using System;
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 int mode = -1;

    void Awake()
    {
        selectionScoreButton.onClick.AddListener(() => { mode = 0; SwitchMenu(1); });
        selectionBerryButton.onClick.AddListener(() => { mode = 1; SwitchMenu(1); });
        selectionCoinButton.onClick.AddListener(() => { mode = 2; SwitchMenu(1); });
        selectionLegacyButton.onClick.AddListener(() => { mode = 3; SwitchMenu(1); });
        selectionTotalBerriesButton.onClick.AddListener(() => { mode = 4; 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 = -1;
            refreshButton.gameObject.SetActive(false);
            selectionPanel.SetActive(true);
            scoresPanel.SetActive(false);
        }
        else if (menu == 1)
        {
            refreshButton.transform.localPosition = mode == 1 ? new Vector2(402.5f, 282.33f) : new Vector2(-402.5f, -282.33f);
            refreshButton.gameObject.SetActive(true);
            berryShowTypeDropdown.gameObject.SetActive(mode == 1);
            berryShowTypeDropdown.value = 0;
            selectionPanel.SetActive(false);
            scoresPanel.SetActive(true);
            GetTopPlayers();
        }
    }

    async void GetTopPlayers()
    {
        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 == 0
            ? Endpoints.LEADERBOARDS_SCORE_ENDPOINT
            : mode == 1
            ? Endpoints.LEADERBOARDS_BERRY_ENDPOINT + "?berry=" + berryShowTypeDropdown.value
            : mode == 2
            ? Endpoints.LEADERBOARDS_COIN_ENDPOINT
            : mode == 3
            ? 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.result == UnityWebRequest.Result.Success)
        {
            UpdateStatus(false);
            string response = request.downloadHandler.text;
            try
            {
                var jsonResponse = JObject.Parse(response);
                if ((bool)jsonResponse["success"])
                {
                    foreach (var entry in jsonResponse["data"].ToObject<LeaderboardEntry[]>())
                    {
                        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} (#{entry.UserID + 1})";
                        scoreText.text = (mode == 2 ? "Coins: " : "Berries: ") + 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"]);
                }
            }
            catch (Exception e)
            {
                UpdateStatus(true, "Failed to fetch leaderboard stats: " + e);
            }
        }
        else
        {
            UpdateStatus(true, "Failed to fetch leaderboard stats");
        }
        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");
        }
    }
}