using AllBase;
using AllBase.Model.Param.FissionManage;
using LittleRabbit.LittleRabbitForms.BaseForms;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;

namespace LittleRabbit.LittleRabbitForms.UploadForms
{
    public partial class CatForm : LRBaseForm
    {
        private const int SB_HORZ = 0;
        private const int SB_VERT = 1;
        private const int SB_CTL = 2;
        private const int SB_BOTH = 3;

        [DllImport("user32", EntryPoint = "ShowScrollBar")]
        public static extern int ShowScrollBar(int hwnd, int wBar, int bShow);

        private ProductCollectBase pcb;
        private int iCatId = 0;
        private List<GoodsCategoryModelEx> lstRootGoodsCategory = new List<GoodsCategoryModelEx>();
        private List<GoodsCategoryModelEx> lst2ndGoodsCategory = new List<GoodsCategoryModelEx>();
        private List<GoodsCategoryModelEx> lst3rdGoodsCategory = new List<GoodsCategoryModelEx>();
        public Fission frmFission;
        private int lst1Cid = 0;
        private int lst2Cid = 0;
        private int lst3Cid = 0;
        public CatForm(ProductCollectBase _pcb)
        {
            pcb = _pcb;
            InitializeComponent();
        }
        private void CatForm_Load(object sender, EventArgs e)
        {
            lbxSearch.Height = 300;
            ShowHistoricalCid(pcb.cat_id);

            //ShowScrollBar((int)this.lvRootCategory.Handle, SB_VERT, 1);
            //ShowScrollBar((int)this.lv2rdCategory.Handle, SB_VERT, 1);
            //ShowScrollBar((int)this.lv3rdCategory.Handle, SB_VERT, 1);
        }

        private void ShowHistoricalCid(int cid)
        {
            try
            {
                if (Fission.goodsCategoryList.Count == 0)
                    Fission.goodsCategoryList = JsonHelper.DeserializeJsonToList<GoodsCategoryModelEx>(AllBase.Model.Param.ProductManage.DyCategoryParam.DyCategorys);

                lvRootCategory.Clear();
                lstRootGoodsCategory = Fission.goodsCategoryList.FindAll(m => m.parent_id == 0);
                foreach (GoodsCategoryModel item in lstRootGoodsCategory)
                    lvRootCategory.Items.Add(item.id.ToString(), item.name, "");

                List<int> catList = Fission.GetParentCatList(cid);
                string cidName = string.Join(",", catList);

                if (!string.IsNullOrEmpty(cidName))
                {
                    string[] strArrary = cidName.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries);
                    strArrary = strArrary.Where(o => o != "0").ToArray();
                    if (strArrary.Length == 3)
                    {
                        lvRootCategory.FocusedItem = lvRootCategory.Items[strArrary[0]];
                        lvRootCategory.Items[strArrary[0]].Selected = true;
                        lv2rdCategory.FocusedItem = lv2rdCategory.Items[strArrary[1]];
                        lv2rdCategory.Items[strArrary[1]].Selected = true;
                        lv3rdCategory.Focus();
                        lv3rdCategory.FocusedItem = lv3rdCategory.Items[strArrary[2]];
                        lv3rdCategory.Items[strArrary[2]].Selected = true;
                    }
                    else if (strArrary.Length == 2)
                    {
                        lvRootCategory.FocusedItem = lvRootCategory.Items[strArrary[0]];
                        lvRootCategory.Items[strArrary[0]].Selected = true;
                        lv2rdCategory.Focus();
                        lv2rdCategory.FocusedItem = lv2rdCategory.Items[strArrary[1]];
                        lv2rdCategory.Items[strArrary[1]].Selected = true;
                    }
                    else
                    {
                        lvRootCategory.Focus();
                        lvRootCategory.FocusedItem = lvRootCategory.Items[strArrary[0]];
                        if (lvRootCategory.Items[strArrary[0]] != null)
                            lvRootCategory.Items[strArrary[0]].Selected = true;

                    }

                }
            }
            catch
            {

            }
        }

        private void lvRootCategory_SelectedIndexChanged(object sender, EventArgs e)
        {
            lv2rdCategory.Items.Clear();
            lv3rdCategory.Items.Clear();
            lst2Cid = 0;
            lst3Cid = 0;
            var cid = lvRootCategory.FocusedItem.Name;
            lbSelectCatName.Text = "当前选择商品分类：" + lvRootCategory.FocusedItem.Text;
            iCatId = int.Parse(cid);
            lst1Cid = iCatId;
            lst2ndGoodsCategory = Fission.goodsCategoryList.FindAll(m => m.parent_id == iCatId);
            btnChangeCatId.Enabled = lst2ndGoodsCategory.Count == 0;
            foreach (GoodsCategoryModel item in lst2ndGoodsCategory)
            {
                if (item.name.Equals("未知")) continue;
                lv2rdCategory.Items.Add(item.id.ToString(), item.name, "");
            }
        }

        private void lv2rdCategory_SelectedIndexChanged(object sender, EventArgs e)
        {
            lst3Cid = 0;
            lv3rdCategory.Items.Clear();
            var cid = lv2rdCategory.FocusedItem.Name;
            lbSelectCatName.Text = "当前选择商品分类：" + lv2rdCategory.FocusedItem.Text;
            iCatId = int.Parse(cid);
            lst2Cid = iCatId;
            lst3rdGoodsCategory = Fission.goodsCategoryList.FindAll(m => m.parent_id == iCatId);
            btnChangeCatId.Enabled = lst3rdGoodsCategory.Count == 0;
            foreach (GoodsCategoryModel item in lst3rdGoodsCategory)
            {
                if (item.name.Equals("未知")) continue;
                lv3rdCategory.Items.Add(item.id.ToString(), item.name, "");
            }
        }

        private void lv3rdCategory_SelectedIndexChanged(object sender, EventArgs e)
        {
            iCatId = int.Parse(lv3rdCategory.FocusedItem?.Name);
            lst3Cid = iCatId;
            btnChangeCatId.Enabled = true;
            lbSelectCatName.Text = "当前选择商品分类：" + lv3rdCategory.FocusedItem.Text;
        }

        /// <summary>
        /// 确认变更商品分类
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btnChangeCatId_Click(object sender, EventArgs e)
        {
            string sChangedCatName = lbSelectCatName.Text.Split('：')[1];
            if (BaseMsgForm.ShowConfirm("确认商品分类设置为【" + sChangedCatName + "】？").DialogResult.Equals(DialogResult.OK))
            {
                pcb.cat_id = iCatId;
                pcb.cat1 = lst1Cid;
                pcb.main_cid = lst1Cid;
                pcb.cat2 = lst2Cid;
                pcb.cat3 = lst3Cid;
                pcb.cat4 = 0;

                frmFission.lblCategory.Text = Fission.GetFullCatString(iCatId);
                var cat = Fission.goodsCategoryList.FirstOrDefault(c => c.id == iCatId);
                if (cat != null)
                {
                    // {"id":21621,"name":"电吹风","parent_cid":20099,"level":2,"enable":true,"first_cid":20099,"second_cid":21621,"third_cid":0,"fourth_cid":0,"first_name":"个人保健/护理电器","second_name":"电吹风","third_name":"","fourth_name":"","is_leaf":true,"highlight_levels":[],"extra_info":null,"industry_status":0}
                    frmFission.fullCatStrings = "[{\"id\":" + cat.id + ",\"name\":\"" + cat.name + "\"," +
                        "\"parent_cid\":" + cat.parent_id + ",\"level\":" + cat.level + ",\"enable\":" + cat.enable.ToString().ToLower() + ",";
                    List<GoodsCategoryModel> cl = new List<GoodsCategoryModel>();
                    cl.Add(cat);
                    var catEx = Fission.goodsCategoryList.FirstOrDefault(c => c.id == cat.id);
                    var pCat = Fission.goodsCategoryList.FirstOrDefault(c => c.id == cat.parent_id);
                    while (pCat != null && pCat.id != 0)
                    {
                        cl.Insert(0, pCat);
                        pCat = Fission.goodsCategoryList.FirstOrDefault(c => c.id == pCat.parent_id);
                    }
                    while (cl.Count < 4)
                    {
                        cl.Add(new GoodsCategoryModelEx());
                    }
                    frmFission.fullCatStrings += "\"first_cid\":" + cl[0].id + ",\"second_cid\":" + cl[1].id + ",\"third_cid\":" + cl[2].id + ",\"fourth_cid\":" + cl[3].id + "," +
                        "\"first_name\":\"" + cl[0].name + "\",\"second_name\":\"" + cl[1].name + "\",\"third_name\":\"" + cl[2].name + "\",\"fourth_name\":\"" + cl[3].name + "\",";
                    frmFission.fullCatStrings += "\"is_leaf\":" + cat.is_leaf.ToString().ToLower() + ",\"highlight_levels\":[],\"extra_info\":null," +
                        "\"industry_status\":" + catEx.industry_status + "}]";
                }

                Close();
            }
        }

        private void txtCateSearch_TextChanged(object sender, EventArgs e)
        {
            lbxSearch.Items.Clear();
            if (txtCateSearch.Text.Trim().Length > 0)
            {
                List<string> listResult = new List<string>();
                foreach (var item in Fission.goodsCategoryList)
                {
                    if (item.name.Contains(txtCateSearch.Text.Trim()))
                    {
                        List<string> dd = GetCatString(item.id);
                        listResult.AddRange(dd);
                    }
                }
                listResult = listResult.Distinct().OrderBy(x => x).ToList();

                if (listResult.Count > 0)
                {
                    lbxSearch.Visible = true;
                    foreach (var cstr in listResult)
                        lbxSearch.Items.Add(cstr);
                }
                else
                    lbxSearch.Visible = false;
            }
            else
            {
                lbxSearch.Visible = false;
            }
        }
        List<string> GetCatString(int cid)
        {

            //获取上级类目
            List<int> listCat = Fission.GetParentCatList(cid);
            List<string> listParent = new List<string>();
            for (int i = 0; i < listCat.Count; i++)
            {
                var c = Fission.goodsCategoryList.Find(x => x.id == listCat[i]);
                listParent.Add(c.name);
            }
            string strParentList = string.Join(">>", listParent);
            //获取所有下级类目
            List<string> listChild = new List<string>();
            List<int> listChild1 = GetChildCatList(cid);
            for (int i1 = 0; i1 < listChild1.Count; i1++)
            {
                List<int> listChild2 = GetChildCatList(listChild1[i1]);
                string s1 = Fission.goodsCategoryList.Find(x => x.id == listChild1[i1]).name;
                if (listChild2.Count == 0)
                {
                    listChild.Add(s1);
                    continue;
                }
                for (int i2 = 0; i2 < listChild2.Count; i2++)
                {
                    List<int> listChild3 = GetChildCatList(listChild2[i2]);
                    string s2 = Fission.goodsCategoryList.Find(x => x.id == listChild2[i2]).name;
                    if (listChild3.Count == 0)
                    {
                        listChild.Add(s1 + ">>" + s2);
                        continue;
                    }
                    for (int i3 = 0; i3 < listChild3.Count; i3++)
                    {
                        List<int> listChild4 = GetChildCatList(listChild3[i3]);
                        string s3 = Fission.goodsCategoryList.Find(x => x.id == listChild3[i3]).name;
                        if (listChild4.Count == 0)
                        {
                            listChild.Add(s1 + ">>" + s2 + ">>" + s3);
                            continue;
                        }
                    }
                }

            }
            List<string> listResult = new List<string>();
            if (listChild.Count > 0)
            {
                for (int i = 0; i < listChild.Count; i++)
                {
                    listResult.Add(strParentList + ">>" + listChild[i]);
                }
            }
            else
            {
                listResult.Add(strParentList);
            }
            return listResult;
        }
        List<int> GetChildCatList(int cid)
        {
            List<int> list = new List<int>();
            var listNext = Fission.goodsCategoryList.FindAll(x => x.parent_id == cid);
            for (int i = 0; i < listNext.Count; i++)
                list.Add(listNext[i].id);
            return list;
        }

        private void lbxSearch_Click(object sender, EventArgs e)
        {
            if (lbxSearch.SelectedIndex >= 0)
            {
                string cateStr = lbxSearch.SelectedItem.ToString();
                string[] cateArr = cateStr.Split(new string[] { ">>" }, StringSplitOptions.RemoveEmptyEntries);

                GoodsCategoryModel model = null;
                if (cateArr.Length > 0)
                    model = Fission.goodsCategoryList.Find(x => x.parent_id == 0 && x.name == cateArr[0]);

                if (cateArr.Length > 1 && model != null)
                {
                    model = Fission.goodsCategoryList.Find(x => x.parent_id == model.id && x.name == cateArr[1]);
                }
                if (cateArr.Length > 2 && model != null)
                {
                    model = Fission.goodsCategoryList.Find(x => x.parent_id == model.id && x.name == cateArr[2]);
                }
                if (cateArr.Length > 3 && model != null)
                {
                    model = Fission.goodsCategoryList.Find(x => x.parent_id == model.id && x.name == cateArr[3]);
                }
                if (model != null)
                    ShowHistoricalCid(model.id);
            }
            lbxSearch.Visible = false;
        }
    }
}