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

public class QuestionItem : MonoBehaviour
{
    public GameObject topHint;
    public TextMeshProUGUI hintTxt;

    public TextMeshProUGUI questionText;

    public Button submitBtn;

    public Toggle togPrefab;
    public ToggleGroup togPrefabGroup;

    public InputField input;

    public DataItem2 currentData;

    int currentSelectIndex = -1;

    List<Toggle> allChoose;

    public GameObject imgShowObj;
    public Transform imgShowPanel;
    public Image imgShowInfo;
    public void Init(DataItem2 data, bool isEnd, bool isExit = false)
    {
        currentData = data;
        if (currentData != null)
        {
            if (!string.IsNullOrEmpty(currentData.introduce))
            {
                topHint.SetActive(true);
                hintTxt.text = currentData.introduce;
            }
            if (isEnd)
            {
                submitBtn.gameObject.SetActive(true);
                submitBtn.onClick.AddListener(OnClickSubmit);
            }
            else
            {
                submitBtn.gameObject.SetActive(false);
            }
            questionText.text = currentData.title;
        }
        var replyList = currentData.problemAnswerRespList;
        allChoose = new List<Toggle>();
        for (int i = 0; i < replyList.Count; i++)
        {
            Toggle newUI = GameObject.Instantiate(togPrefab, togPrefabGroup.transform);
            newUI.transform.Find("Label").GetComponent<Text>().text = replyList[i].replyText;
            newUI.gameObject.SetActive(true);
            newUI.isOn = false;
            newUI.transform.SetSiblingIndex(i);
            newUI.onValueChanged.AddListener((bool value) => OnSelect(newUI));
            newUI.name = i.ToString();
            allChoose.Add(newUI);
        }
        if (currentData.type == 1)
        {
            input.gameObject.SetActive(false);
        }
        else if (currentData.type == 2)
        {
            for (int i = 0; i < allChoose.Count; i++)
            {
                allChoose[i].group = null;
            }
            input.gameObject.SetActive(false);
        }
        else if (currentData.type == 3)
        {
            input.gameObject.SetActive(true);
        }

        if (currentData.problemDescribeFiles != null)
        {
            if (currentData.problemDescribeFiles.Count > 0)
            {
                for (int i = 0; i < currentData.problemDescribeFiles.Count; i++)
                {
                    var item = currentData.problemDescribeFiles[i];
                    var newUI = GameObject.Instantiate(imgShowInfo, imgShowPanel);
                    StartCoroutine(DownSprite(newUI, item.filePath));
                }
            }
            else
            {
                imgShowObj.gameObject.SetActive(false);
            }
        }
        else
        {
            imgShowObj.gameObject.SetActive(false);
        }

        if (isExit)//退出显示
        {
            //if(currentData.problemFeedbackFiles)
        }
    }

    IEnumerator DownSprite(Image img, string path)
    {
        UnityWebRequest wr = new UnityWebRequest(path);
        DownloadHandlerTexture texD1 = new DownloadHandlerTexture(true);
        wr.downloadHandler = texD1;
        yield return wr.SendWebRequest();
        int width = 280;
        int high = 100;
        if (!wr.isNetworkError)
        {
            Texture2D tex = new Texture2D(width, high);
            tex = texD1.texture;
            //保存本地          
            //Byte[] bytes = tex.EncodeToPNG();
            //File.WriteAllBytes(Application.dataPath + "/" + data.name + ".png", bytes);
            if (tex != null)
            {
                Sprite sprite = Sprite.Create(tex, new Rect(0, 0, tex.width, tex.height), new Vector2(0.5f, 0.5f));
                img.GetComponent<Image>().sprite = sprite;
                img.gameObject.SetActive(true);
            }
            //transform.GetComponent<Image>().sprite = sprite;
        }
    }

    private void OnClickSubmit()
    {
        EventCenter.dispatcher.SendMessage(MsgType.OnSubmitQuestion, null);
    }

    private void OnSelect(Toggle t)
    {
        if (t.isOn)
        {
            currentSelectIndex = int.Parse(t.name);
            if (t.group != null)
                t.group.allowSwitchOff = false;
        }
    }

    public int GetTogSelect()
    {
        return currentSelectIndex;
    }

    public string GetTogSelectStr()
    {
        return allChoose[currentSelectIndex].transform.Find("Label").GetComponent<Text>().text;
    }

    public string GetAllSelectStr()
    {
        var ints = GetAllSelect();
        string str = "";
        for (int i = 0; i < ints.Count; i++)
        {
            str += allChoose[currentSelectIndex].transform.Find("Label").GetComponent<Text>().text;
            if(i != ints.Count -1)
            {
                str += ",";
            }
        }
        return str;
    }

    public List<int> GetAllSelect()
    {
        List<int> result = new List<int>();
        for (int i = 0; i < allChoose.Count; i++)
        {
            if (allChoose[i].isOn)
            {
                result.Add(i);
            }
        }
        return result;
    }

    public string GetStrAnswer()
    {
        return input.text;
    }

    public void SetChooseSingle(int index)
    {
        if (index == -1) return;
        allChoose[index].isOn = true;
    }

    public void SetMoreChoose(List<int> index)
    {
        if (index == null) return;
        if (index.Count == 0) return;
        for (int i = 0; i < index.Count; i++)
        {
            if (index[i] < allChoose.Count)
            {
                allChoose[i].isOn = true;
            }
        }
    }

    public void SetStrAnswer(string str)
    {
        if (str == null) return;
        input.text = str;
    }
}