using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityAsync;
using WaitUntil = UnityAsync.WaitUntil;
using System.Threading.Tasks;
using UnityEngine.UI;
public class GCZLLayer : MonoBehaviour
{
    public GameObject classPrefab;
    public GameObject informationPrefab;

    public RectTransform classContent;
    public RectTransform informationContent;
    public YZTLayer zTLayer;

    public Sprite[] sprites;

    

    private List<GameObject> informations = new List<GameObject>();

    private GameObject lastClassBtn;
    private int currentClass = -99;

    private GameObject InfoPanel;
    private Button InfoExitButton;
    private Button Info_DetailButton;
    private Text InfoTitleText;
    private Text InfoClassText;
    private Text InfoNoText;
    private Text InfoDayText;

    private GameObject DetailPanel;
    private Button DetailExitButton;
    private Text DetailTitleText;

    private LayerUnitData currentData;
    
    private void Awake()
    {
        InfoPanel = this.transform.Find("InfoPanel").gameObject;
        InfoTitleText = InfoPanel.transform.Find("Title").GetComponent<Text>();
        InfoClassText= InfoPanel.transform.Find("Class").GetComponent<Text>();
        InfoNoText= InfoPanel.transform.Find("No").GetComponent<Text>();
        InfoDayText= InfoPanel.transform.Find("Day").GetComponent<Text>();
        InfoExitButton = InfoPanel.transform.Find("CloseButton").GetComponent<Button>();
        InfoExitButton.onClick.AddListener(() =>
        {
            InfoPanel.SetActive(false);
        });
        Info_DetailButton = InfoPanel.transform.Find("MoreButton").GetComponent<Button>();
        Info_DetailButton.onClick.AddListener(() =>
        {
            DetailTitleText.text = currentData.name;
            DetailPanel.SetActive(true);
        });

        DetailPanel = this.transform.Find("DetailPanel").gameObject;
        DetailTitleText = DetailPanel.transform.Find("Title").GetComponent<Text>();
        DetailExitButton = DetailPanel.transform.Find("CloseButton").GetComponent<Button>();
        DetailExitButton.onClick.AddListener(() =>
        {
            DetailPanel.SetActive(false);
        });

        InfoPanel.SetActive(false);
        DetailPanel.SetActive(false);

    }

    // Start is called before the first frame update
    async void Start()
    {
        await InitData();
        StaticLod.instance.OnFoucusStatic(0);
        CameraManager.SwitchCamera(0);
        InitButton();
        InitInformation(0);
    }

    void InitButton() {
        for (int i = 0; i < zTLayer.layerDatas.Length; i++) {
            string name = zTLayer.layerDatas[i].layerName;
            int temp = i;
            GameObject obj = Instantiate(classPrefab);
            obj.transform.SetParent(classContent);
            obj.GetComponentInChildren<Text>().text = name;
            obj.transform.localScale = Vector3.one;
            if (i == 0)
            {
                obj.GetComponent<Image>().sprite = sprites[0];
                lastClassBtn = obj;
            }
            else
            {
                obj.GetComponent<Image>().sprite = sprites[1];
            }
            obj.GetComponent<Button>().onClick.AddListener(()=> {
                InitInformation(temp);
                lastClassBtn.GetComponent<Image>().sprite = sprites[1];
                obj.GetComponent<Image>().sprite = sprites[0];
                lastClassBtn = obj;
            });
        }
    }

    void InitInformation(int index) {
        if (currentClass == index) return;
        for (int i = informations.Count - 1; i >= 0; i--) {
            Destroy(informations[i]); 
        }
        informations.Clear();
        currentClass = index;
        if (currentClass == 0)
        {
            for (int i = 0; i < GlobalData.layerUnitDatas.Count; i++)
            {
                if (GlobalData.layerUnitDatas[i].special)
                {
                    GameObject obj = Instantiate(informationPrefab);
                    string realName = GlobalData.layerUnitDatas[i].name;
                    string priName = GlobalData.layerUnitDatas[i].name_pri;
                    var objType = GlobalData.layerUnitDatas[i].type;
                    string className = GlobalData.layerUnitDatas[i].GetTypeName();
                    obj.transform.SetParent(informationContent);
                    obj.transform.Find("Name").GetComponentInChildren<Text>().text = realName;
                    obj.transform.Find("Class").GetComponentInChildren<Text>().text = className;
                    //todo
                    obj.transform.Find("No").GetComponentInChildren<Text>().text = "未知";
                    obj.transform.Find("Day").GetComponentInChildren<Text>().text = "近期";

                    obj.transform.localScale = Vector3.one;
                    informations.Add(obj);
                    int dataIndex = i;

                    obj.GetComponent<Button>().onClick.AddListener(() =>
                    {
                        
                        currentData = GlobalData.layerUnitDatas[dataIndex];
                        StaticLod.instance.OnFoucusStatic(priName);
                        if (objType == LayerUnitType.ZZ|| objType==LayerUnitType.BZ)
                        {
                            Info_DetailButton.gameObject.SetActive(true);
                        }
                        else
                        {
                            Info_DetailButton.gameObject.SetActive(false);
                        }
                        ShowInfoPanelData();
                    }); 
                }
            }
        }
        else {
            for (int i = 0; i < GlobalData.layerUnitDatas.Count; i++)
            {
                if (GlobalData.layerUnitDatas[i].type == (LayerUnitType)currentClass)
                {
                    GameObject obj = Instantiate(informationPrefab);
                    string realName = GlobalData.layerUnitDatas[i].name;
                    string priName = GlobalData.layerUnitDatas[i].name_pri;
                    var objType = GlobalData.layerUnitDatas[i].type;
                    string className = GlobalData.layerUnitDatas[i].GetTypeName();
                    obj.transform.SetParent(informationContent);
                    obj.transform.Find("Name").GetComponentInChildren<Text>().text = realName;
                    obj.transform.Find("Class").GetComponentInChildren<Text>().text = className;
                    //todo
                    obj.transform.Find("No").GetComponentInChildren<Text>().text = "未知";
                    obj.transform.Find("Day").GetComponentInChildren<Text>().text = "近期";

                    obj.transform.localScale = Vector3.one;
                    informations.Add(obj);
                    int dataIndex = i;
                    obj.GetComponent<Button>().onClick.AddListener(() =>
                    {
                        currentData = GlobalData.layerUnitDatas[dataIndex];
                        StaticLod.instance.OnFoucusStatic(priName);
                        if (objType == LayerUnitType.ZZ|| objType==LayerUnitType.BZ)
                        {
                            Info_DetailButton.gameObject.SetActive(true);
                        }
                        else
                        {
                            Info_DetailButton.gameObject.SetActive(false);
                        }
                        ShowInfoPanelData();
                    });
                }
            }
        }
    }


    async Task InitData()
    {
        await new WaitUntil(() =>
        {
            return GlobalData.layerUnitDatas.Count > 0;
        });
    }

    public void ShowInfoPanelData()
    {
        InfoTitleText.text = currentData.name;
        InfoClassText.text = currentData.GetTypeName();
        //todo
        InfoNoText.text = "未知";
        InfoDayText.text = "近期";
        InfoPanel.SetActive(true);
    }    
}