using Baidu.Aip.ImageSearch;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.IO;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Newtonsoft.Json.Linq;
using Newtonsoft.Json;
using DevExpress.XtraEditors.DXErrorProvider;
using DevExpress.XtraEditors;
using Lskj.Util;
using Lskj.Core;
using System.Data.SqlClient;
using Lskj.Control.Model;
using Lskj.Control;
using Lskj.Business.Impl;
using System.Drawing.Imaging;


namespace Lskj.PictureComp
{
    public partial class FrmMain : BaseForm
    {
        public FrmMain()
        {
            InitializeComponent();
            Add_TextProvider.ValidationMode = ValidationMode.Auto;
            SetRequired(Add_TextProvider, PageAdd_Tag1, PageAdd_Tag2, PageAdd_Brief, PageAdd_picEdit);
        }
        #region 公有变量
        /// <summary>
        /// 选择文件
        /// </summary>
        public OpenFileDialog FileDialog;
        /// <summary>
        /// 右侧panel宽度
        /// </summary>
        int panleWidth;
        /// <summary>
        /// 构造文本填写约束
        /// </summary>
        DXValidationProvider Add_TextProvider = new DXValidationProvider();

        /// <summary>
        /// 接口连接
        /// </summary>
        public ImageSearch client;
        #endregion
        #region 事件
        #region 窗体加载时
        /// <summary>
        /// <para>说明：窗体加载时</para>
        /// <para>创建人：王一帆</para>
        /// <para>创建日期：2021-06-15 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        protected override void OnLoad(EventArgs e)
        {
            try
            {
                if (DBConfig.Instance.CreateConnection())
                {
                    DataTable systemTab = SqlHelper.ExecuteDataTable("select * from p_systemtab");
                    DataRow dataRow = systemTab != null && systemTab.Rows.Count > 0 ? systemTab.Rows[0] : null;
                    string imageSearchApiKey = dataRow.Table.Columns.Contains("imageSearchApiKey") ? dataRow["imageSearchApiKey"] + "" : "";
                    string imageSearchSecretKey = dataRow.Table.Columns.Contains("imageSearchSecretKey") ? dataRow["imageSearchSecretKey"] + "" : "";
                    client = new Baidu.Aip.ImageSearch.ImageSearch(imageSearchApiKey, imageSearchSecretKey);
                    if (!BaseImpl.HasExistsTable("p_PictureComptab"))
                    {
                        CreationPictureTable();
                        this.panel_right.HorizontalScroll.Visible = false;//设置禁止水平滚动条
                    }
                }
                else
                {
                    MessageUtil.Show("数据初始化失败！");
                }
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }
            finally
            {
                Lskj.Control.Model.AutoSizeChange.ControllInitializeSize(this);
            }
        }
        #endregion
        #region 添加窗口图片点击事件
        /// <summary>
        /// <para>说明：添加窗口图片点击事件</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void OnPageAddPicEdit_Click(object sender, EventArgs e)
        {
            PageAdd_picEdit.Image = null;
            PageAdd_Tag1.Text = null;
            PageAdd_Tag2.Text = null;
            PageAdd_Brief.Text = null;
            panel_right.Controls.Clear();
            labelRightToP.Text = "返回结果";
            try
            {
                FileDialog = new OpenFileDialog();
                FileDialog.Filter = "Picture(*.jpg,*.png,*.jpeg,*.bmp,*.gif)|*.jpg;*.png;*.jpeg;*.bmp|All files(*.*)|*.*";
                if (FileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
                {
                    Image image = Image.FromFile(FileDialog.FileName);
                    Bitmap bm = new Bitmap(image, PageAdd_picEdit.Width, PageAdd_picEdit.Height);
                    this.PageAdd_picEdit.Image = bm;
                    image.Dispose();
                }
            }
            catch (Exception ex)
            {
                DevExpress.XtraEditors.LabelControl lable_ShowResult = new DevExpress.XtraEditors.LabelControl();
                lable_ShowResult.Parent = panel_right;
                lable_ShowResult.Text = ex.ToString();
                string Message = ErrorMessage.PromptErrorMessage(ex);
                //MessageUtil.Show(Message,ex.Message);
            }
        }
        #endregion
        #region 添加窗口确认按钮点击事件
        /// <summary>
        /// <para>说明：添加窗口确认按钮点击事件</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void OnPageAddBtnCheck_Click(object sender, EventArgs e)
        {
            WaitForm.ShowForm();
            try
            {
                if (Add_TextProvider.Validate())
                {
                    var image = File.ReadAllBytes(FileDialog.FileName);
                    var options = new Dictionary<string, object>();
                    options.Add("brief", PageAdd_Brief.Text);
                    options.Add("tags", string.Format("{0},{1}", PageAdd_Tag1.Text, PageAdd_Tag2.Text));
                    JObject result = client.SimilarAdd(image, options);
                    if (result.ContainsKey("error_code"))
                    {
                        switch (result["error_code"].ToString())
                        {
                            case "216681":
                                CreateErrorForm("添加失败！", global::Lskj.PictureComp.Properties.Resources.ErrorImg, "完全相同的图片不能重复入库!");
                                break;
                            case "216202":
                                CreateErrorForm("添加失败！", global::Lskj.PictureComp.Properties.Resources.ErrorImg, "上传的图片大小错误，请重新上传图片!");
                                break;
                        }
                    }
                    else
                    {
                        string insertField = "pic_contsign,pic_brief,pic_tag1,pic_tag2,picture";
                        string insertValues = string.Format("'{0}','{1}','{2}','{3}',@Picture", result["cont_sign"].ToString(), PageAdd_Brief.Text, PageAdd_Tag1.Text, PageAdd_Tag2.Text);
                        FileStream fs = new FileStream(FileDialog.FileName, FileMode.Open);
                        BinaryReader br = new BinaryReader(fs);
                        Byte[] byData = br.ReadBytes((int)fs.Length);
                        fs.Close();
                        SqlParameter[] cmdParams = new SqlParameter[]
                        {
                            new SqlParameter("@Picture",SqlDbType.Binary,byData.Length),
                        };
                        cmdParams[0].Value = byData;
                        SqlHelper.ExecuteNonQuery(CommandType.Text, string.Format("insert into p_PictureComptab ({0}) values ({1})", insertField, insertValues), cmdParams);

                        CreateErrorForm("添加成功!", global::Lskj.PictureComp.Properties.Resources.RightImg);
                    }
                }
            }
            catch (Exception ex)
            {
                CreateErrorForm("添加失败!", global::Lskj.PictureComp.Properties.Resources.ErrorImg);
                string Message = ErrorMessage.PromptErrorMessage(ex);
                //MessageUtil.Show(Message,ex.Message);
            }
            WaitForm.HideForm();
        }
        #endregion
        #region 添加窗口清除按钮点击事件
        /// <summary>
        /// <para>说明：添加窗口清除按钮点击事件</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void OnPageAddBtnClear_Click(object sender, EventArgs e)
        {
            try
            {
                PageAdd_picEdit.Image = null;
                PageAdd_Tag1.Text = null;
                PageAdd_Tag2.Text = null;
                PageAdd_Brief.Text = null;
            }
            catch (Exception ex)
            {
                string Message = ErrorMessage.PromptErrorMessage(ex);
                MessageUtil.Show(Message, ex.Message);
            }
        }
        #endregion
        #region 搜索窗口图片点击事件

        /// <summary>
        /// <para>说明：搜索窗口图片点击事件</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <param name="e">The <see cref="EventArgs"/> instance containing the event data.</param>
        private void OnPageSelectPicEdit_Click(object sender, EventArgs e)
        {
            panleWidth = this.panel_right.Width;//获取panel宽度
            FileDialog = new OpenFileDialog();
            FileDialog.Filter = "Picture(*.jpg,*.png,*.jpeg,*.bmp,*.gif)|*.jpg;*.png;*.jpeg;*.bmp|All files(*.*)|*.*";
            if (FileDialog.ShowDialog() == System.Windows.Forms.DialogResult.OK)
            {
                PageSelect_picEdit.Image = null;
                panel_right.Controls.Clear();
                Image image = Image.FromFile(FileDialog.FileName);
                Bitmap bitmap_File = new Bitmap(image, PageSelect_picEdit.Width, PageSelect_picEdit.Height);
                this.PageSelect_picEdit.Image = bitmap_File;
                image.Dispose();
                WaitForm.ShowForm();
                try
                {
                    byte[] image_read = File.ReadAllBytes(FileDialog.FileName);
                    Dictionary<string, object> options = new Dictionary<string, object>();
                    JObject result;
                    if (PageSelect_tag1.Text != "" && PageSelect_tag2.Text != "")
                    {
                        options.Add("tags", string.Format("{0},{1}", PageSelect_tag1.Text, PageSelect_tag2.Text));
                        options.Add("tag_logic", "0");
                        result = client.SimilarSearch(image_read, options);
                    }
                    else
                    {
                        result = client.SimilarSearch(image_read);
                    }
                    List<object> result_list = result["result"].ToList<object>();
                    if (result_list.Count > 10)
                    {
                        result_list.RemoveRange(10, result_list.Count - 10);
                    }
                    List<string> col_list = new List<string>() { "brief", "score", "cont_sign" };
                    DataTable table = new DataTable();//转换结果数据为datatable
                    table.Columns.Add("brief", typeof(string));
                    table.Columns.Add("score", typeof(double));
                    table.Columns.Add("cont_sign", typeof(string));
                    foreach (JObject resultRow in result_list)
                    {
                        DataRow row = table.NewRow();
                        row["brief"] = (string)resultRow["brief"];
                        row["score"] = (double)resultRow["score"];
                        row["cont_sign"] = (string)resultRow["cont_sign"];
                        table.Rows.Add(row);
                    }
                    string selectValue = "";
                    if (result_list.Count <= 10)
                    {
                        for (int i = 0; i < result_list.Count; i++)
                        {
                            selectValue += "'" + (result_list[i] as JObject)["cont_sign"].ToString() + "'" + ',';
                        }
                    }
                    else
                    {
                        for (int i = 0; i < 10; i++)
                        {
                            selectValue += "'" + (result_list[i] as JObject)["cont_sign"].ToString() + "'" + ',';
                        }
                    }
                    DataTable selectTable = SqlHelper.ExecuteDataTable(string.Format("select * from p_PictureComptab where pic_contsign in ({0})", selectValue.TrimEnd(',')));
                    Color checkImageColor = GetImageAverageColor(bitmap_File);//获取当前选择图片的主颜色
                    foreach (DataRow tableRow in table.Rows)
                    {
                        DataRow[] rows = selectTable.Select(string.Format("pic_contsign = '{0}'", tableRow["cont_sign"].ToString()));
                        if (rows.Length > 0)
                        {
                            MemoryStream memoryStream = new MemoryStream(rows[0]["picture"] as byte[]);
                            Image _Image = Image.FromStream(memoryStream);
                            Bitmap bitmap_read = new Bitmap(_Image);
                            Color ImageColor = GetImageAverageColor(bitmap_read);
                            double colorComp = 1 - getColorComp(checkImageColor, ImageColor) / (double)(Math.Sqrt(255 * 255 * 3)) + 0.01;
                            tableRow["score"] = (double)tableRow["score"] + colorComp;
                        }
                    }
                    DataView dv = table.DefaultView;
                    dv.Sort = "score DESC";
                    table = dv.ToTable();
                    int left = 10;
                    int top = 5;
                    int num = 1;
                    foreach (DataRow row in table.Rows)
                    {
                        DataRow[] rows = selectTable.Select(string.Format("pic_contsign = '{0}'", row["cont_sign"].ToString()));
                        if (rows.Length > 0)
                        {
                            control_ShowPic control_ShowPic = new control_ShowPic();
                            control_ShowPic.textEdit_sign.Text = row["cont_sign"].ToString();
                            control_ShowPic.textEdit_brief.Text = row["brief"].ToString();
                            control_ShowPic.textEdit_score.Text = num.ToString();//((decimal)item["score"]).ToString("0.##%");
                            control_ShowPic.textEdit_class1.Text = rows[0]["pic_tag1"].ToString();
                            control_ShowPic.textEdit_class2.Text = rows[0]["pic_tag2"].ToString();
                            control_ShowPic.picName = control_ShowPic.textEdit_brief.Text;
                            control_ShowPic.pic_show.Tag = rows[0]["picture"];
                            MemoryStream memoryStream = new MemoryStream(rows[0]["picture"] as byte[]);
                            Image _Image = Image.FromStream(memoryStream);
                            Bitmap bitmap_read = new Bitmap(_Image, control_ShowPic.pic_show.Width, control_ShowPic.pic_show.Height);
                            control_ShowPic.picShowClickEventHandler picShowClickEvent = null;
                            picShowClickEvent += new control_ShowPic.picShowClickEventHandler(createPictureForm);
                            control_ShowPic.SetClickEvent(picShowClickEvent);
                            _Image.Dispose();
                            control_ShowPic.pic_show.Image = bitmap_read;
                            if (left + control_ShowPic.Width > panleWidth)
                            {
                                top += control_ShowPic.Height;
                                left = 10;
                            }
                            if (left == 10)
                            {
                                control_ShowPic.Left = left;
                                control_ShowPic.Top = top;
                                panel_right.Controls.Add(control_ShowPic);
                                left += control_ShowPic.Width + 10;
                            }
                            else
                            {
                                control_ShowPic.Top = top;
                                control_ShowPic.Left = left;
                                panel_right.Controls.Add(control_ShowPic);
                                left += control_ShowPic.Width + 10;
                            }
                            num++;
                        }
                    }
                }
                catch (Exception ex)
                {
                    CreateErrorForm("搜索失败!", global::Lskj.PictureComp.Properties.Resources.ErrorImg);
                    string Message = ErrorMessage.PromptErrorMessage(ex);
                    //MessageUtil.Show(Message,ex.Message);
                }
                finally
                {
                    WaitForm.HideForm();
                }
            }
        }
        #endregion\
        #endregion
        #region 方法
        #region 判断数据库中是否存在表

        /// <summary>
        /// <para>说明：判断数据库中是否存在默认消息记录表</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>DataTable.</returns>
        public static void CreationPictureTable()
        {
            string sqlValue = string.Format(@"Create Table p_PictureComptab    -- 图片筛选表
           (
            pic_contsign varchar(50) NOT NULL primary key,
            pic_brief varchar(50) NOT NULL,
            pic_tag1 int NULL,
            pic_tag2 int NULL,
            picture image NULL,
           )");
            SqlHelper.ExecuteNonQuery(sqlValue);
        }
        #endregion
        #region 添加文本框填写规则
        /// <summary>
        /// 添加文本框填写规则
        /// </summary>
        /// <param name="validationProvider"></param>
        /// <param name="param"></param>
        public static void SetRequired(DXValidationProvider validationProvider, params BaseEdit[] param)
        {
            //实例化一个必填规则，错误提示为：该字段不能为空
            ConditionValidationRule required = new ConditionValidationRule("RequiredRule", ConditionOperator.IsNotBlank) { ErrorText = "该字段不能为空" };
            for (int i = 0; i < param.Length; i++)
            {
                //给控件对象设置规则
                validationProvider.SetValidationRule(param[i], required);
                //设置文本显示位置
                validationProvider.SetIconAlignment(param[i], ErrorIconAlignment.MiddleRight);
            }
        }

        #endregion
        #region 右侧panel创建正确或错误时的控件
        public void CreateErrorForm(string text, Image image, string errorText = "")
        {
            panel_right.Controls.Clear();
            ErrorForm errorForm = new ErrorForm();
            errorForm.buttonError.BackgroundImage = image;
            //global::Lskj.PictureComp.Properties.Resources.ErrorImg;
            errorForm.errorLable.Text = text;
            panel_right.Controls.Add(errorForm);
            errorForm.Location = new Point((panel_right.Width - errorForm.Width) / 2, (panel_right.Height - errorForm.Height) / 2);
            Label label = new Label();
            label.Text = errorText;
            label.Font = errorForm.errorLable.Font;
            label.TextAlign = ContentAlignment.MiddleCenter;
            label.AutoSize = true;
            panel_right.Controls.Add(label);
            label.Location = new Point((panel_right.Width - label.Width) / 2, (panel_right.Height - errorForm.Height) / 2 + errorForm.Height);
        }
        #endregion
        #region 图片点击放大方法
        /// <summary>
        /// <para>说明：图片点击放大方法</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>DataTable.</returns>
        public void createPictureForm(string name, byte[] Byte)
        {
            Form Form = new Form();
            Form.Text = name;
            Form.Width = 600;
            Form.Height = 600;
            //Form.FormBorderStyle = FormBorderStyle.None;
            Form.StartPosition = FormStartPosition.CenterScreen;
            DevExpress.XtraEditors.PictureEdit picEdit = new DevExpress.XtraEditors.PictureEdit();
            picEdit.Dock = DockStyle.Fill;
            MemoryStream memoryStream = new MemoryStream(Byte);
            Image _Image = Image.FromStream(memoryStream);
            Bitmap bitmap_read = new Bitmap(_Image, Form.Width, Form.Height);
            _Image.Dispose();
            picEdit.Image = bitmap_read;
            Form.Controls.Add(picEdit);
            Form.ShowDialog();
            //picEdit.Click += OnPicEditClick;
        }
        #endregion
        #region 获取图片主颜色
        /// <summary>
        /// <para>说明：获取图片主颜色</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        /// </summary>
        /// <returns>DataTable.</returns>
        public static unsafe Color GetImageAverageColor(Bitmap bitmap)
        {
            if (bitmap == null)
            {
                throw new ArgumentNullException("bitmap");
            }

            int width = bitmap.Width;
            int height = bitmap.Height;
            Rectangle rect = new Rectangle(0, 0, width, height);

            try
            {
                BitmapData bitmapData = bitmap.LockBits(
                    rect, ImageLockMode.ReadOnly, PixelFormat.Format32bppArgb);
                byte* scan0 = (byte*)bitmapData.Scan0;
                int strideOffset = bitmapData.Stride - bitmapData.Width * 4;

                int sum = width * height;

                int a = 0;
                int r = 0;
                int g = 0;
                int b = 0;

                for (int i = 0; i < height; i++)
                {
                    for (int j = 0; j < width; j++)
                    {
                        b += *scan0++;
                        g += *scan0++;
                        r += *scan0++;
                        a += *scan0++;
                    }
                    scan0 += strideOffset;
                }

                bitmap.UnlockBits(bitmapData);

                a /= sum;
                r /= sum;
                g /= sum;
                b /= sum;

                return Color.FromArgb(255, r, g, b);
            }
            catch
            {
                return Color.FromArgb(127, 127, 127);
            }
        }
        #endregion
        #region 获取两张图片主颜色相似度
        /// <summary>
        /// <para>说明：获取两张图片主颜色相似度</para>
        /// <para>创建人：唐德馨</para>
        /// <para>创建日期：2021-07-19 </para>
        /// <para>修改人：</para>
        /// <para>修改日期：</para>
        /// <para>修改备注：</para>
        /// <para>版本：1.0</para>
        public double getColorComp(Color a, Color b)
        {
            double result = Math.Sqrt((a.R - b.R) * (a.R - b.R) + (a.G - b.G) * (a.G - b.G) + (a.B - b.B) * (a.B - b.B));
            return result;
        }
        #endregion
        #endregion

    }
}