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

/// <summary>
/// 组织机构需要的数据类
/// </summary>
[Serializable]
public class OrgItemData
{
    public string id;
    public string parentId;
    public string name;
    public int level;
}
/// <summary>
/// 组织机构数据存储类(只获取一遍组织机构)
/// </summary>
public class OrganizationsData
{
    private static OrganizationsData _Instance;
    private OrganizationsData() { }
    public static OrganizationsData Instance
    {
        get
        {
            if (_Instance == null)
            {
                _Instance = new OrganizationsData();
            }
            return _Instance;
        }
    }
    private List<OrgItemData> AllData = new List<OrgItemData>();
    public List<OrgItemData> GetOrgDatas()
    {
        lock (this)
        {
            return this.AllData;
        }
    }
    public void SetData(List<OrgItemData> datas)
    {
        lock (this)
        {
            foreach (var item in datas)
            {
                if (!AllData.Contains(item))
                    AllData.Add(item);
            }
        }
    }
}
public class OrganizationsLoadPanel : MonoBehaviour
{
    public Toggle Top;
    public Color SelectColor;
    public Color DisSelectColor;
    public Image ShowImage;
    public Image HideImage;
    public TMP_Text ShowOrgName;
    public GameObject Main;
    public Transform OrgsParent;
    public GameObject OrgsItem;
    public ToggleGroup Group;
    public OrgItemData SelectData;
    public Color NormalColor;
    private OrgItem rootItem;
    public PostsLoadPanel postsPanel;

    public List<Color> IndexColor = new List<Color>()
    {
        Color.white,Color.red,Color.green,Color.yellow
    };
    private string Api = "/api/Organizations";
    private List<OrgItemData> AllResultData = new List<OrgItemData>();
    void Start()
    {
        AllResultData = OrganizationsData.Instance.GetOrgDatas();
        if (AllResultData.Count == 0)
        {
            var Url = "";
            if (HTTPRequestManager.Instance != null)
            {
                Url = $"{Api}?ContainsChildren=true&PageNumber={1}&PageSize={10000}";
            }
            //向服务端请求数据
            HTTPRequestManager.Instance.GetJson<Page<OrgItemData>>(Url, SkipPageSuccessed, SkipPageError);
        }
        else
        {
            DataBind(AllResultData);
        }
        Top.onValueChanged.AddListener(Top_ValueChanged);
    }

    private void Top_ValueChanged(bool IsOn)
    {
        Main.SetActive(IsOn);
        ShowImage.gameObject.SetActive(IsOn);
        HideImage.gameObject.SetActive(!IsOn);
        if (IsOn)
        {
            if (postsPanel != null)
            {
                postsPanel.Top.isOn = false;
            }
        }
    }

    private void SkipPageError(int code, string message)
    {
        //MessageNotifyBox.Instance.ShowDialogOK("获取组织机构失败!");
        Debug.LogError("获取组织机构失败!");
    }

    private void SkipPageSuccessed(Page<OrgItemData> resultSet)
    {
        if (resultSet.Items.Count > 0)
        {
            foreach (Transform item in OrgsParent)
            {
                Destroy(item.gameObject);
            }
            //数据处理
            DataBind(resultSet.Items);
        }
    }

    private void DataBind(List<OrgItemData> data)
    {
        OrganizationsData.Instance.SetData(data);
        var root = AllResultData.Where(d => string.IsNullOrEmpty(d.parentId)).SingleOrDefault();
        rootItem = Create(root);
        rootItem.DataBind(root, this, 0);

        var node1 = data.Where(d => d.parentId == root.id).ToList();

        if (node1.Count > 0)
        {
            for (int i = 0; i < node1.Count; i++)
            {
                var nood1Item = Create(node1[i]);
                nood1Item.DataBind(node1[i], this, 1);
                rootItem.M_Children.Add(nood1Item);
                rootItem.HaChildObj.SetActive(true);

                var node2 = data.Where(d => d.parentId == node1[i].id).ToList();

                if (node2.Count > 0)
                {
                    for (int j = 0; j < node2.Count; j++)
                    {
                        var nood2Item = Create(node2[j]);
                        nood2Item.DataBind(node2[j], this, 2);
                        nood1Item.M_Children.Add(nood2Item);
                        nood1Item.HaChildObj.SetActive(true);

                        var node3 = data.Where(d => d.parentId == node2[j].id).ToList();

                        if (node3.Count > 0)
                        {
                            for (int k = 0; k < node3.Count; k++)
                            {
                                var nood3Item = Create(node3[k]);
                                nood3Item.DataBind(node3[k], this, 3);
                                nood2Item.M_Children.Add(nood3Item);
                                nood2Item.HaChildObj.SetActive(true);
                            }
                            nood2Item.HideChild();
                        }

                        nood1Item.HideChild();
                    }
                }
            }
        }

        rootItem.ShowChildUI();
    }

    public OrgItem Create(OrgItemData data)
    {
        GameObject go = Instantiate(OrgsItem, OrgsParent);
        return go.GetComponent<OrgItem>();
    }
    public void AutoHeight()
    {
        StopAllCoroutines();
        StartCoroutine(autoHeight());
    }

    IEnumerator autoHeight()
    {
        yield return new WaitForSeconds(0.05f);
        float height = OrgsParent.GetComponent<RectTransform>().sizeDelta.y < 330 ? OrgsParent.GetComponent<RectTransform>().sizeDelta.y : 330;
        Main.GetComponent<RectTransform>().sizeDelta = new Vector2(
        Main.GetComponent<RectTransform>().sizeDelta.x, height);
    }
    public void OrgSelect(OrgItemData data, bool IsSelect)
    {
        if (IsSelect)
        {
            this.SelectData = data;
            Top.isOn = false;
            ShowOrgName.text = data.name;
            ShowOrgName.color = Color.white;
        }
        else
        {
            if (SelectData == data)
            {
                SelectData = null;
                ShowOrgName.text = "请选择";
                ShowOrgName.color = NormalColor;
                Top.isOn = false;
            }
        }
        if (postsPanel != null)
        {
            postsPanel.OrgDataBind(SelectData);
        }
    }
    public void Reset()
    {
        foreach (Transform item in OrgsParent)
        {
            if (item.GetComponent<Toggle>().isOn)
            {
                item.GetComponent<Toggle>().isOn = false;
            }
        }
        if (rootItem)
        {
            rootItem.ShowChild.isOn = false;
            rootItem.ShowChildUI();
        }
        Top.isOn = false;
        ShowOrgName.text = "请选择";
        ShowOrgName.color = NormalColor;
    }
}