using System.Collections.Generic;
using TMPro;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.Pool;
using Cysharp.Threading.Tasks;
using System.Threading.Tasks;
using System.Linq;
using System;
using BestHTTP;
using Unity.VisualScripting;

public class SearchCtrl : SingletonMonoBehaviour<SearchCtrl>
{
    //¿É¼Ç ÆäÀÌÁö UI
    [SerializeField] GameObject opsion;
    [SerializeField] Image searchMenuButtonImage;
    [SerializeField] Sprite[] searchMenuButton;
    [SerializeField] TMP_Text searchMenuButtonText;
    [SerializeField] TMP_InputField name;
    [SerializeField] TMP_Dropdown suitStyle;
    [SerializeField] TMP_Dropdown suitType;
    [SerializeField] TMP_Dropdown region;
    [SerializeField] TMP_Dropdown animalTypes;
    [SerializeField] Toggle[] colors;
    [SerializeField] Sprite[] isOnSprite;

    // °Ë»ö °á°ú UI
    [SerializeField] ItemPrefab item;
    [SerializeField] Transform results;
    [SerializeField] GameObject listTop;
    [SerializeField] RectTransform content;
    [SerializeField] Animator searchUI;
    [SerializeField] GameObject loading;
    [SerializeField] Transform loadingImage;

    // ¸ð´Þ UI
    [SerializeField] ModalCtrl model;

    // °Ë»ö °á°ú µ¥ÀÌÅÍ
    private SearchRequest request = new SearchRequest();
    [SerializeField] private List<Library> librarys;
    private bool hasMore;

    // °Ë»ö°á°ú UI ÇÁ¸®ÆÕ
    private List<ItemPrefab> itemPrefabs;
    private ObjectPool<ItemPrefab> itemPrefabPool;

    // ???
    private bool isSearching = false;
    private bool isRefreshing = false;
    private Queue<Library> searchResults = new Queue<Library>();

    bool isLoading = false;

    protected override void OnAwake()
    {
        name.onEndEdit.AddListener(INPUTFIELD);
        librarys = new List<Library>();
        itemPrefabPool = new ObjectPool<ItemPrefab>(itemPrefabs_OnCreate, itemPrefabs_OnGet, itemPrefabs_OnRelease, null, true, 100);
        itemPrefabs = new List<ItemPrefab>();
    }

    void INPUTFIELD(string input)
    {
        if (Input.GetKeyDown(KeyCode.Return) || Input.GetKeyDown(KeyCode.KeypadEnter))
        {
            SearchButton();
        }
    }

    #region ObjectPool
    private ItemPrefab itemPrefabs_OnCreate()
    {
        return Instantiate<ItemPrefab>(item, results);
    }

    private void itemPrefabs_OnGet(ItemPrefab itemPrefab)
    {
        itemPrefabs.Add(itemPrefab);
        itemPrefab.gameObject.SetActive(true);
    }

    private void itemPrefabs_OnRelease(ItemPrefab itemPrefab)
    {
        itemPrefab.gameObject.SetActive(false);
        itemPrefabs.Remove(itemPrefab);
    }
    #endregion

    private void OnEnable()
    {
        hasMore = false;
        model.modelCanvas.SetActive(false);
        searchUI.SetTrigger("reset");
        loading.SetActive(false);
        ResetButton();
        ObjectClear();
    }

    private void ObjectClear()
    {
        results.gameObject.SetActive(false);
        listTop.SetActive(false);
        librarys.Clear();
        while (itemPrefabPool.CountActive > 0)
        {
            var item = itemPrefabs[itemPrefabs.Count - 1];
            itemPrefabPool.Release(item);
        }
    }


    public void OpsionButton()
    {
        //¿É¼ÇâÀÌ ³ª¿ÀÁö ¾Ê¾ÒÀ»¶§ 250,100
        //¿É¼ÇâÀÌ ³ª¿ÔÀ»¶§ 60 ,290
        bool isSelf = !opsion.activeSelf;
        searchMenuButtonImage.sprite = searchMenuButton[(isSelf ? 1 : 0)];
        searchMenuButtonImage.pixelsPerUnitMultiplier = (isSelf ? 3.5f : 1.75f);
        searchMenuButtonText.color = (isSelf ? Color.white : Color.black);
        searchUI.SetBool("isSelf", isSelf);
        ResetButton();
    }

    public void SearchButton()
    {
        bool isBefore = true;
        if(request.fursuitName != name.text)
        {
            request.fursuitName = name.text;
            isBefore = false;
        }

        if (suitStyle.value != 0)
        {
            if (request.suitStyle != GameManager.Instance.suitStyle[suitStyle.value - 1].code_id)
            {
                request.suitStyle = GameManager.Instance.suitStyle[suitStyle.value - 1].code_id;
                isBefore = false;
            }
        }
        else if(request.suitStyle != "")
        {
            request.suitStyle = "";
            isBefore = false;
        }
            
        if (suitType.value != 0)
        {
            if (request.suitType != GameManager.Instance.suitType[suitType.value - 1].code_id)
            {
                request.suitType = GameManager.Instance.suitType[suitType.value - 1].code_id;
                isBefore = false;
            }
        }
        else if (request.suitType != "")
        {
            request.suitType = "";
            isBefore = false;
        }

        if (region.value != 0)
        {
            if (request.suitRegion != GameManager.Instance.region[region.value - 1].code_id)
            {
                request.suitRegion = GameManager.Instance.region[region.value - 1].code_id;
                isBefore = false;
            }
        }
        else if (request.suitRegion != "")
        {
            request.suitRegion = "";
            isBefore = false;
        }

        if (animalTypes.value != 0)
        {
            if (request.suitAnimalType != GameManager.Instance.animalTypes[animalTypes.value - 1].code_id)
            {
                request.suitAnimalType = GameManager.Instance.animalTypes[animalTypes.value - 1].code_id;
                isBefore = false;
            }
        }
        else if (request.suitAnimalType != "")
        {
            request.suitAnimalType = "";
            isBefore = false;
        }

        //ù °Ë»öÀ̰ųª ÀÌÀü°ú °Ë»ö°á°ú°¡ °°Áö ¾ÊÀ¸¸é °Ë»öÁøÇà
        if (!isBefore || !listTop.activeSelf)
        {
            request.offset = 0;
            request.page = 1;
            request.size = 10;
            ObjectClear();
            results.gameObject.SetActive(true);
            listTop.SetActive(true);
            SearchSuiters().Forget();
        }
    }

    private void Update()
    {
        if (isLoading)
        {
            loadingImage.rotation *= Quaternion.Euler(0, 0, 5);
        }
    }
    public async UniTask SearchSuiters()
    {
        if (isSearching) return;
        isSearching = true;

        var tcs = new TaskCompletionSource<bool>();

        HTTPRequest searchRequest = NetworkManager.Instance.CreateRequest<SearchResponse>(
            "library/select/suiters",
            request,
            (data) =>
            {
                for (int n = 0; n < data.data.Count; n++)
                {
                    searchResults.Enqueue(data.data[n]);
                }
                hasMore = data.hasMore;
                tcs.SetResult(true); // ÀÀ´ä ¿Ï·á ½ÅÈ£
                loading.SetActive(hasMore);
            }
        );

        await searchRequest.Send();

        await tcs.Task; // ÀÀ´äÀÌ ¿Ï·áµÉ ¶§±îÁö ´ë±â
        await RefreshScroll();
        isSearching = false;


    }

    public async UniTask RefreshScroll()
    {
        if (isRefreshing) return;
        isRefreshing = true;

        if (searchResults.Count > 0)
        {
            while (searchResults.TryDequeue(out var result))
            {
                librarys.Add(result);
            }
        }

        int n = 0;
        for (; n < itemPrefabs.Count; n++)
        {
            var item = itemPrefabs[n];
            item.Set(librarys[n]);
            await UniTask.Yield();
        }

        for (; n < librarys.Count; n++)
        {
            var item = itemPrefabPool.Get();
            LayoutRebuilder.ForceRebuildLayoutImmediate(content);
            item.Set(librarys[n]);
            await UniTask.Yield();
        }
        isLoading = false;
        loadingImage.rotation = Quaternion.identity;
        for (; n > librarys.Count; n--)
        {
            var item = itemPrefabs.Last();
            itemPrefabPool.Release(item);
            await UniTask.Yield();
        }
        await ApplayImages();

        isRefreshing = false;
    }

    private async UniTask ApplayImages()
    {
        for (int i = 0; itemPrefabs.Count > i; i++)
        {
            await GetImage(itemPrefabs[i].library);
            itemPrefabs[i].ImageSet();
        }
    }

    public async UniTask<Texture2D> GetImage(Library library)
    {
        if (library._suit_image != null)
        {
            return library._suit_image;
        }

        var tcs = new TaskCompletionSource<Texture2D>();

        var request = NetworkManager.Instance.CreateImageRequest(
            library.imageBase64.Substring(1),
            new object(),
            (data) =>
            {
                library._suit_image = data;
                tcs.SetResult(data);
            },
            (fail) =>
            {
                //Debug.LogError("GetImage Fail");
                tcs.SetResult(null);
            },
            BestHTTP.HTTPMethods.Get
        );

        await request.Send();

        await tcs.Task;
        return library._suit_image;
    }

    public void NextSearch()
    {
        if (isSearching == false)
        {
            hasMore = false;
            request.page++;
            SearchSuiters().Forget();
        }
    }

    public void ResetButton()
    {
        suitStyle.value = 0;
        suitType.value = 0;
        region.value = 0;
        animalTypes.value = 0;
        for (int n = 0; n < colors.Length; n++)
        {
            colors[n].isOn = false;
            colors[n].image.sprite = isOnSprite[0];
        }
    }

    public void OnToggle(int velue)
    {
        colors[velue].image.sprite = isOnSprite[(colors[velue].isOn ? 1 : 0)];
    }

    public void ModelSet(Library library)
    {
        model.Set(library);
    }

    public void ScrollValue(RectTransform Content)
    {
        if (Content.anchoredPosition.y < 0.0f)
        {
            Content.anchoredPosition = Vector2.zero;
        }
        else if (hasMore && Content.sizeDelta.y != Screen.height && Content.sizeDelta.y - Screen.height < (Content.anchoredPosition.y + 25))
        {
            isLoading = true;
            NextSearch();
        }
    }
}

public class SearchRequest
{
    public int xid;
    public string fursuitName = ""; /*¿À³Ê,½´Æ® À̸§*/
    public string suitMaker; /*»ç¿ë¾ÈÇÔ*/
    public string suitRegion = ""; /*È°µ¿ ±¹°¡*/
    public string suitStyle = ""; /*½´Æ® ½ºÅ¸ÀÏ*/
    public string suitAnimalType = ""; /*½´Æ® µ¿¹° Á¾*/
    public string suitType = ""; /*½´Æ® ÇüÅÂ*/
    public List<string> colorList = new List<string>(); /*½´Æ® »ö»ó*/
    public int page = 1;
    public int size = 10;
    public int offset = 0;
}
public class SearchResponse
{
    public List<Library> data;
    public bool hasMore;
}
public class ImageResponse
{
    public byte[] imageBytes;
}

[Serializable]
public class Library
{
    public string imageBase64;
    public string suit_name;
    public string owner_id;
    public string owner_name;
    public string production_date;
    public Texture2D _suit_image = null;
    public string maker;
    public string region;
    public string animal_type;
    public string suit_style;
    public string suit_type;
    public List<string> suit_color;
}