using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using TMPro;
using UnityEngine;
using UnityEngine.Networking;
using UnityEngine.UI;

public class ChatUI : MonoBehaviour
{
    public TextMeshProUGUI[] texts; // 0 이름, 1 채팅 코인
    public ScrollRect m_ScrollRect;
    public Transform tf_parent;
    public GameObject go_chatGirlCard, go_chatMyCard, go_dayCard, go_pictureCard;
    public TMP_InputField if_msg;

    List<GameObject> list_chat = new List<GameObject>();
    girltabledata m_Data;

    public void Set(girltabledata data)
    {
        gameObject.SetActive(true);

        m_Data = data;
        texts[0].text = m_Data.s_Name;
        Set_Money();
        ADInfo.Ins.Set_Banner(false);

        for (int i = 0; i < list_chat.Count; i++)
            Destroy(list_chat[i]);
        list_chat.Clear();

        var chatdata = SaveMgr.Ins.Get_ChatSaveData_orNull(m_Data.n_GirlID);
        if (chatdata != null)
            for (int i = 0; i < chatdata.histories.Count; i++)
                Set_Chat(chatdata.histories[i], i == chatdata.histories.Count - 1);
        else
            Make_Today();
    }

    void Set_Money() { texts[1].text = SaveMgr.Ins.Get_Money(eMoney.Chat).ToString(); }

    private void OnDisable()
    {
        ADInfo.Ins.Set_Banner(true);
    }

    void Set_Chat(ChatHistory chat, bool maketoday)
    {
        if (maketoday)
        {
            DateTime dt = DateTime.Parse(chat.timestamp);
            if (dt.Day != InternetTime.Ins.Time.Day)
                Make_Today();
        }

        if (chat.role.Equals("assistant"))
        {
            var chatscript = DSUtil.Get_Clone<ChatGirlCard>(go_chatGirlCard, tf_parent);
            chatscript.Set(m_Data.n_GirlID, chat.content);
            list_chat.Add(chatscript.gameObject);
        }
        else if (chat.role.Equals("user"))
        {
            var chatscript = DSUtil.Get_Clone<ChatMyCard>(go_chatMyCard, tf_parent);
            chatscript.Set(chat.content);
            list_chat.Add(chatscript.gameObject);
        }

        Canvas.ForceUpdateCanvases();
        Invoke("Set_ScrollEnd", Time.deltaTime * 5f);
    }

    void Make_Today()
    {
        list_chat.Add(DSUtil.Get_Clone(go_dayCard, tf_parent));
    }

    void Set_ScrollEnd()
    {
        m_ScrollRect.verticalNormalizedPosition = 0;
    }

    public void OnClick_Send()
    {
        StartCoroutine(Send_Chat());
    }

    IEnumerator Send_Chat()
    {
        if (string.IsNullOrEmpty(if_msg.text)) yield break;
        if (SaveMgr.Ins.Check_Money(eMoney.Chat, 1))
        {
            SaveMgr.Ins.Add_Money(eMoney.Chat, -1);
            SaveMgr.Ins.Save();
            Set_Money();
        }
        else
            yield break;

        string chaturl = $"https://navistalk-yrtti2co7a-dt.a.run.app/personas/{m_Data.s_PersonaId}/chat";
        var token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJnYW1lSWQiOiJzaGVnb3R3ZXQiLCJwYXJ0bmVySWQiOiJ0b25ld29ya2VyIiwiZ2FtZVRva2VuIjoiZ2FtZVRva2VuMjIyMyIsImlhdCI6MTc1ODc4OTE5N30.BU52nWyA6oNtiPNoiO6z9J6B9xYxnTOr_bD-z_Xrw10";

        var chatsaveData = SaveMgr.Ins.Get_ChatSaveData_orNull(m_Data.n_GirlID);

        // ChatData 객체 생성
        ChatData chatData = new ChatData
        {
            message = if_msg.text,
            conversationId = chatsaveData == null ? "" : chatsaveData.conversationId,
            userLanguage = "ko",
            histories = chatsaveData == null ? new List<ChatHistory>() : chatsaveData.histories
        };

        // JSON 변환
        string jsonData = JsonUtility.ToJson(chatData);
        byte[] bodyRaw = Encoding.UTF8.GetBytes(jsonData);

        var myhistory = new ChatHistory
        {
            role = "user",
            content = if_msg.text,
            timestamp = InternetTime.Ins.Time.ToString()
        };
        // 내 히스토리 추가
        SaveMgr.Ins.Add_ChatData(m_Data.n_GirlID, "", myhistory);
        Set_Chat(myhistory, false);

        using (UnityWebRequest www = new UnityWebRequest(chaturl, "POST"))
        {
            www.uploadHandler = new UploadHandlerRaw(bodyRaw);
            www.downloadHandler = new DownloadHandlerBuffer();

            // 헤더 설정
            www.SetRequestHeader("Content-Type", "application/json");
            www.SetRequestHeader("Accept", "application/json");
            www.SetRequestHeader("Authorization", "Bearer " + token);

            if_msg.text = "";

            yield return www.SendWebRequest();

            if (www.result == UnityWebRequest.Result.Success)
            {
                ChatResponeData data = JsonUtility.FromJson<ChatResponeData>(www.downloadHandler.text);

                var girlchathistory = new ChatHistory
                {
                    role = "assistant",
                    content = data.response,
                    timestamp = InternetTime.Ins.Time.ToString()
                };

                // 걸 히스토리 추가
                SaveMgr.Ins.Add_ChatData(m_Data.n_GirlID, data.conversationId, girlchathistory);
                Set_Chat(girlchathistory, true);
            }
            else
            {
                Debug.LogError("Error: " + www.error);
            }
        }
    }

    public void OnClick_NewChat()
    {
        LobbyUI.Ins.m_PopupUI.Set("현재의 채팅을 초기화 합니다. 계속하시겠습니까?", () =>
        {
            SaveMgr.Ins.Del_ChatSaveData(m_Data.n_GirlID);
            Set(m_Data);
        });
    }
}

[Serializable]
public class ChatHistory
{ // 최대 20개
    public string role;
    public string content;
    public string timestamp;
}

[Serializable]
public class ChatData
{
    public string message;
    public string conversationId;
    //public string userId;
    public string userLanguage = "ko";
    public List<ChatHistory> histories;
}

[Serializable]
public class ChatResponeData
{
    public string ok;
    public string response;
    public string conversationId;
}