARDS_TOTAL_ENDPOINT);
        request.SetRequestHeader("Requester", "BerryDashClient");
        request.SetRequestHeader("ClientVersion", Application.version);
        request.SetRequestHeader("ClientPlatform", Application.platform.ToString());
        await request.SendWebRequest();
        if (request.downloadHandler.text == null)
        {
            UpdateStatus(true, "Failed to fetch leaderboard stats");
            return;
        }
        UpdateStatus(false);
        var jsonResponse = JObject.Parse(request.downloadHandler.text);
        if ((bool)jsonResponse["success"])
        {
            var entries = jsonResponse["data"].ToObject<LeaderboardEntry[]>();
            for (int i = 0; i < entries.Length; i++)
            {
                var entry = entries[i];
                var entryInfo = Instantiate(sampleObject, content.transform);
                var usernameText = entryInfo.transform.GetChild(0).GetComponent<TMP_Text>();
                var playerIcon = usernameText.transform.GetChild(0).GetComponent<Image>();
                var playerIconButton = usernameText.transform.GetChild(0).GetComponent<Button>();
                var playerOverlay = playerIcon.transform.GetChild(0).GetComponent<Image>();
                var scoreText = entryInfo.transform.GetChild(1).GetComponent<TMP_Text>();

                usernameText.text = $"{entry.Username} (#{i + 1})";
                scoreText.text = (mode == LeaderboardMode.Berry || mode == LeaderboardMode.TotalBerries ? "Berries: " : mode == LeaderboardMode.Coin ? "Coins: " : "Score: ") + Tools.FormatWithCommas(entry.Value);

                if (BazookaManager.Instance.GetAccountID() == entry.UserID)
                {
                    usernameText.text = $"<color=#7FFFD4>{usernameText.text}</color>";
                    scoreText.text = $"<color=#7FFFD4>{scoreText.text}</color>";
                }

                if (entry.CustomIcon == null)
                {
                    playerIcon.sprite = Resources.Load<Sprite>("Icons/Icons/bird_" + entry.Icon);
                    if (entry.Icon == 1) playerIcon.sprite = Tools.GetIconForUser(entry.UserID);
                    playerOverlay.sprite = Resources.Load<Sprite>("Icons/Overlays/overlay_" + entry.Overlay);
                    if (entry.Overlay != 0) playerOverlay.gameObject.SetActive(true);
                    if (entry.Overlay == 8) playerOverlay.transform.localPosition = new Vector2(-16.56f, 14.81f);
                    else if (entry.Overlay == 11) playerOverlay.transform.localPosition = new Vector2(-14.74451f, 20.39122f);
                    else if (entry.Overlay == 13) playerOverlay.transform.localPosition = new Vector2(-16.54019f, 14.70365f);
                    try
                    {
                        playerIcon.color = new Color(entry.BirdColor[0] / 255f, entry.BirdColor[1] / 255f, entry.BirdColor[2] / 255f);
                        playerOverlay.color = new Color(entry.BirdColor[0] / 255f, entry.BirdColor[1] / 255f, entry.BirdColor[2] / 255f);
                    }
                    catch
                    {
                        playerIcon.color = Color.white;
                        playerOverlay.color = Color.white;
                    }
                }
                else playerIcon.gameObject.AddComponent<WaitingForCustomIcon>().ID = entry.CustomIcon;
                playerIconButton.onClick.AddListener(async () =>
                {
                    var clone = Instantiate(profilePrefab.gameObject, profilePrefab.gameObject.transform.parent);
                    clone.SetActive(true);
                    await clone.GetComponent<ProfileMenu>().Init(entry.UserID);
                });
                entryInfo.SetActive(true);
            }
            CustomIconLoader.Init(FindObjectsByType<WaitingForCustomIcon>(FindObjectsSortMode.None));
        }
        else
        {
            UpdateStatus(true, (string)jsonResponse["message"]);
        }
        backButton.interactable = true;
        refreshButton.interactable = true;
    }

    private void UpdateStatus(bool enabled, string message = "")
    {
        statusText.gameObject.SetActive(enabled);
        statusText.text = message;
    }

    async void Update()
    {
        if (Keyboard.current.escapeKey.wasPressedThisFrame && FindFirstObjectByType<ProfileMenu>() == null)
        {
            if (!selectionPanel.activeSelf) SwitchMenu(0);
            else await SceneManager.LoadSceneAsync("MainMenu");
        }
    }
}