using System;
using System.Collections.Generic;
using System.Drawing;
using PrintLabel;
using ZXing.PDF417.Internal;

namespace Model
{
    /// <summary>
    /// 打印的标签
    /// </summary>
    internal class ClsLabel
    {
        /// <summary>
        /// 文件路径
        /// </summary>
        public string Path { set; get; }
        /// <summary>
        /// 标签名称
        /// </summary>
        public string Name { set; get; }
        /// <summary>
        /// 标签大小，毫米单位
        /// </summary>
        public SizeF Size_mm { private set; get; }
        /// <summary>
        /// 标签大小，像素单位
        /// </summary>
        public SizeF Size_px { private set; get; }
        /// <summary>
        /// 打印偏移量
        /// </summary>
        public Point Offset { get; set; }
        /// <summary>
        /// 包含的字段
        /// </summary>
        public List<ClsLabelField> Field { set; get; }


        /// <summary>
        /// 打印的标签
        /// </summary>
        public ClsLabel()
        {
            Field = new List<ClsLabelField>();
        }

        /// <summary>
        /// 设置大小
        /// </summary>
        /// <param name="s">大小的宽度高度</param>
        public void SetSize(string s)
        {
            string[] tt = s.Split(',');
            if (tt.Length != 2) return;

            bool rtn = float.TryParse(tt[0], out float width);
            if (!rtn) return;
            rtn = float.TryParse(tt[1], out float height);
            if (!rtn) return;

            Size_mm = new SizeF(width, height);
            Size_px = new SizeF(Common.MMToPx(width), Common.MMToPx(height));

        }

        /// <summary>
        /// 获取大小（毫米）
        /// </summary>
        /// <returns></returns>
        public string GetSize()
        {
            return string.Format("{0:0.000},{1:0.000}", Size_mm.Width, Size_mm.Height);
        }

        /// <summary>
        /// 设置大小
        /// </summary>
        /// <param name="width"></param>
        /// <param name="height"></param>
        public void SetSize(float width, float height)
        {
            Size_mm = new SizeF(width, height);
            Size_px = new SizeF(Common.MMToPx(width), Common.MMToPx(height));
        }

        /// <summary>
        /// 设置打印偏移量
        /// </summary>
        /// <param name="s">偏移量的xy</param>
        public void SetOffset(string s)
        {
            string[] tt = s.Split(',');
            if (tt.Length != 2) return;

            bool rtn = int.TryParse(tt[0], out int x);
            if (!rtn) return;
            rtn = int.TryParse(tt[1], out int y);
            if (!rtn) return;

            Offset = new Point(x, y);

        }

        /// <summary>
        /// 获取打印偏移
        /// </summary>
        /// <returns></returns>
        public string GetOffset()
        {
            return string.Format("{0},{1}", Offset.X, Offset.Y);
        }
    }

    /// <summary>
    /// 打印标签字段
    /// </summary>
    internal class ClsLabelField
    {
        /// <summary>
        /// 左上角坐标，像素单位
        /// </summary>
        public PointF Location_px { set; get; }
        /// <summary>
        /// 左上角坐标，毫米单位
        /// </summary>
        public PointF Location_mm { set; get; }
        /// <summary>
        /// 大小，像素单位
        /// </summary>
        public SizeF Size_px { set; get; }
        /// <summary>
        /// 大小，毫米单位
        /// </summary>
        public SizeF Size_mm { set; get; }
        /// <summary>
        /// 字体
        /// </summary>
        public Font Font { set; get; }
        /// <summary>
        /// 打印的文本内容
        /// </summary>
        public string PrintText { set; get; }
        /// <summary>
        /// 用于格式化的文本
        /// </summary>
        public string FormatText { set; get; }
        /// <summary>
        /// 字段类型
        /// </summary>
        public LabelFieldType Type { set; get; }
        /// <summary>
        /// 条码或二维码的图片
        /// </summary>
        public Bitmap Image { set; get; }



        /// <summary>
        /// 打印标签字段
        /// </summary>
        public ClsLabelField()
        {
            Font = new Font("宋体", 9f);
            Type = LabelFieldType.Text;
            Image = null;
        }



        /// <summary>
        /// 设置位置和大小（毫米）
        /// </summary>
        /// <param name="rect">毫米尺寸文本</param>
        public void SetLocationSize(string rect)
        {
            string[] tt = rect.Split(',');
            if (tt.Length != 4) return;

            bool rtn = float.TryParse(tt[0], out float x);
            if (!rtn) return;
            rtn = float.TryParse(tt[1], out float y);
            if (!rtn) return;
            rtn = float.TryParse(tt[2], out float width);
            if (!rtn) return;
            rtn = float.TryParse(tt[3], out float height);
            if (!rtn) return;

            Location_mm = new PointF(x, y);
            Location_px = new PointF(Common.MMToPx(x), Common.MMToPx(y));
            Size_mm = new SizeF(width, height);
            Size_px = new SizeF(Common.MMToPx(width), Common.MMToPx(height));

        }

        /// <summary>
        /// 设置位置和大小（像素）
        /// </summary>
        /// <param name="rect">像素位置大小</param>
        public void SetLocationSize(RectangleF rect)
        {
            Location_px = new PointF(rect.X, rect.Y);
            Location_mm = new PointF(Common.PxToMM(rect.X), Common.PxToMM(rect.Y));
            Size_px = new SizeF(rect.Width, rect.Height);
            Size_mm = new SizeF(Common.PxToMM(rect.Width), Common.PxToMM(rect.Height));
        }

        /// <summary>
        /// 设置位置和大小（毫米）
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        /// <param name="w"></param>
        /// <param name="h"></param>
        public void SetLocationSize(float x, float y, float w, float h)
        {
            Location_mm = new PointF(x, y);
            Location_px = new PointF(Common.MMToPx(x), Common.MMToPx(y));
            Size_mm = new SizeF(w, h);
            Size_px = new SizeF(Common.MMToPx(w), Common.MMToPx(h));
        }

        /// <summary>
        /// 设置字体
        /// </summary>
        /// <param name="s">格式：字体,字号,粗体,斜体</param>
        /// <returns></returns>
        public void SetFont(string s)
        {
            string[] t = s.Split(',');
            float emSize = Convert.ToSingle(t[1]);
            FontStyle style = FontStyle.Regular;
            if (t[2] == "B") style |= FontStyle.Bold;
            if (t[3] == "I") style |= FontStyle.Italic;
            Font = new Font(t[0], emSize, style);
        }

        public string GetFont()
        {
            string[] s = new string[4];
            s[0] = Font.Name;
            s[1] = Font.Size.ToString();
            if (Font.Bold) s[2] = "B";
            if (Font.Italic) s[3] = "I";
            return string.Join(",", s);
        }

        public RectangleF GetRectangleF()
        {
            return new RectangleF(Location_px, Size_px);
        }

        public string GetRectText()
        {
            return string.Format("{0},{1},{2},{3}", Location_mm.X, Location_mm.Y, Size_mm.Width, Size_mm.Height);
        }

        /// <summary>
        /// 设置条码或二维码图片
        /// </summary>
        /// <param name="content">内容</param>
        public void SetBarQRCode(string content)
        {
            try
            {
                Image = null;
                if (Type == LabelFieldType.Text) return;

                ZXing.BarcodeWriter writer = new ZXing.BarcodeWriter();
                ZXing.QrCode.QrCodeEncodingOptions qrCodeEncodingOptions = new ZXing.QrCode.QrCodeEncodingOptions()
                {
                    DisableECI = true,
                    CharacterSet = "UTF-8",
                    Width = 300,
                    Height = 300,
                    Margin = 1,
                    PureBarcode = true
                };
                ZXing.PDF417.PDF417EncodingOptions pDF417EncodingOptions = new ZXing.PDF417.PDF417EncodingOptions()
                {
                    AspectRatio = PDF417AspectRatio.AUTO,
                    Compact = false,
                    Compaction = Compaction.AUTO,
                    DisableECI = true,
                    ErrorCorrection = PDF417ErrorCorrectionLevel.AUTO,
                    PureBarcode = false,
                    GS1Format = false,
                    Width = 100,
                    CharacterSet = "UTF-8",
                    //Height = 70,
                    Margin = 1
                };
                writer.Options.PureBarcode = true;
                switch (Type)
                {
                    case LabelFieldType.Code39:
                        writer.Format = ZXing.BarcodeFormat.CODE_39;
                        Image = writer.Write(content);
                        break;
                    case LabelFieldType.Code93:
                        writer.Format = ZXing.BarcodeFormat.CODE_93;
                        Image = writer.Write(content);
                        break;
                    case LabelFieldType.Code128:
                        writer.Format = ZXing.BarcodeFormat.CODE_128;                        
                        Image = writer.Write(content);
                        break;
                    case LabelFieldType.DataMatrix:
                        writer.Format = ZXing.BarcodeFormat.DATA_MATRIX;
                        Image = writer.Write(content);
                        break;
                    case LabelFieldType.QRCode:
                        writer.Options = qrCodeEncodingOptions;
                        writer.Format = ZXing.BarcodeFormat.QR_CODE;
                        Image = writer.Write(content);
                        break;
                    case LabelFieldType.PDF417:
                        writer.Options = pDF417EncodingOptions;
                        writer.Format = ZXing.BarcodeFormat.PDF_417;
                        Image = writer.Write(content);
                        break;
                }

            }
            catch (Exception ex)
            {

            }
        }

        /// <summary>
        /// 设置条码或二维码图片
        /// </summary>
        public void SetBarQRCode()
        {
            SetBarQRCode(FormatText);
        }

        /// <summary>
        /// 坐标是否包含在范围内
        /// </summary>
        /// <param name="x"></param>
        /// <param name="y"></param>
        public bool Contains(float x, float y)
        {
            if (x >= Location_px.X && x <= Location_px.X + Size_px.Width &&
               y >= Location_px.Y && y <= Location_px.Y + Size_px.Height)
            {
                return true;
            }
            else
            {
                return false;
            }
        }
    }

    /// <summary>
    /// 打印标签字段类型
    /// </summary>
    internal enum LabelFieldType
    {
        /// <summary>
        /// 39一维码
        /// </summary>
        Code39,
        /// <summary>
        /// 93一维码
        /// </summary>
        Code93,
        /// <summary>
        /// 128一维码
        /// </summary>
        Code128,
        /// <summary>
        /// DM二维码
        /// </summary>
        DataMatrix,
        /// <summary>
        /// QR二维码
        /// </summary>
        QRCode,
        /// <summary>
        /// 文本
        /// </summary>
        Text,
        /// <summary>
        /// PDF417
        /// </summary>
        PDF417

    }

    internal enum FieldMargin
    {
        /// <summary>
        /// 外面
        /// </summary>
        Outside,
        /// <summary>
        /// 左边
        /// </summary>
        Left,
        /// <summary>
        /// 上边
        /// </summary>
        Top,
        /// <summary>
        /// 右边
        /// </summary>
        Right,
        /// <summary>
        /// 下边
        /// </summary>
        Bottom,
        /// <summary>
        /// 左上角
        /// </summary>
        LeftTop,
        /// <summary>
        /// 右上角
        /// </summary>
        RightTop,
        /// <summary>
        /// 左下角
        /// </summary>
        LeftBottom,
        /// <summary>
        /// 右下角
        /// </summary>
        RightBottom,
        /// <summary>
        /// 内部
        /// </summary>
        Inside
    }
}